Module GL7-M
Quantity
This is the voltage/Temperature input module capable to measure voltage
and temperature in mixed condition as an environmental testing for equipment.
It also can be measured the humidity by using the sensor of options that can
be driven by a built-in power source.
and temperature in mixed condition as an environmental testing for equipment.
It also can be measured the humidity by using the sensor of options that can
be driven by a built-in power source.
Application examples
GL7-M specification
| Item | Description | ||||
|---|---|---|---|---|---|
| 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) |
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| 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) |
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| 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. |
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| 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.) |
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| 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 | ||||
- *1
-
Subject to the conditions:
¡ñ Room temperature is 23ºC ±5ºC. ¡ñ When 30 minutes or more
have elapsed after power was turned on.
¡ñ Filter is set to 10 or Line. ¡ñ Sampling rate is set to 1 second.
¡ñ GND terminal is connected to ground.
