Temtop PMD331 Particle Counter 7 Channels 0.3μm 0.5μm 0.7μm 1μm 2.5μm 5μm 10μm Particle Size* Customers outside the USA need to pay taxes on their own. Notice: ISO certificates for individual units are optional and subject to additional charges. To ensure shipment with the equipment, please contact us for a customized quote before placing your order. Temtop Air Quality Handheld Particle Counter 7 Channels 0. 3m 0. 5m 0. 7m 1m 2. 5m 5m 10m PMD 331 Cost Effective Precision for Industries Get high end accuracy without the premium price tag. The

Health Indicator：Visual and audible alarms for AQI peaks (with customizable quiet periods via app) - ideal for allergy sufferers

Key Feature：

83L/min air pump

Professional Accuracy with Global Components

Air Quality Index (AQI): Measurement Range: 0–500

1V (Ripple<100mV) Max working current:  100mA Working temperature:  -10℃-60℃ Working Humidity:  0-95% (non-condensing) Storage temperature:  -30℃-70℃ Response time:  <1

5-Channel Precision Mass Monitoring

Long-range LoRa wireless transmission supports up to 1000m in open areas for stable data communication

handheld design makes it perfect for mobile site inspections across urban hotspots

5 concentration within the last 12 hours

The outdoor sensor provides accurate measurements for rainfall

Powered by a premium high-capacity lithium battery