A 3.7 V Li-ion battery is installed in the air humidity meter to enable mobile use. This battery can be recharged via the micro-USB interface on the air humidity meter.
| Air temperature | |
| Measuring range | -20 … 60 °C（-4 … 140 °F） |
| Resolution | 0.01 °C/°F |
| Accuracy | ±0.5 °C @ 0 … 45 °C，±1.0 °C |
| in remaining range | |
| ±1.0 °F @ 32 … 113 °F，±2.0 °F | |
| in remaining range | |
| Measuring rate | 3 Hz |
| Relative humidity | |
| Measuring range | 0 … 100 % RH |
| Resolution | 0.1 % RH |
| Accuracy | ±2.2 % RH (10 … 90 % RH) |
| @ 23 °C (73.4 °F) | |
| ±3.2 % RH (<10，>90 % RH) | |
| @23 °C (73.4 °F) | |
| Response time | <10 s (90 % RH, 25 °C (77 °F), with no wind) |
| Thermoelement | |
| Sensor type | Thermoelement Type K |
| Measuring range | -100 … 1372 °C（-148 … 2501 °F） |
| Resolution | 0.01 °C/°F, 0.1 °C/°F, 1 °C/°F |
| Accuracy | ±(1 % ±1 °C) |
| Calculated values | |
| Wet bulb temperature | -20 … 60 °C （-4 … 140 °F） |
| Dew point temperature | -50 … 60 °C （-58 … 140 °F） |
| Further specifications | |
| Internal memory | 99 measuring points |
| (redundant, only readable on the measuring device) | |
| 32,000 measuring points | |
| (only readable on the PC) | |
| Power supply | 3.7 V Li-ion battery |
| Operating conditions | 0 … 40 °C (32 … 104 °F) <80 % RH, |
| non-condensing | |
| Storage conditions | -10 … 60 °C (14 … 140 °F) <80 % RH, |
| non-condensing | |
| Dimensions | 162 mm x 88 mm x 32 mm / 6.3 x 3.4 x 1.2" |
| Weight | 248 g / 8.74 oz |
