Portable Multi-gas Detector

Model Number: 438 (SDH-401) Key Specifications/Special Features: 1. Brief introductionSDH-401 portable multi-gas detector could detect combustible gas, O2 and other two types toxic gases continuously and simultaneouslyIt is widely used in the area where explosion-proof is required or toxic gas leaks, like underground channels or mining industry, so as to protect the workers’ life and avoid damage on the relevant equipment2. Main featuresNatural diffusion sampling method and high-sensitivity sensor, with high sensitivity and repeatability32-bit built-in MCU, high reliability and self-adaptation abilityFull functions, easy operationLarge LCD, more intuitionistic, abundant and clear indicationCompact design, easy carryingHigh strength engineering plastics and compound anti-slippery rubber, high strength, water-proof, dust-proof and explosion-proofGas sampling method: natural diffusionGas sensor type: catalytic (for combustible gas) and electrochemical (for H2S, CO and O2)
Detecting gas: combustible gas, H2S, CO, O₂
Accuracy: ≤±3% FS
Response time: T90≤20s
Indication: LCD displays real-time and system status, LED, audio and vibration alert for gas leakage, fault and low voltage
Working environment: -30C-70C, 0-95% RH (no dew)
Power source: DC 3.6V Li-ion battery (2000mA)
Charging time: ≤ 3H
Working time: ≥ 8H continuously (without alarming)
Gas sensor life: 2 years
Explosion-proof grade: ExibIIBT3 Gb
Protection grade: IP65
Weight: approx 220g (with charger)
Dimensions: 120mmx66mmx30mm (L x W x H)