| Brand | Safewill |
| Model | ES20B |
| Weight | 200g |
| Certificates | CE, RoHS, ATEX, FCC, SIL |
| Detecting Gas | EX O2, H2S, CO, N2, Ar, CO2, etc. |
| Measuring range | EX: 0-100%LEL, O2: 0-30%VOL, H2S: 0-100ppm, CO: 0-500ppm |
Functional characteristics
this portable single gas detector use Aluminum alloy housing;
built-in high-performance pump, flow stability, can open may be shut;
navigation keys, user friendly interface, easy to operate;
single gas detectors switch in both Chinese and English language;
single gas detector can store 10000 groups of data;
intelligent algorithm, multi-point calibration and temperature compensation, more accurate measurement results;
2600 milliampere large capacity lithium battery, continuous work time more than 20 hours;
VOL %, %LEL, mg/m³, PPM, PPH, and different kinds of parts per unit can choose;
Acousto-optic alarm, timely alarm when the concentration exceeds the standard is detected;
Performance
Detection gas: combustible gas, toxic gas, VOC
Detection method: pump suction type
Range: see appendix
Detection principle: catalytic combustion type, electrochemical type, light ion type, thermal conductivity type, infrared NDIR type
Accuracy: ±3% F.S. Reduplication: ±2%
Response time: T90 < 30S (different gas sensors have different response times)
Alarm mode: sound and light alarm, two-color LED alarm light, voice ≥ 75dB@25cm³
Single gas detector Electrical characteristics
Power supply: lithium battery, nominal voltage: 3.7VDC, capacity: 2600 mA
Charging time: ≤6 hours
Battery life: ≥12 hours (normal temperature electrochemical sensor)
Structural features
Main material: aluminum alloy
Weight: about 0.46kg
Size: 200.5*64.8*35.5mm (L*W*H)
Electrical service environment
Temperature range: -20℃ ~ +50℃ (special requirements need to be customized)
Humidity range: 10 ~ 95%RH (no condensation)
Pressure range: 86 ~ 106kPa
Contact Us for a Quote Today
For more details about our products, pricing, and shipping information, feel free to reach out. We look forward to providing you with the best service possible!
| Product name | Portable single gas detector | |||
| Measuring gas | O2 | CO | H2S | Combustible |
| Measuring range | 0-25%VOL | 0-500ppm | 0-100ppm | 0-100%LEL |
| More Sensor | N2 Ar H2 CL2 HCL HF CO2 SO2 NO2 SF6 etc | |||
| Measuring type | Pump suction | |||
| Response time | T90<30s | |||
| Display | LCD screen | |||
| Audible | ≥85dB at 1m | |||
| Alarm method | Visual, audible and vibrative signals | |||
| Battery | DC3.7V 2700mAh Lithium battery | |||
| Operating time | ≥8h | |||
| Data log | 100,000 events | |||
| Working temperature | Toxic gases: -20℃～50℃ Combustible: -40℃～70℃ | |||
| Working humidity | <95%RH (no condensation) | |||
| Housing | Rubber enclosure | |||
| Standard accessories | Operation manual, charger, USB cable | |||
| Dimension & weight | 200.5*64.8*35.5mm, about 460g | |||
| Ex grade | Ex ia IIC T4 Gb | |||
| Ingress protection | IP65 | |||
Color Customization To Create a Unique Appearance
Recent News
Meet Safewill at the 11th Wuhan International Pipeline Expo
November 13, 2024
Eyesky & Safewill, a leading manufacturer and trader committed in advanced gas detection equipment and solutions, proudly participated in the 11th Chinese International Pipeline Expo in Wuhan.
The Role and Benefits of Nitrogen Flushing in Food Packaging
January 09, 2025
In the food industry, maintaining the freshness, quality, and safety of products is a top priority. One effective method that has become standard practice is nitrogen flushing.
The Vital Importance of Environmental Air Quality Monitoring
January 13, 2025
In an era marked by rapid industrialization and urban expansion, the importance of monitoring environmental air quality has never been more critical. The air we breathe directly impacts public health, environmental sustainability, and overall quality of life. Understanding the value of air quality monitoring can help drive solutions that protect both people and the planet.
Safewill Deepens Partnership with Indonesian Client
February 21, 2025
In February 2025, Safewill welcomed a team of 7 from its Indonesian client company for an in-depth collaboration meeting and technical demonstration. The team visited Safewill’s production line and received one-on-one calibration training in the calibration room.
