Fluke 1750 Three-Phase Power Quality Recorder 1750/NT


SKU: 1750/NT

In stock



  • Power quality that meets the standard: All measurements comply with IEC61000-4-30 standards for correct evaluation of all measured values including voltage, current, power, harmonics, flicker etc.
  • Quick and reliable configuration: PDA wireless “front panel interface provides a window into what the instrument is recording, enabling quick and reliable configuration even in awkward test locations
  • Threshold-free set up: Apply thresholds after data is collected with Fluke Power Analyze Software – no need to worry about missed information due to incorrect setups
  • Captures everything: Cross-channel and current triggering capture every measurement, on every channel, every time
  • Intuitive PC software: Easily analyze data and generate reports with automated EN50160 reporting and compliance
  • Reporting has never been easier: Auto Report creates either standard reports or customized reports with the minimum effort or hassle.  
  • Plug and play: Set up in minutes with self-identifying current probes and single-lead voltage connections
  • No need to reconnect wires: Swap channels internally with the wireless PDA or PC when connections are not correct
  • Measure every parameter: Voltage and current on three phases, neutral, and ground
  • 5 MHz, 8000 Vpk waveform capture: Get a detailed picture of even the shortest events
  • Quickly retrieve data: With included SD memory card or via the 100BaseT high-speed Ethernet connection



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



    • Long-term analysis: Uncover hard-to-find or intermittent issues; monitor critical equipment, capturing power quality events to correlate with equipment malfunction
    • 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
    • Equipment Installation/Commissioning: Benchmark: power system prior to install to insure quality of service

    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)
    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, 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
    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
    Measurement method  IEC 61000-4-15
       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

    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)
    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)

Additional information

Weight 8 lbs
Dimensions 13 × 13 × 13 in

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