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1750
Operators Manual
50
Input Specifications
Measurement Types ......................................... One Phase Plus Neutral, One Phase IT No Neutral, One Phase Split
Phase, Three Phase Wye, Three Phase Delta, Three Phase IT, Three
Phase High Leg, Three Phase Open Leg, 2 Element Delta, 2 ½
Element Wye
Input Channels .................................................. Voltage: 5 channels, AC/DC Current: 5 channels
Voltage Channels.............................................. Input resistance: 2 MΩ
Input capacitance: <20 pF
Current Channels.............................................. Self-identifying probes
Types available: current clamps, Flexi-CTs
Measuring Method ............................................ Simultaneous digital sampling of voltage and current. Digital PLL
synchronized sampling, internal frequency reference used during
voltage drops.
Synchronization and Sampling
PLL-Synchronization Source........................... The PLL synchronizes to the A-N/L1-N voltage for wye power types,
and to the A-B/L1-L2 voltage for delta power types. All listed power
types can be characterized as either wye or delta.
PLL Lock Range................................................ 42.5 to 69 Hz
Sampling Frequency ........................................ Voltage and current: 256 samples/cycle
Inter-harmonics per IEC61000-4-7: 2560 points / 10 cycles (50 Hz),
3072 points/12 cycles (60 Hz)
Transient Voltage: 5 MHz
A/D Resolution .................................................. Voltage and current: 24 bits
Transient voltage: 14 bits
Voltage and Current Measurements
Voltage Measurement Range........................... AC voltage: 1000 V rms ± 10 % Overrange
DC voltage: ± 1000 V + 10 % Overrange
Voltage Crest Factor......................................... 3 or less
Voltage Input Impedance ................................. 2 MΩ
Current Measurement Range........................... Depends on current probe used
Current Crest Factor......................................... 4 or less
Current Input Characteristics .......................... 2 V rms = full scale, 1 MΩ Input Impedance for ferro CTs, low
impedance for Flexi-CTs
Voltage and Current Measurement Accuracy
RMS Voltage
Measurement Type............................................. True rms calculated continuously: every cycle, every 1/2 cycle, and
every 10 or 12 cycles at 50 or 60 Hz respectively, as required by IEC
61000-4-30.
Measurement Uncertainty................................... AC: ± 0.2 % reading ± 0.1 % full scale above 50 V rms
DC: ± 0.5 % reading ± 0.2 % full scale above 50 V dc
If the ac component of a dc signal is below 40 V rms, the dc
uncertainty specification may have an offset.
RMS Current
Measurement Type............................................. True rms calculated continuously: every cycle, every 1/2 cycle, and
every 10 or 12 cycles at 50 or 60 Hz respectively, as required by
standards
Measurement Uncertainty................................... ± (0.1 % full scale + 0.5 % reading + current sensor accuracy, valid for
5 % to 100 % of current sensor range
Current Accuracy ................................................ Ferromagnetic Clamps
± (0.1 % full scale + 0.2 % reading + current sensor accuracy), valid for
5 % to 100 % of current sensor range
Flexible Current Probes
± (0.1 % full scale + 0.5 % reading + current sensor accuracy), valid for
5 % to 100 % of current sensor range
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
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