Vigilance Series Portable Acetylene Quadruple Gas Detector

The Sentry Series portable ammonia four-in-one gas detector is an intrinsically safe device capable of continuously detecting combustible gas concentrations and toxic gas concentrations. It is suitable for explosion-proof applications, toxic gas leak emergencies, underground pipelines, or mines, effectively ensuring the safety of personnel and preventing damage to production equipment. The Sentry Series portable ammonia four-in-one gas detector utilizes natural diffusion for gas detection, with high-quality gas sensors as the sensing elements, providing excellent sensitivity and repeatability. The detector features embedded microcomputer control, offering simple operation, comprehensive functionality, high reliability, and multiple adaptive capabilities. It uses a graphical liquid crystal display for intuitive and clear visualization. The compact and aesthetically pleasing portable design not only makes it attractive but also convenient for mobile use. The detector’s casing is made of high-strength engineering plastic combined with anti-slip rubber, providing high strength, good hand feel, and waterproof and dustproof capabilities.

Product Features

The detector utilizes an advanced ultra-low power consumption 16-bit microcontroller ☆ Ultra-wide viewing angle graphic LCD display ☆ High and low alarm points can be set, with two-level alarming, and the alarm category is displayed on the screen ☆ The calibration concentration value is adjustable, facilitating user calibration ☆ High-concentration protection function for combustible gas sensors ☆ Combustible gas sensor fault self-check ☆ Battery undervoltage indication ☆ Provides real-time clock display ☆ Replaceable modular sensors ☆ Automatic calibration function to minimize detection errors

Product Specifications

1. Performance
Gas Detection: Capable of accurately detecting four gases simultaneously Detection method: Diffusion or pump-aspirated Measuring range: consult the manufacturer Detection principle: Consult the manufacturer Accuracy: ≤±3%F.S; (actual concentration, higher accuracy requirements are determined based on sensor performance) Repeatability: ±2%
Response time: T90 < 30S (response times vary among different gas sensors) 2. Electrical characteristics
Operating voltage: DC3.7V Charging time: ≤4 hours Operating time: >20 hours (at room temperature, without alarms) Power consumption: < 3W Battery capacity: 7500mAh lithium battery, nominal voltage: 3.7VDC Alarm mode: Sound, light, vibration, screen indication Indication mode: LCD display of real-time data and system status, LED, audible, and vibrating alarm indications, fault and under-voltage indications 3. Structural Features
Main material: ABS+PC Weight: approximately 350g Size: 147mm×76mm×37mm (length × width × height)

4. Output
Data transmission: USB, 4G, NB-IoT 5. Electrical usage environment Protection level: IP54 Temperature range: -20℃ to +50℃ Humidity range: 10~95%RH (non-condensing) Pressure range: 86~106KPa