Portable 2-in-1 Gas Detector CO and O2 Monitor
Model: HNAG920-2H
Detection: CO (Carbon Monoxide), O2 (Oxygen)
Detection Principle: Electrochemistry
Detection range: CO (0-1000ppm); O2 (0-30%vol)
Product Description
Portable 2-in-1 CO and O2 Gas Concentration Detector
The HNAG920-2H-Z portable pumping 2-in-1 gas concentration detector is designed for real-time and precise detection of carbon monoxide (CO) and oxygen (O2) concentrations and leakages across demanding industrial setups. Encased in impact-resistant PC+TPU rubber overmolding housing with an IP65 protection grade, it offers superior durability against drops and harsh field conditions.
Dual Sampling: Pump Suction and Diffusion Integration
This versatile portable gas leak detector supports both pump suction sampling and natural diffusion modes within a single device. Powered by an integrated micro sampling air pump, it rapidly draws gas samples through the top water trap filter to remove moisture and dust before measurement.
High-Precision Electrochemical Sensor Technology
Utilizing imported high-accuracy electrochemical sensors, the detector measures CO (0-1000ppm) and O2 (0-30%vol) with a fast response time (T90<10S) and sampling accuracy of ±3%F.S. Data is clearly displayed on a 2.0-inch color LCD screen (320*240 resolution) that features a 180° auto-rotating display for easy reading at any angle.
Massive Data Storage and Wireless IoT Connectivity
The instrument stores up to 120,000 data logs and 30,000 alarm events, which can be exported via USB Type-C cable connection to a computer. For intelligent plant integration, it supports 4G, WiFi, Bluetooth, and LoRa wireless data transmission modes.
Built-in Alarms and Practical Industrial Design
Safety functions include customizable two-level high/low alarms, a fall alarm, and a one-touch emergency button for immediate worker assistance. A heavy-duty back clip ensures secure wearing on work uniforms.
Frequently Asked Questions (FAQ)
Q1: What is the battery capacity and operating time of this 2-in-1 gas detector?
A1:The detector is powered by a built-in 2400mAh rechargeable lithium battery and charges conveniently via a standard Type-C USB interface (5V/2A).
Q2: Can this device be expanded to measure other gases?
A2: Yes. While this standard model measures CO and O2, the HNAG920 platform can be expanded to detect up to 5 different gases simultaneously.
Q3: What certifications and safety standards does this monitor comply with?
A3:The device carries Ex ib II CT4 Gb explosion-proof certification and complies with GB/T 3836.1-2021 and GB/T 3836.4-2021 industrial explosion-proof standards.
Q4: How does the device handle sample gas filtration in dusty or moist environments?
A4: The detector is equipped with an external water trap filter at the pump inlet, which effectively traps moisture, oil, dust, and other impurities to protect the internal components and ensure stable readings in harsh industrial settings.
Q5: What safety features are included for workers in hazardous situations?
A5: The device comes with standard two-level high and low alarm settings, an integrated buzzer, flashing LED alarm lights, a fall alarm function, and a one-touch emergency alarm button for rapid response.
Q6: How often should the sensors be calibrated and replaced?
A6: Under normal usage, the effective lifespan of the sensors is 24 to 36 months. It is recommended to perform calibration checks every 6 months to 1 year depending on the working environment, and replace sensors that show faults or exceed their lifespan.
Q7: What are the operating temperature and humidity limits for this portable detector?
A7: The detector is designed to operate smoothly in temperatures ranging from -20°C to 50°C and a working humidity of 0-95%RH (non-condensing). For high-humidity environments, preliminary dehumidification and filtration are recommended before testing.
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