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MSA ALTAIR 4XR/5X Replacement Sensor - MSA Replacement Sensors
MSAMSA Replacement Sensors

MSA ALTAIR 4XR/5X Replacement Sensor

The MSA ALTAIR 4XR/ALTAIR 5X Replacement Sensor (MPN 10121214) is a carbon monoxide/hydrogen/hydrogen sulfide sensor with a 4-year life, designed for the ALTAIR 4XR and ALTAIR 5X gas detectors. It detects carbon…

SKU 3G-OTH-554430

Brand
MSA
Item
ALTAIR 4XR/5X Replacement Sensor
Category
MSA Replacement Sensors
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MSA
Manufacturer Part Number
10121214
Type
MSA, Carbon Monoxide/Hydrogen/Hydrogen Sulfide, 4 yr
Part Type
Sensor
Gas Detected
Carbon Monoxide
Series [NEW]
ALTAIR 5X
Measurement Range
Hydrogen Sulfide (0 to 200 ppm)
Compatible Detector Model/Series
ALTAIR 4XR

Technical Documents

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MSA Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MSA ALTAIR 4XR/ALTAIR 5X Replacement Sensor (MPN 10121214) is a carbon monoxide/hydrogen/hydrogen sulfide sensor with a 4-year life, designed for the ALTAIR 4XR and ALTAIR 5X gas detectors. It detects carbon monoxide and measures hydrogen sulfide from 0 to 200 ppm. This sensor is a direct replacement part from MSA, ensuring compatibility and reliable gas detection in industrial environments.

Frequently Asked Questions

What is the MSA 10121214 sensor used for?

The MSA 10121214 replacement sensor detects carbon monoxide and measures hydrogen sulfide from 0 to 200 ppm in ALTAIR 4XR and ALTAIR 5X gas detectors. It is used for personal safety monitoring in industrial environments such as refineries, chemical plants, and confined spaces.

What are the specifications of the MSA 10121214 sensor?

The MSA 10121214 is a carbon monoxide/hydrogen/hydrogen sulfide sensor with a 4-year life. It measures hydrogen sulfide from 0 to 200 ppm and is compatible with ALTAIR 4XR and ALTAIR 5X detectors. The manufacturer part number is 10121214.

Where to buy the MSA 10121214 sensor worldwide?

3G Electric supplies the MSA 10121214 replacement sensor worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this genuine MSA part.

How to install the MSA 10121214 sensor in an ALTAIR 4XR?

To install the MSA 10121214 sensor, power off the ALTAIR 4XR detector, remove the old sensor by unscrewing the retaining ring, and gently pull it out. Insert the new sensor, ensuring proper alignment, then replace the retaining ring and perform a fresh-air calibration before use.

Used in

Common applications for MSA
Chemical processing plants — MSA Advantage 3100 series with OV/P100 cartridges for organic vapor and particulate protection
HVAC maintenance — MSA infrared refrigerant leak detector (H3015-8001) for detecting R-401A leaks in commercial systems
Firefighting departments — MSA fire helmets with carved eagle front holders (MPN 10065952) for department identification
Refrigeration service — MSA heated diode leak detector (H0019-8038) for R-12 refrigerant leak detection in older systems
Industrial safety compliance — MSA gas mask canisters (NIOSH P100) for use in confined space entry with organic vapors

MSA Products

3G Electric supplies MSA msa replacement sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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