Description Handheld CO2, Humidity and Temperature – CP11 RANGE OF APPLICATION 0…50 °C / 0.1…99.9 %RH, non-condensing ACCURACY AT 23 ±5 °C ±30 ppm ±5 % of the measured value, <2.5 %RH (10…90 %RH), ±0.3 °K MEASURING RANGE 0…5000 ppm, 0.1…99.95 %RH, -20…60 °C MEASUREMENT PRINCIPLE Non dispersive infrared (NDIR) with automatic baseline correction (ABC) ADJUSTMENT POINTS 0, 400 ppm and 35, 80 %RH PRESSURE DEPENDENCY 1.6 % reading per kPa ZERO DRIFT <10 ppm/year POWER SUPPLY 4 x AA batteries / optional AC adapter AC1214 CURRENT CONSUMPTION 40 mA (typical) BATTERY LIFE 50 h MEASURED VALUE MEMORY 18,000 values with time stamp, automatic recording (%RH / °C / ppm), 99 single values with time stamp, manual recording, (%RH / °C / DP / Tw / ppm) WARM-UP TIME <1 min. LONG-TERM STABILITY < 1.5 %RH per year HUMIDITY SENSOR ROTRONIC HYGROMER® IN-1 TEMPERATURE SENSOR Thermistor RESPONSE TIME <10 sec @ 30 cc/min. flow, <3 min diffusion time RESPONSE TIME T 63 <30 s, without filter CALCULATIONS Dew point, wet bulb temperature PARAMETERS SHOWN CO2, relative humidity and temperature CLOCK Real time clock ALARM FUNCTIONS Adjustable for CO2 measurement HOUSING ABS IP PROTECTION RATING IP30 CE / EMC CONFORM 2004/108/EC MAINTENANCE No maintenance (standard indoor application) DIMENSIONS 76,7 x 41,8 x 233,9 mm WEIGHT 290 g Calibration certificates are issued during the production process. New calibration certificates are available upon request at an additional cost. Handheld CO2, Humidity and Temperature – CP11