Fluke 1746 B EUS Three-Phase Power quality logger

Fluke 1746 B EUS Includes:

  • Fluke 1746 Logger
  • Soft storage bag/case
  • Voltage test lead (3-phase + N)
  • Alligator clips (blue) (x2)
  • Alligator clips (black) (x4)
  • Set of cable markers
  • Mains power cable
  • Mains adapter MA-C8
  • Set of 2 test leads (stack and non-stackable, blue, 7 in.)
  • Set of 2 test leads (non-stackable, blue, 79 in.)
  • USB Cable
  • Magnet probes (x4)
  • WiFi/BLE-to-USB Adapter

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Fluke 1746/B/EUS Power quality logger without iFlex current probes, EU/US version

The Fluke 1746 B EUS Power Quality Logger, designed for the EU and US markets, is a comprehensive tool for analyzing and logging power quality without the inclusion of iFlex current probes. This device is particularly suited for technicians and engineers who require a robust solution for troubleshooting, quantifying energy usage, and analyzing power distribution systems. It’s optimized for a user-friendly experience with an intuitive interface and intelligent verification functions to ensure accurate measurements and reduce setup errors.

Key features of Fluke Power quality logger include the ability to measure essential power quality parameters like harmonics, interharmonics, unbalance, flicker, and rapid voltage changes with high accuracy, meeting the IEC 61000-4-30 Class A standard. It also offers one-touch reporting through the included Fluke Energy Analyze Plus Software, enabling the creation of standardized reports according to commonly used standards such as EN 50160, IEEE 519, and others.

Fluke Power Quality Logger

The hardware is designed to be rugged and reliable, suitable for harsh environments with an IP65 rating when used with an appropriate voltage input adapter. It allows for comprehensive logging with more than 20 separate sessions, ensuring no loss of measurement trends. The device also features flexible power supply options, being able to power directly from the measured circuit or through a standard power line, and includes two external USB ports for easy data transfer.

Additionally, the Fluke 1746/B/EUS is compact, making it ideal for tight spaces, and has a high safety rating for use at the service entrance and downstream. It’s complemented by optimized measurement accessories for ease of installation even in confined spaces.

Fluke 1746 B EUS Features

  • Measure key power quality parameters harmonics and interharmonics for voltage and current, unbalance, flicker and rapid voltage changes.
  • Measure with premium accuracy rigorous IEC 61000-4-30 Class A Edition 3 standard for ‘Testing and measurement techniques–Power quality measurement methods.’
  • One-touch standardized reporting including EN 50160, IEEE 519, GOST 33073 or export data in PQDIF or NeQual compatible format for use with third party software using Fluke Energy Analyze Plus Software.

Fluke 1746 B EUS Specifications:

