Gas detection and warning device with a certified measurement function for explosion protection. Explosion-proof, compact, diffusion-type handheld measuring device for up to five flammable and toxic gases as well as oxygen, housed in an extremely robust two-component plastic casing with a rechargeable, explosion-proof lithium-ion battery pack. Charging the battery in potentially explosive atmospheres is not permitted! Up to three gas sensors can be fitted (Ex/Ox/Tox). The device can optionally be fitted with a pump and pressure measurement. The configuration is tailored to the customer’s requirements. Operating time: > 50 hours (depending on the type and number of sensors fitted and ambient conditions, excluding backlighting) Measurement ranges depend on the sensor configuration. Dimensions: 136 x 78 x 43 mm Weight: approx. 350 g Explosion-proof measuring device (active & passive) Measurement function certified for methane (CH₄), propane (C₃H₈), oxygen (O₂), carbon monoxide (CO), carbon dioxide (CO₂) and hydrogen sulphide (H₂S) in accordance with the following standards: EN 60079-29-1:2016 + A1:2022 + A11:2022 EN 50271:2018 EN 50104:2019 / A1:2023 DIN EN IEC 62990-1:2023-12 ATEX marking: II 2G Ex ib db IIC T4 Gb (EU) Type approval certificates: BVS 17 ATEX E 043 X TÜV 21 ATEX 8596 X TÜV 21 PTG 7001 X 968/FSP 1940.11/26 IECEx marking: Ex ib db IIC T4 Gb IECEx BVS 21.0085X Temperature range: -20°C ≤ Ta ≤ +50°C