AMR

ALMEMO® General Technical Specifications

Common Specifications For All AMR Dataloggers

Inputs:

Channel switching between input sockets:	4-contact with photo-MOS relay
Potential separation:	Maximum 50 V (for measuring modules with higher potential separation)
Offset voltage:	<5 μV
Measuring rate:	2.5 or 10 measuring operations per second
Cold junction compensation:	Effective in range -30 to +100 °C Accuracy ±0.2 K ±0.01 K / °C
Nominal temperature:	22°C ±2 K
Sensor power supply:	7.2 to 12 V unregulated, depending on power supply, maximum 70 mA/device
Self-calibration:	Automatic zero-point correction, measuring current calibration
Check functions:	Automatic sensor and sensor breakage detection

A/D converter:

	Multi-slope, integrating Delta-sigma	16-bit resolution 16-bit resolution (2390-x und 8390-x)
Common-mode input range:	-4...+4 V overload ± 5V	-2.0...+5 V overload -2 ...+5V
Input current:	< 50 nA	< 20 nA
Measuring current:	Pt 100: appr. 1 mA	Pt 100: 1000 <0.5 mA
	Pt 1000: appr. 0.1 mA
System accuracy:	±0.03% of measured value ±2 digits (at 2.5 measuring operations per second)
	Temperature drift: 0.005 % / K

Delta-sigma 24-bit resolution (2690-8, 2890-9, 5990-2) and special variant with 50 measuring operations per second SA0000Q2 (from 08/2003)

Measuring rate:	2.5 / 10 / 50 measuring operations per second
Common-mode input range:	-3 to +3 V in DC range (2.6 V)
	-2.0 to +1.7 V in all other measuring ranges
Overload maximum:	±12 V
Measuring current:	Pt100 approx. 1 mA
	Pt1000 approx. 0.1 mA
Input current:	500 nA in DC range (2.6 V)
	500 pA in all other measuring ranges
Functional restrictions at:	analog output, connector scanning, sensor breakage detection
50 meas. op. per second:	alarm value printout, mains hum suppression
System accuracy:	0.02% ±1 digit at 2.5 und 10 measuring operations per second
	0.05% ±3 digit at 50 measuring operations per second
Temperature drift:	0.003 % / K

Outputs:

ALMEMO® socket A1	Digital interface	Baud rates: 150, 300, 600, 1200, 2400, 4800, 9600, 57.6K, 115.2K
		Data: 8 bit serial, 1 start bit, 1 stop bit, no parity
		RS232 with data cable ZA1909DK5
		USB with adapter cable ZB1909USB
		Wireless with Bluetooth modules ZA1709BT2DKU
		RS422 with branch box ZA5099NVL
		Ethernet with data cable ZA1945DK
	Analog output	-1.25 to +2.0 V with recording cable ZA1601RK
ALMEMO® socket A2	Networking	Current loop with network cable ZA1999NK5
		Wireless with Bluetooth modules ZA1709BT2NK
	Data storage	ALMEMO® storage connector 128/256kB ZA 1904-SS
		ALMEMO® memory connector for multi-media card ZA1904MMC
	Analog output	-1.25 to +2.0 V, not electr. isol., with recording cable ZA1601RK
		-6 to +10 V, 0/4 to 20 mA, electr. isol., with adapter ZA8000RTA
	Trigger input	With trigger cable ZA1000-ET/EK/EAK, ZA8000RTA
	Relay output	With relay cable ZA1000-EGK/EAK, ZA8000RTA

Measuring instrument:

Interface to all ALMEMO® connectors/modules:	I2C bus
Operating temperature:	-10 to +60°C
Storage temperature:	-30 to +60°C
Humidity range:	10 to 90% (non-condensing)
Electromagnetic compatibility:	IEC 61 326, IEC 61 000-6-1, IEC 61 000-6-3, IEC 61 000-4-2, IEC 61 000-4-3, IEC 61 000-4-4

For assistance call 978-568-3400

pumps | valves | instrumentation | new products | contact clark | site/product directory | enewsletter | home