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WBGT Meter

with Color-Coded

LCD Alerts

801038

Instruction Manual

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Summary of Contents for 801038

Page 1: ...1 WBGT Meter with Color Coded LCD Alerts 801038 Instruction Manual ...

Page 2: ...alue on a large LCD display This meter takes the guesswork out of heat stress calculations by translating the OSHA WBGT guidelines into a simple color coded system In addition to providing all the necessary environmental conditions on a single screen this visual alert system can be seen at a distance allowing management and workers to be instantly aware when the heat index enters potentially dange...

Page 3: ...t Stress value for Direct Sunlight Conditions Tripod Mounting for Hands free operation Rugged housing Maximum and Minimum values Data Hold Function Protective sleeve for safe transportation Optional Audible alarm MATERIALS SUPPLIED WGBT meter Instruction manual 4 AAA batteries ...

Page 4: ...PANEL DESCRIPTION 1 Black Globe Brass 2 Sensor Protective sleeve 3 LCD Display 4 SET Button 5 IN OUT Button UP Arrow 6 HOLD Button DOWN Arrow 7 MIN MAX ESC Button 8 TA TG Button 9 POWER Button 1 2 3 4 5 6 9 8 7 ...

Page 5: ...lue 4 Ambient Relative Humidity Value 5 Low Battery Indicator 6 Hold Data Indicator 7 Auto power off Indicator 8 Air Temperature Globe Temperature Value 9 Air Temperature Globe Temperature Selection 10 Minimum Maximum Selection 11 IN OUT Selection 1 11 10 9 8 7 2 3 4 5 6 ...

Page 6: ...A batteries ensuring correct polarity 4 Replace the battery cover by first inserting the two plastic tabs into the meter and then pressing the door down until it clicks Replace the batteries when the low battery icon blinks on the LCD Note Before replacing the batteries turn the meter off Meter On and Off 1 Press POWER to turn the meter on off 2 The meter will automatically turn off after twenty m...

Page 7: ... will return to Auto power off mode This is indicated by APO in the lower left quadrant of the LCD screen Temperature Unit Selection 1 With the meter turned on press and hold the SET button for more than three seconds to enter the SETUP mode 2 Using the UP and DOWN arrows scroll through the settings until UNT appears on the screen 3 Press SET to enter this function 4 Use the UP and DOWN arrows to ...

Page 8: ...nter this function 4 Use the UP and DOWN arrows to select whether the audible alarm is Off or On 5 Press SET once to confirm your selection 6 The meter will now display a blinking numerical value 7 Using the UP and DOWN arrows set this value to the minimum heat index heat stress value you would like to trigger the alarm 8 Press SET once to confirm your selection 9 Press MIN MAX ESC to exit setup m...

Page 9: ... rigorous use without the need for recalibration Calibration must be performed in a controlled temperature humidity chamber in a laboratory environment Self calibration is not recommended Sper Scientific offers calibration service for this meter at www sperdirect com ...

Page 10: ...e screen 4 The meter will now provide readings relevant to full sun conditions on the LCD screen Data Hold All real time measurements for the meter including automatic color changing of the screen are disabled during data hold The data hold function does not override the automatic power off function 1 Press HOLD to freeze the reading on the display Hold appears at the top of the LCD and the readin...

Page 11: ... all values from the time the meter was last turned on 2 Press TA TG to toggle between the Minimum and Maximum Air and Globe Temperatures 3 Press IN OUT to toggle between the Minimum and Maximum calculations for Sun and shaded WBGT values 4 To clear the Minimum and Maximum values Press POWER to turn the meter off ...

Page 12: ...e meter will change color according to the following table The screen will show no color if the conditions are below the OSHA guidelines for possible heat injury However if you have set an audible alarm as described on page 8 the display will blink if the WBGT value exceeds this value regardless of whether or not the audible alarm is turned on ...

Page 13: ... based on OSHA guidelines but is NOT intended to replace any regulation set forth by OSHA or any other Regulatory Authority It is the responsibility of the user to remain up to date on all regulations for employee safety In addition the risk levels for the heat index were developed for shaded conditions and light winds Full sunshine strenuous work and the use of heavy or specialized protective clo...

Page 14: ...nti static cloth Do not use abrasives solvents or cleaning agents containing carbon alcohol or benzenes on the meter Repairs or services not covered in this manual should be performed by qualified personnel only Please contact Sper Scientific to speak with a technician The Black Ball of the meter is a painted surface Take care not to scratch this surface ...

Page 15: ...C 15 40 C 2 C outside this range Relative Humidity Range Resolution Accuracy 5 90 0 1 4 WBGT Range Resolution Accuracy 0 50 C 32 122 F 0 1 1 C 15 40 C 2 C outside this range WBGT Formula In full sun 0 7WB 0 2TG 0 1TA Indoor or Outdoor Shade 0 7WB 0 3TG Power Supply AAA 1 5V battery x 4 Battery Life 110 hours under WBGT of 80 1 F 45 hours above with backlight engaged ...

Page 16: ... if available This warranty does not cover 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 480 948 4448 The defective unit must be accompanied by a descri...

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