PCE-WB 20SD HEAT STRESS METER

Technical Specifications:

Measurement units

WBGT
Black-Globe-Temperature (TG)
Air temperature (TA)
Wet bulb temperature (WB)
Humidity
Dew Point Temperature

WBGT

Measurement range

Inside: 0 ... +59 °C
Outside: 0 ... +56 °C

Accuracy indoors

± 1 °C (+15 ... +59 °C)
± 1.5 °C (other temperature ranges)

Accuracy outside

± 1.5 °C (+15 ... +56 °C)
± 2 °C (other temperature ranges)

Air Temperature (TA)

Measurement range

0 ... +50 °C

Resolution

0.1 °C

Accuracy

± 0.6 °C

Black-Globe Temperature

Measuring range

0 ... +80 °C

Resolution

0.1 °C

Accuracy

± 0.8 °C

Humidity

Measurement range

5 ... 95 % R.H.

Resolution

0.1 % R.H.

Accuracy 

> 70 % RH: ± (3 % read value + 1 % RH)
< 70 % RH: ± 3 % RH

Dew Point Temperature

Measuring range

-25.3 ... +48.9 °C

Resolution

0.1 °C

Wet Bulb Temperature

Measuring range

-21.6 ... +50 °C

Resolution

0.1 °C

General Technical Specifications

WBGT formula 

Inside /outdoors and no sun:
WBGT= (0.7 x WB) + (0.3 x TG)
Outdoors and sun:
WBGT=(0.7 x WB) + (0.2 x TG) + (0.1 x TA)

Data storage intervals

Automatically: every 1 ... 3600 seconds
Manually: with every key press

Memory Card

SD memory card 1 ... 16 GB

Interface

RS232 / USB

Display

LCD with background lights (52 x 38 mm)

Operation Temperature

0 ... +50 °C

Environmental Humidity

< 85 % R.H.

Voltage Supply

6 x 1.5 V AA batteries or 9 V Adapter

Power Consumption

DC 14 mA at standard operation
DC 37 mA with data storage and without Display lights on

Weight

489 g

Dimensions

Device: 177 x 68 x 445 mm
Bulb: Ø 75 mm