This document is an instruction manual for the G450 multi-gas detector
The GfG G450 is a handheld detector designed for personal protection against atmospheric hazards, measuring gases in diffusion mode with visual and audible alarms. It complies with various international safety standards for use in hazardous locations, including intrinsic safety and explosion protection certifications.
The manual covers device operation, including turning the unit on and off, display settings, and alarm configurations. It details procedures for calibration, bump testing, battery replacement, and cleaning, ensuring the device remains accurate and safe for use in hazardous environments.
| Detection Mode | Diffusion mode |
|---|---|
| Battery Capacity | Up to 25 hours |
| Alarm Sound Level | 103 dB at 30 cm |
| Operating Temperature | -20 to +50 °C |
| Intrinsic Safety | c-CSA-us Class I, Division 1, Groups A, B, C, and D |
Press the right key to turn the G450 on in an environment known to be free from gases.
Hold the right key (ZOOM) for approximately 5 seconds to turn the device off.
When capacity falls to 4%, power save mode is displayed and the device gives visual and audible warnings.