Portable Multi-Gas Detector · Gas Detection
The Ventis MX4 is a rugged, portable multi‑gas detector that simultaneously monitors up to four gases (e.g., O₂, CO, H₂S, combustible gases) and provides real‑time data via iNet wireless connectivity for fleet‑wide management.
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Gas monitor for detecting toxic and flammable gases in industrial environments.
What our service work and the manufacturer documentation say about keeping this model running.
INet-connected for fleet management. Monthly calibration.
| Bump test | before each day's use / each shift |
|---|---|
| Full calibration | typically every 30 days as standard practice - confirm against local company procedure |
| Sensor replacement | condition-based on calibration failure; catalytic LEL and electrochemical toxic sensors typically last 1-3 years depending on exposure |
| Battery replacement | per manufacturer's rated cycle life, commonly every 2-3 years for the rechargeable pack |
| Sensor response at bump test | commonly expected within roughly +/-10-20% of the calibration gas value - confirm against the manufacturer's pass/fail criteria |
|---|---|
| Battery run time | flag for replacement once run time drops noticeably below the rated duration, per company policy threshold |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Portable gas detectors are checked as part of the vessel's safety equipment survey items and PSC inspections - reviewers look for current calibration/bump-test records, correct gas configuration for the intended spaces, and sufficient quantity of units per the vessel's safety management system.
Estimated lifetime: Not meaningfully expressed in running hours; the instrument itself typically has a usable service life of around 5 years, while individual gas sensors typically last 1-3 years depending on exposure and are replaced individually as they fail calibration.
Industrial Scientific: Special parts through the manufacturer. Lead time: 4-8 weeks. Gas detection sensors on board.
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