MSA Safety ALTAIR Gas Detectors, ULTIMA Fixed Monitors and XCell Sensors

Selection and quotation of MSA Safety gas detection: ALTAIR io 4, 4XR, 5X and 2X portable detectors, ULTIMA X5000, General Monitors S5000 and PrimaX IR fixed units, XCell sensors and replacement kits 10106722, 10106725, 10106729.

XCell Sensors and Replacement Kits 10106722, 10106725, 10106729

XCell sensors run in ALTAIR io 4, 4XR, 5X and 2X detectors. For ALTAIR io 4, MSA lists sensor replacement kits for combustible gas 10106722, CO/H2S 10106725 and oxygen 10106729. Typical life is over 4 years for combustible, O2, CO/H2S, SO2 and CO/NO2 sensors and over 3 years for NH3 and Cl2.

  • Combustible: 10106722
  • CO/H2S kit: 10106725
  • Oxygen O2: 10106729
  • Sensor life: over 4 years

ALTAIR 4XR Multigas Detector

ALTAIR 4XR measures up to four gases with XCell sensors: combustible (LEL), oxygen and toxic pairs CO/H2S, CO/NO2 or SO2/H2S-LC. It survives 25 drops from 1.2 m and operates from -40 to +60 °C. MotionAlert signals an immobile user; part 10178560 measures LEL, O2, H2S and CO.

  • Drops: 25 from 1.2 m
  • Temperature: -40 to +60 °C
  • Sensors: XCell
  • Part number: 10178560

ALTAIR 5X Multigas Detector with Integral Pump and PID

ALTAIR 5X monitors up to six gases simultaneously, and its integral pump keeps sample flow consistent. The PID option measures volatile organic compounds. The IP65 housing survives a 3 m drop; most sensors respond and clear in under 15 s, and a bump test takes under 10 s.

  • Gases: up to 6 at once
  • Housing: IP65
  • Drop: 3 m
  • Span calibration: 60 s

ALTAIR io 4 Connected Gas Detector

ALTAIR io 4 measures 1 to 4 gases with XCell sensors and sends data over CAT-M LTE to the MSA Grid cloud. Data logs are kept for at least 90 days. The unit weighs 261 g, and its 2 Ah battery runs about 17 hours on LTE-M.

  • Gases: 1 to 4
  • Link: LTE-M cellular
  • Weight: 261 g
  • Battery: 2 Ah

ALTAIR 2X, 2XP and 2XT Single and Two-Gas Detectors

ALTAIR 2X takes CO, CO-H2, H2S-LC, SO2, NO2, NH3 or Cl2 sensors, and ALTAIR 2XT measures a gas pair such as CO/H2S. ALTAIR 2XP with XCell Pulse runs an H2S bump test without calibration gas. The IP67 housing survives 25-ft drops onto concrete, and the unit records 75 alarm events.

  • Housing: IP67
  • Log: 75 alarm events
  • Drops: 25 ft
  • Gas pair: ALTAIR 2XT

ULTIMA X5000 Fixed Gas Monitor

ULTIMA X5000 monitors oxygen, toxic and combustible gases and accepts two sensors in one transmitter. XCell sensors with TruCal (H2S and CO) extend calibration cycles up to 24 months. Diffusion Supervision warns when the sensor inlet is blocked, and readings show on an OLED display.

  • Calibration: up to 24 months
  • Sensors: up to two
  • Display: OLED
  • Technology: TruCal

General Monitors S5000 Gas Monitor and Replacement Sensors

S5000 operates from -55 to +75 °C, TruCal self-checks the sensor 4 times a day, and SafeSwap replaces XCell sensors without powering down. Bluetooth shows status up to 23 m away. General Monitors also makes electrochemical sensors for CO, H2S, hydrogen and ammonia and catalytic bead sensors.

  • Temperature: -55 to +75 °C
  • Self-check: 4 times a day
  • Bluetooth: up to 23 m
  • Sensor swap: SafeSwap

PrimaX IR Combustible Gas Transmitter

PrimaX IR detects combustible gas in the LEL range with a dual infrared source, so monitoring continues if one source fails. Heated optics prevent condensation. It has a 4-20 mA output, HART setup and diagnostics, SIL 2 design and a 316 stainless steel IP67 housing.

  • Output: 4-20 mA
  • Protocol: HART
  • Safety: SIL 2
  • Housing: 316 stainless, IP67

Choosing a Portable ALTAIR Detector

For one or two toxic gases choose ALTAIR 2X or ALTAIR 2XT with CO/H2S, CO/NO2 or SO2/H2S-LC pairs; ALTAIR 2XP bump tests its H2S sensor without calibration gas.

ALTAIR 4XR measures combustible gas (LEL), oxygen, CO and H2S in one unit, survives 25 drops from 1.2 m and works from -40 to +60 °C. For pumped sampling and up to six gases, including a PID detector, take ALTAIR 5X. When data is needed in real time, ALTAIR io 4 sends readings over CAT-M LTE to the MSA Grid cloud.

Choosing a Fixed Gas Detector

ULTIMA X5000 and General Monitors S5000 monitor oxygen, toxic and combustible gases and accept two XCell sensors each; TruCal on H2S and CO sensors extends calibration cycles up to 24 months. S5000 is rated from -55 to +75 °C for harsh climates.

For infrared detection of combustible gas choose PrimaX IR: dual infrared source, heated optics, 4-20 mA output, HART, SIL 2 design and a 316 stainless steel IP67 housing.

Replacement Sensors and Parts

XCell combustible, O2, CO/H2S, SO2 and CO/NO2 sensors have a typical life of over 4 years, NH3 and Cl2 sensors over 3 years. For ALTAIR io 4 there are sensor replacement kits 10106722 (combustible), 10106725 (CO/H2S) and 10106729 (oxygen), the 10220386 front housing and the 10220405 display.

For fixed General Monitors instruments there are electrochemical sensors for CO, H2S, hydrogen and ammonia and catalytic bead sensors with matched active and reference elements.

Test and Calibration Stations

The GALAXY GX2 station automatically tests and calibrates ALTAIR 2X, 4XR and 5X detectors, up to ten instruments at a time.

On ALTAIR 5X a bump test takes under 10 s and span calibration takes 60 s. Fixed ULTIMA X5000 and S5000 units change sensors through SafeSwap without powering down, and PrimaX IR ships factory-calibrated and is calibrated by one person with a calibration cap.

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