Temtop PMD371 Professional Particle Counter, Handheld Aerosol Dust Monitor with 7 Channels (0.3-10μm), PM2.5/PM10/TSP, Ideal for Cleanrooms, Construction Sites & Industrial Air Quality Monitoring

• Multi-channel Output: Capable of simultaneously detecting particles of seven different sizes (0.3µm, 0.5µm, 0.7µm, 1.0µm, 2.5µm, 5.0µm, 10.0µm) and measuring the concentration of five different particulate matter (PM1, PM2.5, PM4, PM10, and TSP).
• Ease of Use: Equipped with a large display screen and seven buttons, making operation simple and suitable for quick detection in various scenarios.
• Long-lasting Battery: Built-in high-performance lithium battery supports continuous operation for 8 hours.
• Large Storage Capacity: Integrated 8GB of large storage capacity, allowing convenient data storage.
• Data Transmission: Supports USB and RS-485 communication modes, facilitating easy data export and analysis.
• System Settings: Users can customize system settings such as time, sampling units, sampling mode, sampling time, hold time, language, backlight brightness, and auto-shutdown.
• Calibration Function: Supports zero-point calibration, flow calibration, and K-factor calibration to ensure measurement accuracy.
• Data Management: Offers data query, historical download, and history deletion functions, simplifying data management.
• Real-time Interaction: Supports real-time interaction via RS-485 serial communication based on the Modbus RTU protocol.
• Easy Maintenance: Provides maintenance plans and calibration accessories to ensure long-term stable operation of the device.

Specifications:

Model: PMD 371
Dimensions: 170 mm * 110 mm * 48 mm
Weight: 850g
Power Supply: Built-in high-performance lithium battery
Operating Time: Up to 8 hours
Storage Capacity: 8GB
Display: Large display screen
Buttons: 7 operation buttons

Detection Range:

Particle Count: 0-3,000,000 CF (particles per cubic foot)
PM1.0, PM2.5, PM4.0, PM10, TSP: 0~9999.9 µg/m³
Accuracy: ±10%
Resolution: 0.1 µg/m³
Sampling Time Settings: 1 min, 2 min, 5 min, 10 min, 15 min, 30 min, 60 min
Communication Modes: USB and RS-232
Data Points Recordable: 2,000,000
Light Source: 50mW, 780nm
Flow Rate: 2.83 L/min; error ±5%

Detection Function and Measurement Accuracy:

Particulate Matter Detection:
PM2.5: Accuracy ±10 µg/m³ (0~100 µg/m³), ±10% (100~999 µg/m³), resolution 0.1 µg/m³, measurement range: 09999.9 µg/m³ (0~10 mg)
PM10: Accuracy ±15 µg/m³ (0~100 µg/m³), ±15% (100~990 µg/m³), resolution 0.1 µg/m³, measurement range: 0~9999.9 µg/m³
PM1.0: Accuracy ±10 µg/m³ (0~100 µg/m³), ±10% (100~999 µg/m³), resolution 0.1 µg/m³, measurement range: 0~9999.9 µg/m³
PM4.0: Accuracy ±10 µg/m³ (0~100 µg/m³), ±10% (100~999 µg/m³), resolution 0.1 µg/m³, measurement range: 0~9999.9 µg/m³
TSP: Accuracy ±20 µg/m³ (0~100 µg/m³), ±20% (100~30,000 µg/m³), resolution 0.1 µg/m³, measurement range: 0~9999.9 µg/m³

Particle Count: Seven channels for particles sized 0.3µm to 10µm (0.3µm, 0.5µm, 0.7µm, 1.0µm, 2.5µm, 5.0µm, 10µm), resolution: 1 particle/cubic foot, measurement range: 0-3,000,000 CF. Four switchable units: /L, /CF, /m³, TC.