TESTO 174 User Manual

1 Contents
19
1 Contents
1 Contents .................................................................................................19
2 Safety and the environment..................................................................20
2.1. About this document......................................................................20
2.2. Ensure safety.................................................................................21
2.3. Protecting the environment............................................................21
3 Specifications ........................................................................................22
3.1. Use ................................................................................................22
3.2. Technical data ...............................................................................22
4 First steps ..............................................................................................24
4.1. Releasing/securing data logger .....................................................24
4.2. Inserting batteries ..........................................................................25
4.3. Connecting data logger to PC........................................................26
5 Display and control elements...............................................................27
5.1. Display...........................................................................................27
5.2. Key functions.................................................................................28
6 Using the product..................................................................................29
6.1. Programming data logger ..............................................................29
6.2. Mounting wall bracket....................................................................29
6.3. Reading out data ...........................................................................29
7 Maintaining the product........................................................................30
7.1. Changing the batteries ..................................................................30
7.2. Cleaning the instrument.................................................................31
8 Tips and assistance...............................................................................32
8.1. Questions and answers .................................................................32
8.2. Accessories and spare parts .........................................................32

TESTO 174 Specifications

General

Temperature Range	-20 to +70 °C
Humidity Measuring Range	0 to 100 %RH
Memory Capacity	16, 000 readings
Measuring Rate	1 min to 24 h
Temperature Accuracy	±0.5 °C
Humidity Accuracy	±3 %RH