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  • GL7-V, voltage module (GL7000 main unit excluded)
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GL7-V, Voltage Module


Product Description

10-ch, voltage amp, high isolation per channel, 1k samples/s, 1mV to 100B F.S. and 1-5V F.S.

Universal isolated input module for low voltage between 0 to 100V.  At 1ms (1 kS/s) sampling speed, you are able to monitor up to 100 channels with 10 modules per GL7000 main unit.  Synchronizing up to 5 units, GL7000 can monitor up to 500 channels max at 1ms sampling interval using multiple GL7-V modules.*  Module is best suited for multi-channel measurements for battery stack, electronics circuit, and to measure multiple displacement, pressure, wind speed, and other scaled linear voltage input from sensors measuring physical measurements.

*Requires B-559 sync cable.

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

*1 Subject to the conditions:

  • Room temperature is 23ºC ±5ºC. ● When 30 minutes or more have elapsed after power has been 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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