ATEX Zone 1 Gas Detector
SENKO SI-100 Fixed Gas Detector
Zone 1Class 1 Division 1Yes
$748.44Available
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The Class I Division 1 MSA ALTAIR 2XP Gas Detector (H2S-Pulse, 10/15 ppm enhances hazardous-area monitoring with patented XCell® Pulse Technology, enabling daily stand-alone bump testing without calibration gas or accessories. Built for rugged oil & gas environments, this intrinsically safe single-gas detector features an IP67 rating and withstands 25-foot drops to ensure maximum compliance and uptime
| Country of Origin | United States (US) |
| ATEX Rating | FTZU II 2G Ex ia IIC T4 Gb (-40°C to +60°C) |
| UL Hazardous Area Rating | cCSAus Class I Div 1 Groups A, B, C, D Class II Div 1 Groups E, F, G Class III (UL 913 / CSA 22.2) |
The CID1 MSA ALTAIR 2XP Gas Detector (H2S-Pulse, 10/15 ppm) is a groundbreaking single-gas detection solution specifically engineered for demanding hazardous locations such as oil refineries, chemical processing units, and offshore platforms. Powered by revolutionary XCell® Pulse Technology, the ALTAIR 2XP enables workers to perform daily bump tests anywhere, anytime—completely eliminating the need for calibration accessories or bottled calibration gas.
Built with field efficiency and extreme durability in mind, the ALTAIR 2XP combines automated electronic pulse interrogation with a simple exhaled breath flow check to confirm sensor integrity instantly. Featuring one-button, gloved-hand operation, ultra-bright LEDs, a 95 dB alarm, and a rugged rubberized housing capable of surviving 25-foot drops, this device streamlines compliance while drastically lowering total cost of ownership.
✅ USA: Class I, Div 1, Groups A, B, C, D; Class II, Div 1, Groups E, F, G; Class III | ATEX & IECEx: Ex ia IIC T4 Gb
✅ Stand-alone bump test using patented XCell® Pulse Technology (no bottled gas required)
✅ IP67 dust- and water-tight design with 25-ft drop protection
✅ Automated electronic sensor pulse check & exhaled breath flow check verification
✅ 95 dB audible alarm at 1 ft, ultra-bright LED visual indicators, and standard vibrating alarm
✅ Green LED checkmark confirmation for bump status / Red LED flash for unbumped alert
✅ Full instrument traceability: >9500 hours of datalogging and 300+ event log entries
✅ High-contrast monochrome LCD with adjustable 10-second backlight
✅ Easy one-button, gloved-hand operation in a compact 4 oz lightweight chassis
🔹 H2S-Pulse (10, 15 ppm) - MPN 10153984: Standard single-gas detector with XCell Pulse Technology
| Feature | Details |
|---|---|
| Product Name | MSA ALTAIR 2XP Gas Detector (H2S-Pulse) |
| Part Number (MPN) | 10153984 |
| Gas Detected | Hydrogen Sulfide (H2S) |
| Alarm Setpoints | Low Alarm: 10 ppm | High Alarm: 15 ppm |
| Sensor Technology | MSA XCell® Pulse Technology (Stand-alone bump test) |
| Dimensions | 3.5" L x 2.125" W x 1.25" D (without clip) |
| Weight | 4 oz (113 g) with clip |
| Housing Material | Rugged rubberized armor / Polycarbonate |
| Ingress Protection | IP67 (dust-tight and water-resistant) |
| Drop Test | 25 feet |
| Audible Alarm | 95 dB at 1 foot |
| Visual Alarm | Ultra-bright LEDs (Green for bumped, Red for unbumped/alarm) |
| Vibrating Alarm | Standard |
| Display | Large-character monochrome LCD with 10s adjustable backlight |
| Battery Type | Replaceable Lithium battery |
| Operating Temperature | Extended: -20°C to +50°C | Extreme: -40°C to +60°C |
| Data Logging | >9,500 hours at default interval |
| Event Logging | 300+ events |
| Hazardous Approvals (USA) | cCSAus Class I Div 1 Groups A, B, C, D Class II Div 1 Groups E, F, G Class III (UL 913 / CSA 22.2) |
| Hazardous Approvals (ATEX) | FTZU II 2G Ex ia IIC T4 Gb (-40°C to +60°C) |
| Hazardous Approvals (IECEx) | FTZU Ex ia IIC T4 Gb (-40°C to +60°C) |
| Warranty | Chassis & Electronics: 3 Years | $H_2 Sensor: 3 Years |
🔗 cCSAus Class I Div 1 Groups A, B, C, D; Class II Div 1 Groups E, F, G; Class III – (UL 913 7th Ed / CSA 22.2 No. 157)
🔗 ATEX FTZU II 2G Ex ia IIC T4 Gb (-40°C to +60°C) – European Explosive Atmosphere Certification
🔗 IECEx / Australia / New Zealand FTZU Ex ia IIC T4 Gb (-40°C to +60°C) – International Safety Standard
🔗 IP67 Ingress Protection – Completely dust-tight and submersible water protection
🔗 Download Datasheet
🔹 Oil & Gas
🔹 Chemical Plants
🔹 Mining
🔹 Labs
🔹 Manufacturing
📦 1x MSA ALTAIR 2XP Gas Detector (H2S-Pulse 10/15 ppm)
📦 1x Replaceable Lithium Battery
📦 1x Integrated Alligator Clip
📦 1x Documentation & Instruction Kit
📦 Lead Time: 2 - 3 weeks
📍 Shipping Terms: Worldwide / Expedited Options
💳 Payment Options: Credit Card, PayPal, Net 30 Terms
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How does the XCell Pulse Technology bump test work without gas?
The detector runs an automatic electronic pulse check against sensor catalyst and electrolyte integrity, followed by a quick exhaled breath test. An embedded oxygen sensor detects the drop in O2 from your breath to verify the flow path is clear.
What are the default alarm setpoints for this model?
This specific model (MPN 10153984) comes pre-configured with a Low Alarm at 10 ppm and a High Alarm at 15 ppm for Hydrogen Sulfide (H2S).
What is the typical sensor life and warranty?
MSA XCell sensors feature a typical operating life of over four years (double the industry average). The detector chassis and electronics are backed by a 3-year standard warranty, and the H2S sensor is covered for 3 years.
Is the unit rugged enough for extreme field conditions?
Yes. The device features an IP67 rating against water and dust, a rubberized protective armor housing, passes a 25-foot drop test, and operates across extended temperature ranges from -40°C to +60°C.
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