FLUKE-1750-TF/ET Three-Phase Power Quality Recorder

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Specifications: Fluke 1750-TF Three-Phase Power Quality Recorder

Technical Specifications
Power quality measurement standards	Conformance	IEC 61999-1-4 Class 1, IEC 61000-4-30 Class A, S or B depending on measurement function, IEEE519, IEEE1159, IEEE1459 and EN50160
	Clock/calendar	Leap years, 24-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 240 Vrms ±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 x 310 x 35 mm (8.5 x 12.2 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
	Input channels	Current: 5 channels
	Voltage channels	Input resistance: 2 MΩ
	Voltage channels	Input capacitance: < 20 pF
	Current input characteristics	2 Vrms = 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: 256 samples/cycle Inter-harmonics per IEC 61000-4-7: 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 Vrms ±10% over range
	Voltage measurement 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 Vrms
	Measurement uncertainty	DC: ±0.5% reading ±0.2% full scale, above 50 VDC
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 ±20 V (test parameters: 1000 VDC, 1000 Vrms, 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)
	Displayed data	Amplitude and duration of dip or interruption
	Measurement	Same as rms voltage
Voltage dropout (interruption)	Measurement type	Same as voltage dip
LAN interface	Connector	RJ-45
	Speed and type	10/100 Base-T, auto MDIX
	Communications protocol	TCP/IP over Ethernet
Wireless controller interface	Connection	wireless (2.4 GHz radio)
	Speed	up to 700 kbit/second
	Communications protocol	Bluetooth SPP
Power Measurements
Power, battery life	Measurement type	True RMS calculated continuously: every cycle, and every 10 or 12 cycles at 50 or 60 Hz respectively, as required by standards
Frequency	Measurement range	42.5 to 69 Hz
	Measurement source	Same as PLL synchronization source
	Measurement accuracy	±10 mHz (10 to 110% of range, with sine wave)
Power factor	Measurement range	0.000 to 1.000
Power factor	Measurement accuracy	±1 digit from the calculation of each measured value (±3 digits for total)
Displacement power factor	Measurement method	Calculated from the phase difference between voltage fundamental and current fundamental
	Measurement range	– 1.000 (leading) to + 1.000 (lagging)
	Measurement accuracy	±0.5% reading ±2% full scale ±1 digit
Voltage unbalance and phase sequence	Measurement method	Positive sequence voltage divided by negative sequence voltage, per IEC 61000-4-30
Harmonic voltage and current	Analysis window	rectangular
	Analysis order	1st to 50th order
	Measurement accuracy	Voltage / Current: 1st to 20th orders: ±0.5% reading ±0.2% full scale, 21st to 50th orders: ±1% reading ±0.3% full scale (current sensor accuracy must be included for current and power)
	Measurement method	IEC 61000-4-7
Inter-harmonic voltage and current (intermediate harmonics)	Analysis window	rectangular
	Analysis orders	1.5 to 49.5th order
	Measurement method	IEC 61000-4-7
Flicker	Measurement method	IEC 61000-4-15
	Measurement method	Plt for 2 hours and Pst for 10 minutes
	Measuring range	0, 1 to 5 (25) depending on voltage level, modulation and frequency
Environmental Specifications
Environmental	Operating environment	Indoors or in covered area outdoors, up to 2000 m altitude
	Storage temperature and humidity	-20°C to 50°C, 80% RH max, non-condensing
	Operating temperature and humidity	0°C to 40°C, 80% RH max, non-condensing
Maximum rated working voltage	Voltage terminals	1100 Vrms
	Voltage durability	5550 Vrms AC for 1 minute, between voltage input terminals, voltage input terminals and current probes, and voltage input terminals and case (50/60 Hz, 1 mA sense current)
	Enclosure protection	IP30 (per EN 60529)
Standards	EMC	EN 61326-1:1997+A1:1998 Class A
		EN 61000-3-2:1995+A1:1998+A2:1998
		EN 61000-3-3:1995
	Safety	EN 61010-1 2 nd Edition; 2 000
	Safety	Voltage input unit: Contamination Level 2 , Overvoltage Category 1000 V CAT III, 600 V CAT IV (anticipated overvoltage: 8000 V)