REED Instruments
Reed R6250SD Data Logging Heat Stress Meter
Model R6250SD
REED R6250SD Data Logging Heat Stress Meter: measures temperature, humidity, dew point, wet bulb, black globe, indoor/outdoor WBGT; range Air: 32 to 122.0°F (0 to 50.0°C). Wet Bulb Globe Temperature (WBGT) considers the effects of temperature, humidity and direct or radiant sunlight.
From $499.00list price
Pick your exact configuration in the ordering table below to add it to your cart.
Same-day response on quotes. ISO/IEC 17025 accredited calibration available.
Overview
The REED R6250SD is a data logging heat stress meter from REED Instruments.
Features (REED datasheet)
- Measures temperature, humidity, dew point, wet bulb, black globe, indoor/outdoor WBGT.
- Wet Bulb Globe Temperature (WBGT) considers the effects of temperature, humidity and direct or radiant sunlight.
- In/Out function displays the WBGT value with or without direct sun exposure.
- Black Globe Temperature (TG) monitors the effects of direct solar radiation on an exposed surface.
- Adjustable audible alarm.
- User selectable unit of measure (°F or °C).
- Data hold and Max/Min functions.
- Real-time datalogger with integrated SD memory card.
- User selectable sampling rate from 1 to 3600 seconds.
- Easy-to-read backlit LCD display.
- Tripod mount for long-term monitoring.
- Low battery indicator and auto shut off.
- Includes soft carrying case & batteries.
Specifications
| Accuracy | |
| Temperature Accuracy | Air: ±1.5°F (±0.8°C) |
| Humidity Accuracy | >70% RH: ±(3% rdg + 1% RH) <70% RH: ±3% RH |
| Ranges | |
| Temperature Measuring Ranges | Air: 32 to 122.0°F (0 to 50.0°C) |
| Dew Point | -13.5 to 120.1°F (-25.3 to 48.9°C) |
| Wet Bulb | -6.9 to 122.0°F (-21.6 to 50°C) |
| Temperature Resolution | 0.1°F/°C |
| Humidity Measuring Range | 5 to 95% RH |
| Humidity Resolution | 0.1% RH |
| General | |
| Black Globe | 32 to 176°F (0 to 80°C) |
| Indoor WBGT | 32 to 138°F (0 to 59°C) |
| Outdoor WBGT | 32 to 132°F (0 to 56°C) |
| Black Globe | ±1.1°F (±0.6°C) |
| Indoor WBGT | ±2.7°F (±1.5°C) |
| Outdoor WBGT | ±3.6°F (±2°C) |
Documents
Ordering information
3 ordering models available.
| Model | Description | List Price | |
|---|---|---|---|
| R6250SD-KIT | DATA LOGGING HEAT STRESS METER WITH POWER ADAPTER AND SD CARD | $519.00 | |
| R6250SD-KIT2 | DATA LOGGING HEAT STRESS METER WITH TRIPOD, SD CARD AND POWER ADAPTER | $599.00 | |
| R6250SD-NIST | DATA LOGGING HEAT STRESS METER, WBGT W/NIST CERT | $804.00 |
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Official compatibility and accessories for this model - not look-alike suggestions.

