industrial gas detector o2 pump suction Oxygen analyzer
Detection gas:O2/Oxygen
Range:0-30%VOL (0-25%VOL) / 0-100%VOL
Detection Principle:Electrochemistry
Resolution:0.1%VOL/0.01%VOL
Detection Accuracy:±2%F.S
Model:HNAG920
Product Description
Product parameters
|
Measure gas |
O2 |
Detection principle |
Electrochemistry |
|
Gas range |
0-30%vol/0-100%vol |
Resolution |
0.01%vol/0.1%vol |
|
Sampling accuracy |
±1%F.S |
Response time |
T90<10S |
|
Working temperature |
-20 to 50℃ |
Working humidity |
0-95%RH |
|
Screen size |
2.0-inch LCD, 320*240 |
Charging interface |
Type-C |
|
Battery capacity |
2400mA |
Working air pressure |
86kpa-106kpa |
|
Working voltage |
DC5V±1%/DC24±1% |
Output method |
USB |
|
Sampling method |
Pump suction and diffusion |
Warranty period |
One year |
|
External dimensions |
42.5×78.2×41.6mm |
Sensor service life |
1 to 3 years |
|
Protection grade |
IP65 |
Explosion-proof grade |
Ex ib ll CT4 Gb |
|
Data storage |
120,000 entries |
Alarm record |
30,000 entries |
|
Material |
PC+TPU |
Overall weight of the machine |
About 380g |
|
Alarm Settings |
The standard configuration is two-level alarm, and the alarm mode can be set: high and low alarm |
||
|
Communication method |
Transmission modes such as 4G/wifi/ Bluetooth /Lora wireless |
||
|
Calibration method |
Primary calibration, secondary calibration, and tertiary calibration |
||
|
Optional accessories |
High-temperature sampling handle (Customized sampling handles of different temperatures according to the detection temperature) |
||
Product features of Portable pump suction diffusion type combustible gas concentration detector
● Equipped with a 32-bit microprocessor and high-speed, high-precision processing circuitry for fast and accurate measurements
● Features an external USB port for data export and deletion via USB cable connection to a computer
● Supports up to 5 different sensors for flexible detection
● Built-in buttons for easy parameter viewing and configuration
● Allows unit switching (e.g., ppm ↔ mg/m³) through coefficient adjustment
● Customizable historical data storage intervals
● Supports Chinese/English language display switching
● Fall alarm / one-touch emergency alarm function
● 180° auto-rotating screen
● Temperature & humidity compensation
● PC+TPU (rubber overmolding process) for impact resistance
Instrument illustration
Accessories
Precautions for Use
● When charging the detector, please do so in a safe location and use a compliant charger with 5V/2A or higher.
● For first-time use, fully charge the battery before operation.
● During daily use, avoid exposing the detector to gas concentrations beyond its measurement range to prevent irreversible damage.
● Do not use the detector in harsh environments with extreme temperatures, high pressure, or excessive humidity. If ambient humidity is high,
perform dehumidification filtration before detection.
● If sensor failure occurs, contact the manufacturer’s after-sales service.
● Under normal usage, the sensor's effective lifespan is 24–36 months. During this period, perform calibration checks every 6 months or 1 year
(depending on the working environment) to ensure accurate gas monitoring. Sensors exceeding their lifespan or showing faults must be replaced.
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