HT instruments HT154 User Manual
Page 2

HT154
EN - 1
Table of contents:
1. SAFETY PRECAUTIONS AND PROCEDURES ............................................................. 2
1.1. Preliminary ................................................................................................................ 2
1.2. During Use ................................................................................................................ 2
1.3. After Use ................................................................................................................... 3
2. GENERAL DESCRIPTION .............................................................................................. 3
3. PREPARATION FOR USE .............................................................................................. 4
3.1. Initial .......................................................................................................................... 4
3.2. Supply Voltage .......................................................................................................... 4
3.3. Calibration ................................................................................................................. 4
3.4. Storage ..................................................................................................................... 4
4. OPERATING INSTRUCTIONS ........................................................................................ 5
4.1. Instrument Description .............................................................................................. 5
4.1.1.
Commands description .................................................................................................. 5
4.1.2.
Display symbols description .......................................................................................... 5
4.2. Function key description ........................................................................................... 6
4.2.1.
ON/OFF key .................................................................................................................. 6
4.2.2.
A/C function key ............................................................................................................ 6
4.2.3.
LEVEL key ..................................................................................................................... 6
4.2.4.
FAST/SLOW key ........................................................................................................... 6
4.2.5.
MAX/MIN key ................................................................................................................ 6
4.3. Measurements .......................................................................................................... 7
4.3.1.
Connection to analogical AC and DC output ................................................................. 7
4.3.2.
Calibration procedure .................................................................................................... 8
5. MAINTENANCE .............................................................................................................. 9
5.1. General information ................................................................................................... 9
5.2. Battery replacement .................................................................................................. 9
5.3. Cleaning .................................................................................................................... 9
5.4. End of life .................................................................................................................. 9
6. TECHNICAL SPECIFICATIONS ................................................................................... 10
6.1. Technical Characteristics ........................................................................................ 10
6.2. General Characteristics ........................................................................................... 10
6.3. Environmental conditions ........................................................................................ 11
6.3.1.
Climatic conditions ...................................................................................................... 11
6.3.2.
EMC ............................................................................................................................ 11
6.4. Accessories ............................................................................................................. 11
6.4.1.
Standard accessories .................................................................................................. 11
7. SERVICE ....................................................................................................................... 12
7.1. Warranty Conditions ................................................................................................ 12
7.2. Service .................................................................................................................... 12