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MSA Gas Detector Sensor: ALTAIR 4XR/ALTAIR 5X, MSA, Carbon Monoxide/Nitrogen Dioxide - MSA Replacement Sensors
MSAMSA Replacement Sensors

MSA Gas Detector Sensor: ALTAIR 4XR/ALTAIR 5X, MSA, Carbon Monoxide/Nitrogen Dioxide

The MSA ALTAIR 4XR/ALTAIR 5X Replacement Sensor (MPN 10121217) is a Nitrogen Dioxide sensor with a 15-second response time, designed for the ALTAIR 4XR and ALTAIR 5X gas detectors. It measures Nitrogen Dioxide from 0…

SKU 3G-OTH-554431

Brand
MSA
Item
Gas Detector Sensor: ALTAIR 4XR/ALTAIR 5X, MSA, Carbon Monoxide/Nitrogen Dioxide
Category
MSA Replacement Sensors
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Technical Specifications

MSA
Manufacturer Part Number
10121217
Type
MSA, Carbon Monoxide/Nitrogen Dioxide, Sensor, 15 sec
Part Type
Sensor
Gas Detected
Nitrogen Dioxide
Series [NEW]
ALTAIR 4XR
Measurement Range
Nitrogen Dioxide (0 to 50 ppm)
Compatible Detector Model/Series
ALTAIR 5X
View Full Spec Sheet

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

Product Description

The MSA ALTAIR 4XR/ALTAIR 5X Replacement Sensor (MPN 10121217) is a Nitrogen Dioxide sensor with a 15-second response time, designed for the ALTAIR 4XR and ALTAIR 5X gas detectors. It measures Nitrogen Dioxide from 0 to 50 ppm. 3G Electric sources this genuine MSA sensor as part of our industrial safety offering, backed by specialist expertise in controls and instrumentation.

Frequently Asked Questions

What is the MSA 10121217 sensor used for?

The MSA 10121217 replacement sensor detects nitrogen dioxide (NO₂) from 0 to 50 ppm in the ALTAIR 4XR and ALTAIR 5X gas detectors. It is used in industrial safety applications such as chemical plants, refineries, and confined-space entry to warn workers of toxic NO₂ exposure.

What are the specifications of the MSA 10121217 sensor?

The MSA 10121217 is a nitrogen dioxide sensor with a 15-second response time, measuring 0 to 50 ppm. It is compatible with the ALTAIR 4XR and ALTAIR 5X gas detectors. This genuine MSA part is sourced by 3G Electric for industrial safety applications.

Where to buy the MSA 10121217 sensor worldwide?

3G Electric supplies the genuine MSA 10121217 nitrogen dioxide sensor worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this replacement sensor for ALTAIR 4XR and ALTAIR 5X detectors.

How to install the MSA 10121217 sensor in an ALTAIR 5X?

Install the MSA 10121217 sensor by powering off the ALTAIR 5X detector, removing the old sensor, and inserting the new NO₂ sensor firmly into the socket. Reassemble the housing and perform a fresh-air calibration per the detector manual. Always follow MSA’s safety instructions for gas detector maintenance.

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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