HT HT7 User Manual

HT7
EN - 1
Table of content:
1. SAFETY PRECAUTIONS AND PROCEDURES .......................................................... 2
1.1. Preliminary ...................................................................................................................... 2
1.2. During use ....................................................................................................................... 3
1.3. After use .......................................................................................................................... 3
1.4. Overvoltage categories - definitions ................................................................................. 3
2. GENERAL DESCRIPTION ........................................................................................... 4
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
4.2. Description of symbols at display ..................................................................................... 5
4.3. Initial autotest .................................................................................................................. 5
4.4. DC Voltage measurement ............................................................................................... 6
4.5. AC Voltage measurement ................................................................................................ 7
4.6. AC Voltage measurement with low input impedance ....................................................... 8
4.7. 1-wire AC Voltage Detection (polarity) ............................................................................. 9
4.8. Phase sequence indication ............................................................................................ 10
4.9. Continuity test ................................................................................................................ 11
5. MAINTENANCE.......................................................................................................... 12
5.1. General information ....................................................................................................... 12
5.2. BatterY replacement ...................................................................................................... 12
5.3. Cleaning ........................................................................................................................ 12
5.4. End of life ...................................................................................................................... 12
6. TECHNICAL SPECIFICATIONS................................................................................. 13
6.1. Technical characteristics ............................................................................................... 13
6.1.1. Electrical characteristics .......................................................................................................13
6.1.2. Reference guidelines ............................................................................................................13
6.1.3. General specifications...........................................................................................................14
6.2. Environment .................................................................................................................. 14
6.2.1. Environmental conditions ......................................................................................................14
6.3. Accessories ................................................................................................................... 14
6.3.1. Standard accessories ...........................................................................................................14
6.3.2. Optional accessories ............................................................................................................14
7. SERVICE .................................................................................................................... 15
7.1. Warranty conditions ....................................................................................................... 15
7.2. Service .......................................................................................................................... 15

HT HT7 Specifications

General

Brand	HT
Model	HT7
Category	Measuring Instruments
Language	English