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PerfectPrime PM Μm Air Quality Particle/Dust Detector/Counter
Test particle size Light source Semiconductor lasers Accuracy ± 5% Temperature range 0~50℃ Accuracy ± 5% Humidity range Accuracy ±2% RH Display 2.8in LCD display Counting efficiency Sampling 59min. 59s) Sampling frequency Alarm levels Standard) Test mode Single/repeat/continuous/timer/Average Data Storage 999 Power 9 V DC battery (not included). Operating environment 5~45℃, <90% RH Storage environment <90% RH Test particle size (0.3um in Piece/L only, three sizes all in Piece/L unit) Light source Semiconductor lasers Alarm levels Standard) Sampling 59min. frequency Power 9 V DC battery (not included).

Price is $200.00
Price: $199.99