Portable Pump-Suction 3-in-1 Gas Detector
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Model: HNAG920-3H
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Detection: CH4 ; C3H8 ; H2
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Detection Principle: Catalytic combustion; Electrochemistry; Infrared NDIR
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Detection range: CH4: 0-100%LEL; C3H8: 0-1000PPM; H2: 0-1000PPM
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Product Description
High-Precision Portable Pump-Suction 3-in-1 Gas Detector
The HNAG920-3H portable pumping gas detector is engineered for the real-time, highly accurate detection of gas concentrations and leakages in complex industrial environments. Designed to monitor CH4 (Methane), C3H8 (Propane), and H2 (Hydrogen) simultaneously, it leverages an advanced combination of Catalytic combustion, Electrochemistry, and Infrared NDIR principles to deliver fast response times (T90 < 10S) and exceptional measurement stability (±3% F.S accuracy).
Dual Sampling Modes & Intrinsically Safe Design
This versatile analyzer seamlessly integrates both active pump-suction and passive diffusion modes into a single compact unit. The robust housing is constructed from PC+TPU material utilizing a rubber overmolding process for superior impact resistance. With an IP65 protection grade and an Ex ib ll CT4 Gb explosion-proof certification, this device guarantees safe and reliable operation in highly volatile petrochemical sites.
Intelligent Safety Features & 180° Rotating Screen
Worker safety is significantly enhanced with the inclusion of a highly sensitive fall alarm and a one-touch emergency alarm function, ensuring rapid response during accidents. The unit features a 2.0-inch color LCD (320*240 resolution) equipped with an innovative 180° auto-rotating screen, allowing operators to easily monitor gas levels, alarms, and battery status regardless of how the device is clipped or held.
Extensive Data Storage & Wireless IoT Connectivity
Driven by a powerful 32-bit microprocessor, the device boasts an immense internal memory capable of storing up to 120,000 historical data entries and 30,000 alarm records. Users can effortlessly export this data to a computer via the external USB Type-C port. Furthermore, it supports modern IoT integration through 4G, WiFi, Bluetooth, and LoRa wireless transmission modes, facilitating real-time remote monitoring and cloud data management.
Frequently Asked Questions (FAQ)
Q1: Which specific gases does this multi-gas detector measure?
A: This configured 3-in-1 model simultaneously measures Methane (CH4), Propane (C3H8), and Hydrogen (H2) utilizing specialized NDIR, Catalytic, and Electrochemical sensors.
Q2: What is the battery capacity and charging method?
A: The detector is equipped with a high-capacity 2400mAh built-in lithium battery. It can be conveniently charged using the universal Type-C interface.
Q3: How does the integrated pump-suction mode work?
A: The built-in active pump efficiently draws distant air samples into the sensor chamber, providing faster response times for confined space testing before entry, while the diffusion mode passively monitors the surrounding air for continuous personal protection.
Q4: Can I retrieve historical gas readings without specialized software?
A: Yes. The device stores up to 120,000 historical data entries. You can connect the device directly to your PC via the USB port to export and view the data tables effortlessly.
Q5: What are the primary applications for this detector?
A: It is widely applied in petroleum, petrochemicals, chemical plants, underground gas pipelines, tunnel construction, sewage treatment, and any industrial confined space requiring rigorous gas process control and safety monitoring.
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