Single Gas Detector
| Title | Single Gas Detector |
| Brand | Safewill |
| Model | ES20B |
| Weight | About 0.46kg |
| Size | 200.5*64.8*35.5mm |
| Main material | Aluminum alloy |
| Certificates | CE, FCC, Atex, SIL, RoHS, ISO14001, ISO9001, ISO45001 |
ES20B Portable Single-Gas Detector: Precision and Portability for Gas Leak Detection
The ES20B is a robust and highly portable single-gas detector, designed specifically for detecting gas leaks. Crafted from premium aluminum alloy, it offers both durability and a sleek design, meeting diverse safety detection needs across multiple scenarios. Below are its detailed features and performance advantages:
Features
Accurate Detection
High-Performance Sensor: Ensures precise and rapid gas leak detection.
Intelligent Algorithm: Supports multi-point calibration and temperature compensation for enhanced measurement accuracy.
User-Friendly Operation
Navigation Keys: Paired with an intuitive interface for easy operation.
Language Support: Offers dual-language interface options (English/Chinese) to suit various users.
Pump Suction Sampling
High-Performance Pump: Stable flow with an on/off pump suction feature, providing flexible operation.
Outstanding Performance
Data Storage: Capable of storing up to 100,000 data sets for long-term recording and traceability.
Flexible Range: Customizable measurement ranges with default options of 0–20ppm, 50ppm, and 200ppm.
Alarm Function: Includes sound and light alarms to alert users of over-limit gas concentrations.
Long Battery Life: Powered by a 2600mAh high-capacity lithium battery, offering over 20 hours of continuous operation with a charging time of ≤6 hours.
The ES20B is the perfect solution for precise and efficient gas leak detection, combining superior materials, advanced features, and practical usability to ensure safety in every scenario.
Basic Information
| Operating & Storage Environment | Temperature: -20℃～+50℃ | ||
| Humidity: 15%～95%RH | |||
| Sampling method | Pump suction type | ||
| Sensor life | 2 years | ||
| Accuracy | ±3%F.S | ||
| Response time | <30s | ||
| Battery | Rechargeable lithium battery 2600mAh | ||
| Explosion-proof | EXiaIICT4 | ||
Optional Gases
| No. | Detected Gas | Detecting Scope | Optional Range | Resolution | Low/High Alarm Point |
| 1 | EX | 0-100%lel | 0-100%vol(Infrared) | 1%lel/1%vol | 20%lel/50%lel |
| 2 | O2 | 0-30%vol | 0-30%vol | 0.1%vol | 19.5%vol/23.5%vol |
| 3 | H2S | 0-100ppm | 0-50/200/1000ppm | 0.1ppm | 10ppm/20ppm |
| 4 | CO | 0-1000ppm | 0-500/2000/5000ppm | 1ppm | 50ppm/150ppm |
| 5 | CO2 | 0-5000ppm | 0-1%/5%/10%vol(Infrared) | 1ppm/0.1%vol | 1000%vol/2000%vol |
| 6 | NO | 0-250ppm | 0-500/1000ppm | 1ppm | 50ppm/150ppm |
| 7 | NO2 | 0-20ppm | 0-50/1000ppm | 0.1ppm | 5ppm/10ppm |
| 8 | SO2 | 0-20ppm | 0-50/1000ppm | 0.1/1ppm | 5ppm/10ppm |
| 9 | CL2 | 0-20ppm | 0-100/1000ppm | 0.1ppm | 5ppm/10ppm |
| 10 | H2 | 0-1000ppm | 0-5000ppm | 1ppm | 50ppm/150ppm |
| 11 | NH3 | 0-100ppm | 0-50/500/1000ppm | 0.1/1ppm | 20ppm/50ppm |
| 12 | PH3 | 0-20ppm | 0-20/1000ppm | 0.1ppm | 5ppm/10ppm |
| 13 | HCL | 0-20ppm | 0-20/500/1000ppm | 0.001/0.1ppm | 5ppm/10ppm |
| 14 | CLO2 | 0-50ppm | 0-10/100ppm | 0.1ppm | 5ppm/10ppm |
| 15 | HCN | 0-50ppm | 0-100ppm | 0.1/0.01ppm | 10ppm/20ppm |
| 16 | C2H4O | 0-100ppm | 0-100ppm | 1/0.1ppm | 20ppm/50ppm |
| 17 | O3 | 0-10ppm | 0-20/100ppm | 0.1ppm | 2ppm/5ppm |
| 18 | CH2O | 0-20ppm | 0-50/100ppm | 1/0.1ppm | 5ppm/10ppm |
| 19 | HF | 0-100ppm | 0-1/10/50/100ppm | 0.01/0.1ppm | 2ppm/5ppm |
| Note: The above table is a general parameter. If you need other gas and range, please contact us for more details. | |||||
Color Customization To Create a Unique Appearance
Related Products
Recent News
Indonesian Customer Visits Factory
August 08, 2025
During the visit, our engineers worked closely with the customer’s technical team to resolve on-site technical issues, including connecting our equipment to the customer’s own system. The successful integration and smooth operation left a strong impression. As a result, the customer immediately confirmed and signed an order.
Safewill Launches Portable Pinhole‑Type Nitrogen Detector to Boost Food Packaging Safety
July 10, 2025
The Portable Pinhole‑Type Nitrogen Detector (Model ES20B), designed to revolutionize food packaging safety and quality control. This compact, pump‑suction gas detector is engineered to precisely monitor nitrogen (N₂) levels and detect residual oxygen (O₂) and carbon dioxide (CO₂) inside sealed packages—ensuring optimal freshness and shelf life.
Safewill Launches Popular Handheld Dust Monitor ES80A-PDM for Flexible Air Quality Monitoring
June 28, 2025
Safewill, a leading manufacturer and supplier of gas detectors and air quality monitoring systems, has introduced its handheld dust monitor ES80A-PDM, gaining significant popularity in both domestic and international markets.
June 18, 2025
Safewill is proud to announce its participation in the Emergency Disaster Reduction and Rescue (EDRR) Expo 2025, one of Southeast Asia’s leading events focused on disaster preparedness, emergency response, and safety technologies. The exhibition will be held from August 13 to 15, 2025, at the Jakarta International Expo, with Safewill located at Hall A2, Booth H26.
Ghana Client Adopts Customized Outdoor Air Quality Monitoring System with Rainfall Module
June 12, 2025
In a new step toward global environmental monitoring cooperation, a customized Outdoor Air Quality Monitoring System—based on Safewill’s advanced solution for multi-parameter pollution tracking—has been successfully delivered to a client in Ghana. This solution integrates NO₂, SO₂, CO, O₃, VOC, PM2.5, PM10, TSP, and meteorological sensors, and has been specially upgraded with a rainfall monitoring module to meet local environmental research needs.
