Fluke 1750 Three-Phase Power Recorder | EMIN.CO.TH

Fluke 1750 Three-Phase Power Recorder

Name: Fluke 1750 Three-Phase Power Recorder
Brand: FLUKE

ManufacturerFLUKE(View more products from this manufacturer)

Model1750

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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, 21/2 Element Wye
Input channels: Voltage: 4 channels, ac/dc; Current: 5 channels
Voltage channels: Input resistance: 2 MΩ; Input capacitance: < 2 0 pF
Current input characteristics: 2 V rms = full scale, 1 MΩ Input Impedance for ferro CTs, low impedance for Flexi-CTs
Measuring method: Simultaneous digital sampling of voltage and current. Digital PLL synchronized sampling, internal frequency reference used during voltage drops.
PLL-synchronization source: The PLL synchronizes to the A-N voltage for wye power types, and to the A-B 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: 2 56 samples/cycle Inter-harmonics per IEC 61000-4-7: 2 560 points/10 cycles (50 Hz), 3072 points/12 cycles (60 Hz) Transient Voltage: 5 MHz
A/D resolution: Voltage and current: 2 4 bits; Transient voltage: 14 bits
Voltage measurement range: AC voltage: 1000 V rms ± 10 % over range; DC voltage: ± 1000 V + 10 % over range
Voltage crest factor: 3 or less
Current measurement range: Depends on current probe used
Current crest factor: 4 or less
- 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
- 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
- Transient voltage (impulse)
Measurement type: Waveshape sampling
Full scale: 8000 V pk
Sample resolution: 200 nS
Measurement uncertainty: ± 5 % reading ± 2 0 V (test parameters: 1000 V dc, 1000 V rms, 100 kHz)
Communications protocol: Bluetooth SPP, TCP/IP over Ethernet

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Technical Specifications

Power quality measurement standards

Conformance	IEC 61999-1-4 Class 1, IEC 61000-4-30 Class A or B depending on measurement function, IEEE519, IEEE1159, IEEE1459 and EN50160
Clock/calendar	Leap years, 2 4-hour clock
Real-time clock accuracy	Not more than ± 1 s/day
Internal memory capacity for data	At least 2 GB
Maximum recording period	At least 31 days
Measurement time control	Automatic
Maximum number of events	Limited only by the size of the internal memory
Power requirements	100 to 2 40 V rms ± 10 %, 47-63 Hz, 40 W
Operating time during interruptions (internal UPS operation)	5 minutes per interruption, 60 minutes total operating time without recharging
Dimensions	215 mm x 310 mm x 35 mm (8.5 in x 12.2 in x 3.5 in)
Mass (weight)	6.3 kg (14 lb)

Input

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, 21/2 Element Wye
Input channels	Voltage: 4 channels, ac/dc
	Current: 5 channels
Voltage channels	Input resistance: 2 MΩ
	Input capacitance: < 2 0 pF
Current input characteristics	2 V rms = full scale, 1 MΩ Input Impedance for ferro CTs, low impedance for 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 voltage for wye power types, and to the A-B 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: 2 56 samples/cycle Inter-harmonics per IEC 61000-4-7: 2 560 points/10 cycles (50 Hz), 3072 points/12 cycles (60 Hz) Transient Voltage: 5 MHz
A/D resolution	Voltage and current: 2 4 bits
	Transient voltage: 14 bits

Voltage and current measurements

Voltage measurement range	AC voltage: 1000 V rms ± 10 % over range
	DC voltage: ± 1000 V + 10 % over range
Voltage crest factor	3 or less
Current measurement range	Depends on current probe used
Current crest factor	4 or less

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

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

Transient voltage (impulse)

Measurement type	Waveshape sampling
Full scale	8000 V pk
Sample resolution	200 nS
Measurement uncertainty	± 5 % reading ± 2 0 V (test parameters: 1000 V dc, 1000 V rms, 100 kHz)

Voltage swell (rms swell)

Measurement type	True rms (one cycle calculation by overlapping each half cycle - voltage between lines is measured for 3P3W lines and phase voltage is measured for 3P4W lines)
Displayed data	Amplitude and duration of swell
Measurement	Same as rms voltage

Voltage dip (rms sag)

Measurement type	True rms (one cycle calculation by overlapping each half cycle - voltage between lines is measured for 3P3W lines and phase voltage is measured for 3P4W lines)
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