piwik image

MSA ALTAIR iO 4 Gas Detection Wearable MSA+ Authorized Distributor | Arbill | Safer Every Day

MSA Authorized Distributor

The ALTAIR io 4 Gas Detection Wearable provides the durability you expect from MSA paired with advanced sensor technology.  

It’s Tough. It’s Intuitive. It’s Connected.

  • Works with the MSA Grid software
  • Collects real-time exposure and maintenance data
  • Enables offsite safety managers and onsite workers to communicate quickly
  • Provides immediate diagnostic and service solutions
  • Out-of-the-box cellular and GPS integration and over-the-air software updates
  • Syncs device data in real-time to the cloud
  • Encourages a behavior-based safety approach
  • Visibility to exposure data, asset management, record keeping and more


The MSA+ is a comprehensive connected solution in a single platform that improves safety, increases productivity, ensures compliance, and reduces maintenance while providing access across multiple product groups.

  • Eliminates up-front capital expense
  • Ensures uptime
  • Utilizes up-to-date technology

MSA ALTAIR io 4 MSA+ Subscription


Applications Turnarounds & Plant Maintenance
Emergency Response
Confined Space
 Approvals / StandardsFCC and Industry Canada
Class I, Division 1, Groups A, B, C and D T4 -20C to +55C
Class I, Zone 0, AEx da ia IIC Ga T4
Cellular Carriers USA Verizon Coverage
AT&T Global Network
LTE-M / 2G Fallback
 Data Logging Minimum 90-day cloud-synced data logs. Device data synced and stored in customer Grid account.
Display TypeHigh-resolution liquid crystal display  Location AwarenessGNSS: Concurrent GNSS (GPS and GLONASS) GPS Accuracy: 2.5 meter: GPS accuracy will be influenced by surroundings, infrastructure, & environmental conditions
Oil & Gas
Fire Service
General Industry
 Operating Temperature-20C to +55 C (-4F to +131 F)
Run Time 17 Hours under standard operating conditions  SizeWeight: 261 grams (9 oz)
Dimensions: 11.7 x 7.8 x 3.9 cm (4.6 x 3.1 x 1.5 in)
WarrantyAlways under warranty with subscription   

Enter Content Here


  • Battery: 2 Ah Rechargeable
  • Charge Time: Typical full charge is 4.5 hours at room temperature
  • Charging Temperature Range: 0°C-40°C*


  • Exceeds 26 drops from 4 feet (1.2 m) (MIL-STD-810G 516.6 Transit Drop)
  • Capable of surviving an incidental 25 foot (7.5 m) drop onto concrete
  • Survives 60 minutes in NFPA 1982-2018 tumble tester
  • Dust and waterproof IP68 rating (2 m for 1 hour)


GasTypeTypical Sensor Life*RangeResolution
CombustibleCatalytic5 Years0-100% LEL or Varying Vol %1% LEL or 0.05 Vol %
O2Electrochemical7 Years0 – 30 Vol %0.1 Vol %
COElectrochemical7 Years0 – 1,999 ppm1 ppm
H2SElectrochemical7 Years0 – 199 ppm1 ppm
H2S Low Concentration (Coming Soon)Electrochemical7 Years0 – 99.9 ppm0.1 ppm
SO2 (Coming Soon)Electrochemical7 Years0 – 20 ppm0.1 ppm
NO2 (Coming Soon)Electrochemical7 Years0 – 50 ppm0.1 ppm
CO – Hydrogen ResistantElectrochemical7 Years0 – 1,999 ppm1 ppm
* Typical sensor life can vary due to environmental conditions and / or combustible sensor poisoning


As part of the MSA+ program, pricing will be based on a 36-, 48-, or 60-month subscription offering the flexibility to pay monthly, quarterly, annually, or all up-front based on the tier level of service they desire.


Grid Compliance Service

Grid Fleet Management Service
Grid Live Monitor Service
Emergency Live Monitor
OTA Software Updates
MSA id Digital Device Assignment
90-Days Cloud Logs
Fleet Cloud Configuration
Fleet Manager Dashboard 
Streamlined Device Compliance 
Fleet Manager Reporting 
ALTAIR io DOCK Monitoring 
Lifetime Cloud Logs  
Full Event Live Monitoring  
Event Management  
Fleet Messaging  
Location Awareness