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Thermal Environment Meter PCE-WB 20SD
PCE-WB 20SD
New product
Overview
The PCE-WB 20SD is a data-logging thermal environment meter that calculates the WBGT index (indoor & outdoor) and measures black globe temperature, relative humidity, air temperature, dew point and wet-bulb temperature.
It supports automatic (1–3600 s) or manual logging, an audible alarm and a backlit LCD. Readings are saved to an SD card (1…16 GB) for easy spreadsheet analysis.
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More info
Key benefits
- Safety & compliance guided by WBGT for work-rest cycles.
- Reliable records with integrated data logger and SD memory.
- All-in-one metrics: WBGT, TG, TA, WB, RH and dew point.
- Field-ready: large display, alarm, AA batteries.
Typical applications
- Occupational Health & Safety (industry, construction).
- Outdoor sports and events.
- Training and public safety.
- Logistics, agriculture and other outdoor work.
Technical specifications
| Parameter | Value |
|---|---|
| Units & measurands | |
| Measured units | WBGT, TG (black globe), TA (air), WB (wet bulb), Relative humidity, Dew point |
| WBGT | |
| Range (indoor) | 0 … +59 °C |
| Range (outdoor) | 0 … +56 °C |
| Accuracy (indoor) | ±1 °C (+15 … +59 °C); ±1.5 °C (elsewhere) |
| Accuracy (outdoor) | ±1.5 °C (+15 … +56 °C); ±2 °C (elsewhere) |
| Air temperature (TA) | |
| Range | 0 … +50 °C |
| Resolution | 0.1 °C |
| Accuracy | ±0.8 °C |
| Black globe temperature (TG) | |
| Range | 0 … +80 °C |
| Resolution | 0.1 °C |
| Accuracy | ±0.6 °C |
| Relative humidity | |
| Range | 5 … 95 % RH |
| Resolution | 0.1 % RH |
| Accuracy | >70 % RH: ±(3 % of reading + 1 % RH); <70 % RH: ±3 % RH |
| Dew point | |
| Range | −25.3 … +48.9 °C |
| Resolution | 0.1 °C |
| Wet-bulb temperature | |
| Range | −21.6 … +50 °C |
| Resolution | 0.1 °C |
| WBGT calculation | |
| Indoor / shaded outdoor | WBGT = (0.7 × WB) + (0.3 × TG) |
| Outdoor in sun | WBGT = (0.7 × WB) + (0.2 × TG) + (0.1 × TA) |
| Logging & interface | |
| Logging interval | Automatic: 1 … 3600 s | Manual: per key press |
| Memory | SD card 1 … 16 GB |
| Interface | RS-232 / USB |
| Display & operating conditions | |
| Display | Backlit LCD (52 × 38 mm) |
| Operating temperature | 0 … +50 °C |
| Ambient humidity | < 85 % RH |
| Power & consumption | |
| Power supply | 6 × 1.5 V AA batteries or 9 V adaptor |
| Current draw | 14 mA (normal) | 37 mA (logging, backlight off) |
| Size & weight | |
| Instrument dimensions | 177 × 68 × 445 mm |
| Globe diameter | Ø 75 mm |
| Weight | 489 g |
| Scope of delivery | |
| Included | PCE-WB 20SD meter, card reader, user manual, SD card, carrying case |
Scope of delivery
- 1 × PCE-WB 20SD thermal environment / humidity meter
- 1 × Card reader
- 1 × User manual
- 1 × SD card
- 1 × Carrying case
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