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15

SPECIFICATIONS

Range

Res.

Accuracy

WBGT

0° to 50°C

32° to 122°F 0.1°C/F

±2ºC Indoor

3ºC Outdoor

(-15° to 40ºC)
Otherwise

±2.5 Indoor

3.5ºC

Outdoor

Air Temp (TA)

±0.6ºC

Globe Temp

(TG)

0° to 80°C

32° to 176°F

±2ºC

(15º to 35ºC)

Relative

Humidity

(RH)

0 to 100% RH 0.1% RH

±3% RH

(10º to 90%

RH)
Otherwise

±5% RH

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Summary of Contents for WBGT

Page 1: ...WBGT Heat Stress Meter 800036 ...

Page 2: ...ystem without the express permission from Sper Scientific HEAT STRESS REFERENCES Refer to any of the following organizations for current and reliable data regarding heat stress threshold recommendations and guidelines American Conference of Governmental Industrial Hygienists www acgih org American Industrial Hygiene Association www aiha org Canadian Centre for Occupational Health Safety www ccohs ...

Page 3: ... DESCRIPTION 6 KEYPAD 7 LCD DISPLAY 8 FUNCTION SELECTIONS 9 Display Mode Selection 9 Heat Index Measurement 10 Non Sleep Mode Selection 10 Alarm Threshold Selection 11 Data Analysis 12 BATTERY REPLACEMENT 13 TROUBLESHOOTING 13 ERROR CODES 14 SPECIFICATIONS 15 WARRANTY 16 ...

Page 4: ... readings with a typical response time of only 15 seconds The WBGT Heat Stress Meter provides settings for both indoor and outdoor activities and includes an audible alarm that is adjustable to your WBGT threshold You can use the WBGT Heat Stress Meter almost anywhere to determine appropriate exposure levels to high temperatures and avoid heat exhaustion during athletic events military exercises a...

Page 5: ...alarm that is adjustable to your WBGT threshold Long Life Battery Operation An expected battery life of more than 1000 hours alkaline and 250 hours general purpose Tripod Mountable A tripod screw mount for hands free monitoring Data Analysis USB port to connect with a PC for real time data analysis USB cable and data software sold separately MATERIALS SUPPLIED Meter Batteries Instruction Manual ...

Page 6: ...nsor Shell Sensor Sensor Cover Sensor Housing Screws front and back of unit Tripod Screw back of unit LCD Display Power Set Mode and Next Buttons USB Port side of unit Battery Compartment back of unit UNIT DESCRIPTION ...

Page 7: ...setting mode when complete Press the MODE button to change the display mode to select the environment mode IN OUT and to change the values when setting the alarm mode Press the SET and MODE button simultaneously to select Non Sleep mode and prevent the unit from turning off automatically Press the NEXT and MODE button simultaneously to select between C F temperature scales ...

Page 8: ... of direct solar radiation on an exposed surface This temperature is analogous to what you feel when standing in the sun TA Air Temperature Ta The standard temperature as normally referenced in weather observations and forecasts Relative Humidity The percentage of water vapor in the air IN OUT Indoor Outdoor Environment with or without direct sun exposure using the following equations Indoor Outdo...

Page 9: ...r comes fully calibrated from our manufacturing facility and should maintain it s calibration Display Mode Selection 1 Turn on the meter by pressing the SET button The LCD display turns on and the meter enters measuring mode 2 Short press the MODE button to select the RH WBGT TA and TG modes respectively 3 Press and hold the MODE button to select either IN for indoor measurements or OUT for outdoo...

Page 10: ...ected display mode within 15 seconds 3 When you have completed your readings slide the cover back up to its protective position and press the SET button to turn off the unit Non Sleep Mode Selection To save battery life the WBGT Heat Stress Meter turns off automatically after 20 minutes of inactivity To monitor the environment continuously for longer periods you may override this feature 1 With th...

Page 11: ...an audible alarm continuous beep at about 70dB to let you know that your threshold has been exceeded The alarm stops when the reading falls below the set threshold or when you turn off the meter Be sure to set the unit to WBGT display mode To set your alarm 1 With the meter turned off press and hold the SET button for 2 seconds The LCD displays a temperature setting with the first digit flashing 2...

Page 12: ... includes a USB port to connect your meter to a PC to store analyze and print data USB Cable 840054 and the Data Acquisition Software 840052 are available as optional accessories The software interface protocol is 9600 bps 8 data bits with no parity The communication format transmits ASCII code every second while the WBGT Heat Stress Meter is turned on Format Wxxx xC F Txxx xC F Txxx xC F Hxx x LR...

Page 13: ...w AAA batteries Replace the compartment cover Battery life is greater than 1000 hours when using alkaline batteries 250 hours when using general purpose batteries TROUBLE SHOOTING No Display 1 Ensure that you have pressed the SET button for longer than 1 sec 2 Ensure that the batteries are in good condition have proper contact and are in correct polarity When in doubt replace the batteries Refer t...

Page 14: ...cription Low battery indicator OUT Out of range indicator displayed during alarm threshold setting E02 The value is below the measuring range or the sensor is installed incorrectly E03 The value is above the measuring range E04 The original data is in error value error or the sensor is installed incorrectly E011 RH calibration error Please contact our technical support at quality sperscientific co...

Page 15: ... 0 to 50 C 32 to 122 F 0 1 C F 2ºC Indoor 3ºC Outdoor 15 to 40ºC Otherwise 2 5 Indoor 3 5ºC Outdoor Air Temp TA 0 6ºC Globe Temp TG 0 to 80 C 32 to 176 F 2ºC 15º to 35ºC Relative Humidity RH 0 to 100 RH 0 1 RH 3 RH 10º to 90 RH Otherwise 5 RH ...

Page 16: ... available This warranty does not cover probes batteries battery leakage or damage resulting from accident tampering misuse or abuse of the product Opening the meter to expose its electronics will void the warranty To obtain warranty service ship the unit postage prepaid to SPER SCIENTIFIC LTD 8281 E Evans Rd Suite 103 Scottsdale AZ 85260 The defective unit must be accompanied by a description of ...

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