
4-Gas Calibration and Bump Test Kit
Gas mix: Quad-mix cylinder for LEL, O2, CO, H2S · Regulator: 0.25 LPM fixed-flow
MSA · Altair 4XR
Bluetooth was discontinued by MSA on the 4XR family in July 2022. Phone pairing is not available on this unit; for connected monitoring rent the Altair io 4.
1 x day rate
Rental, 1 day$65
Refundable deposit$400
Total$465
Pickup in the Lower Mainland or flat-rate delivery, arranged after checkout. Delivery and pickup details
Four-gas monitor for LEL, O2, CO and H2S, the standard instrument for pre-entry testing and continuous monitoring on permit-required entries. Ships bump-tested and calibrated with certificate; bump test daily per manufacturer guidance.
| Gases | LEL, O2, CO, H2S |
|---|---|
| Runtime | 24 h typical |
| Ingress / durability | IP68, MIL-STD-810G drop tested |
| Operating temp | -40 to +60 C |
| Alerts | MotionAlert and InstantAlert |
| Weight | 224 g |
| Standards |
|
Standards shown as stated by the manufacturer.
Our rental process and guidance are WorkSafeBC-aligned. Renting equipment does not replace confined space entry training from OnSiteSafety , a hazard assessment or your own confined space entry program, confirm the requirements for your site before entry.
Gas Detection

Gas mix: Quad-mix cylinder for LEL, O2, CO, H2S · Regulator: 0.25 LPM fixed-flow

Gases: LEL, O2, CO, H2S · Deployment: Perimeter and blast zone area monitoring

Gases: LEL, O2, CO, H2S · Connectivity: Shares alarms and gas readings with peers and attendant

Gases: Up to 6 gases simultaneously, PID sensor available for VOCs · Sampling: Integrated pump for remote pre-entry sampling