| Specification |
GRV-ITM-12 and GRV-ITMI-8 |
| Millivolt Input Ranges |
±1200.0 mV, ±600.0 mV, ±300.0 mV, ±150.0 mV, ±75.0 mV, ±50.0 mV, ±25.0 mV |
| Over range limits (± 10%) |
±1320.0 mV, ±660.0 mV, ±330.0 mV, ±165.0 mV, ±82.5 mV, ±55.0 mV, ±27.5 mV |
| Resolution |
mV Range / 1,048,576 (20 bits) |
| Accuracy 0.1% of Range |
±1200 µV, ±600 µV, ±300 µV, ±150 µV, ±75 µV, ±50 µV, ±50 µV |
| Thermocouple ITS90 Types |
Accuracy (Default) / Accuracy (User-Calibrated) / Resolution |
| B: 90 °C to 1,820 °C |
5.0 °C / 3.0 °C @ 250 °C / 0.05 °C |
| E: -270 °C to 1,000 °C |
2.0 °C / 0.5 °C @ 0.0 °C / 0.05 °C |
| J: -210 °C to 1,200 °C |
2.0 °C / 0.5 °C @ 0.0 °C / 0.05 °C |
| K: -270 °C to 1,372 °C |
2.0 °C / 0.5 °C @ 0.0 °C / 0.05 °C |
| N: -270 °C to 1,300 °C |
3.0 °C / 0.8 °C @ 0.0 °C / 0.05 °C |
| R: -50 °C to 1,768 °C |
5.0 °C / 2.5 °C @ 250 °C / 0.05 °C |
| S: -50 °C to 1,768 °C |
5.0 °C / 3.0 °C @ 250 °C / 0.05 °C |
| T: -270 °C to 400 °C |
3.0 °C / 0.5 °C @ 0.0 °C / 0.05 °C |
| Specification |
GRV-ITM-12 |
GRV-ITMI-8 |
| Cold Junction Compensation |
Automatic |
Automatic |
| Data Refresh Time |
mV Ranges = 0.9 s
T/C Ranges = 1.2 s |
mV Ranges = 100 ms
T/C Ranges = 200 ms |
| Analog Data Filtering |
-3 dB @ 14 Hz
-25 dB @ 60 Hz |
-3 dB @ 14 Hz
-25 dB @ 60 Hz |
| Software Filtering: Simple Moving Average (SMA) |
1 to 32 readings |
1 to 32 readings |
| Software Filtering: Weighted Average |
1 to 4096 |
1 to 4096 |
| Step Input Response Time |
1.2 s x SMA value
(38.4 s @ 32 SMA, Default SMA = 6) |
16.5 ms x SMA value
(0.53 s @ 32 SMA, Default SMA = 8) |
| Common Mode Rejection |
> -120 dB |
> -120 dB |
| Input Resistance |
100 megohm |
100 megohm |
| Problem Indication |
out of range, open thermocouple |
out of range, open thermocouple |
| Isolation (field-to-logic) |
300 V working, 1500 V transient (1 minute) |
300 V working, 1500 V transient (1 minute) |
| Isolation (channel-to-channel) |
300 V between channel group 0-5 & channel group 6-11.
None within a group. |
300 V working, 1500 V transient (1 minute) |
| Number of Channels |
12 |
8 |
| Chassis Power Consumption |
1.3 W |
1.4 W |
| Minimum GRV-EPIC-PR1 Firmware Version |
1.4.2 |
1.0.0 |
| Minimum PAC Project Version |
10.2003 |
10.0000 |
| Minimum Library Package for CODESYS Version |
1.0.2.0 |
1.0.0.0 |
| Wire Size |
28–14 AWG |
28–14 AWG |
| Torque, connector screw |
2.5 in-lb (0.28 N-m) |
2.5 in-lb (0.28 N-m) |
| Torque, hold-down screw |
3.5 in-lb (0.4 N-m) |
3.5 in-lb (0.4 N-m) |
| Temperature (operating) |
-20 °C to +70 °C |
-20 °C to +70 °C |
| Temperature (storage) |
-40 °C to +85 °C |
-40 °C to +85 °C |
| Humidity (non-condensing) |
5–95% RH |
5–95% RH |
| Agency Approvals |
UL/cUL (Class 1 Div. 2)a; CE, ATEX (Category 3, Zone 2), RoHS; DFARS; CB Scheme; UKCA |
| Warranty |
Lifetime |
Lifetime |
a For use in hazardous locations, equipment must be mounted in an enclosure that meets the requirements of the National Electrical Code, ANSI/NFPA 70, and ANSI/ISA-61010-1 (82.02.01).
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