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Essential safety precautions and practices for operating the GFM400 Series in hazardous environments.
Details the functions of the GFM430's front panel controls.
Covers low battery warnings, battery type, charging, and safety.
Introduces calibration, describes options like Reset/Calibrate, and lists associated hazards.
Details the step-by-step process for calibrating gas channels (0.0% and span).
Defines hazardous area zones and classifies gases by ignition properties for safe use.
Explains intrinsically safe design ('ia', 'ib') and temperature classifications.
Details the European Type Assessment process and ATEX directive compliance.
Details the warranty period, conditions for maintenance, and exclusions.
General| Power Supply | Rechargeable Li-ion battery |
|---|---|
| Display | LCD with backlight |
| Data Logging | Yes, internal memory |
| Protection Rating | IP54 |
| Gases Measured | CH4, CO2, O2 |
| Optional Gases | CO, H2 |
| Resolution | 0.1% CO2, 0.1% O2, 1ppm H2S |
| Operating Temperature | +50°C |
| Humidity Range | 0-95% RH (non-condensing) |
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