This 4 Gas Detector from GfG Instrumentation offers exceptional performance for an extremely affordable price. The G450four sensor multi-gas detector is compact, durable and very easy-to-use. The H2S sensor offers 0.1 ppm resolution to comply with the latest TLV® requirements. G450 sensors are warranted for 3 full years, ensuring that the G450 has the lowest cost-of-ownership of any confined space gas detector on the market today. Replacement sensors carry the same 3 year warranty as the original sensors.
The G450 offers completely automatic calibration, one-button operation, top mounted display and interchangeable battery packs for up to 25 hours of continuous operation.
The optional motorized pump operates in diffusion and sample-draw modes, and can be easily attached or removed from the instrument when sampling needs change.