Fluke 1738 EUS Advanced Power Logger, EU and US version (includes current probes)

The Fluke 1738/EUS Advanced Power Logger is designed for comprehensive power quality analysis in both the European Union and the United States. It comes equipped with current probes to facilitate detailed monitoring and recording of power quality parameters. This tool is aimed at professionals who need to troubleshoot, analyze, and optimize electrical systems, ensuring compliance with power quality standards and enhancing system reliability and efficiency.

Fluke 1738EUS Features

Versatile, three-phase power loggers for conducting energy, load and power quality studies.
Automatically capture and log voltage, current, power, harmonics and associated power quality values, and capture dips, swells, and inrush currents with event waveform snapshots and high-resolution RMS profiles.
Convenient instrument powering directly from the measured circuit
Download and analyze every detail of energy consumption and power quality state of health with our automated reporting.

Fluke 1738/EUS Specifications:

Electrical Specifications of Fluke 1738B
Power Supply
Voltage range	100 V to 500 V using safety plug input when powering from the measurement circuit
Voltage range	100 V to 240 V using standard power cord (IEC 60320 C7)
Power consumption	Maximum 50 VA (max. 15 VA when powered using IEC 60320 input)
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 frequency	50/60 Hz ±15%
Battery	Li-ion 3.7 V, 9.25 Wh, customer-replaceable
On-battery runtime	Four hours in standard operating mode, up to 5.5 hours in power saving mode
Charging time	< 6 hours
Data Acquisition
Resolution	16-bit synchronous sampling
Sampling frequency	10.24 kHz at 50/60 Hz, synchronized to mains frequency
Input signal frequency	50/60 Hz (42.5 to 69 Hz)
Circuit types	1-φ, 1-φ IT, Split phase, 3-φ delta, 3-φ wye, 3-φ wye IT, 3-φ wye balanced, 3-φ Aron/Blondel (2-element delta), 3-φ delta open leg, Currents only (load studies)
Data storage	Internal flash memory (not user replaceable)
Memory size	Typical 10 logging sessions of 8 weeks with 1-minute intervals and 500 events¹
¹The number of possible logging sessions and logging period depends on user requirements.
Basic Interval
Measured parameters	Voltage, current, aux, frequency, THD V, THD A, power, power factor, fundamental power, DPF, energy
Averaging interval	User selectable: 1 sec, 5 sec, 10 sec, 30 sec, 1 min, 5 min, 10 min, 15 min, 30 min
Averaging time min/max values	Voltage, Current: Full cycle RMS updated every half cycle (URMS1/2 according to IEC61000-4-30 Aux, Power: 200ms
Demand Interval (Energy Meter Mode)
Measured parameters	Energy (Wh, varh, VAh), PF, maximum demand, cost of energy
Interval	User selectable: 5 min, 10 min, 15 min, 20 min, 30 min, off
Power Quality Measurements
Measured parameter	Voltage, frequency, unbalance, voltage harmonics, THD V, current, harmonics, THD A, TDD
Averaging interval	10 min
Individual harmonics	2nd to 50th harmonic
Total harmonic distortion	Calculated on 50 harmonics
Events	Voltage: dips, swells, interruptions, current: inrush current
Triggered recordings	Full cycle RMS updated every half cycle of voltage and current (Urms1/2 according to IEC61000-4-30)
Triggered recordings	Waveform of voltage and current (1738)
Standards Compliance
Harmonics	IEC 61000-4-7: Class 1
Harmonics	IEEE 519 (short time harmonics)
Power quality	IEC 61000-4-30 Class S, IEC62586-1 (PQI-S device)
Power	IEEE 1459
Power quality compliance	EN50160 (for measured parameters)
Interfaces
USB-A	File transfer via USB flash drive, firmware updates Max. current: 120 mA
WiFi	File transfer and remote control via direct connection or WiFi infrastructure
