





| Technical Specifications | Parameter Details |
| Target Gas | Toxic volatile organic compounds, such as benzene, toluene, aniline, butadiene, etc. Low-volatility organic compounds, such as ketones, alcohols, chlorobenzene, kerosene, diesel, etc. |
| Detection Principle | photoionization (PID) |
| Detection Method | Built-in pump suction type (with self-diagnosis function supported) |
| Repeatability | <2% |
| Response Time | T90<15s |
| Display Mode | Dot-matrix LCD display, Chinese menu, LED indication |
| Alarm Mode | LED optical alarm, optional explosion-proof audible and visual alarm (optional purchase) |
| Adjustment Method | Infrared remote control, magnetic wand |
| Power Supply | 24V DC(15V~32V DC) |
| Power Consumption | ≤3W (≤5W with explosion-proof audible and visual alarm) |
| Output Signal | 4~20mA (three-wire) 4~20mA+HART (optional) RS485 Modbus (four-wire) Three groups relay switch output (2A 30V DC) 24V DC output (drive audible and visual alarm) 4G/5G/NB-IoT/LORA wireless communication transmission (optional) |
| Transmission Cable | ≤1000m,3(4)x1.5mm2,≤1500m,3(4)x2.5mm2 |
| Electrical Interface | Two interfaces,NPT3/4″(F),M25x1.5 |
| Ambient Temperature | -40℃~+70℃ |
| Relative Humidity | 0~99% RH/No condensation |
| Sensor Lifetime | ≥1.5年 ≥1.5years |
| Explosion Protection Rating | Ex db llC T6 Gb Ex tb lllC T80°C Db |
| Ingress Protection (IP) Rating | IP66 |
| Enclosure Material | Aluminum alloy/SS316 |
| Dimensions | (133x265x123)mm(WxHxD) |
| Weight | 3,500g (aluminum alloy), 4,577g (SS316) |
– New-generation nano-ceramic tube DC discharge photoionization detection technology, high precision, long service life
– Built-in vacuum diaphragm air pump, suction-type detection, fast response and recovery time
– Super-hydrophilic materials and nano-hydrophobic mesh water-blocking sampling filter, resistant to moisture interference
– Dual-channel air intake system design, automatic on-site cleaning, automatic zero calibration
– Built-in 50+ gases and response factors, precise selection and switching of target gases available
– Historical alarm information accessible, displays STEL, TWA, and concentration curve of measured gas
– Ionization chamber waterproof condensation design, resistant to high-humidity environmental interference, zero false alarms
– Built-in temperature and humidity sensors, real-time temperature and humidity compensation
– mg/m³, μmol/mol gas concentration units interchangeable
– Modular design, intelligent real-time self-diagnosis, easy maintenance
– Infrared remote control and magnetic wand, on-site adjustment and calibration


| Gas Name | CAS号 | 分子式 | 检测范围 | 分辨率 | Response Time |
| Benzene | 71-43-2 -1 | C₆H₆ | (0~3/5/10/100)μmol/mol | 0.01/0.1/1μmol/mol | T90≤10s(Lsobutylene) |
| Toluene | 108-88-3 -2 | C₇H₈ | (0~10/20/100)μmol/mol | 0.01/0.1/1μmol/mol | T90≤10s(Lsobutylene) |
| Ethylbenzene | 100-41-4 -3 | C₈H₁₀ | (0~20/40/70)μmol/mol | 0.01/0.1μmol/mol | T90≤10s(Lsobutylene) |
