Fluke Norma 4000 Power Analyzers

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  • Fluke Norma 4000 Power Analyzer
  • Fluke Norma 4000 Power Analyzer
  • Fluke Norma 4000 Power Analyzer

Key features

  • Compact power analyzer to assist engineers with developing and testing motors, inverters, lighting, power supplies, transformers, and automotive components
  • Features a simple user interface to ensure easy, intuitive operation
  • Measures voltage, current, and power harmonics up to the 40th harmonic for complete analysis
  • Offers a variety of standard configurations so users can choose the exact functionality required for their unique application

Product overview: Fluke Norma 4000 Power Analyzers

Reliable, highly accurate measurements for the test and development of power electronics.

The compact Fluke Norma Power Analyzer 4000 provides the latest measurement technology to assist engineers with the development and testing of motors, inverters, lighting, power supplies, transformers and automotive components.

Based on a patented, high-bandwidth architecture, the instrument delivers high-precision measurements of single or three-phase current and voltage, harmonics analysis, Fast Fourier Transformation (FFT) analysis, as well as calculations of power and other derived values.

The Fluke Norma 4000 Three-Phase Power Analyzer is a rugged, high-precision analyzer providing unmatched price performance for easy and reliable use in the field, or as a bench unit in laboratories and on test benches.


  • Electric motors and inverter drive systems – Through detailed spectrum analysis and dynamic torque calculation capabilities, switching losses caused by the inverter are accurately measured, and a thorough evaluation is made of torque transients and harmonics at higher frequencies.
  • Inverter drive system – Simultaneous measurement of all electrical and mechanical power parameters in the same time window enables users to observe the influence one component has on another, or on the whole system.
  • Lighting systems – A wide bandwidth of up to 10 MHz and a high sampling rate up to 1 MHz provide detailed signal analysis at ballast outputs. A unique shunt technique enables power measurements at very high frequencies. Simultaneous measurement of input and output power provides instant calculation of ballast losses.
  • Transformers – Synchronous six-phase power measurements enable highly accurate efficiency and loss calculations of large power transformers even at very low power factors. Synchronous multiphase resistance measurements of transformer coils are also possible.
  • Automotive – Synchronous electrical input and mechanical output measurements provide complete data on the efficiency and losses of individual components as well as the whole drive system.

Other useful features:

  • Performs simultaneous parallel acquisition of all phases to allow accurate viewing of dynamic events on all phases at exactly the same point in time
  • Compact design makes it easy to carry and saves working space
  • Provides galvanically isolated inputs to avoid short circuits in all applications
  • Includes FFT analysis, vector diagram, and digital oscilloscope (DSO) mode in the base unit for complete analysis capability
  • Offers user-selectable average time—from 15 ms up to 3600 s—for dynamic measurements
  • Includes 4 MB on-board memory (expandable to 128 MB) for storing measured values
  • Allows fast and easy connection to a PC; RS232 and USB included as standard; optional IEEE488, Ethernet, or USB2.0
  • Provides PI1 process interface to measure torque and speed with external sensors, plus four analog outputs for easy use on motor and drive applications
  • Features 341 kHz or 1 MHz sample rates for detailed signal analysis
  • Provides bandwidth from DC to 3 MHz or DC to 10 MHz for reliable measurement precision
  • Includes Fluke NormaView PC software for data download, analysis, and reporting

