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Updated:2025-03-13

Brand: PST/Rotronic
Model: CP11
Description: Portable monitoring of indoor air quality. Measures and records CO2, relative humidity and temperature.
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Economical Measurement of Indoor Air Quality

Features

Measures and records CO2, relative humidity and temperature

Accuracy: ±30 ppm, ±2.5 %RH, ±0.3 K

ROTRONIC HYGROMER IN-1 humidity sensor

18,000 data point memory for CO2, humidity and temperature values

Maximum, minimum and average value display

Adjustable audible CO2 alarm

Adjustable automatic power off function

Includes logging and configuration software, USB data cable and case

Portable monitoring of indoor air quality. Measures and records CO2, relative humidity and temperature.

Specifications

	CP11
Parameter / Calculated	CO2, Relative Humidity and Temperature
Typ	Handheld
Measuring Range	0….5000 ppm (CO2), 0…50 °C; 0…95 %RH (0…100 % RH CL11)
CO2 Sensor	Infrared (NDIR) with automatic calibration (ABC)
CO2 Accuracy	±30 ppm ±5 % of the measured value
Humidity Sensor	ROTRONIC HYGROMER® IN-1
Humidity Accuracy	±2 %RH @ 25°C
Temperature Sensor	NTC
Temperature Accuracy	±0.3 °K
Power Supply	4 x AA batteries / optional AC adapter AC1214
Battery life	50 h
Function	MIN / MAX /AVG
Storage Capacity	18000 values with time stamp, automatic recording ( %RH / °C / ppm )
Logg intervall	1s…4.59 h
Dimension	76.7 x 41.8 x 233.9 mm