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TESTO 445 User Manual

TESTO 445
44 pages
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Instruction manual en
testo 445 · testo 645
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com

Table of Contents

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TESTO 445 Specifications

General IconGeneral
Storage Temperature-20 to +70 °C
Dimensions220 x 68 x 46 mm
Weight350 g (with battery)
Battery LifeApprox. 200 hours
Measuring Range - Temperature-20 to +70 °C
Accuracy - Temperature±0.5 °C
Resolution - Temperature0.1 °C
Resolution - Humidity0.1 %RH
Temperature Range-20 to +70 °C
Accuracy Temperature±0.5 °C
Measuring Range - Humidity0 to 100 %RH
Measurement ParametersVolume flow, temperature, humidity, pressure, CO2, dew point, wet bulb temperature
Humidity Range0 to 100 %RH

Summary

Instrument Initial Operation

Battery Installation

Instructions for inserting batteries into the instrument.

First Measurement Guide

Initial Instrument Setup

Settings required before taking the first measurement.

Instrument Overview and Description

Keypad and Connection Ports

Details on the instrument's buttons and connection ports.

Performing Current Measurements

Powering On and Parameter Selection

Steps to turn on the instrument and select measurement parameters.

Configuring Parameter Settings

System Adjustment and Calibration

Adjusting instrument settings for probe calibration.

Pressure Probe Initialization and Velocity Activation

Initializing pressure probes and activating velocity/volume flow.

Instrument Configuration Options

Battery and Mains Power Options

Information on battery and mains unit power options.

Pressure and Density Compensation Settings

Compensating for pressure and density.

CO and CO2 Measurement

Determining Absolute Pressure

Determining absolute pressure using tables and calculations.

Troubleshooting Error Messages

Troubleshooting common error messages and their remedies.

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