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Kailu Portable 4-in-1 Gas Detector Combustible Gas Oxygen Hydrogen Sulfide Carbon Monoxide Leak Alarm Explosion-Proof

•Gas detector

Kailu Portable 4-in-1 Gas Detector Combustible Gas Oxygen Hydrogen Sulfide Carbon Monoxide Leak Alarm Explosion-Proof

CN¥348.00

SKU: 100218561488

Status:In Stock (7)

ID: 100116095379

Weight: 520.00 g

Dims:175x155x72 mm

Specifications

Gas detection: Carbon monoxide, Biogas, Hydrogen sulfide, Methane, oxygen, Combustible gas
Whether to bring a pump: Without pump
How it works: Portable
Customizable or not: Not customizable

Variants / Sale Attributes

Model: Upgraded fiveyear leadfree oxygen fourinone dropproof case packaging

Package Contents

K-400A*1 Instruction manual*1 Factory certificate*1 Factory inspection report*1 Paper packaging box*1

Product Description

Overview

Brand: Kailu
Model: K-400A
Part Number (P/N): 0401010
Product Type: Four-in-One Gas Detector

Combustible Gas (Methane, CH4)

Oxygen (O2)

Hydrogen Sulfide (H2S)

Carbon Monoxide (CO)

Imported TD brand lead-free oxygen sensor

Additional details

Sensor lifespan: up to 5 years (varies by environment)

High stability and strong anti-interference capability

Enhanced sensitivity and accuracy

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Additional details

Response time (T90): < 60 seconds

Maximum allowable error

Item	Detail
CH4	±5% FS
O2	±3% FS
CO	±5 μmol/mol or ±10% (whichever is met)
H2S	±2 μmol/mol or ±10% (whichever is met)

Additional details

Combustible Gas: 0% LEL
Oxygen: 0-20.9% VOL
Carbon Monoxide: 0 μmol/mol
Hydrogen Sulfide: 0 μmol/mol

LCD real-time data and system status display

LED alarm indicator light

Audible buzzer and vibration alarm

Alarm record automatic storage

Additional details

Language options: Chinese and English (switchable)

Unit settings and gas type unit switching available

Built-in lithium battery, 1800mAh capacity

Charging via Type-C USB port

Additional details

Charging time: ≤ 6 hours
Continuous operation time: ≥ 8 hours (standby >12 hours)
Dimensions: 122.8 x 62 x 31 mm
Weight: Approx. 180 g
Housing: high-strength engineering plastic with composite anti-slip rubber
Protection: splash-proof, dust-proof, explosion-proof (Ex ib IIC T3 Gb)

Compact, ergonomic design for single-hand operation

Back clip for easy carrying

Additional details

Temperature: -10°C to +55°C
Humidity: ≤ 93% RH (non-condensing)
Working voltage: DC 3.7V

Alarm indication through LED, sound, and vibration

Data storage and record keeping of alarms

Official certification and compliance with PRC customs import regulations

Comes with user manual, certificate of conformity, packaging box, calibration gas cover, charger, and charging cable

Suitable for use in ship transportation, mining, petroleum extraction, metallurgy, chemical and pharmaceutical industries, gas pipelines, gas stations, and paint shops

Product color and appearance may vary slightly due to display differences.