
Fluke
Fluke 1736 and 1738 Three-Phase Power Quality Loggers
Part number4588378HS code9030.84
Safety & Detection
Tools
MOQ:1
Pricing
Request a quote
We reply within 24 hours
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
Product Documentation
Document preview: Fluke 1736 and 1738 Three-Phase Power Loggers | Data Sheet
More from Fluke
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).








