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Clark Solutions
100 Series, Pressure, Vacuum, Diff. Pressure & Temp. Switches
Adjustable Ranges 30” Vac to 5000 PSI, -180 to 650°F
(Page 2 of 4)
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PRESSURE MODEL H100
| Range/Material Code |
Adjustable Set Point Range |
Deadband |
*Over Range Pressure |
**Proof Pressure |
| psi |
bar |
psi |
bar |
psi |
bar |
psi |
bar |
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1.5" sanitary welded 316L stainless steel diaphragm and pressure connection. Mates with Tri-Clamp fitting systems
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565
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5 to 30
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0.3 to 2.1
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1 to 5
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0.07 to 0.3
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1000
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68.9
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1500
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103.4
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566
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10 to 100
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0.7 to 6.9
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1 to 12
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0.07 to 0.8
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1000
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68.9
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1500
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103.4
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567
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15 to 300
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1.0 to 20.7
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3 to 22
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0.21 to 1.5
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1000
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68.9
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1500
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103.4
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Buna-N diaphragm and O-Ring with 1/4" NPT (female) nickel-plated brass pressure connection; Option M540 Viton® diaphragm & O-Ring available for code 704-705
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701
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1.5 to 30
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0.1 to 2
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1 to 2
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0.07 to 0.14
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500
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34.5
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600
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41.4
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702
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3 to 100
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0.2 to 6.9
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1 to 4
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0.07 to 0.28
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500
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34.5
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600
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41.4
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703
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9 to 300
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0.7 to 20.7
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1 to 5
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0.07 to 0.34
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500
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34.5
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600
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41.4
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704
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15 to 500
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1.0 to 34.5
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2 to 8
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0.14 to 0.55
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1500
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103.4
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2500
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172.4
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705
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30 to 1000
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2.1 to 69
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3 to 20
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0.21 to 1.38
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1500
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103.4
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2500
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172.4
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706
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100 to 1700
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6.9 to 117
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10 to 30
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0.07 to 2.07
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2000
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137.9
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2500
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172.4
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316L stainless steel diaphragm (optional Hastelloy®C, Monel® or Tantalum); Viton® GLT O-Ring (optional Kalrez®, Silicone, Ethylene Propylene, or Aflas®); 316 stainless steel 1/2" NPT (female) pressure connection (optional Hastelloy®B or C, or Monel®), large 0.72" orifice for clean-out purposes. Models 188 & 189 have a 316L stainless steel 1/2" NPT (female) pressure connection
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183
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1 to 20
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0.07 to 1.4
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0.3 to 2.5
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0.021 to 0.17
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500
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34.5
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1000
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68.9
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184
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2 to 50
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0.14 to 3.4
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0.3 to 3
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0.021 to 0.2
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500
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34.5
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1000
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68.9
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185
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4 to 100
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0.3 to 6.9
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0.5 to 6
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0.03 to 0.4
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500
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34.5
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1000
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68.9
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186
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8 to 200
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0.6 to 13.8
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1 to 11
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0.07 to 0.8
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500
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34.5
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1000
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68.9
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188
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50 to 1000
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3.45 to 68.9
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25 to 125
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1.7 to 8.6
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2000
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137.9
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7000
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482.6
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189
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250 to 3500
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17.3 to 241.3
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50 to 300
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3.4 to 20.7
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4000
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275.8
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7000
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482.6
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Range/
Material Code |
Adjustable Set Point Range |
Deadband |
*Over Range Pressure |
**Proof Pressure |
| Lower 75% range |
Top 25% Range |
| psi |
bar |
psi |
bar |
psi |
bar |
psi |
bar |
psi |
bar |
| Welded stainless steel diaphragm with 1/2" NPT (female) pressure connections, large 0.072" orifice for clean-out purposes |
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190
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5 to 30
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0.3 to 2.1
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1 to 3
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0.07 to 0.2
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6 max
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0.4
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1500
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103.4
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2500
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172.4
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191
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10 to 100
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0.7 to 6.9
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1 to 8
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0.07 to 0.6
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15 max
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1.0
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1500
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103.4
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2500
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172.4
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192
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15 to 300
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1 to 20.7
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3 to 18
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0.2 to 1.2
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25 max
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1.7
