Beijing  Topsky  Century Holding Co.,Ltd
                                                                                                           
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Portable Gas Detector

China CD10 Portable Multi Gas Detector 4.3 Inch LCD RS485 Data Output 10 Gas Measurement for sale

CD10 Portable Multi Gas Detector 4.3 Inch LCD RS485 Data Output 10 Gas Measurement

Price: Negotiable
MOQ: 1 Set
Delivery Time: Negotiable

Simultaneously measures up to 10 gases including CH4, CO2, O2, H2S, plus wind speed, temp, humidity, and pressure. Built-in sampling pump with 50m remote reach. 4.3-inch color LCD, RS485 data output, 120H battery life. Intrinsically safe ExibdMB certified.

China Wireless Multiple Gas Detector IR119 Portable 5 Gas Monitor 500m Range IP55 for sale

Wireless Multiple Gas Detector IR119 Portable 5 Gas Monitor 500m Range IP55

Price: Negotiable
MOQ: 1 Set
Delivery Time: Negotiable

IR119 portable gas detector supports up to 5 sensors for CO, CH4, O2, H2S, SO2. Features built-in pump, WiFi/GPRS/RS232 data transmission, 2000 data storage, and 48h battery life. Ideal for mines, tunnels, and emergency response.

China Portable Multi Gas Detector YQ7 Polycarbonate 6 Gas Temperature 1000 Alarm Log for sale

Portable Multi Gas Detector YQ7 Polycarbonate 6 Gas Temperature 1000 Alarm Log

Price: Negotiable
MOQ: 1 Set
Delivery Time: Negotiable

Rugged polycarbonate portable gas detector detects up to 6 gases plus temperature. Features powerful built-in pump, patented fall alarm, and 1000-group alarm log. Compatible with Tianyun TS-CLOUD calibration system. Ideal for oil, gas, chemical, and industrial safety.

China Portable CH4 O2 CO H2S Multi Gas Detector 4 Gas Monitor with Audible Visual Alarm IP54 for sale

Portable CH4 O2 CO H2S Multi Gas Detector 4 Gas Monitor with Audible Visual Alarm IP54

Price: Negotiable
MOQ: 1 Set
Delivery Time: Negotiable

Intrinsically safe 4-in-1 gas detector monitors CH4, O2, CO, and H2S simultaneously. Features catalytic and electrochemical sensors, audible/visual/vibrating alarms, IP54 rating, and 10+ hour battery life. Ideal for mining, confined spaces, and chemical industries.

China Portable Oxygen Level Detector 0-25% O2 OLED Display Single Gas Monitor 102g for sale

Portable Oxygen Level Detector 0-25% O2 OLED Display Single Gas Monitor 102g

Price: Negotiable
MOQ: 1 Set
Delivery Time: Negotiable

Compact and lightweight O2 detector with OLED display, adjustable alarms, and 2-year warranty. Features electrochemical sensor, 0-25% range, IP54 protection, and flip-cap calibration. Ideal for mining, confined spaces, and industrial safety.

China Single H2S Portable Gas Detector 0-100ppm Range Electrochemical Sensor 102g for sale

Single H2S Portable Gas Detector 0-100ppm Range Electrochemical Sensor 102g

Price: Negotiable
MOQ: 1 Set
Delivery Time: Negotiable

Compact and lightweight H2S gas detector with electrochemical sensor, 0-100ppm range, and 1ppm resolution. Features OLED display, adjustable alarms, flip-cap calibration, and 2-year warranty. Ideal for mining, oil, chemical, and confined space safety.

China 1ppm Resolution Hand Held Gas Detector IP54 Portable Carbon Monoxide CO Monitor 0-10000ppm for sale

1ppm Resolution Hand Held Gas Detector IP54 Portable Carbon Monoxide CO Monitor 0-10000ppm

Price: Negotiable
MOQ: 1 Set
Delivery Time: Negotiable

Portable CO detector with 1ppm resolution, IP54 rating, and 2-year warranty. Features OLED display, adjustable alarms, and 102g lightweight design. Ideal for mining, firefighting, and confined spaces.

