YJJ MSA Altair 4XR LEL/O2/CO/H2S Four-In-One Gas Detector 10238335 Petrochemical Industries

Product Description:

YJJ MSA Altair 4XR (LEL/O₂/CO/H₂S) Four-in-One Gas Detector 10238335 Petrochemical Industries

Features:

I. Core Parameters (LEL/O₂/CO/H₂S)

1. Gas Detection Specifications (Standard)

LEL (Flammable Gas)

Range: 0–100% LEL (Methane); Resolution: 1% LEL; Principle: Catalytic Combustion

O₂ (Oxygen)

Range: 0–30% Vol; Resolution: 0.1% Vol; Principle: Electrochemical

CO (Carbon Monoxide)

Range: 0–1999 ppm; Resolution: 1 ppm; Principle: Electrochemical

H₂S (Sulfur Dioxide)

Range: 0–200 ppm; Resolution: 1 ppm; Principle: Electrochemical

2. Sensors and Warranty

Sensor: XCell® Intelligent Sensor, response is approximately twice faster than the industry standard, with a lifespan of ≥ 4 years. MSA China Official Website

Complete Machine + Sensor: 4-year warranty

3. Environment and Physics

Temperature: -40℃ ～ +60℃MSA

Humidity: 15–90% RH (no condensation), short-term 5–95% RHMSA

Protection: IP68 (submerged 2 meters / 45 minutes)

Impact Resistance: 7.5 meters drop onto concrete; grade MIL-STD-810G (1.2 meters × 25 times)

Size: 112×76×33 mm; Weight: 228 gMSA

4. Power Supply and Data

Battery: Rechargeable lithium battery, continuous operation 24 hours; Charging < 4 hoursMSA

Data Recording: > 50 hours continuous recording, > 500 event logsMSA

Bluetooth: Built-in Bluetooth, connect to ALTAIR Connect App, remote viewing / alarm / configurationMSA

5. Alarm and Safety

Alarm: Sound + Light + Vibration Triple Alarm, large-screen LCD display

MotionAlert: Automatic alarm when no movement (prevents unconsciousness)

InstantAlert: Manual emergency alarm

II. Main Applications and Usage Scenarios

1. Enclosed Space Operations (Most Common)

Underground, tunnels, pipe galleries, storage tanks, ship cabins, sewage wells, etc.: First detect, then enter, prevent oxygen deficiency / oxygen enrichment, flammable gas explosion, CO/H₂S poisoning.

2. Oil and Gas / Chemicals

Drilling platforms, refineries, chemical plants, oil and gas transportation: Monitor flammable gas leaks and toxic gases (CO/H₂S), explosion prevention and poisoning prevention.

3. Municipal / Public Works

Gas emergency repairs, underground pipelines, sewage treatment plants: Prevent methane (methane) explosion and H₂S poisoning.

4. Firefighting / Emergency Rescue

Fire scenes, confined space rescue: Rapid detection of CO (smoke), O₂, LEL, H₂S, protect rescue personnel.

5. Metallurgy / Boiler Rooms / Power Plants

High furnaces, boiler rooms, generator rooms: Prevent CO poisoning and flammable gas explosion.

III. Core Advantages (Compared to Ordinary Four-in-One)

Super Durability: IP68 + 7.5 meters impact resistance, less likely to break in harsh construction sites.

Long Lifespan and Low Maintenance: XCell Sensor 4 years + lifespan, 4-year warranty, low calibration frequencyMSA

Bluetooth Smart: Remote monitoring, alarm push, data export, safer single-person operationMSA

Fast Response: Approximately 2 times faster than ordinary sensors, T90 < 15 secondsMSA

IV. Standard Alarm Thresholds (Default)

LEL: Low alarm 10% LEL; High alarm 20% LEL

O₂: Low alarm 19.5% Vol; High alarm 23.5% Vol

CO: Low alarm 25 ppm; High alarm: 100 ppm

H₂S: Low alarm: 10 ppm; High alarm: 20 ppm

Specifications: