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Products > Environmental Protectionent > Indoor air quality detector > The PPM-HTV formaldehyde detector
Product name : The PPM-HTV formaldehyde detector
Item : 英国PPM
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Details:
 HTV formaldehyde detector directly used for the measurement of the concentration of formaldehyde in the air. HTV formaldehyde detector units of formaldehyde concentration in ppm and mg/m3, not subject to high humidity and temperature, with the compensation function. The standard configuration includes a calibration source of formaldehyde (valid for six months) and operation; manual, just a few seconds will be able to complete the calibration procedure;-button operation, fast sampling. Fast recovery time; optional PC remote control software for recording data and real-time monitoring; has been ISO 9001:2000 quality certification and CE compliant.
Instrument Specifications:
Sampling methods through the built-in pump, collecting 10 ml of air samples
Sampling frequency of 1-3 minutes (depends on samples collected)
The low concentration response time of about 8 seconds, with a high concentration of about 60 seconds
Power 9V battery-powered
Formaldehyde sensor:
Sensor PPM company developed its own electrochemical principles
The basic range of the detection range: 0.00 ~ 10ppm ﹝ 0 ~ 12.3mg/m3 ﹞
Replacement of the range: 0.00 ~ 80ppm ﹝ 0 ~ 98.3mg/m3 ﹞
Analysis of the degree of 0.01ppm
Accuracy of 2% Formaldehyde Analyzer based on 12 sets of 4-5 repetitions, and statistical results
Accuracy of 10% according to U.S. NIOSH provides the use of acceptable methods of measurement, measuring formaldehyde concentration of 0.3ppm relative humidity between 25-70% of the environment. NIOSH acceptable standards between the true value ± 25% of the data were within the 95% confidence region. 94% of PPM formaldehyde detector indeed NIOSH standards.
Temperature and humidity module:
Type interchangeable data CMOSens
Range
Temperature: -40 to +128 ° C
Relative humidity: 0 to 100% RH
Accuracy Temperature: ± 0.4 ° ​​C; relative humidity: ± 3% RH.
Another optional upgrade to ± 0.3? C, ± 1.8% RH.
Correction manufacturer according to ISO/IEC17025 calibration traceable to NIST and the National Physical Laboratory "

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