Multi Gas Detector
| Brand | Safewill |
| Model | ES30A |
| Weight | 182g |
| Certificates | CE, RoHS, ATEX, FCC, SIL |
| Detecting Gas | EX, O2, H2S, CO |
| Measuring range | EX: 0-100%LEL, O2: 0-30%VOL, H2S: 0-100ppm, CO: 0-500ppm |
The Portable Multi gas detector adopts advanced 32-bit low-power embedded microcontroller
◆ Equipped with normal monitoring indicator lights, fault lights, and alarm lights
◆ Portable Multi gas detector has the function of setting up upper computer software and viewing relevant parameters
STN type large screen LCD display
◆ Full function self-test upon startup: sensor, battery level, circuit, and alarm functions
Users can set their own high and low alarm points, and the screen displays the alarm category
Calibration menu: One click calibration, convenient for users to calibrate
Real time display of battery level, low voltage prompt, automatic low voltage shutdown
◆ Portable Multi gas detector with real-time clock function
◆ Equipped with automatic temperature compensation function
◆ 4 in 1 gas detector replaceable modular sensors
◆ Two level (low alarm, high alarm) triple alarm (sound, light, vibration), not easy to ignore
◆ Alarm record storage: 500 records
◆ Password management function, important operations require password verification, effectively preventing accidental operations
On the menu interface, if no menu operation is performed within 30 seconds, it will automatically return to the monitoring interface.
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| Product name | Portable multi gas detector | |||
| Measuring gas | O2 | CO | H2S | Combustible |
| Measuring range | 0-25%VOL | 0-500ppm | 0-100ppm | 0-100%LEL |
| Sensor type | Electrochemical | Electrochemical | Electrochemical | Catalytic |
| Measuring type | Diffuse naturally | |||
| Response time | T90<30s | |||
| Display | LCD screen | |||
| Audible | ≥85dB at 1m | |||
| Alarm method | Visual, audible and vibrative signals | |||
| Battery | DC3.7V 1500mAh Lithium battery | |||
| Operating time | ≥8h | |||
| Event 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, calibration cap, charger, screwdriver, USB cable | |||
| Dimension & weight | 124x65x50mm, about 182g | |||
| Ex grade | Ex ia IIC T4 Gb | |||
| Ingress protection | IP65 | |||
Color Customization To Create a Unique Appearance
Recent News
Danish Client Visits Safewill Factory to Advance CO₂ Gas Detector OEM Cooperation
January 22, 2026
Recently, a Danish client visited Shenzhen Safewill Technology Co., Ltd. for a factory audit and business meeting focused on OEM cooperation for CO₂ gas detectors. The visit aimed to finalize technical details and evaluate Safewill as a long-term manufacturing partner for the European market.
Congo Client Visits Safewill Factory and Confirms Cooperation with 7 AQM Units
January 08, 2026
After a series of technical discussions and hands-on equipment evaluations, the Congo client confirmed the purchase of 7 AQM sample units, covering PM2.5, PM10, CO, CO2, O3, SO2, NO2, temperature, humidity, and meteorological parameters. These sample units will be deployed in multiple pilot locations within Congo to support early-stage environmental assessment projects.
Safewill Launches 2025 Christmas Promotion — Up to 10% Off Gas Detection & Air Quality Solutions
December 09, 2025
Shenzhen, China – December 2025— As the festive season approaches, Shenzhen Safewill Co., Ltd. is delighted to announce its annual Christmas Promotion, offering customers exclusive discounts across a wide range of gas detection and environmental monitoring products. The campaign aims to support global partners, distributors, and end users with high-quality safety solutions at year-end special prices. During the promotion period, customers can enjoy up to 10% OFF
Brazilian Client Visits Factory and Purchases 10 Units of AQM
August 19, 2025
This week, our company was honored to welcome a client from Brazil to our factory. During the visit, the client learned more about our production process and product innovation, showing great confidence in our technology and quality.
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.