China Portable 2 in 1 Gas Detector CH4 O2 Catalytic Combustion Sensor Intrinsically Safe 0-4% CH4 0-25% O2 for sale

Portable 2 in 1 Gas Detector CH4 O2 Catalytic Combustion Sensor Intrinsically Safe 0-4% CH4 0-25% O2

Price: Negotiable
MOQ: 1 Set
Delivery Time: Negotiable

Intrinsically safe and explosion-proof portable gas detector simultaneously monitors methane (CH4) and oxygen (O2). Features catalytic combustion and electrochemical sensors, audible/visual alarms, and 10-hour battery life. Ideal for coal mines, confined spaces, and chemical industries.

China Portable CH4 CO Gas Detector 0-4% CH4 0-100% LEL Exibd I Explosion Proof for sale

Portable CH4 CO Gas Detector 0-4% CH4 0-100% LEL Exibd I Explosion Proof

Price: Negotiable
MOQ: 1 Set
Delivery Time: Negotiable

Intrinsically safe portable gas detector simultaneously monitors methane (CH4) and carbon monoxide (CO) with catalytic and electrochemical sensors. Features audible/visual alarms, 10+ hour battery life, and compact 115x50x21mm design. Ideal for coal mines, confined spaces, and chemical plants.

China Ammonia Gas NH3 Portable Detector 0-100ppm Range 140g Weight 120h Operation IP54 Rated for sale

Ammonia Gas NH3 Portable Detector 0-100ppm Range 140g Weight 120h Operation IP54 Rated

Price: Negotiable
MOQ: 1 Set
Delivery Time: Negotiable

Professional portable ammonia gas detector with 0-100ppm measuring range and 15ppm alarm threshold. Features 120-hour continuous operation, IP54 protection rating, and lightweight 140g design. Ideal for industrial safety applications in metallurgy, power plants, chemical plants, and mining operations with customizable alarm settings and modular sensor technology.

China CD4 Multi-Gas Detector - 4-in-1 Portable Monitor for CO, O2, H2S & Combustible Gas with 10+ Hour Battery Life for sale

CD4 Multi-Gas Detector - 4-in-1 Portable Monitor for CO, O2, H2S & Combustible Gas with 10+ Hour Battery Life

Price: Negotiable
MOQ: 1 pcs
Delivery Time: Negotiable

Compact 250g portable gas detector simultaneously monitors CO (0-1000ppm), O2 (0-30%VOL), H2S (0-100ppm), and combustible gases with ±5% accuracy. Features IP54 protection, 75dB audible alarms, and explosion-proof certification for mining, chemical, and confined space applications.

China CJT-4/1000B Portable CH4 & CO Gas Detector - 115×50×21mm Explosion-Proof Safety Monitor with 10+ Hour Battery for sale

CJT-4/1000B Portable CH4 & CO Gas Detector - 115×50×21mm Explosion-Proof Safety Monitor with 10+ Hour Battery

Price: Negotiable
MOQ: 1 set
Delivery Time: Negotiable

Professional portable gas detector simultaneously monitors CH4 (0-4%) and CO (0-100% LEL) with 75 dB audible alarms. Features explosion-proof Exibd I certification, ≥10-hour battery life, and compact 115×50×21mm design. Ideal for coal mines, confined spaces, chemical plants, and industrial safety applications requiring reliable gas detection.

China CCZ1000 Direct Reading Explosion-proof High Precision Dust Measurement Instrument Portable Gas Detector for sale

CCZ1000 Direct Reading Explosion-proof High Precision Dust Measurement Instrument Portable Gas Detector

Price: Negotiable
MOQ: Negotiable
Delivery Time: Negotiable

1, Overview The CCZ1000 direct reading dust concentration measuring instrument (hereinafter referred to as the "measuring instrument") is based on the principle of infrared light absorption, and is an instrument used for measuring the concentration of suspended dust in the ambient air. This instrument is a measuring instrument designed in accordance with the Ex ib I Mb explosion-proof level (mine-specific intrinsically safe type) as per the standards of MT/T 163-2019 "General