Specifications: Fluke Norma 4000 Power Analyzers

General Specifications
Number of Phases1 to 3
WeightApprox. 5 kg (11 lb)
Size150 x 237 x 315 mm
5.9 x 9.3 x 12.4 in
On-board PrinterNo
DisplayColor, 5.7 in / 144 mm - 320 x 240 pixel
User-selectable background lighting and contrast.
BandwidthDC to 3 MHz or DC to 10 MHz depending on input module
Basic Accuracy0.2%, 0.1% or 0.03% depending on input modules
Sampling Rate0.33 MHz or 1 MHz depending on input modules
Voltage Input Range0.3 V to 1000 V
Current Input Range (direct, not via shunt)0.03 mA to 20 A depending on input module
Memory for Configurations4 MB
Memory for Settings0.5 MB
Fast Fourier Transformation (FFT)To the 40th harmonic
RS232/USB InterfaceStandard
PI1 Process interface (8 analog/impulse inputs and 4 analog outputs)Optional
IEEE 488.2/GPIB interface (1 MBit/s Ethernet / 10 MBit/s or 100 MBit/s)Optional
Fluke NormaView PC software (for data download, analysis and report writing)Standard
Basic Functions
Fast Fourier Transformation (FFT)Calculation of harmonics with graphical representation. Up to 3 bar graphs are displayed at the same time.
Measured values: U, I, P per phase
Order: 1st to 40th harmonics, maximum half sample frequency
Digital Oscilloscope (DSO)Simultaneous display of up to 3 measured values on sample level. Quick view of curve form and distortion.
Integration function (energy)Simultaneous display of up to 6 configurable numeric values. Start/Stop conditions and positive negative direction available.
Vector DisplayVector display of HO1 up to 6 signals. For easy testing of the right connection of the instrument and quick overview of the phase angle of each signal.
RecorderDisplay of average values over time for trend determination.
RAM data memoryStoring of sample and average values; setting of start and stop conditions.
From the RAM approximately 4 MB are available for the storage of measured values.
ConfigurationSet up the analyzer to measure and display data in the format required.
Ambient Conditions
Working Temperature Range5°C to 35°C (41°F to 95°F)
Storage Temperature Range-20°C to 50°C (-4°F to 122°F)
Housing MaterialFluke Norma Power Analyzers are extremely compact and equipped with a solid metal case to meet stringent EMC requirements.
Climatic ClassKYG DIN 40040, max. 85% relative humidity, non-condensing.
Power supply85 V AC to 264 V AC, 50 Hz to 60 Hz, DC 100 to 260 V, ca. 40 VA European plug with switch. Binding post for current available on some models.
Measuring InputsSafety sockets 4 mm, 2 for each input. External shunt connection over BNC socket.
OperationMembrane keyboard with cursor – function keys and direct functions.
ConnectionsRear panel of the 3-phase Analyzer
Measured Values
 Non-gapping calculation of averaged values for each phase. In three phase system additionally calculation of total power and averaging of V and I of the three phases. The fundamental H01 will be calculated in synchronous mode also for these values.
  • Urms effective value, Urm rectified mean, Um mean value
  • Up-, Up+, Upp peak values
  • Ucf crest factor Ucf, Uff form factor
  • Ufc fundamental content
  • Uthd distortion factor DIN, IEC
  • Irms effective value, Irm rectified mean, Im mean value
  • Ip-, Ip+, Ipp peak values
  • Icf crest factor Icf, Iff form factor
  • Ifc fundamental content
  • Ithd distortion factor DIN, IEC
  • P active power [W]
  • Q reactive power [Var]
  • S apparent power [VA]
  • ë, cos. phase angular
  • Integral function for active power P, reactive power Q, apparent power S, voltage (Um) and current (Im),
  • Number of digits 4 or 5 dependent on measured value.
Frequency and Synchronization
RangeDC and 0.2 Hz to sample rate
Accuracy±0.01% of measured value (reading)
  • Channels which can be selected: all U/I or external input.
  • One of three low pass filter with different frequencies can be switched into the signal.
  • The frequency is always visible on the top of the screen.
  • The BNC synchronization socket on backside of the instrument can be used either as input or output.
  • The input signals can be measured up to the sample rate of the power phase. The maximum level must not be higher then 50 V.
  • The output signal is a pulsed 5Volts TTL signal (frequency depends on the measured synch frequency).
Configuration Memory
 Up to 15 user configurations can be saved into a permanent memory and reloaded later on. Changes that were not saved are lost after switching off the instrument.
 RS232 interface for upload of firmware and data exchange with the PC. A printer can be connected over an external converter.
OptionsIEEE 488.2 / 1 MBit/s
Ethernet / 10 MBit/s or 100 Mbit/s
Standards and Safety
Electrical SafetyEN 61010-1 / 2nd Edition 1000 V CAT II (600V CAT III)
Degree of pollution 2, safety Class I
EN 61558 for transformer
EN 61010-2-031/032 for accessories
Maximum inputsFor voltage inputs Measurement range 1000 Veff, 2 kVpeak
For current inputs Measurement range 10 Aeff, 20 Apeak
Test voltageNet inputcase (protective conductor): 1.5 KV AC
Net connectionMeasurement input: 5.4 kV AC
Measurement inputsCase: 3.3 kV AC
Measurement inputinput: 5.4 kV
Electromagnetic susceptibilityEmissionIEC 61326-1, EN 50081-1, EN 55011 Class B
ImmunityIEC 61326-1 / Annex A (industrial sector), EN 50082-1

Power Phases

The Fluke Norma 4000 Power Analyzer can be equipped with up to three power phases. Users can select the power phase best suited for their application.

Each modular plug-in power phase consists of a voltage and a current measurement channel. Each measuring channel is available for each basic unit, however only one kind of channel can be used per unit. Check standard configurations.

Power Phase Overview

Power Phase Channels
PP42Accuracy0.2% (0.1% rd + 0.1% rg)
Current range20 A
Sampling rate341 kHz
Bandwidth3 MHz
PP50Accuracy0.1% (0.05% rd + 0.05% rg)
Current range10 A
Sampling rate1 MHz
Bandwidth10 MHz
PP54Accuracy0.1% (0.05% rd + 0.05% rg)
Current range10 A
Sampling rate341 kHz
Bandwidth3 MHz
PP64Accuracy0.03% (0.02% rg + 0.01% rg)
Current range10 A
Sampling rate341 kHz
Bandwidth3 MHz

Current Shunts

Continuous load (Imin)
Range (Imax)
0.3 A
32 A
Nominal current (calibration point)32 A
Basic accuracy at calibration point [%]± 0.03
Basic accuracy at nominal current [%]± 0.03
Nominal voltage drop [V]320 mV
Nominal resistance [Ohm]10 mΩ
Short time overrange
(5s load 15s interval)
100A/ 1s-5s
Overload Wmax-
BandwidthDC - 1 MHz
Frequency range-
Angular accuracy [°/kHz]± 0.1
Frequency influence [%/kHz]-
Load influence [%/A2]-
Temperature coefficient [ppm/K]≤10
Weight (kg / lbs)0.62 /1.36

I need to current probes with BNC plug to connect and use it with fluke -N4K 3PP42IPB power analyzer.

Asked by: Dahesh

Hi, is it possible to use python for the measurement?

Asked by: balazs
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