| Dimensions |
157 x 120 x 45 mm |
| Weight |
Approx. 200 g |
| Range of application |
0…50 °C / 0…100 %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...5'000ppm; 0...100%RH; -20...60°C |
| Measurement principle |
Non dispersive infrared (NDIR) with automatic baseline correction (ABC) |
| Adjustment points |
Automatic calibration, manual calibration at 400 ppm and 35, 80 %RH |
| Pressure dependency |
+1.6 % reading per kPa |
| Null drift |
<10 ppm/year |
| Power supply / Power consumption |
Via AC1214 AC adapter (included in the delivery package) |
| Current consumption |
50 mA |
| Measured value memory |
40,000 values with time stamp, automatic recording (%RH / °C / CO2 / external temperature probe) |
| Warm-up time |
<1 min. |
| Long-term stability sensor |
< 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 |
| Parameters shown |
CO2, relative humidity and temperature |
| Alarm indicators |
Adjustable for CO2 measurement |
| Real time clock w.backup battery |
Yes |
| Exploitation software |
ROTRONIC SW21 free of charge, HW4 subject to charge |
| Housing |
ABS |
| IP protection rating |
IP30 |
| Maintenance |
No maintenance (standard indoor application) |