- Continuous measurement and documentation of temperature, relative humidity and dewpoint
- Record up to two humidity and temperature values simultaneously with optionally connectable probes
- Unproblematic long-term measurement: large memory for up to 2 million measurement values, 8 years battery life
- For data evaluation on a PC, a selection of three software versions is available, basic software available as a free download
Temperature - NTC
| Measuring range | -20 to +70 °C |
|---|---|
| Accuracy | ±0.4 °C (Remaining Range) ±1 Digit ±0.2 °C (-20 to +70 °C) ±1 Digit |
| Resolution | 0.1 °C |
Humidity - Capacitive
| Measuring range | 0 to 100 %RH* |
|---|---|
| Accuracy | dependent on probe selected |
| Resolution | 0.1 %RH |
| *Not for condensing atmospheres. | |
General technical data
| Weight | 220 g |
|---|---|
| Dimensions | 103 x 63 x 33 mm |
| Operating temperature | -20 to +70 °C |
| Product-/housing material | Plastic |
| Protection class | IP65 |
| Channels | 4 external |
| Connectable probes | 2 x NTC temperature probe or 2 x humidity probe |
| Product colour | Black |
| Standards | EU-guideline 2014/30/EU; 2011/65/EU |
| Measuring rate | 1 s to 24 h; 2 s to 24 h (online measurement) |
| Battery type | 1 x Lithium (TL-5903) |
| Battery life | 8 years at 15 min. meas. rate, +25 °C |
| Interface | mini usb, SD card slot |
| Memory | 2,000,000 measuring values |
| Storage temperature | -40 to +85 °C |




BR 24481
VN 9121
US 6561
IN 4400
AR 3859
IQ 2434
BD 2387
PK 2232
