This confined space manhole gas detector is a beast and a work horse. Incredibly durable and made with top notch German engineering. The instrument
GfG Instrumentation G450-11424C G450 Alkaline Gas Detector
The Best Gas Monitor for Confined Space
G450 Multi-Gas Detectors, GfG Instrumentation
GFG Replacement sensors for G450 - Leonard Safety Equipment Inc
G450 Multi-Gas Detector: Exceptional Confined Space Performance, PDF, Battery (Electricity)
RKI GX-3R Pro Gas Detector with Wireless Communication
GfG Instrumentation G450-11210 Portable LEL, O2, & H2S Detector: : Industrial & Scientific
Handheld Multi-Gas Detector - G450
G450
GfG Portable Multi Gas Monitor, Gas Detection G460
The GFG G460 is a versatile and customizable multi-gas detector. It is an excellent choice when a 5th or even a 6th gas is needed - like a PID lamp. It is a rugged, compact instrument. It features a concussion proof housing which is highly dust and water resistant. Comes standard with a top mounted reversible display, one-button operation, and a variety of power options - either an alkaline battery pack or a rechargeable battery pack.
GfG G460 Customizable Multi Gas Detector, O2-LEL-CO-H2S-PID Rechargeable
GfG G450-11410 Multi-Gas Detector, CO/H2S/CH4/O2, Black