Bluetooth	Read auxiliary measurement data from Fluke Connect® 3000 series modules (requires 1738 or 1736 upgrade option)
USB-mini	Data download device to PC
Voltage Inputs
Number of inputs	4 (3 phases and neutral)
Maximum input voltage	1000 Vrms, CF 1.7
Input impedance	10 MΩ
Bandwidth (-3 dB)	42.5 Hz – 3.5 kHz
Scaling	1:1 and variable
Measurement category	1000 V CAT III/600 V CAT IV
Current Inputs
Number of inputs	4, mode selected automatically for attached sensor
Input voltage	Clamp 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
Range	1 A to 150 A/10 A to 1500 A with thin flexible current probe i17XX-flex1500 12″
	3 A to 300 A/30 A to 3000 A with thin flexible current probe i17XX-flex3000 24″
	6 A to 600 A/60 A to 6000 A with thin flexible current probe i17XX-flex6000 36″
	40 mA to 4 A/0.4 A to 40 A with 40 A clamp i40s-EL
Bandwidth (-3 dB)	42.5 Hz – 3.5 kHz
Scaling	1:1 and variable
Auxiliary Inputs
Number of inputs	2
Input range	0 to ±10 V dc, 1reading/s
Scale factor	Format: mx + b (gain and offset) user configurable
Displayed units	User configurable (7 characters, for example, °C, psi, or m/s)
Wireless Connection
Number of inputs	2
Supported modules	Fluke Connect® 3000 series
Acquisition	1 reading/s
Environmental Specifications
Operating temperature	-10 °C to +50 °C (14 °F to 122 °F)
Storage temperature	-20 °C to +60 °C (-4 °F to 140 °F), with battery: -20 °C to +50 °C (-4 °F to 122 °F)
Operating humidity	10 °C to 30 °C (50 °F to 86 °F) max. 95% RH
	30 °C to 40 °C (86 °F to 104 °F) max. 75% RH
	40 °C to 50 °C (104 °F to 122 °F) max. 45% RH
Operating altitude	2000 m (up to 4000 m derate to 1000 V CAT II/600 V CAT III/300 V CAT IV)
Storage altitude	12,000m
Enclosure	IP50 in accordance with EN60529
Vibration	MIL-T-28800E, Type 3, Class III, Style B
Safety	IEC 61010-1
	IEC Mains Input: Overvoltage Category II, Pollution Degree 2
	Voltage Terminals: Overvoltage Category IV, Pollution Degree 2
	IEC 61010-2-031: CAT IV 600 V / CAT III 1000 V
Electromagnetic compatibility	EN 61326-1: Industrial CISPR 11: Group 1, Class A
	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
Temperature coefficient	0.1 x accuracy specification/°C
General Specifications
Color LCD display	4.3-inch active matrix TFT, 480 pixels x 272 pixels, resistive touch panel
Warranty	Instrument and power supply: Two-years (battery not included)
	Accessories: one-year
	Calibration cycle: two-years
Dimensions	Instrument: 19.8 cm x 16.7 cm x 5.5 cm (7.8 in x 6.6 in x 2.2 in)
	Power supply: 13.0 cm x 13.0 cm x 4.5 cm (5.1 in x 5.1 in x 1.8 in)
	Instrument with power supply attached: 19.8 cm x 16.7 cm x 9 cm (7.8 in x 6.6 in x 3.5 in)
Weight	Instrument: 1.1 kg (2.5 lb)
Weight	Power supply: 400 g (0.9 lb)
Tamper protection	Kensington lock slot
i17xx-flex 1500 12″ Flexible Current Probe Specifications
Measuring range	1 to 150 A ac/10 to 1500 A ac
Nondestructive current	100 kA (50/60 Hz)
Intrinsic error at reference condition*	±0.7% of reading
Accuracy 173x + iFlex	±(1% of reading + 0.02% of range)
Temperature coefficient over operating temperature range	0.05% of reading/°C 0.09% of reading/°F
Working voltage	1000 V CAT III, 600 V CAT IV
Probe cable length	305 mm (12 in)
Probe cable diameter	7.5 mm (0.3 in)
Minimum bending radius	38 mm (1.5 in)
Output cable length	2 m (6.6 ft)
Weight	115 g
Probe cable material	TPR
Coupling material	POM + ABS/PC
Output cable	TPR/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, operating	15% to 85% non-condensing
IP rating	IEC 60529:IP50
Warranty	One-year

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Brand

Fluke

Fluke Corporation

Name: Fluke 1738/EUS Three-Phase Power Quality Loggers
Brand: Fluke
SKU: 78436

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.