| Type of module |
Voltage and Temperature measurement module |
| Model number |
GL7-M |
| Number of input channels |
10 channels |
| Input method |
All channels isolated balanced input, Scans channels for sampling,
Screw terminal (M3 screw) |
| Sampling speed (interval) |
100 Samples/s at 10ch to 1 Sample/h (10 ms at 10ch to 1 hr.) |
| Built in RAM |
2 million samples for each channel |
| Measurement range |
Voltage |
20, 50, 100, 200, 500 mV, 1, 2, 5, 10, 20, 50 V, and 1-5 V Full Scale |
| Temperature |
Thermocouple: K, J, E, T, R, S, B, N, and W (WRe5-26)
RTD: Pt100, JPt100 (JIS), Pt1000 (IEC751) |
| Humidity |
0 to 100 % RH, using optional humidity sensor (B-530) |
| Measurement accuracy (*1) |
Voltage |
±0.1% of Full Scale |
| Temperature |
Thermocouple |
Measurement range
(TS: Temperature Sensed) |
Measurement accuracy |
| R/S |
0 ≤ TS ≤ 100ºC |
±5.2ºC |
| 100 < TS ≤ 300ºC |
±3.0ºC |
| R: 300 < TS ≤ 1600ºC |
±(0.05% of reading + 2.0ºC) |
| S: 300 < TS ≤ 1760ºC |
±(0.05% of reading + 2.0ºC) |
| B |
400 ≤ TS ≤ 600ºC |
±3.5ºC |
| 600 < TS ≤ 1820ºC |
±(0.05% of reading + 2.0ºC) |
| K |
-200 ≤ TS ≤ -100ºC |
±(0.05% of reading + 2.0ºC) |
| -100 < TS ≤ 1370ºC |
±(0.05% of reading + 1.0ºC) |
| E |
-200 ≤ TS ≤ -100ºC |
±(0.05% of reading + 2.0ºC) |
| -100 < TS ≤ 800ºC |
±(0.05% of reading + 1.0ºC) |
| T |
-200 ≤ TS ≤ -100ºC |
±(0.1% of reading + 1.5ºC) |
| -100 < TS ≤ 400ºC |
±(0.1% of reading + 0.5ºC) |
| J |
-200 ≤ TS ≤ -100ºC |
±2.7ºC |
| -100 < TS ≤ 100ºC |
±1.7ºC |
| 100 < TS ≤ 1100ºC |
±(0.05% of reading + 1.0ºC) |
| N |
-200 ≤ TS < 0ºC |
±(0.1% of reading + 2.0ºC) |
| 0 ≤ TS ≤ 1300ºC |
±(0.1% of reading + 1.0ºC) |
| W |
0 ≤ TS ≤ 2000ºC |
±(0.1% of reading + 1.5ºC) |
Reference Junction Compensation (R.J.C.) accuracy: ±0.5ºC
* Wire size of thermocouple used is 0.32 mm diameter in the T type and 0.65 mm diameter in other types. |
| RTD |
Measurement range |
Driving current |
Accuracy |
| Pt100 |
-200 to 850ºC (F.S. = 1050ºC) |
1 mA |
±1.0ºC |
| JPt100 |
-200 to 500ºC (F.S. = 700ºC) |
1 mA |
±0.8ºC |
| Pt1000 |
-200 to 500ºC (F.S. = 700ºC) |
0.2 mA |
±0.8ºC |
| R.J. Compensation |
Select internal or external |
| A/D converter |
Sigma-Delta type, 16 bits (effective resolution: 1/40000 of the measuring full range) |
| Input impedance |
1 MΩ ±5% |
| Maximum input voltage |
Between (+)/(-) terminal |
60 Vp-p |
| Between channels ((-) terminals) |
60 Vp-p |
| Between channel/GND |
60 Vp-p |
| Max. voltage (withstand) |
Between channels |
350 Vp-p (1 minute) |
| Between channel/GND |
350 Vp-p (1 minute) |
| Isolation |
Between input/GND |
Min. 50 MΩ (at 500 V DC) |
| Common-mode rejection ratio |
Min. 90 dB (50/60 Hz, Signal source impedance: Max. 300 Ω) |
| Filter |
Moving average |
Off, 2, 5, 10, 20, 40
(Moving average in selected number. When the sample is longer than 5 seconds, the data sampled in the sub-sample (5 seconds) will be used for creating the average value.) |
| 5 V output |
Driving the humidity sensor B-530, 1 channel |
| External dimensions (W×D×H) |
Approx. 49 x 136 x 160 mm (Excluding projections) |
| Weight |
Approx. 770 g |
