Fluke 1736 and 1738 Three-Phase Power Quality Loggers
Fluke

Fluke 1736 and 1738 Three-Phase Power Quality Loggers

Part number4588378HS code9030.84
MOQ:1

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Product Description

The Fluke 1736 and 1738 Three-phase Power Quality Loggers are versatile, three-phase Fluke Connect-compatible power loggers for conducting energy, load and power quality studies

Technical Specifications

Manufacturer part number (MPN)
4588378 Brand: Fluke Category: Tools Parameter Range: Resolution Voltage 1000 V: 0.1 V 1500 A 1 A: ±(1% + 0.02%) i17xx-flex 3000 24" 300 A: 1 A 3000 A 10 A: ±(1% + 0.03%) i17xx-flex 6000 36" 600 A: 1 A 6000 A 10 A: ±(1.5% + 0.03%) i40s-EL clamp 4 A: 1 mA 40 A 10 mA: ±(0.7% + 0.02%) Frequency 42.5 Hz to 69 Hz: 0.01 Hz Auxillary input ±10 V dc: 0.1 mV Voltage min/max 1000 V: 0.1 V THD on voltage 1000%: 0.1% THD on current 1000%: 0.1% Voltage harmonics 2nd to 50th 1000 V: 0.1 V Unbalance 100%: 0.1% Parameter Influence quantity: iFlex1500-12 150 A / 1500 A 300 A / 3000 A: 600 A / 6000 A Active Power P PF ≥ 0.99: 1.2% + 0.005% Active Energy Ea PF ≥ 0.99: 1.2% + 0.005% Apparent power S 0 ≤ PF ≤ 1: 1.2% + 0.005% Apparent Energy Eap 0 ≤ PF ≤ 1: 1.2% + 0.005% Reactive power Q 0 ≤ PF ≤ 1: 2.5% of measured apparent power Reactive Energy Er 0 ≤ PF ≤ 1: 2.5% of measured apparent power Power Factor PF -: ±0.025 Displacement Power Factor -: ±0.025 DBF/cosϕ -: ±0.025 Additional uncertainty in% of range¹ VP-N>250 V: 0.015% Voltage range: 100 V to 500 V using safety plug input when powering from the measurement circuit 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 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 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 Interval: User selectable: 5 min, 10 min, 15 min, 20 min, 30 min, off Measured parameter: Voltage, frequency, unbalance, voltage harmonics, THD V, current, harmonics, THD A, TDD 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) Harmonics: IEC 61000-4-7: Class 1 Power quality: IEC 61000-4-30 Class S, IEC62586-1 (PQI-S device) Power: IEEE 1459 Power quality compliance: EN50160 (for measured parameters) 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 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 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" 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) Supported modules: Fluke Connect® 3000 series Acquisition: 1 reading/s 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 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 Electromagnetic compatibility: EN 61326-1: Industrial CISPR 11: Group 1, Class A Temperature coefficient: 0.1 x accuracy specification/°C 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) Dimensions: Instrument: 19.8 cm x 16.7 cm x 5.5 cm (7.8 in x 6.6 in x 2.2 in) Weight: Instrument: 1.1 kg (2.5 lb) Tamper protection: Kensington lock slot 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) Probe cable material: TPR Coupling material: POM + ABS/PC Output cable: TPR/PVC 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

Standards & Compliance

HS Code
9030.84

Cross References

  • OEM-URL https://www.fluke.com/en-us/product/electrical-testing/power-quality/1736-1738

Catalogue entry last verified: 2026-10-03. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.

Frequently asked questions

Where can I buy 4588378?
4588378 can be ordered from cballast.com as a Fluke catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
What is the manufacturer part number for this Fluke product?
The manufacturer part number is 4588378.
What is the HS code for 4588378?
The customs tariff (HS) code for 4588378 is 9030.84.
Who manufactures 4588378?
4588378 is a Fluke product in the Safety & Detection range.
Is a datasheet available for 4588378?
Yes — the 4588378 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 4588378?
The minimum order quantity is 1.
Is 4588378 available?
Yes — 4588378 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).