Portable 5-in-1 Gas Detector O2 CO CO2 NO SO2 Monitor
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Model: HNAG920-5H
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Detection: O2 ; CO ; CO2 ; NO ; SO2
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Detection Principle: Electrochemistry; Infrared NDIR
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Detection range: O2 0-30%VOL ; CO 0-1000PPM ; CO2 0-2000PPM ; NO 0-250PPM ; SO2 0-20PPM（Customized multi-gas ranges）
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Product Description
Advanced Portable 5-in-1 Gas Detector for Comprehensive Safety
The HNAG920-5H portable 5-in-1 gas concentration detector is engineered for real-time and accurate monitoring of multiple hazardous and vital gases, including O2, CO, CO2, NO, and SO2. Built with a rugged ABS/PC+TPU overmolded housing, it offers an IP65 protection grade and Ex ib II CT4 Gb explosion-proof rating, making it a reliable tool for extreme industrial environments.
Dual Sampling Modes: Pump Suction and Diffusion Integration
This versatile multi-gas monitor integrates both pump suction and natural diffusion sampling modes into a single compact unit. Equipped with a built-in micro sampling pump and a top water trap filter, it effectively screens out moisture, dust, and oil impurities to protect internal sensors and maintain precise response times (T90<10S).
High-Precision Electrochemical & NDIR Sensor Technology
Utilizing top-tier electrochemical and Infrared NDIR detection principles, the instrument ensures high measurement accuracy (±3%F.S). Its 2.0-inch color LCD screen supports a 180° auto-rotating display, ensuring crystal-clear readability from any angle during on-site inspections.
Smart IoT Connectivity and Massive Data Storage
Designed for modern smart industries, this wireless gas detector supports 4G, WiFi, Bluetooth, and LoRa transmission modes to sync data to mobile devices, cloud servers, or control rooms.
Large Capacity: Stores up to 120,000 historical data entries and 30,000 alarm records.
Easy Export: Features a Type-C USB interface for direct data export and report generation on computers without extra software.
Rugged Portability and Industrial Applications
Weighing about 380g and powered by a 2400mAh rechargeable lithium battery, it supports shift-long operations. It is widely used in petroleum, petrochemicals, chemical plants, metal smelting, and confined space entry safety protection. Each unit is shipped in a protective aluminum carrying case.
Frequently Asked Questions (FAQ)
Q1: How often should the sensors be calibrated and replaced under normal conditions?
A1: The effective lifespan of the sensors is typically 24 to 36 months. Routine calibration checks should be performed every 6 months to 1 year depending on the working environment, and expired or faulty sensors must be replaced promptly.
Q2: Can the device switch between pump suction and diffusion modes?
A2: Yes, it supports an integrated pump suction and diffusion design, allowing you to switch based on whether you need active remote sampling or passive ambient monitoring.
Q3: How do I export historical alarm and concentration logs?
A3: You can connect the detector directly to a computer via the Type-C USB port to export up to 120,000 data logs and 30,000 alarm events for analysis.
Q4: Does the detector support wireless data transmission for remote monitoring?
A4: Yes. The device supports multiple wireless communication modes including 4G, WiFi, Bluetooth, and LoRa, enabling remote data uploading to mobile devices, cloud platforms, or central control centers.
Q5: What kind of safety alarms are integrated into this portable monitor?
A5: It features standard two-level high and low alarm settings, loud buzzer alerts, flashing LED lights, a built-in fall alarm, and a convenient one-touch emergency alarm button for immediate worker safety protection.
Q6: What precautions should be taken when charging or operating the device?
A6: Please charge the detector in a safe location using a compliant 5V/2A or higher charger. During daily use, avoid exposing the sensors to gas concentrations beyond their specified measurement range to prevent permanent damage.
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