8-channel multiplex scanner box
Overview
The GSB-01 is an 8-channel multiplex scanner box from GW-INSTEK, designed as an option for the GPT-9800/9900/9900A series. The product distributes test voltage or current from a compatible safety tester to multiple test points and supports AC/DC withstand voltage (ACW/DCW) as well as insulation resistance (IR) tests when used with the specified tester.Function and operation
The GSB-01 extends the tester's output to eight separate channels. Each channel can be set to one of three states from the front panel or via commands from the tester's interface: HI (voltage applied), LO (return), or X (open). This allows control over which points are exposed to test voltage or measurement connection without manual rewiring.- Expansion with up to four scanner boxes (max. 32 channels) per GPT-9800/9900/9900A.
- RS-232C communication interface between tester and scanner box.
Typical applications
The GSB-01 is described by the manufacturer as suitable for automatic multi-point safety testing and for volume testing in factory areas where repeated high-voltage and insulation resistance tests require centralized channel management.Documentation
See datasheet from the manufacturerSpecifications
- Model: GSB-01 (8 CH High Voltage Scanner Box)
- High voltage rating: 5 kVac / 6 kVdc
- Insulation resistance test voltage: 1 kVdc
- Number of H.V. channels: 8 CH
- Maximum number of connected scanner boxes: 4 (up to 32 channels)
- Interface: RS-232C
- Power supply: AC 100–240 V ±10%, 50/60 Hz
- Dimensions (GSB-01): 330(W) x 101(H) x 399(D) mm
- Weight: approx. 5.5 kg
- Channel signal states: HI / LO / X (selectable from front panel or via tester commands)
- Included accessories (as specified by manufacturer): Power Cord x1, CD (user manual) x1, H.V. Wiring Lead GHT-108 x1, Communication Cable GTL-235 x1, Test Leads GHT-116R x8 and GHT-116B x1
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