The R6250SD measures temperature, humidity, and direct or radiant sunlight with Wet Bulb Globe Temperature (WBGT). With this information it determines the "what it feels like" temperature. The R6250SD is designed to meet OSHA requirements, with a user-adjustable WBGT audible alarm and the ability to adjust settings for indoor temperature measurement. Featuring, Data hold, Max/Min functions, and an easy-to-read backlit LCD display. Using a SD card (max 16GB), a user can manually record up to 99 readings or do so automatically by selecting a desired sampling rate from 1 to 3600 seconds. Quickly generate an Excel file with raw data, all without the use of software. Optional accessories include a tripod and AC adapter for continuous long-term monitoring.
This product includes a Traceable Calibration Certificate with full Data and Uncertainties.
Temperature
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| 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) 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) |
| Accuracy | Air: ±1.5°F (±0.8°C) Black Globe: ±1.1°F (±0.6°C) Indoor WBGT: ±2.7°F (±1.5°C) Outdoor WBGT: ±3.6°F (±2°C) |
| Resolution | 0.1°F/°C |
Humidity
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| Measuring Ranges | 5 to 95% RH |
| Accuracy | >70% RH: ±(3% rdg + 1% RH) <70% RH: ±3% RH |
| Resolution | 0.1% RH |
General Specifications
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| Indoor Formula | 0.7WB + 0.3TG |
| Indoor Range | 32 to 138°F (0 to 59°C) |
| Indoor Accuracy | ±2.7°F (±1.5°C) |
| Outdoor Formula | 0.7WB + 0.2TG + 0.1TA |
| Outdoor Range | 32 to 132°F (0 to 56°C) |
| Outdoor Accuracy | ±3.6°F (±2°C) |
| Response Time | 1 second |
| Display | 4-digit dual LCD |
| Backlit Display | Yes |
| Data Hold | Yes |
| Min | Yes |
| Max | Yes |
| Datalogging Capabilities | Yes |
| Real-Time Clock and Date Stamp | Yes |
| Selectable Sampling Rate | Yes (1, 2, 5, 10, 30, 60, 120, 300, 600, 1800, 3600 seconds) |
| External Memory | Yes, expandable up to 16GB with SD card (optional) |
| SD Card Class Compatibility | Class 4 |
| Auto Shut-off | Yes (after 10 minutes/off) |
| Kick Stand | Yes |
| Tripod Mountable | Yes |
| Low Battery Indicator | Yes |
| Power Supply | 6 x AA Batteries or AC Adapter (optional) |
| Data Output | Yes (RS-232) |
| Product Certifications | CE |
| Operating Temperature | 32 to 122°F (0 to 50°C) |
| Storage Temperature | 14 to 140°F (-10 to 60°C) |
| Operating Humidity Range | 10 to 85% |
| Dimensions | Instrument: 7.0 x 2.7 x 1.8" (177 x 68 x 45mm) Black Brass Ball Diameter: 2.9" (75mm) |
| Weight | 1.1lb (515g) |
The Occupational Safety and Health Administration (OSHA) recommends the use of Wet Bulb Globe Temperature (WBGT) heat stress monitors to ensure safe working conditions are met. The R6250SD considers temperature, humidity, and direct or radiant heat to determine the "what it feels like" temperature.
Save yourself a lot of work with the data logging features of this model. As a data logger, its capacity to automatically monitor and record environmental parameters over time, allow conditions to be measured, documented, analyzed, and validated in 3 easy steps.
1. Insert memory card
2. Record the needed data
3. Insert memory card in PC and open with Excel
The REED R6250SD Data Logging Heat Stress Meter comes complete with a carrying case and batteries.
Datasheet for the REED R6250SD Data Logging Heat Stress Meter
Manual for the REED R6250SD Data Logging Heat Stress Meter
