Triplett HS10 Manuale utente

User Manual

HS10

Heat Stress Meter /Wet Bulb Global

Temperature (WBGT) and Heat Index (HI)

Monitor

Introduction

Congratulations on your purchase of the Triplett HS10 Heat

Stress Wet Bulb Global Temperature (WBGT) and Heat Index

(HI) Monitor

. This compact checker measures air temperature, globe temperature, and

humidity to give heat stress index for using in control of physical activity in

hot environment to limit the danger of heat-related injuries.

WBGT (wet-bulb globe temperature) was developed as a monitoring

basis at US military training camps and became widespread for the use

in workplaces and sports situations.

It is suggested in an international standard ISO 7243 and many governments

such as OSHA (US Occupational Safety & Health Administration),

SMA(Sports Medicine Australia)and Japan Society for Occupational Health

in establishing the permissible heat exposure limits in occupational health,

sports or other physical activities.

The applications of the heat index can be in construction, iron and steel

foundries, bricks-firing plants, glass facilities, boiler rooms, mining sites,

army training, marathon, beach activities and so on.

The heat index was developed by the US National Weather Service to help

people avoid heat illness. Prolonged exposure and/or physical activity at a

high heat index is likely to lead to sun stroke, heat cramps, heat exhaustion

and even death. However, please be aware that heat index is not an exact

science. The values reached are approximations. Ultimately, the final

decision of whether or not to exercise or work belongs to the individual,

athletic trainer or employer.

Features

Simultaneously display WBGT/HI ,Temperature & RH

For outdoor & indoor heat stress measuring

Programmable buzzer & red LED danger zone warning

Audible alarm volume adjustable (75dB / 60dB / mute)

4 level dangerous level indicator on LCD

Wearable design with arm strap included

Display updates every 20 seconds

Description

METER DESCRIPTION (Front and Rear View)

LCD DISPLAY DESCRIPTION

FUNCTION BUTTONS

Press the POWER/SET button to turn ON.

Press and hold the POWER/SET button for 2 seconds to turn

OFF.

In NORMAL MEASURMENT MODE press [SET] button [▲] and

[▼]button simultaneously for 3 seconds to enterSETTING Mode.

In power off status, press [SET] button,[▲] and [▼]

simultaneously for 5 seconds till entering RESET Mode.

In NORMAL MEASURMENT MODE, press [▲] or [▼] button to

adjust the sound level.

In SETTING MODE press [▲] or [▼]button to adjust the value of

thresholds or ON / OFF the alarm.

Operation

POWER

Press to turn ON (press1 second) and turn OFF (press 2 seconds)

the meter. All indicators are shown on the LCD when powered ON and the

meter enters measurement mode. The firmware revision is displayed on

the LCD for 1 second when powered ON.

MEASUREMENT

When in measurement mode, the WBGT value, temperature and

humidity values are displayed on the LCD.

SOUND LEVEL

The user can press the [▲] or [▼] key to adjust the volume of the alarm. In

measuring mode, press [▲] or [▼] key to adjust the volume in 0dB > 60dB

>75dB respectively. The buzzer icon will be displayed.

Note: No Buzzer icon is displayed on the LCD when the sound is 0dB.

DANGER ZONE INDICATOR

For both WBGT and HI there are 4 levels of heat stress danger zone

indications at the top of the LCD.

ALARM

When the measured heat stress value is over alarm threshold, the red LED,

buzzer and measured value will all blink every second as a reminder. After

30 seconds, it beeps 1 time per minute. The user can disable beep sound at

any time when pressing [▼] key. The alarm threshold value can be re-

programmed. Check “SETUP” Mode in the following section in this manual

for further instruction.

SETUP MODE

This function allow users to customize their own default settings. Press the

button + [▲]+ [▼] buttons simultaneously for 3 seconds to enter SETUP

Mode. The meter will return to normal display while keys are inactive for 30

sec in setup mode. Display for either WBGT & HI (Heat Index) is switchable

by the user.

