0102030405
Portable MR-A Ambient Air Quality Monitor from China Suppliers and Factory - High Precision Detection
Fits For Models
- Using ppb level sensors, the instrument has high detection accuracy and stable performance;
- IP65 outdoor application design, waterproof, shockproof, anti-corrosion, and salt spray resistant;
- Adopt military electronics design circuit, with temperature, humidity and zero point compensation;
- Built-in imported constant flow sampling pump, more stable monitoring and faster response;
- The product adopts a modular design, and key modules can be easily disassembled and sent back to the manufacturer for calibration and calibration, making it easy to maintain;
- Embedded LCD touch screen design, graphics, curves, charts and other display methods;
- Automatically calculate hourly average, daily average, weekly average, monthly average, historical data query and other functions for easy use;
- Automatic conversion of monitoring data units, mg/m3, ppb, ppm;
Application areas
- Ambient air quality evaluation and monitoring
- Urban ambient air quality monitoring
- Traffic road monitoring
- Scenic area environmental monitoring
- Supplement monitoring of state-controlled sites
- Monitoring of key areas
- Industrial park factory boundary monitoring
Detection parameters
| Detection parameters | Measuring range | Resolution | Accuracy | Measurement principle |
|---|---|---|---|---|
| Sulfur dioxide SO2 | (0~2000)×10-9 | 1×10-9 | ≤±2%F.S | constant potential electrolysis |
| Nitrogen dioxide NO2 | (0~2000)×10-9 | 1×10-9 | ≤±2%F.S | constant potential electrolysis |
| Carbon monoxide CO | (0~50.00)×10-6 | 0.01×10-6 | ≤±2%F.S | constant potential electrolysis |
| Ozone O3 | (0~2000)×10-9 | 1×10-9 | ≤±2%F.S | constant potential electrolysis |
| PM2.5 | (0.001~10)mg/m3 | 0.001 | ±5%F.S | Laser scattering |
| PM10 | (0.001~10)mg/m3 | 0.001 | ±5%F.S | Laser scattering |
Technical Indicators
| Parameter | Specification |
|---|---|
| Sensor life | Electrochemical sensors 2 years Infrared and PID sensors 5 years |
| Accuracy | ≤± 2%F.S |
| Linear | ≤± 2%F.S |
| Zero drift | ≤± 2%F.S |
| Response time | <60S |
| Operating temperature | -40℃~+55℃ |
| Storage temperature | -40℃~+60℃ |
| Working humidity | 15%~95%RH (No condensation) |
| Work pressure | 65.1~115kPa |
| Way of working | Continuously working |
| Sampling flow | 300mL/min (gas) 2.83L/min (particulates) |
| Sampling method | Constant current sampling pump |
| Show | Embedded 7-inch LCD touch screen |
| Data interface | USB, RS485/RS232, GPRS (Optional) |
| Protection level | IP65 |
| Working power supply | 110VAC~240VAC 50Hz 1.0A; Built-in lithium battery can work continuously for 8~10 hours (can be extended to 20 hours) |
| Power consumption | 80mA@220V AC |
| Total Weight | 18KG |
| Dimensions | 500x310x460 (length x width x height) |
Frequently Asked Questions (FAQ)
Q1: What is the lifespan of the sensors used in this instrument?
The sensor lifespan depends on the type: electrochemical sensors last up to 2 years, while infrared and PID sensors offer a longer service life of up to 5 years.
Q2: Can this air quality monitor be used in harsh outdoor environments?
Yes. The device is designed with an IP65 protection level, making it waterproof, shockproof, anti-corrosion, and resistant to salt spray for reliable outdoor applications.
Q3: What parameters can the system detect and what are their measurement principles?
It detects key air pollutants including SO2, NO2, CO, and O3 using the constant potential electrolysis principle, as well as PM2.5 and PM10 particles via the laser scattering method.
Q4: Does the device support internal battery operation during power outages?
Yes, it features a built-in lithium battery that supports 8 to 10 hours of continuous operation, which can be extended up to 20 hours if required.
Q5: How can users extract or transmit data from the system?
The system supports multiple data interfaces including USB, RS485, RS232, and optional GPRS for convenient remote data transmission and integration.
Q6: How easy is it to maintain and calibrate the device?
Thanks to its modular design, key components and modules can be easily disassembled and sent back to the manufacturer for calibration, minimizing downtime and simplifying maintenance.



