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Extech Instruments HT200 User Manual

Extech Instruments HT200
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USERMANUAL
HeatStressWBGTMeter
ModelHT200
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com
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Extech Instruments HT200 Specifications

General IconGeneral
TypeInfrared Thermometer
Temperature Resolution0.1°F/°C
Power Supply9V battery
DataloggingNo
Min/MaxYes
Data HoldYes
Sensor TypeInfrared
EmissivityFixed at 0.95
Response Time500ms
DisplayLCD
Basic Accuracy±2% of reading
Resolution0.1°F / 0.1°C
Dew PointYes
Wet BulbYes

Summary

Introduction to the Extech Heat Stress WBGT Meter

Key Features of the HT200 Meter

Safety Precautions and Warnings

Meter Components Overview

LCD Display Elements

Alarm Symbol

Indicates an active alarm condition on the meter.

WBGT Mode Indicator

Shows the current measurement mode, specifically WBGT.

Low Battery Symbol

Alerts the user when the device's battery is low.

Auto Power Off Symbol

Indicates the auto power off feature is enabled.

Operating the Heat Stress Meter

Powering the Meter On and Off

Instructions for turning the meter ON and OFF and checking firmware version.

Managing Auto Power Off

Information about the automatic power off feature and how to enable/disable it.

Alarm Function Control

How to enable and disable the audible and visual alarm functions.

Selecting Measurement Modes

Guide to selecting different measurement modes like WBGT, TA, %RH, TG, WET, DEW.

Data Management Functions

Data Hold Function

How to freeze and retain the current displayed reading.

Manual Data Recording

Procedure for manually recording and storing current measurements.

Viewing Stored Data

How to access and scroll through stored measurement data.

MAX-MIN Recording Mode

How to track maximum and minimum recorded values.

Setting and Customizing Parameters

Setting WBGT High Alarm Threshold

How to set the upper limit for WBGT alarms.

Setting WBGT Low Alarm Threshold

How to set the lower limit for WBGT alarms.

Clearing and Adjusting Settings

Clearing Stored Readings

Procedure for erasing all stored measurement data from the meter.

Air Temperature Offset Adjustment

Instructions for adjusting the air temperature measurement offset.

Humidity Offset Adjustment

Instructions for adjusting the relative humidity measurement offset.

Advanced Meter Settings and Maintenance

Black Globe Temperature Offset

Instructions for adjusting the black globe temperature measurement offset.

Battery Replacement Guide

Guide for replacing the meter's 9V battery when the low battery icon appears.

AC Power Adapter Usage

Information about using the AC power adapter with the meter.

Technical Specifications

Additional Meter Specifications

Heat Stress Prevention Standards

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