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Fluke 1735 Power Logger Three-Phase System Electrical Energy Logger

SKU: CART-05651
Model: Fluke 1735
Product Condition: Certified Pre-owned
$3,199.95

Boost energy efficiency with the Fluke 1735 Power Logger! Perfect for three-phase load studies & electrical troubleshooting. Learn more and optimize your systems today! 

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One year warranty
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Fluke Power Analyzers & Loggers Electrical Testing Equipment
Product Description

he Fluke 1735 is a three-phase power logger built for electrical load studies, energy consumption testing, and basic power quality logging. It records power and related electrical parameters over extended periods, making it useful for checking system capacity, documenting energy usage, and comparing performance before and after efficiency improvements.

Designed for field setup, the Fluke 1735 uses a color display to show waveforms and trends so connections and readings can be checked directly at the instrument. It measures all three phases and neutral, captures key power parameters, and helps identify voltage events or harmonic issues that may affect electrical equipment.

Logger Features

  • Logs three-phase power data for load studies, energy audits, and electrical system troubleshooting.

  • Measures voltage, current, power, power factor, energy, harmonics, and related power quality values.

  • Records data over extended monitoring periods, helping users evaluate demand patterns and changing load conditions.

  • Displays waveforms and trend information on the built-in color screen for easier setup and field review.

  • Captures voltage dips and swells that may point to switching loads, nuisance trips, resets, or other system disturbances.

  • Supports reporting and data review through Fluke Power Log software.

  • Uses flexible current probes for easier installation around conductors in panels and electrical equipment.

  • Built with a rugged field-ready housing for commercial and industrial electrical maintenance work.

