Fluke 1750 Three-Phase Power Quality Recorder

Record three-phase power quality and monitor for power quality disturbances with the new Fluke 1750 Three Phase Power Recorder and the Fluke Power Analyzer software. These power meters automatically record every power quality parameter and event, on every cycle – all the time.

Never miss capturing a disturbance - with the exclusive threshold-free measurement system, it’s automatic. Capture every measurement, every event, on every cycle, all the time with the Fluke 1750 Three Phase Power Recorder. Unprecedented accuracy and resolution provide complete visibility into your distribution system. The recorder automatically detects, scales, and powers current probes without needing batteries.

Requiring only single-lead voltage connections enables safe and quick setups. Once power is applied the instrument automatically begins recording and LEDs give you assurance that the recorder is powered up and signals are within range – no more uncertainty that data is being recorded. The Fluke 1750 Three Phase Power Quality Recorder has an exclusive capture algorithm which makes certain all events are captured without the tedious setups and blind spots associated with threshold driven equipment.

The PDA wirelessly interfaces with the recorder, allowing quick setup and verification with waveform displays, meter screens, and phasor diagrams. The built-in wireless technology allows you to control multiple instruments from a distance easily, without the need for a laptop computer (laptops can also be used when desired).

Applications:

Long-term analysis: Uncover hard-to-find or intermittent issues
Power quality surveys: Quantify power quality throughout a facility, documenting results with professional reports
Quality of service compliance: Validate incoming power quality at the service entrance
Semi-permanent monitoring: Monitor critical equipment, capturing power quality events to correlate with equipment malfunctions

What's Included:

• 1750 aquisition unit
• PDA wireless “front panel interface” and charger power plug adapters
• 4 - 400A current probes (3140)
• 5 Test leads and clips
• SD memory card
• Fluke Power View and Fluke Power Analyze software
• Power cord with international plug set
• Ethernet cable
• Color localization set
• Printed Getting Started manual
• Product CD with software and user manual PDF

Full Review

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 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 1 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) 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	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 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 2 0th orders: ± 0.5 % reading ± 0.2 % full scale, 2 1st 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

Environmental Specifications
Environmental	Operating environment Indoors or in covered area outdoors, up to 2 000 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 V rms Voltage durability 5550 V rms 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 Voltage input unit: Contamination Level 2 , Overvoltage Category 1000 V CAT III, 600 V CAT IV (anticipated overvoltage: 8000 V)

View data the way you want

The new Fluke Power Analyze software revolutionizes your ability to analyze data.  No need to worry about thresholds – with Fluke Power Analyze, thresholds can be modified after the data is recorded! And the easy-to-use user interface will display voltage as a phase-to-phase or phase-to-neutral reading.

Apply thresholds to data after collection using a variety of standard or customized templates.Simplified report writer feature included in Fluke Power Analyze.

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