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CÔNG TY TNHH THƯƠNG MẠI VÀ CÔNG NGHỆ THÔNG MINH
CÔNG TY TNHH THƯƠNG MẠI VÀ CÔNG NGHỆ THÔNG MINH

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Temtop PMD 371

The Temtop PMD 371 is a high-end handheld device for particle counting/air pollution monitoring, capable of simultaneously measuring the number of particles of 7 different sizes (0.3 µm to 10 µm) and the concentration of various particulate matter (PM1, PM2.5, PM4, PM10, TSP) in a single device. It features a large display, multi-button control interface, large internal memory (8 GB), and supports data transmission via USB or RS-485 (Modbus RTU) for more in-depth data analysis. The device is suitable for applications such as indoor air quality testing, cleanrooms, dust filtration performance testing, environmental research, etc.

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Specifications

SpecificationValue / Details
Dimensions170 × 110 × 48 mm
WeightApprox. 850 g
Battery / Operating TimeBuilt-in lithium battery; continuous operation up to ~8 hours
Storage Capacity8 GB internal memory
Communication / Data OutputUSB & RS-485 (Modbus RTU)
Particle Size Channels (Counting)7 sizes: 0.3 µm, 0.5 µm, 0.7 µm, 1.0 µm, 2.5 µm, 5.0 µm, 10.0 µm
Dust Concentration Measurement5 types: PM1, PM2.5, PM4, PM10, TSP
Dust Concentration Range0 – 9,999.9 µg/m³
Concentration Resolution0.1 µg/m³
Accuracy±10% (for PM measurements within 0 – 100 µg/m³)
Flow Rate2.83 L/min (±5% tolerance)
Sampling Interval / DurationSelectable: 1, 2, 5, 10, 15, 30, 60 minutes
Particle Count Range0 – 3,000,000 particles per cubic foot (CF)

Outstanding Features

  • Multi-channel measurement: The device not only measures common particle sizes such as 0.3, 0.5, 1.0, 2.5, 5.0, and 10 µm, but also simultaneously measures PM1.0, PM2.5, PM4.0, PM10, and TSP.
  • Large storage & flexible data output: 8 GB capacity allows for storing a large amount of data; supports USB output and direct RS-232/RS-485 communication via Modbus RTU, easily integrating with data management systems.
  • Portable & battery-powered design: Handheld, relatively lightweight, operates continuously for approximately 8 hours, convenient for field surveys.
  • High customizability & calibration: Supports zero-point calibration, flow calibration, and K-factor calibration to ensure long-term accuracy.
  • Display & Control: Large screen and button system (7 buttons) for quick and easy operation.
  • Wide Application Range: Suitable for use in clean rooms, industrial environments, indoor/outdoor air quality assessment, filter efficiency testing, fine particulate matter pollution surveying, etc.

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