Overview

The portable gas detector enables mobile detection of oxygen, combustible gases, toxic and hazardous gases in the atmosphere. It can be flexibly configured with up to 6 different types of sensors as needed. Its core detection technologies encompass electrochemical, infrared, catalytic combustion, thermal conductivity, PID (photoionization detection), and other principles. The device integrates imported sensors with high-speed, high-precision processing circuits, offering advantages such as excellent signal stability, high detection accuracy, and superior data repeatability. It is widely applicable across industries including petroleum and petrochemicals, metallurgy, environmental monitoring, gas safety, fire rescue, municipal engineering, chemical production, marine operations, power systems, process control, wastewater treatment, and emergency response monitoring.

Features

Real-time detection of oxygen, combustible, toxic & hazardous gases
Configurable with up to 6 different sensor types
Multiple detection principles: electrochemical, infrared, catalytic combustion, thermal conductivity, PID
High-precision imported sensors with fast response & excellent stability
Pump suction detection with 500 mL/min flow rate
Wide detection range (ppm/%LEL/%VOL, selectable)
High accuracy: ≤ ±2% F.S. with strong repeatability
Rapid response (T90 ≤ 20 s) and recovery (≤ 30 s)
Large 3.8-inch HD color screen with intuitive 8-button operation
Multiple alarm modes: audible, visual, vibration, or combined
Robust 5400mAh rechargeable polymer battery for long runtime
Wide operating temperature: -40°F to +158°F (upgradable to +248°F)
IP68-rated: fully dustproof and waterproof
Intrinsically safe explosion-proof design for hazardous environments
Extensive data storage (100,000 entries) with USB export and charging
Lightweight (≈1.05 lb) and compact (8.86 × 3.46 × 2.28 in)
Supplied with aluminum alloy case, charger, and standard accessories

Technical Specifications

Type	Portable Gas Detector, Multi-Gas Detector (4-in-1 / 5-in-1)
Power Supply	DC 3.6V
Material	Plastic
Alarm Mode	Light, Audible, Vibration (single/combined)
Product Name	Multi Gas Detector
Detection Method	Pump Suction, 500 mL/min flow rate
Detected Gases	Ammonia (NH₃), CO₂, Combustible Gas, O₂, H₂S, CO
Detection Range	0–10 / 0–100 / 0–1000 (ppm/%LEL/%VOL, selectable)
Resolution	0.001, 0.01, 0.1, 1 (depending on gas)
Accuracy	≤ ±2% F.S.
Linearity	≤ ±2%
Repeatability	≤ ±2%
Response Time (T90)	≤ 20 s
Recovery Time	≤ 30 s
Display	3.8-inch HD color screen with 8-button operation
Battery	5400mAh rechargeable polymer battery (3.6VDC)
Operating Temp.	-40°C ~ +70°C (-40°F ~ +158°F)
Optional High-Temp.	-40°C ~ +120°C (-40°F ~ +248°F) with cooling filter handle
Gas Temp. Range	-40°C ~ +70°C (-40°F ~ +158°F)
Temp. Measurement	-40°C ~ +120°C (-40°F ~ +248°F), accuracy ±0.5°C
Humidity Measurement	0–100% RH, accuracy ±3% RH (optional)
Data Storage	100,000 entries (view, delete, or export via USB)
Communication	USB (charging & data transfer)
Explosion-Proof	Intrinsically safe type
Protection Level	IP68 (dustproof & waterproof)
Dimensions	225 × 88 × 58 mm (8.86 × 3.46 × 2.28 in)
Weight	1.047 lb
Accessories	Manual, Certificate, Warranty card, USB charger + cable, High-grade aluminum alloy case