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1500
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103.4
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2500
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172.4
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193
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20 to 500
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1.4 to 34.5
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4 to 30
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0.3 to 2.1
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45 max
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3.1
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1500
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103.4
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2500
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172.4
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194
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80 to 1700
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5.5 to 117.2
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5 to 120
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0.3 to 8.3
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150 max
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10.3
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2000
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137.9
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2500
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172.4
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Welded 316 stainless steel diaphragm with 1/2" NPT (female) pressure connection, 0.06" orifice to dampen pulsations
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490
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5 to 30
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0.3 to 2.1
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1 to 3
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0.07 to 0.2
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6 max
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0.4
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1500
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103.4
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2500
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172.4
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491
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10 to 100
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0.7 to 6.9
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1 to 8
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0.07 to 0.6
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15 max
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1.0
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1500
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103.4
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2500
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172.4
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492
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15 to 300
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1 to 20.7
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3 to 18
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0.2 to 1.2
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25 max
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1.7
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1500
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103.4
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2500
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172.4
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493
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20 to 500
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1.4 to 34.5
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4 to 30
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0.3 to 2.1
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45 max
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3.1
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1500
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103.4
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2500
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172.4
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494
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80 to 1700
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5.5 to 117.2
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5 to 120
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0.3 to 8.3
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150 max
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10.3
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2000
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137.9
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2500
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172.4
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Range/Material Code
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Adjustable Set Point Range
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Deadband
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*Over Range Pressure
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**Proof Pressure
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psi
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bar
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psi
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bar
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psi
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bar
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psi
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bar
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316L stainless steel diaphragm (optional Hastelloy®C, Monel® or Tantalum) Viton® GLT O-Ring (optional Kalrez®, Silicone, ethylene propylene or Aflas®), 316 stainless steel 1/2" NPT (female) pressure connection (optional Hastelloy® B, or C, or Monel®), 0.06" orifice. Models 488 & 489, 316L pressure connection.
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483
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1 to 20
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0.07 to 1.4
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0.3 to 2.5
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0.02 to 0.17
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500
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34.5
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1000
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68.9
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484
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2 to 50
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0.14 to 3.4
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0.3 to 3
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0.02 to 0.2
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500
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34.5
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1000
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68.9
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485
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4 to 100
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0.3 to 6.9
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0.5 to 6
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0.03 to 0.4
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500
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34.5
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1000
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68.9
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486
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8 to 200
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0.6 to 13.8
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1 to 11
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0.07 to 0.8
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500
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34.5
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1000
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68.9
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488
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50 to 1000
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3.4 to 68.9
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25 to 125
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1.7 to 8.6
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2000
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137.9
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7000
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482.6
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489
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250 to 3500
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17.2 to 241.3
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50 to 300
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3.4 to 20.7
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4000
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275.8
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7000
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482.6
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Phosphor bronze bellows with 1/4" NPT (female) nickel-plated brass pressure connection. Model 218 has 300 series stainless steel spring in media
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218
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30" Hg Vac to 0
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-1 to 0
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1 to 2" Hg
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0.03 to 0.07
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0
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0
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30
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2.07
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270
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4 to 200
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0.3 to 13.8
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1 to 8
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0.07 to 0.6
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200
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13.8
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250
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17.2
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274
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6 to 600
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0.4 to 20.7
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1 to 10
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0.07 to 0.7
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300
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20.7
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350
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24.1
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Welded 316L stainless steel bellows with 1/4" NPT (female) pressure connections
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358
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15 to 200
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1 to 13.8
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1 to 3
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0.07 to 0.2
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200
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13.8
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800
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55.2
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361
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20 to 300
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1.38 to 20.7
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1 to 4
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0.07 to 0.3
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300
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20.7
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800
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55.2
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376
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25 to 500
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1.8 to 34.5
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1.5 to 5
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0.10 to 0.3
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500
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34.5
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800
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55.2
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303 stainless steel piston, Buna-N O-Ring with 1/4" NPT (female) 303 stainless steel pressure connection (not recommended for gas service since drying of O-Ring seal can allow bleeding of medium into the atmosphere)
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610
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75 to 1000
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5.2 to 68.9
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30 to 150
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2.07 to 10.3
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6000
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413.7
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10,000
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689.5
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612
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125 to 3000
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8.6 to 206
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40 to 250
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2.76 to 17.2
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6000
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413.7
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10,000
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689.5
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616
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700 to 5000
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48.5 to 344
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40 to 375
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2.76 to 25.9
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6000
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413.7
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10,000
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689.5
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316 stainless steel bellows with 1/4" NPT (female) pressure connection (not recommended for gas applications or for rapid or high cycling pressure changes)
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680
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100 to 1700
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6.9 to 117.2
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9 to 40
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0.6 to 2.8
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1700
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117.2
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2500
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172.4
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DIFFERENTIAL PRESSURE MODEL H100K
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Range/Material Code
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Adjustable Set Point Range
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Deadband
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***Working Pressure
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**Proof Pressure
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"wcd/psid
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mbar/bar
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psi
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mbar/bar
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psi
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bar
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psi
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bar
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Kapton® diaphragm, Buna-N sealing diaphragms and epoxy coated aluminum 1/8" NPT (female) pressure connections
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540
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0.2 to 7"wcd
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0.5 to 17.4 mbar
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0.05 to 0.6"wc
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0.1 to 1.5 bar
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200
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13.8
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400
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27.6
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541
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1 to 20"wcd
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2.5 to 49.7 mbar
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0.1 to 1.0"wc
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0.2 to 2.5 bar
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200
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13.8
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400
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27.6
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542
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5 to 50"wcd
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12.4 to 124.4 mbar
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0.2 to 2.5"wc
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0.5 to 6.2 bar
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200
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13.8
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400
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27.6
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543
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10 to 200"wcd
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24.9 to 497.0 mbar
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0.5 to 8"wc
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1.2 to 19.9 bar
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200
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13.8
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400
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27.6
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544
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2 to 20 psid
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0.1 to 1.4 bar
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0.1 to 1.3 psi
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6.9 to 89.6 bar
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1200
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82.7
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2500
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172.4
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545
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5 to 50 psid
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0.3 to 3.4 bar
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0.2 to 2.2 psi
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0 to 0.15 bar
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1200
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82.7
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2500
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172.4
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546
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10 to 125 psid
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0.7 to 8.6 bar
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0.4 to 5.0 psi
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0 to 0.34 bar
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1200
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82.7
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2500
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172.4
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547
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50 to 250 psid
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3.4 to 17.2 bar
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0.8 to 10 psi
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0.1 to 0.69 bar
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1200
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82.7
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2500
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172.4
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548
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100 to 500 psid
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6.9 to 34.5 bar
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2.0 to 15 psi
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0.1 to 1.03 bar
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1200
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82.7
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2500
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172.4
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Application Notes: The use of metallic diaphragms where higher pressure shock or heavy cycling is expected should be avoided. Models 171-174 should not be used where system or start-up vacuum pressure might exceed 26” Hg Vac (-0.9 bar). Use of optional diaphragm materials for models 483-489 may increase deadband.
Deadband Note: Models 190-194, 490-494 are expressed as the lower 75% and top 25% of the range span because of the operating characteristics of the diaphragm sensor and switch.
*Over Range Pressure: The maximum pressure that may be applied continuously without causing damage and maintaining set point repeatability.
**Proof Pressure: The maximum pressure to which a pressure sensor may be occasionally subjected, which causes no permanent damage.The unit may require calibration (e.g.,start-up,testing).
***Working Pressure Range: The pressure range within which two opposing sensors can be safely operated and still maintain set point adjustability provided the difference in pressure between them does not exceed the designated adjustable range
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For assistance call 978-568-3400
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