China CD10 A Explosion-proof Wireless Composite Gas Detector 3rd Gen 479x387x210mm Intelligent Sensor for sale

CD10 A Explosion-proof Wireless Composite Gas Detector 3rd Gen 479x387x210mm Intelligent Sensor

Price: USD11000-13000
MOQ: 1set
Delivery Time: 60days

Detects up to 12 gases, meteorological data, and real-time video. Features dual diffusion/pump modes, customizable alarms, and remote terminal with historical data curves. Ideal for firefighting, petrochemical, and emergency response. Certifications and OEM available.

China CD4 Explosion-proof Wireless Composite Gas Detector 4G Pump Suction 5th Gen CH4 O2 CO H2S SO2 for sale

CD4 Explosion-proof Wireless Composite Gas Detector 4G Pump Suction 5th Gen CH4 O2 CO H2S SO2

Price: USD1100
MOQ: 1set
Delivery Time: 60days

Military-grade 5-gas detector with 4G wireless data transmission and pump suction sampling. Simultaneously monitors CH4, O2, CO, H2S, and SO2. Features long battery life, sound/light alarm, and cloud platform integration. Lightweight, portable, and ideal for industrial safety.

China CD4 Explosion-proof Wireless Composite Gas Detector 4G 5 Gas IP67 for sale

CD4 Explosion-proof Wireless Composite Gas Detector 4G 5 Gas IP67

Price: USD800
MOQ: 1set
Delivery Time: 60days

Continuously detects CH4, O2, CO, H2S, and SO2 with high precision. Features 4G transmission, GPS positioning, and over-limit audio-visual alarm. IP67 rated, LCD display, ideal for mining and petrochemical safety. Custom OEM available.

China 6-in-1 Portable Gas Detector 4G Cloud Platform Sound Light Vibration Alarm 230mm for sale

6-in-1 Portable Gas Detector 4G Cloud Platform Sound Light Vibration Alarm 230mm

Price: USD3400
MOQ: 1set
Delivery Time: 60days

Detects up to 6 gases, dust, temperature, humidity, and nuclear radiation. Features 4G cloud upload, real-time printing, 260K data storage, and IP66 protection. Ex ia IIC T5 certified. Ideal for industrial safety and environmental monitoring.

China Military Agent Detector VOC Version 0.4-30 m/s Wind Speed 10h Working Time Multi-Gas for sale

Military Agent Detector VOC Version 0.4-30 m/s Wind Speed 10h Working Time Multi-Gas

Price: USD4100
MOQ: 1set
Delivery Time: 60days

Simultaneously detects 9 parameters including VOCs, flammable gas, O2, CO, CO2, H2S, SO2, temperature, and wind speed. High-precision sensors, 3-inch color LCD, audio-visual alarm, and 260,000 data storage. Certified by national authority. Ideal for industrial safety and emergency response.

China Handheld Laser Remote Methane Gas Leak Detector 15m Detection Range 0-50000 ppm for sale

Handheld Laser Remote Methane Gas Leak Detector 15m Detection Range 0-50000 ppm

Price: USD700
MOQ: 1 set
Delivery Time: 10 working days

Detects methane gas leaks remotely up to 20m with laser absorption technology. Features millisecond response, 0.1s reaction time, 8h continuous work, and 50000 alarm records storage. Ideal for pipelines, coal mines, and chemical plants. ±5% accuracy, anti-interference, and customizable.

China TS-200 Portable Explosive and Drug Detector Ion Mobility Spectrometry 3s Analysis 4.0kg for sale

TS-200 Portable Explosive and Drug Detector Ion Mobility Spectrometry 3s Analysis 4.0kg

Price: USD6930
MOQ: 1set
Delivery Time: 60days

High-resolution ion mobility spectrometry detects trace explosives and drugs in seconds. Dual-mode operation, nanogram sensitivity, ≥99% detection rate. Lightweight 4.0kg with 12h battery. Ideal for airport, railway, and security checkpoints.