Specifications
Specifications
MPN 2560330
Product Condition Certified Pre-owned
Shipping Length (in.) 18
Shipping Width (In.) 12
Shipping Height (In.) 12
Item Returns This item can be returned
Specifications
General Display ¼ VGA Graphic Color transmissive displays 320 x 240 Pixel with additional background lighting and adjustable contrast, text and graphics in color
Quality Developed, designed and manufactured according to DIN ISO 9001
Memory 4 MB Flash memory, 3.5 MB for measuring data
Interface RS-232 SUB-D socket; 115.2 k Baud, 8 data bits, no parity, 1 stop bit, firmware updates are possible with the RS- 232 interface (9-pole extension cable)
Sample rate 10.24 kHz
Line frequency 50 Hz or 60 Hz, user-selectable, with automatic synchronization
Power supply NiMH battery-pack, with ac adapter (15 V to 20 V / 0.8 A)
Operation time with battery Typical > 12 hours without backlight and > 6 hours with backlight high
Dimensions 240 x 180 x 110 mm
Weight 1.7 kg, including battery
Ambient conditions Working temperature range -10°C to +50°C
Storage temperature range -20°C to +60°C
Operating temperature range 0°C to +40°C
Reference temperature range 23°C ±2°C
The above terms are defined in European Standards. To calculate the specification at any point in the working temperature range, use the temperature coefficient below.
Temperature coefficient ±0.1% of the measured value per°C from the reference
Intrinsic error Refers to reference temperature, maximum deviation is guaranteed for two years
Operating error Refers to operating temperature range, maximum deviation is guaranteed for two years
Climatic class C1 (IEC 654-1) -5°C to +45°C, 5% to 95% RH, no dew
Housing Cycoloy shock and scratch proof thermoplast V0-type (non-flammable) with rubber protection holster
EMC Emission IEC/EN 61326-1:1997 class B
Immunity IEC/EN 61326-1:1997
Safety Safety IEC 61010-1 600 V CAT III, double or reinforced insulation, pollution degree 2
Protection IP65; EN60529 (refers only to the main housing without the battery compartment)
RMS values are measured with a 20 ms resolution.
V-rms wye measurement Measuring range 57 V/66 V/110 V/120 V/127 V/220 V/230 V/240 V/260 V/277 V/347 V/380 V/400 V/417 V/480 V AC
Intrinsic error ±(0.2% of measured value + 5 digits)
Operating error ±(0.5% of m. v. + 10 digit)
Resolution 0.1 V
V-rms delta measurement Measuring range 100 V/115 V/190 V/208 V/220 V/380 V/400 V/415 V/450 V/480 V/600 V/660 V/690 V/720 V/830 V AC
Intrinsic error ±(0.2% of m. v. + 5 digit)
Operating error ±(0.5% of m. v. + 10 digit)
Resolution 0.1 V
A-rms measurement Flexi set I ranges 15 A/150 A/3000 A rms (at sine)
Current clamp ranges 1 A/10 A
Resolution 0.01 A
Ranges 150 A/3000 A and 1 A/10 A
Intrinsic error ±(0.5% of m. v. + 10 digit)
Operating error ±(1% of m. v. + 10 digit)
Ranges 15 A
Intrinsic error ±(0.5% of m. v. + 20 digit)
Operating error ±(1% of m. v. + 20 digit)
  The errors of the current probes are not considered.
By using Flexi-set Flexi Set measuring error ±(2% of m. v. + 10 digit)
Position influence ±(3% of m. v. + 10 digit)
CF (typical) 2.83
When using Flexi Set please make sure to position the conductor opposite to the Flexi Set-lock
Power measurement (P - Active, S - Apparent, Q- Reactive, D - Distorting Measuring range see V rms and A rms measurement
Power errors are calculated by adding the errors of voltage and current
Additional error due to power factor PF
Specified error x (1-[PF])
Maximum range with voltage range 830 V delta-connection and 3000 A current range is 2.490 MW, higher displayed values possible when using PTs and CTs with ratio feature
Intrinsic error ±(0.7% of m.v. +15 digit)
Resolution 1 kW
Operating error ±(1.5% of m.v. + 20 digit)
Typical range with voltage range 230 V wye connection and 150 A current range is 34.50 KW.
Intrinsic error ±(0.7% of m.v. +15 digit)
Resolution 1 W to 10 W
Operating error ±(1.5% of m.v. + 20 digit)
The errors of the current sensors themselves have not been considered.
Energy measurement (kWh, KVAh, kVARh) Intrinsic error ±(0.7% of m.v.+ F variation error* + 15 digit)
Resolution 1 W to 10 W
Operating error ±(1.5% of m.v. + F variation error1 + 20 digit)
  1. Frequency variation error
PF (Power factor) Range 0.000 to 1.000
Resolution 0.001
Accuracy ±1% of full scale
Frequency measurement Measuring range 46 Hz to 54 Hz and 56 Hz to 64 Hz
Intrinsic error ±(0.2% of m. v. + 5 digit)
Operating error ±(0.5% of m. v.+ 10 digit)
Resolution 0.01 Hz
Harmonics Measuring range To 50th harmonic (< 50% of nom)
Accuracy Vm, Im, THDV, THDI IEC 61000-4-7:2002, Class II
Vm ≥ 3% Vn ±5% Vm
Vm < 3% Vnom ±0.15% Vnom
Im ≥ 10% Inom ±5% Im
Im < 10% Inom ±0 5% Inom
THDV for THD < 3% ±0.15% at Vnom
for THD ≥ 3% ±5% at Vnom
THDI for THD < 10% ±0.5% at Inom
for THD ≥ 10% ±5% at Inom
Vnom Normal voltage range
Inom Nominal current range
Vm and Im are measured values of harmonic m
Events   Detection of voltage dips, voltage swells and voltage interruptions with a 10 ms resolution and measuring error of the half period sine wave of rms.
Intrinsic error ±(1% of m.v. + 10 digit)
Operating error ±(2% of m.v. + 10 digit)
Resolution 0.1 V
What's in the box?
  • 1 x Fluke 1735 Three-Phase Power Quality Logger
  • 4 x Flexible Current Probes (15A /150A/ 3000A)
  • 1 x Voltage Leads & Clips
  • 1 x USB Cable 
  • 1 x AC Adapter with Interchangeable Heads 
  • 1 x Soft Carrying Case
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