Obsnap Instruments Sdn Bhd
29A, Jalan SS 15/4C,
47500 Subang Jaya,
Selangor, Malaysia.
+603-5621 5786
+603-5621 5829
+6012-2231813
+60122233687

Module GL7-M

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Module GL7-M Voltage/Temperature Module GL 7000 Data Acquisition Equipment

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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.

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)
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
*1
Subject to the conditions:
Room temperature is 23ºC ±5ºC. When 30 minutes or more
have elapsed after power was turned on.
Filter is set to 10 or Line. Sampling rate is set to 1 second.
GND terminal is connected to ground.

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