Electrical Specifications
Power Supply
Voltage range100 V to 500 V using safety plug input when powering from the measurement circuit
100 V to 240 V MA-C8 and using standard power cord (IEC 60320 C7)
Power consumptionMaximum 50 VA (max. 15 VA when powered using MA-C8 adapter)
Efficiency≥ 68.2% (in accordance with energy efficiency regulations)
Maximum no-load consumption< 0.3 W only when powered using IEC 60320 input
Mains power frequency50/60 Hz ±15%
BatteryLi-ion 3.7 V, 9.25 Wh, customer-replaceable
On-battery runtimeTypically 4 hours
Charging time< 6 hours
Data Acquisition
Resolution16-bit synchronous sampling
Sampling frequency10.24 kHz at 50/60 Hz, synchronized to mains frequency
Input signal frequency50/60 Hz (42.5 to 69 Hz)
Circuit types1-Φ, 1-Φ IT, split phase, 3-Φ delta, 3-Φ wye, 3-Φwye IT, 3-Φ wye balanced, 3-Φ Aron/Blondel (2-element delta), 3-Φ delta open leg, currents only (load studies)
Data storageInternal flash memory (not user replaceable)
Memory sizeTypical 20 logging sessions of 4 weeks with 1-minute intervals and 500 events
Basic Interval
Measured parametersVoltage, current, aux, frequency, THD V, THD A, power, power factor, fundamental power, DPF, energy
Averaging intervalUser selectable: 1 sec, 5 sec, 10 sec, 30 sec, 1 min, 5 min, 10 min, 15 min, 30 min
Averaging time min/max valuesVoltage, Current: Full cycle RMS updated every half cycle (URMS1/2 according to IEC61000-4-30 Aux, Power: 200ms)
Demand Interval (Energy Meter Mode)
Measured parametersEnergy (Wh, varh, VAh), PF, maximum demand, cost of energy
IntervalUser selectable: 5 min, 10 min, 15 min, 20 min, 30 min, off
Power Quality Measurements
Measured parameterVoltage, frequency, unbalance, voltage harmonics, THD V, current, harmonics, THD A, TDD, voltage interharmonics, TID V, current interharmonics, TID A, Flicker, Mains Signaling, under/over deviation
Averaging interval10 min for all parameters
2 hrs (long term Flicker PLT)
150/180 cycles (3 s) for harmonics (requires software license IEEE519/REPORT)
Individual harmonics2nd to 50th harmonic
Grouping according to IEC 61000-4-7 user configurable depending on application: Sub-grouped (harmonics + interharmonics), grouped or harmonic bins only
Interharmonics1st to the 50th interharmonic
Total harmonic distortionCalculated on 50 voltage harmonics
EventsVoltage: dips, swells, interruptions, current: inrush current
1748: mains signaling, transients (low frequency)
Triggered recordingsRMS profile: Full cycle RMS updated every half cycle of voltage and current up to 11 s (URMS1/2 according to IEC 61000-4-30)
Waveform of voltage and current up to 200 ms, 10/12 cycles
Mains signaling: 10/12 cycle RMS recording of the configured frequencies up to 120s
InrushRMS profile based on 1/2 cycle RMS steady state triggering
FlickerIn accordance with IEC 61000-4-15 and IEEE 1453
Mains signalingTwo user defined frequencies up to 3 kHz
PQ HealthSummarizes power quality measurements in one table. Detailed data available for each parameter
EN 50160Compliance with standard
Programmable PQ limitsEnables user defined limits for local standards compliance
Standards Compliance
HarmonicsIEC 61000-4-7: Class 1
IEEE 519 (short time and very short time harmonics)
Power qualityIEC 61000-4-30 Class A, IEC 62586-1, IEC 62586-2 (PQI-A-PI device)
PowerIEEE 1459
Power quality complianceEN 50160
SafetyGeneral: IEC 61010-1: Pollution Degree 2
Measurement: IEC 61010-2-033: CAT IV 600 V / CAT III 1000 V
Power Supply: Overvoltage Category IV, Pollution Degree 2
Li-ion Battery: IEC 62133
USB-AFile transfer via USB flash drive, firmware updates, max. supply current: 120 mA
Wi-Fi (free with product registration)File transfer and remote control via direct connection or Wi-Fi infrastructure
BluetoothRead auxiliary measurement data from Fluke Connect® 3000 series modules (requires supported USB to BLE or Wi-Fi/BLE adapter, check for availability)
USB-miniData download device to PC
Voltage Inputs
Number of inputs4 (3 phases referenced to neutral)
Maximum input voltage1000 Vrms, CF 1.7
Input impedance10 MΩ
