Obsnap Instruments Sdn Bhd
29A, Jalan SS 15/4C, 47500 Subang Jaya, Selangor, Malaysia.
+603-5621 5786
+603-5621 5829
+60122185651 (Enquiry)
+60162233687 (Vacancy)


GL7-V Voltage Module GL 7000 Data Acquisition Equipment

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This is the voltage input module capable to measure voltage for various
points of battery pack, electronics circuit, and to measure also voltage of
various sensors as displacement, pressure, wind speed, and others. It maintains
sampling speed even if the number of modules are increased.

Application examples

GL7-V specification

Item Description
Type of module Voltage measurement module
Model number GL7-V
Number of input channels 10 channels
Input method All channels isolated unbalanced input, Simultaneous sampling,
Screw terminal (M3 screw)
Sampling speed (interval) 1 k Samples/s to 1 Sample/h (1 ms to 1 hr.)
Built in RAM 2 million samples for each channel
Measurement range 100, 200, 500 mV, 1, 2, 5, 10, 20, 50, 100 V, and 1-5 V Full Scale
Measurement accuracy (*1) ±0.25% of Full Scale
A/D converter Successive approximation type, 16 bits (effective resolution: 1/40000 of the measuring full range)
Input impedance 1 MΩ ±5%
Maximum input voltage Between (+)/(-) terminal 100 mV to 1 V range: 60 Vp-p,
2 V to 100 V range: 100 Vp-p
Between channels ((-) terminals) 60 Vp-p
Between channel/GND 60 Vp-p
Max. voltage (withstand) Between channels 1000 Vp-p (1 minute)
Between channel/GND 1000 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)
Frequency response DC to 1 kHz (+1/-3 dB)
Filter Low pass Off, Line(1.5 Hz), 5, 50, 500 Hz (at -3 dB, 6dB/oct)
External dimensions (W×D×H) Approx. 49 x 136 x 160 mm (Excluding projections)
Weight Approx. 840 g
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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