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Conversion
method
Sigma Delta conversion,
"Integration time" 20ms ±2uS
Sampling interval
Programmable - min 1s to 23.59.59
Same interval on all channels
Note all channels whithin the same second
Inputs
8 true differential inputs
Impedance: >400kOhm between + and -
: > 5MOhm to ref. ground
Over voltage protection : 30V
Max current : 80mA
Input ranges
±10V, ±1000mV, ±100mV, ±50mV
±20mA
Thermocouple 50mV, 100mV
(Types B, E, J, K, R, S, T, N)
Resolution
16 Bits (±25 000 divisions)
Accuracy (at 25°C)
10V - ±100ppm + 2 divisions
1000mV - ±200ppm + 2 divisions
100mV - ±300ppm + 2 divisions
50mV - ±400ppm + 2 divisions
20mA - ±300ppm + 2 divisions
"Cold Junction" 0.5°C
Temperature coefficient
Ambient temperature variations affect
readings by max 50ppm/°C
Noise
Max ±1 division
Common mode
Common mode range 10V: >±5V
Common mode range: >±10V
CMRR (dc): min 80dB
Constant Current Output
1 constant current output 0.500mA into
loads of maximum of 5kOhm
Accuracy 0.2% at 25°C
Tempco: max 50ppm/°C
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