Our Product Range
From portable handheld detectors to large-scale outdoor monitoring stations — supplied, installed and supported by Verdant.
Outdoor Monitoring Stations

Air quality online monitoring system
Combines electrochemical and laser sensor technology to monitor SO2, O3, CO, NO2, PM2.5 and PM10 in real time. Built for environmental professionals managing outdoor air quality continuously, with remote WAN and 4G connectivity and optional solar power.
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Dust online monitoring station
Measures PM2.5, PM10 and TSP mass concentration simultaneously using the inhalation method. Features a modular design expandable with meteorological monitoring factors including wind, noise and rainfall. Battery and solar power compatible. Ideal for construction sites, industrial parks and roadside monitoring.
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Miniature ambient air quality monitor
A compact outdoor monitoring system capable of tracking PM2.5, PM10, TSP and a full range of gas pollutants including NO2, SO2, O3, CO, HCL, H2S, VOC, NH3 and CO2 simultaneously. Modular design, freely configurable to requirements. Stores data locally for over one year with optional solar power.
Order NowPortable Gas Detectors

4-in-1 portable gas detector
Detects EX, CO, O2 and H2S simultaneously. 32-bit ARM processor with a 1.77' TFT LCD display. Sound, light and vibration triple alarm. Explosion-proof certified (Ex ib IIB T3 Gb). Runs 8+ hours on a single charge. Widely used in petroleum, petrochemical and coal mining environments.
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4-in-1 portable gas detector (heavy duty)
Same core capability as the ES30A — detects EX, CO, O2 and H2S — but with a larger 2000mAh battery for extended field use. Features the same explosion-proof certification, triple alarm system and rugged engineering plastics housing rated IP54. Used in dangerous industrial environments.
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6-in-1 portable multi-gas detector
Detects up to six gases simultaneously — including NH3, H2S, O2 and more — via pump suction sampling with a range over 10 metres. 3.5' TFT colour LCD display, Bluetooth connectivity and 7500mAh battery for 10+ hours of field use. Widely used in petroleum, metallurgy and biopharmaceutical environments.
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Pump gas detectors
Aluminium alloy (ES20B) and ABS+PC (ES20C) pump-suction detectors for combustible gases, toxic gases and oxygen. 2.5' LCD dot matrix display, 12+ hour battery, intelligent multi-point calibration and temperature compensation. Suitable for metallurgy, petroleum, chemical and biopharmaceutical settings.
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Single-gas toxic detector
A compact, lightweight single toxic gas detector rated IP66. Uses a long-life disposable battery lasting over 2 years at normal usage. Explosion-proof design with imported high-performance sensors and multi-point temperature compensation. Ideal for shipping, pharmaceuticals and sewage treatment facilities.
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Fixed in-line gas detector
Wall-mountable fixed detector for continuous industrial gas monitoring. Detects methane, hydrogen sulphide, carbon monoxide and oxygen. Four-digit LED display, RS485 and 4~20mA outputs, triple waterproof design rated IP66. Displays real-time readings on a connected alarm controller. Suitable for industrial environments including car parks and pipe corridors.
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Gas alarm controller (4 or 8 channel)
A smart centralised controller compatible with any 4~20mA gas sensor. Available in 4-channel and 8-channel configurations. Displays real-time gas concentration, unit, alarm and fault status. Features relay output to control exhaust fans and other devices. Wall-mounted, suitable for industrial facilities needing centralised gas management.
Order NowHousehold & CO2 Detectors

CO2, temperature & humidity detector
Indoor CO2, temperature and humidity monitor using infrared non-dispersive detection. Range of 400–5000ppm with colour-coded air freshness indicators. Table-standing or wall-mountable. Optional WiFi and lithium battery versions available. Suitable for offices, schools and residential spaces concerned about indoor air quality.
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Household combustible gas detector
Ceiling or wall-mounted detector for CO, CH4 and LPG (C3H8). Two models — JM-H501 for CO only, JMT-H502 for CO plus combustible gases. Sound and light alarm with real voice prompts, backlight display and IoT remote alarm push. 4G/LoRa/RS485 communication options. 2-year lifespan. Suitable for residential kitchens and commercial spaces.
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