ES20B Portable Pump-Suction Gas Detector is the smart, simple, economical way to compliance. Workers feel safe, and incidents are minimized, so everyone will be able to do more. That means savings realized from business continuity and productivity. The most user-friendly, reliable, and cost-effective way to ensure safety, compliance, and productivity.
ES20B Product Description
ES20B is a self-developed portable gas detector, with an aluminum alloy shell, excellent performance, and various indicators, using original imported sensors and a low-power ARM processor; an independent high-precision imported ADC analog-to-digital conversion chip, a unique signal processing algorithm, accurate and stable measurement results; a 2.5-inch LCD dot matrix display, readings are intuitive and generous
Key Features
Intelligent Monitoring: Features Intelligent Internet of Things capabilities with remote alarm information push (requires optional networking module).
Smart Alerts: Equipped with both sound and light alarms, accompanied by real voice prompts for clear warnings.
Enhanced Visibility: Designed with a backlight for clear data visualization, even at night.
Reliability: Includes self-checking, silencing, and an alarm record function to track history.
Dual Detection (Model JMT/Y-H502): Capable of simultaneous detection of two gases (CO and CH4/C3H8).
Flexible Power: Supports varied power supply methods depending on the model, including battery backup for the CO model.
Technical Specifications
| Feature | JM-H501 (CO Model) | JMT/Y-H502 (Combo Model) |
| Detecting Gas | CO, CH4, C3H8 | CO, CH4, C3H8 |
| Measurement Range | CO: 0-500ppm |
CO: 0-500ppm
CH4/C3H8: 0-50% LEL |
| Power Supply | DC 5V Adapter or 3x 1.5V AA Batteries | AC 220V Adapter or DC 12V |
| Alarm Sound | ≥80dB/m | ≥80dB/m |
| Alarm Output | Sound/Light, Voice Prompt, Relay, Remote Push | Sound/Light, Voice Prompt, Relay, Remote Push |
| Communication | Optional: 4G-Cat1 / LoRa / RS485 / NB | Optional: 4G-Cat1 / LoRa / RS485 / NB |
| Working Environment | -10℃ ~ 50℃ | 10% ~ 95% RH (No condensation) |
| Lifespan | 2 Years | 2 Years |
| Dimensions | 100 x 100 x 42 mm | 100 x 100 x 42 mm |
| Weight | 200g | 200g |
| Installation | Ceiling / Wall Mount | Ceiling / Wall Mount |















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