5
5.5.1 Total Interharmonic Distortion.............................................................................99
5.6 Mains signalling..........................................................................................100
5.7 Unbalance ..................................................................................................101
5.8 Voltage dips, swells and interruptions ........................................................103
5.9 Transients and overvoltages.......................................................................105
5.10 CBEMA and ANSI curves...........................................................................107
5.11 Averaging the measurement results...........................................................109
6Technical data..................................................................................... 112
6.1 Inputs..........................................................................................................112
6.2 Sampling and RTC.....................................................................................113
6.3 Transient module ..............................................................113
6.4 Measured parameters - accuracy, resolution and ranges...........................113
6.4.1 Reference conditions........................................................................................113
6.4.2 The measurement uncertainty due to ambient temperature ..............................113
6.4.3 Voltage.............................................................................................................114
6.4.4 Current .............................................................................................................114
6.4.5 Frequency.........................................................................................................115
6.4.6 Harmonics ........................................................................................................115
6.4.7 Interharmonics..................................................................................................116
6.4.8 Harmonic Powers .............................................................................................116
6.4.9 Power and energy.............................................................................................116
6.4.10 Estimating measurement uncertainty values for power and energy...................117
6.4.11 Flicker...............................................................................................................119
6.4.12 Unbalance ........................................................................................................119
6.4.13 Mains signalling................................................................................................119
6.4.14 Transients ............................................................................119
6.4.15 External temperature .........................................................................119
6.5 Event detection - voltage and current RMS................................................120
6.6 Event detection - other parameters ............................................................120
6.6.1 Event detection hysteresis................................................................................121
6.7 Recording...................................................................................................121
6.8 Power supply, battery, heater.....................................................................123
6.9 Supported networks....................................................................................124
6.10 Supported current probes...........................................................................124
6.11 Communication...........................................................................................124
6.12 Environmental conditions and other technical data ....................................125
6.13 Safety and electromagnetic compatibility ...................................................125
6.14 Standards...................................................................................................126
7Equipment........................................................................................... 127
7.1 Standard equipment (non-US model versions)...........................................127
7.2 Standard equipment (US model versions)..................................................127
7.3 Optional accessories..................................................................................128
7.3.1 C-4(A) current probe.........................................................................................128
7.3.2 C-5(A) current probe.........................................................................................130
7.3.3 C-6(A) current probe.........................................................................................132
7.3.4 C-7(A) current probe.........................................................................................133
7.3.5 F-1(A), F-2(A), F-3(A) current probes................................................................134
7.3.6 External active GPS antenna............................................................................136
