Temtop PMD 331 Air Quality Monitor with Particle Counting 7 Channels, USB/RS485 Port Connection

• Principle: Laser Mie-scattering Principle
• Particle Size Range: 0.3μm, 0.5μm, 0.7μm, 1.0μm, 2.5μm, 5.0μm, 10μm
• Accuracy: ±10%
• Measuring Range: 0~3,000,000 particles/ft³ (0~105,900 P/L)
• Sampling Rate: 3~60s
• Flow rate: 2.83L/min
• Laser Emitter: 50mW, 780nm

• Data Storage: 2,000,000 points
• Communication Mode: USB/RS232
• Battery: Rechargeable lithium battery
• Charging time: 3.5 hours
• Working Temperature Range: 0~50℃
• Storage Temperature Range: -20℃~60℃
• Weight: 1.87 lb (850 g)
• Dimensions: 6.69*4.33*1.97 Inches

7-channel Particle Size Monitoring

• The most characteristic and portable cost-effective particle counter.
• 7-channel detection: 0.3μm, 0.5μm, 0.7μm, 1.0μm, 2.5μm, 5.0μm and 10μm.
• All-metal precision optical-mechanical structure is adopted to make the anti-interference performance stronger;
• Compliant with ISO 21501-4 standard.

Applications:

• Measure filter efficiency
• Monitor industrial cleanrooms
• Pre-screen indoor air quality and confidently work with IAQ specialists
• Locate particle sources for remediation
• Report the effectiveness of repairs to customers
• Drive additional business by demonstrating the need for maintenance and repair