
MSA 10178557 ALTAIR 4XR Multigas Detector (LEL, O2, CO, H2S) with Bluetooth has unique features that have outfitted with rapid-response MSA XCell® sensors, the ALTAIR 4XR Gas Detector is the toughest 4-gas monitor on the market and is backed by a 4-year warranty. The ALTAIR 4XR can also provide real-time incident awareness to team members, supervisors, safety managers and others when paired with the MSA ALTAIR Connect app via a Bluetooth® wireless connection.
(Bluetooth not available at the moment)
Features and Specs:
Includes:
- Rechargeable Battery Pack
- Charger
- Calibration Cap
- Tubing
- CD Manual
- Charcoal Case
Real-time
- Sense gas 2 times faster than the industry average with our XCell sensors
- Quickly update MSA ALTAIR 4XR settings via the ALTAIR Connect app (available on the Google Play Store)
- Send event notifications via text message with the ALTAIR Connect app
Rugged
- Survives 25 drops from 4 feet (1.2 meters) (MIL-STD-810G drop protection)
- Can survive an incidental 25-foot (7.5-m) drop onto concrete
- Dust- and waterproof IP68 rating (2 meters for at least 1 hour)
- Operating temperature range: -40°F to +140°F (-40°C to +60°C)
Reliable
- 4-year instrument & sensor warranty
- Confirm compliance quickly with the Bump LED & on-screen checkmark
- Bump and calibrate with 1/2 the test gas and in 1/2 the time vs. industry average
- Bump and calibrate at a specified "Time of Day" with your MSA GALAXY® GX2 Automated Test System
- MotionAlert option tells others that user has become immobile
- User-activated InstantAlert notifies others of a potentially dangerous situation
Markets: Fire Service, Contractor, Industrial, Mining, Oil & Gas, Utilities, Toxic Atmosphere IDLH, Toxic Atmosphere non-IDLH
Applications: Confined Space, Combustible Detection, Oxygen Detection, Toxic Detection

- Dependable multigas detector tests for LEL, oxygen, carbon monoxide, hydrogen sulfide, sulfur dioxide and nitrogen dioxide
- Economical construction saves users more than 50% on calibration gas, replacement sensors and maintenance
- Four-year sensor life means detector lasts 60% longer than the industry average
- Unit uses 50% less calibration gas per minute than the average detectors within the industry
- Two-tox CO/H2S sensor removes practically all cross-channel interference
- Large buttons and high-contrast screen make operation easy in low-light conditions
- Ribbed rubber housing provides secure grip and high durability
- Unit features 95+ db alarm and ultra-bright LEDs
- Exclusive end-of-sensor warning cautions user when unit's sensor needs to be changed
- MotionAlert option tells others that user has become immobile
- InstantAlert provides manual alarm to alert others of a dangerous situation
Dimensions
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4.4 x 3.0 x 1.4” (11 x 7.6 x 3.5cm)
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Weight
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8 oz (228g)
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Measurement Ranges
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- LEL (Pen) – 0-100%
- O2 – 0-30%
- CO – 0-1999 ppm
- H2S – 0-200 ppm
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Resolution
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- LEL – 1%
- O2 – 0.1%
- CO – 1 ppm
- H2S – 1 ppm
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Battery
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Rechargeable Li-polymer Battery with 24-hour runtime and <4 hour charge time
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Temperature Range
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- –40 °F to +140 °F
- –40 °C to +60 °C
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Relative Humidity
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- 5 % – 95 % intermittent
- 15 % – 90 % non-condensing
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Warranty
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4 years instrument and sensor warranty
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Certifications
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Europe Directive 2014/34/EU (ATEX): II 1G Ex ia da IIC T4 Ga, –40°C to +60°C, IP68 CE 0080 Directive 2014/30/EU (EMC): EN50270 Type 2, EN61000-6-3
North America - USA Class I, Division 1, Groups A, B, C & D Class II, Division 1, Groups E, F & G Class III, Division 1 Ambient temperature: –40°C to +60°C; T4 Canada CSA CAN/CSA C22.2 No. 152 Combustible Gas Detection Instruments C22.2 No. 152 Performance Ambient Temperature: –20°C to +54°C; T4 C22.2 No. 157 Intrinsic Safety Ambient Temperature: –40°C to +54°C; T4
IEC IECEx Ex ia da IIC T4 Ga, –40°C to +60°C, IP68
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- Rechargeable Battery Pack
- Charger
- Calibration Cap
- Tubing
- CD Manual
- Charcoal Case