IN/OUT SWITCH (ONLY for WBGT mode)

This function serves to calculate WBGT without [IN] or with [OUT] direct

sun exposure.

Under IN/OUT modes, press [▲] or [▼] to switch

[IN / OUT] then press to confirm

ALARM THRESHOLD SETTING

This function allows users to customize alarm threshold

or stay at factory default alarm threshold. While choosing

to stay at factory default alarm threshold, please select

[OFF]. [OFF] means to turn off customization function.

The default alarm-threshold is defined in below and each range has different

buzzer frequence to distinguish.

If user decides to customize their own alarm threshold, select [ON], [ON]

means the alarm threshold setting is turned ON by user.

The adjustment

range is listed

below.

Press the [▲] or [▼] button to adjust alarm value. Press the button to save

the value. The adjustment is 0.1 per step. The adjustment range is 68°F to

122°F (20 to 50°C) for WBGT and 50°F to 140°F(10~60°C) for HI

Note:If user prefers to monitor the heat stress in a complete silent mode

the following procedure can disable the alarm function

so LED, buzzer and alarm related icons are all OFF.

While adjusting alarm threshold value, pressing [▲]

and [▼] key simultaneously. The alarm threshold will

show [--.-] on the LCD Press [▲] and [▼] again to

revert the status.

TEMPERATURE UNIT OC/OF

Press [▲] and [▼] key to switch OC (degrees Celcius)

or OF (degrees Farhenheit). Press

key to save

the selection.)

SET

WBGT / HI SWITCHING

For HS10, the main displayed heat stress index can be WBGT or HI.

While the temp unit setting completed, pressing [▲] or [▼] key to switch

WBGT/HI and then press SET key to confirm

Then, the checker will return to measurement mode after upon all setting are

completed.

Fig 17 Fig 18

RESET FUNCTION

This allows user RESET the meter to default setting. In POWER OFF status,

press [SET], [▲] and [▼] key simultaneously for 5 seconds till [rSt] symbol

show on the LCD in 5 seconds. Then full display will be turned on and go to

measurement mode automatically.

The Default settings for the meter are:

Battery Installation and Replacement

The meter is powered by (2)1.5V AAA batteries. First, check the batteries

when:

3. First time using the meter

4. The battery symbol appears on LCD

5. The meter does not power ON.

To install the batteries

1. Turn off the meter.

2. Remove the battery cover

3. Replace the old batteries with two new

batteies

4. Make sure the batteries are in the place and the

polarity is correct.

5. Replace the battery cover.

Low Battery Indication

appears on the LCD when battery voltage gets low. Please replace

battery by opening the compartment on the rear of the meter.

Specifications

Temp. range

32 to 122°F(0~50

Temp. resolution

0.1

Temp. accuracy

+/-1.8°F(+/-0.6oC)

Humidity. range

0.1%~99.9%RH

Humidity resolution

0.1%RH

Humidity accuracy

10.0%~90.0% @ 25oC: Typical 5%. Others 7%

Globe Temp.(inside black ball)

32 to 158°F( 0~70

WBGT temp. range

32 to 122°F(0~50

HI temp. range

32 to 140°F(0~60

WBGT Alarm Range

68°F to 122°F(20~50oC)

HI Alarm Range

68°F to 122°F (20~60oC)

Black ball size(mm)

Dia. 40

Stabilization time

15 ~25 minutes typical

Battery life

~300hour

LCD size (mm)

40(H)x39(W) (1.6x1.5”)

Operation temp.

32 to 122°F(0~50

Operation RH%

Humidity < 80%

Storage temp.

-4°F 122°F(-20~50oC)

Storage RH%

Humidity < 90%

Dimension(mm)

2.8” x 2.4”x0.8”

(70(H)x60(W)x22(D))

Weight

3.17 oz (~90g)

Standard Package

AAA x2pcs

Battery

Meter/Battery/Manual/Paper box

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