7
4. Specifications
Analoginputs 8unipolaror
3 differential + 2 unipolar or
combinations
Input range 8 ranges for unipolar setup
0...2,5V down to 0...20mV
8 ranges for bipolar setup
-2,5V...+2,5V down to –20mV...+20mV
AIN7 and AIN8 accept +3 Volt
Maximum input voltage +15V on digital inputs
+5V on analog inputs (referred to GND)
Resolution 12 bits unipolar (only 0...2,5V
and0…3Vrange)
24bitsdifferentialunipolar/bipolar
Outputresolution 1uV
Inputoffset 10uVmax
Accuracy (for 24 bits resolution) 0,05%
Digitalinputs 4
Logicallevel 3VCMOS
Max. input frequency 1090Hz
Power supply 4VDC ... 20VDC (ZnMn, alkaline, NiCd, NiMH,
lithium, Pb, solar panel, wall adapter)
Maximum power supply voltage +24V
Back up battery CR2032
Power consumption 5mA max during measuring.
(without SD memory card, LED off) 1,7mA typical during measuring
7mA with RS485 option
20uAmaxinsleepmode(RTC
active)
Internal memory 128kB for data
Memorycard: SDcard
Communication RS232 or RS485
Communication speed 300bps ... 115200bps, 8N1
Nr. of controlled outputs 3 opto relay, polarized
Output levels switched battery, switched Vref
RTC withlithiumbattery
RTCaccuracy 50ppm
Dimensions 115mm x 90mm x 50mm
Temperature range -40 ... +60oC
Protection IP65
Mountingplate For45mmdiameterpole
Cableglands 4xPG7