Bandwidth42.5 Hz to 3.5 kHz
Scaling1:1 and variable
Measurement category1000 V CAT III/600 V CAT IV
Current Inputs
Number of inputs4 (3 phases and neutral), mode selected automatically for attached sensor
Input voltageClamp input: 500 mVrms/50 mVrms; CF 2.8
Rogowski coil input: 150 mVrms/15 mVrms at 50 Hz, 180 mVrms/18 mVrms at 60 Hz; CF 4 all at nominal probe range
Range1 A to 150 A/10 A to 1500 A with thin flexible current probe i17XX-flex1500 IP 24
3 A to 300 A/30 A to 3000 A with thin flexible current probe i17XX-flex3000 IP 24
6 A to 600 A/60 A to 6000 A with thin flexible current probe i17XX-flex6000 IP 36
40 mA to 4 A/0.4 A to 40 A with 40 A clamp i40s-EL
Bandwidth42.5 Hz – 3.5 kHz
Scaling1:1 and variable
Auxiliary Inputs
Number of inputs2 (Analog with auxiliary adapter, or up to 2 BLE devices simultaneously)
Input range0 to ± 10 V dc, or 0 to ± 1000 V dc (with optional adapter), 1 reading/s
Scale factorFormat: mx + b (gain and offset) user configurable
Displayed unitsUser configurable (7 characters, for example, °C, psi, or m/s)
Wireless Bluetooth connection (check for availability)
Number of inputs2
Supported modulesFluke Connect® 3000 series
Acquisition1 reading/s
Environmental Specifications
Operating temperature-25 °C to +50 °C (-13 °F to 122 °F)1
Storage temperatureWithout battery: -25 °C to +60 °C (-13 °F to 140 °F), with battery: -20 °C to +50 °C (−4 °F to 122 °F)
Operating humidityIEC 60721-3-3: 3K6:
-25 °C to +30 °C (-13 °F to +86 °F): ≤ 100 %
40 °C (104 °F): 55 %
50 °C (122 °F): 35 %
Operating altitude2000 m (up to 4000 m derate to 1000 V CAT II/600 V CAT III/300 V CAT IV)
Storage altitude12,000 m
EnclosureIEC 60529: IP50
IEC 60529: IP65 with IP65 rated voltage connector
VibrationIEC 60721-3-3 / 3M2
Electromagnetic compatibility (EMC)EN 61326-1: Industrial CISPR 11: Group 1, Class A
IEC 61000-6-5 Power station environment
Korea (KCC): Class A Equipment (industrial broadcasting and communication equipment)
USA (FCC): 47 CFR 15 subpart B. This product is considered an exempt device per clause 15.103
General Specifications
WarrantyTwo-years (battery not included)
Accessories: one-year
Calibration cycle: two-years
Dimensions23.0 cm x 18.0 cm x 5.4 cm (9.1 in x 7.1 in x 2.1 in)
WeightInstrument: 1 kg (2.2 lb)
Tamper protectionAccept securing cables (max. Φ 6mm)
1Warm up the product to -10 °C (+14 °F) before you power the unit on
i17XX-FLEX1.5KIP Flexible Current Probe Specifications
Measuring range1 to 150 A ac/10 to 1500 A ac
Probe cable length610 mm (24 in)
Probe cable diameter7.5 mm (0.3 in)
Weight170 g (0.38 lb)
Minimum bending radius38 mm (1.5 in)
Nondestructive current100 kA (50/60 Hz)
Temperature coefficient over
operating temperature range
0.05 % of reading/°C (0.028 % of reading/°F)
Working voltage1000 V CAT III, 600 V CAT IV
Output cable length2.0 m (6.5 ft)
Probe cable materialTPR
Weight115 g
Probe cable materialTPR
Coupling materialPOM + ABS/PC
Output cableTPR/PVC
Operating temperature-20 °C to +70 °C (-4 °F to 158 °F) temperature of conductor under test shall not exceed 80 °C (176 °F)
Temperature, non-operating-40 °C to +80 °C (-40 °F to 176 °F)
Relative humidity, operating15% to 85% non-condensing
IP ratingIEC 60529: IP65
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Fluke Corporation Since its founding in 1948, Fluke has helped define and grow a unique technology market, providing testing and troubleshooting capabilities that have grown to mission critical status in manufacturing and service industries. Every new manufacturing plant, office, hospital, or facility built today represents another potential customer for Fluke products. From industrial electronic installation, maintenance and service, to precision measurement and quality control, Fluke tools help keep business and industry around the globe up and running. Typical customers and users include technicians, engineers, metrologists, medical-device manufacturers, and computer network professionals — people who stake their reputations on their tools, and use tools to help extend their personal power and abilities.