Description
Technical data
| Parameter | Value | ||||
| Model | BC25 | ||||
| Article number | 3,51,02,05,008 | ||||
| Weight | 52 g | ||||
| Dimensions (length x width x height) |
142 mm x 20 mm x 36 mm | ||||
| Temperature | |||||
| Measuring range | -20 °C to +50 °C or -4 °F to 122 °F |
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| Accuracy | ±0.6 °C (-20 °C to +50 °C) | ||||
| Measuring range resolution | 0.1 °C or 0.1 °F | ||||
| Relative humidity | |||||
| Measuring range | 0.0 % RH to 99.9 % RH | ||||
| Accuracy | ± 3 % RH (10 % to 90 %) ± 5 % RH (0 % to 10 % and 90 % to 99.9 %) |
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| Measuring range resolution | 0.1 % RH | ||||
| Reaction time | <15 seconds | ||||
| Type of protection | IP57 | ||||
| Operating conditions | -20 °C to 50 °C, <80 % RH (non-condensing) |
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| Storage conditions | -10 °C to 50 °C, <80 % RH (non-condensing) |
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| Automatic switch-off | after approx. 15 minutes | ||||
| Power supply | 1 x CR2032 battery | ||||
| Colour of warning flag | Risk | Effect | WBGT °C | WBGT °F | |
| Black | Extreme | Overheating | above 28 °C | above 82 °F | |
| Red | High | 23 °C to 28 °C |
73 °F to 82 °F |
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| Yellow | Moderate | 18 °C to 22 °C |
65 °F to 72 °F |
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| Green | Low | below 18 °C | below 65 °F | ||
| White | Increasing | Supercooling | below 10 °C | below 50 °F | |
Your early warning system for heat stress
The BC25 is a compact yet powerful climate meter designed to reliably assess heat stress caused by high temperatures and high humidity. In addition to measuring air temperature, relative humidity, dew point and wet-bulb temperature, it also determines the Heat Index (HI) and the WBGT (Wet Bulb Globe Temperature) – two key indicators for perceived temperature and physical strain. With programmable alarm functions for HI and WBGT, the BC25 helps prevent heat hazards before they occur. Its large, easy-to-read display, as well as min/max, AVG and HOLD functions, make it the ideal companion for athletes, workplaces, outdoor activities and any environment where heat stress can become a risk.




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