K40 4-in-1 Multifunctional Gas Detector for Mine Confined Space Monitoring IECEx Certified Ex Db Ib IIIC T4 Gb with

Simultaneous detection of O₂, H₂S, CO, and combustible gases (LEL)

IECEx certified explosion-proof design (Ex Db Ib IIIC T4 Gb)

IP67-rated waterproof and dustproof housing

Multiple alarm modes: sound, light, vibration, and display alerts

STEL and TWA alarm functions for occupational exposure monitoring

Built-in data logging and alarm history storage

High-sensitivity sensors with fast response time

Rechargeable 2350mAh lithium battery with over 20 hours of operation

USB connectivity for data transfer and analysis

Lightweight portable design (210g) with durable ABS construction

Suitable for Oil & Gas, chemical plants, mining, confined spaces, wastewater facilities, and emergency response operations

Constructed with industrial-grade ABS housing for durability and impact resistance

IP67 protection against dust and water ingress

Store in a clean, dry environment when not in use

Perform regular sensor calibration according to manufacturer recommendations

Recharge battery fully before extended field operations

Clean exterior using a soft cloth; avoid harsh solvents and abrasive cleaners