Sper scientific 801038 Bedienungsanleitung

WBGT Meter

with Color-Coded

LCD Alerts

801038

Instruction Manual

TABLE OF CONTENTS

INTRODUCTION ...........................................2

FEATURES.....................................................3

MATERIAL SUPPLIED ..................................3

FRONT PANEL DESCRIPTION ...................4

LCD DISPLAY ................................................5

SET UP ...........................................................6

CALIBRATION ...............................................9

MEASUREMENT PROCEDURES..............10

CARE AND MAINTENANCE.......................14

SPECIFICATIONS .......................................15

WARRANTY .................................................16

INTRODUCTION

This Sper Scientic multi-functional WBGT

heat stress meter (model 801038) provides a

simple, color coded WBGT value 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

dangerous zones. These features, combined with

the optional audible alarm help to mitigate the risk

of heat-related injuries in the workplace.

FEATURES

• Calculates Heat Index value for

Shaded Conditions

• Calculates Heat 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

FRONT 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

LCD DISPLAY

1. Audible Alarm Indicator

2. Temperature Units

3. WBGT Value

4. Ambient Relative Humidity Value

5. Low Battery Indicator

6. Hold Data Indicator

7. Auto power-o󰀨 Indicator

8. Air Temperature/Globe Temperature Value

9. Air Temperature/Globe Temperature Selection

10. Minimum/Maximum Selection

11. IN/OUT Selection

SET UP

Battery Installation

This meter uses four AAA batteries. To install the

batteries before rst use:

1. Locate the battery door on the back of

the meter.

2. Push the tab inward to remove the door

3. Insert four new AAA batteries, ensuring

correct polarity.

4. Replace the battery cover by rst 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 o󰀨.

Meter On and O󰀨

1. Press POWER to turn the meter on/o󰀨.

2. The meter will automatically turn o󰀨 after twenty

minutes of inactivity.

Disabling the Automatic Power-O󰀨 Function

1. Ensure the meter is turned o󰀨.

2. Simultaneously press POWER and HOLD for

3 seconds.

3. The meter will beep and the letter n will

appear on the screen. This indicates that the

function has successfully been disabled.

4. After the meter is turned o󰀨, it will return to

Auto power-o󰀨 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 select °C

or °F.

5. Press SET once to conrm your selection.

6. Press MIN/MAX/ESC to exit setup mode

Setting the Audible Alarm

1. With the meter turned on, press and hold

SET for more than three seconds to enter the

SETUP mode.

2. Using the UP and DOWN arrows, scroll

through the settings until ALA appears on

the screen.

3. Press SET to enter this function.

4. Use the UP and DOWN arrows to select

whether the audible alarm is O󰀨 or On.

5. Press SET once to conrm 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 conrm your selection.

9. Press MIN/MAX/ESC to exit setup mode and

return to normal operation.

CALIBRATION

This meter comes Factory calibrated and

can sustain 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 Scientic o󰀨ers calibration

service for this meter at www.sperdirect.com.

MEASUREMENT PROCEDURES

For Indoor and Outdoor Shade

1. Press IN/OUT until the word IN is displayed

on the screen.

2. The meter will now provide readings relevant to

shaded conditions on the LCD screen.

For Direct Sunlight Conditions

3. Press IN/OUT until the word OUT is displayed

on the 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-

o󰀨 function.

1. Press HOLD to freeze the reading on the

display. “Hold” appears at the top of the LCD

and the reading remains on the display until

hold is disabled.

2. Press HOLD to return to Normal Mode.

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