DI-245 Hardware Manual
Specifications
3
2. Specifications
Analog Inputs
Number of Channels:
4
Channel Configuration:
Differential, Isolated
Programmable measurements per channel:
Voltage, Thermocouple
Programmable thermocouple types and measure-
ment range per channel:
Over 25 ±3 °C ambient temperature range.
Stable ambient temperature.
Following 30 minutes warm-up.
Excluding common mode error.
Excluding thermocouple error.
TC Type
Temperature Measure-
ment range (°C)
Accuracy (°C)
J
-190 to 1200
±(0.1% of span + 2)
K
-180 to 1360
T
-190 to 400
±(0.1% of span + 1)
B
600 to 1000
±(0.2% of span + 4)
1001 to 1810
±(0.1% of span + 3)
R
-40 to 300
±(0.2% of span + 6)
301 to 1760
±(0.1% of span + 3)
S
-40 to 400
±(0.2% of span + 6)
401 to 1750
±(0.1% of span + 3)
E
-160 to 990
±(0.1% of span + 1)
N
-170 to 50
±(0.1% of span + 3)
51 to 1290
±(0.1% of span + 1)
Programmable voltage measurements ranges per
channel:
At 25 °C ambient temperature.
Following 30 minutes warm-up.
Excluding common mode error.
Range (±)
Accuracy
10 mV
±(0.05% of range + 10 µV)
25 mV
50 mV
100 mV
250 mV
500 mV
1 V
2.5 V
5 V
10 V
25 V
50 V
Input impedance:
1 M
all ranges
Isolation:
Input-to-output, Channel-to-channel