| Acetone | 67-64-1 -4 | C₃H₆O | (0~100/200/300)μmol/mol | 1μmol/mol | T90≤10s(Lsobutylene) |
| Phenol | 108-95-2 -5 | C₆H₆O | (0~10/20/30)μmol/mol | 0.01/0.1μmol/mol | T90≤10s(Lsobutylene) |
| Ethyl acetate | 141-78-6 -6 | C₄H₈O₂ | (0~50/100/150)μmol/mol | 1μmol/mol | T90≤10s(Lsobutylene) |
| Styrene | 100-42-5 -7 | C₈H₈ | (0~10/20/30)μmol/mol | 0.01/0.1μmol/mol | T90≤10s(Lsobutylene) |
| Aminomethane (Methylamine) | 74-89-5 -8 | CH₅N | (0~10/15/20)μmol/mol | 0.01μmol/mol | T90≤10s(Lsobutylene) |
| Aniline | 62-53-3 -9 | C₆H₇N | (0~3/5/10)μmol/mol | 0.01μmol/mol | T90≤10s(Lsobutylene) |
| Xylene | 1330-20-7 -10 | C₈H₁₀ | (0~10/20/30)μmol/mol | 0.01/0.1μmol/mol | T90≤10s(Lsobutylene) |
| Butadiene | 106-99-0 | C₄H₆ | (0~10/20/30)μmol/mol | 0.01/0.1μmol/mol | T90≤10s(Lsobutylene) |
| Carbon disulfide | 75-15-0 | CS₂ | (0~10/20/30)μmol/mol | 0.01/0.1μmol/mol | T90≤10s(Lsobutylene) |
| Biphenyl | 92-52-4 | C₁₂H₁₀ | (0~5/10/20)μmol/mol | 0.01μmol/mol | T90≤10s(Lsobutylene) |
| Chlorobenzene | 108-90-7 | C₆H₅Cl | (0~10/20/30)μmol/mol | 0.01/0.1μmol/mol | T90≤10s(Lsobutylene) |
| Hydrazine | 302-01-2 | N₂H₄ | (0~15/20/50)μmol/mol | 0.01/0.1μmol/mol | T90≤10s(Lsobutylene) |
| Vinyl chloride | 1975/1/4 | C₂H₃Cl | (0~10/20/30)μmol/mol | 0.01/0.1μmol/mol | T90≤10s(Lsobutylene) |
| Methyl mercaptan | 74-93-1 | CH₃SH | (0~10/15/20)μmol/mol | 0.01μmol/mol | T90≤10s(Lsobutylene) |
| Nitrobenzene | 98-95-3 | C₆H₅NO₂ | (0~10/20/50)μmol/mol | 0.01/0.1μmol/mol | T90≤10s(Lsobutylene) |
| Toluene diisocyanate | 26471-62-5 | TDI | (0~10/20/50)μmol/mol | 0.01/0.1μmol/mol | T90≤10s(Lsobutylene) |
| Nonane | 111-84-2 | C₉H₂₀ | (0~100/200/300)μmol/mol | 1μmol/mol | T90≤10s(Lsobutylene) |
| Ethylcyclohexane | 1678-91-7 | C₈H₁₆ | (0~100/200/300)μmol/mol | 1μmol/mol | T90≤10s(Lsobutylene) |
| Butanol | 71-36-3 | C₄H₁₀O | (0~30/50/100)μmol/mol | 0.1μmol/mol | T90≤10s(Lsobutylene) |
| Pentanol | 71-41-0 | C₅H₁₂O | (0~50/80)μmol/mol | 0.1μmol/mol | T90≤10s(Lsobutylene) |
| Isobutanol | 78-83-1 | C₄H₁₀O | (0~50/100)μmol/mol | 0.1μmol/mol | T90≤10s(Lsobutylene) |
| Cyclohexanone | 108-94-1 | C₆H₁₀O | (0~10/20/35)μmol/mol | 0.01/0.1μmol/mol | T90≤10s(Lsobutylene) |
| Jet fuel | 8008-20-6 | \ | (0~100/200)μmol/mol | 1μmol/mol | T90≤10s(Lsobutylene) |
| Kerosene | 8008-20-6 | \ | (0~10/20/50)μmol/mol | 0.01/0.1μmol/mol | T90≤10s(Lsobutylene) |
| Diesel fuel | 68334-30-5 | \ | (0~10/20/50)μmol/mol | 0.01/0.1μmol/mol | T90≤10s(Lsobutylene) |
| Gasoline | 86290-81-5 | \ | (0~50/100)μmol/mol | 0.1μmol/mol | T90≤10s(Lsobutylene) |
The products include gas sensors, gas detectors, gas alarm controllers and monitoring systems, gas analysis and pre-treatment systems,explosion-proof audio-visual alarm, flame detectors, and industrial HSE IoT.
Nuoan’s gas detectors provide instant, accurate alerts, protecting your people and assets 24/7.
Email: sales@nuoan.com
Phone: +86 19928876242
Address: 301, 1401, 1501, 1601, Building C1, No. 459, Qiaokai Road, Fenghuang Community, Fenghuang Street, Guangming District, Shenzhen, China (518107)