The GasPoint gas transmitter provides 4‑20 mA output, interchangeable sensors and MODBUS communication for hazardous gas monitoring.
About this manual
The GasPoint transmitter is a 3‑wire, 4‑20 mA gas monitoring device with interchangeable electrochemical, catalytic or infrared plug‑in sensors. It offers non‑intrusive, one‑person calibration, three 5‑amp relay contacts and optional MODBUS communication for remote integration.
The manual covers specifications, installation, calibration, alarm settings, accessories and ordering information for a range of models (GP‑WD, GP‑IR‑WD, GP‑HD, etc.) and includes safety certifications for explosion‑proof use in hazardous environments.
What's inside
- Features
- Specifications
- Sensors
- Calibration
- Displays
- Relay Contacts
- Physical Dimensions
- Warranty
- Order Information
- Accessories and Options
Specifications
| Output signal | 4‑20 mA |
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| Power input | 12 to 32 V DC |
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| Power consumption (toxic version) | 40 mA at 24 VDC |
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| Power consumption (combustible version) | 100 mA at 24 VDC |
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| Relay rating | Three SPDT relays, 5 A at 250 VAC |
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| Size | 6.8 × 7 × 4.3 inches |
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| Weight | 4.85 lb (2.2 kg) |
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| Enclosure | NEMA 4 explosion‑proof aluminum |
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| Detection type | Combustible: catalytic or IR; Toxic/O₂: electrochemical |
Frequently asked questions
What output signal does the GasPoint transmitter provide?
It provides a 4‑20 mA output signal that can be connected to any control system.
How is the transmitter calibrated?
Calibration is non‑intrusive via a pushbutton with auto zero and auto span.
What are the relay contact specifications?
The unit has three SPDT relays rated at 5 A at 250 VAC.
What power input range does the device accept?
The transmitter operates from 12 to 32 V DC.