Hitachi MICRO-EHV+ OBV-AIG Quick Start Manual page 7

 Analog input specifications (OBV-AIG / AIOG)
Item
Model name
Number of channel
Voltage input
Input range
Current input
Voltage input
Resolution
Current input
Accuracy *1
Temperature coefficient
Conversion time
Input Voltage input
impedance
Current input
Cable
Channel - internal circuit
Isolation
Between channels
*1 e.g. Accuracy at 35 C in voltage input of OBV-AIOG without noise is calculated as follows.
Accuracy: (0.4 %＋0.01 %  10 [Difference form 25 C] )  10 V [Full scale] = ±0.05 V
 Analog output specifications (OBV-AIOG)
Item
Number of channel
Output range
Resolution
Accuracy *1
Temperature coefficient
Conversion time
Output load
impedance
Cable
Channel - internal circuit
Isolation
Between channels
*1 e.g. Accuracy at 45 C in voltage output of OBV-AIOG without noise is calculated as follows.
Accuracy: (0.4 % + 0.01 %  20 [Difference form 25 C])  10 V [Full scale] = ±0.06 V
 RTD input specifications (OBV-RTD)
Item
Supported RTD type
Number of channel
Measurement temperature range
Resolution
Accuracy *1
Measurement current
Conversion time
Diagnostic error
Cable
Channel - internal circuit
Isolation
Between channels
*1 e.g. In the case of measured temperature is 100 C, accuracy without noise is calculated as follows.
Accuracy: 0.3 C + 100 C  0.2 % = ±0.5 C
At 25±3 C
Voltage output
Current output
Voltage output
Current output
At 25±3 C
Voltage output
Current output
Specifications
OBV-AIG
Single-ended 4 channels
0 to 10 V (Max. 10.24 V)
0 to 20 mA (Max. 20.48 mA)
0 to 10 V: 0 to 4,000 / 0 to 16,000
0 to 20 mA: 0 to 4,000 / 0 to 16,000
±0.2 % (FS)
±0.01 % / C (FS)

8 ms 1 to 10
Shielded cable (length: Max. 20 m)
None-isolated
Single-ended 2 channels
0 to 10 V (Max. 10.24 V)
0 to 20 mA (Max. 20.48 mA)
0 to 10 V: 0 to 4,000
0 to 20 mA: 0 to 4,000
±0.01 % /

4 ms
1 to 500
Shielded cable (length: Max. 20 m)
Pt100 (3-wire or 2-wire)
4 channels (2-wire) or 2 channels (3-wire)
Measured temperature under 0 C: Max. ±0.3 C
Measured temperature over 0 C:
Max. ± (0.3 + Measured temperature  0.2 %) C
Conversion value: H7FFF
Shielded cable (Ohmic value of cable: Max. 5 )
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OBV-AIOG
Single-ended 2 channels
±0.4 % (FS)

4 ms
150 k
250 
Isolated
Specifications
±0.4 % (FS)
C (
FS)
1 to 20 (2 channels）

Min. 1 k
 (Max.
10 V)
Isolated
None-isolated
Specifications
-200 to 850 C
0.1 C
0.49 mA
80 ms
Isolated
None-isolated
1 to 20
NJI-669(X)