Testboy TV 455 - Table of Contents

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TV 450/455 Table of contents
3
Table of contents
1 Preface ....................................................................................................................6
2 Safety and operational considerations.................................................................7
2.1 Warnings and notes ..........................................................................................7
2.2 Battery and charging .......................................................................................10
2.2.1 New battery cells or cells unused for a longer period...............................11
2.3 Standards applied ...........................................................................................12
3 Instrument description.........................................................................................13
3.1 Front panel ......................................................................................................13
3.2 Connector panel ..............................................................................................15
3.3 Back side.........................................................................................................16
3.4 Display organization ........................................................................................17
3.4.1 Terminal voltage monitor..........................................................................17
3.4.2 Battery indication......................................................................................17
3.4.3 Message field ...........................................................................................17
3.4.4 Result field ...............................................................................................18
3.4.5 Sound warnings .......................................................................................18
3.4.6 Help screens ............................................................................................18
3.4.7 Backlight and contrast adjustments..........................................................19
3.5 Instrument set and accessories.......................................................................20
3.5.1 Standard set TV 450/455 .........................................................................20
3.5.2 Optional accessories ................................................................................20
4 Instrument operation............................................................................................21
4.1 Function selection ...........................................................................................21
4.2 Settings ...........................................................................................................22
4.2.1 Language .................................................................................................22
4.2.2 Initial settings ...........................................................................................23
4.2.3 Memory ...................................................................................................24
4.2.4 Date and time...........................................................................................24
4.2.5 RCD standard .........................................................................................25
4.2.6 Isc factor...................................................................................................26
4.2.7 Commander support.................................................................................26
5 Measurements ......................................................................................................28
5.1 Voltage, frequency and phase sequence ........................................................28
5.2 Insulation resistance........................................................................................30
5.3 Resistance of earth connection and equipotential bonding .............................32
5.3.1 R LOWΩ, 200 mA resistance measurement ............................................33
5.3.2 Continuous resistance measurement with low curren ..............................34
5.3.3 Compensation of test leads resistance.....................................................34
5.4 Testing RCDs ..................................................................................................36
5.4.1 Contact voltage (RCD Uc)........................................................................37
5.4.2 Trip-out time (RCDt) .................................................................................38
5.4.3 Trip-out current (RCD I)............................................................................39
5.4.4 RCD Autotest ...........................................................................................40