Fluke 1736 Three-Phase Power Logger with iFlex 1500A Probes

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Item Description

Condition & Functionality
Condition	Used — cosmetically excellent. Fully tested and confirmed working.
Calibration	Calibration due 28/07/2026
Firmware Version	2.4.1 (May 12 2023)
Installed Licenses	No licenses installed
Memory	100% available — instrument memory fully cleared

What's Included

Fluke 1736 Three-Phase Power Logger (main unit)
Fluke BP1730 Li-Ion battery pack (fitted)
Detachable DC power supply module
Mains power cord (IEC C7)
3x Fluke iFlex1500-12 flexible current probes (12 in / 30 cm loop, 1500A, channels L1, L2, L3)
1x Fluke iFlex1500-24 flexible current probe (24 in / 60 cm loop, 1500A, channel N)
Voltage test lead set with alligator clips (4x red/black)
4x alligator clip adapters (assorted)
Fluke soft carry case (C17XX series)
1736/1738 Power Logger User Manual (printed)
1736/1738 Quick Reference Guide
iFlex-1500-12 / iFlex-3000-24 / iFlex-6000-36 Safety Information sheet
BP1730 Battery Safety Information sheet
D-Link Warranty & Safety Information booklet

The Fluke 1736 is a three-phase power logger built for energy studies and basic power quality logging. It automatically captures and logs over 500 power quality parameters across all three phases and neutral, making it the go-to instrument for electrical contractors, energy consultants, and facility engineers conducting load studies, energy assessments, and harmonic surveys. Fluke Connect compatibility allows wireless data access and remote monitoring via the Fluke Connect mobile app or Wi-Fi infrastructure.

Unit Configuration
Phase Configuration	L1-L2-L3-N (Europe / 3-phase + Neutral)
Channel 1 (L1) Current Probe	Fluke iFlex1500-12 — 1500A range
Channel 2 (L2) Current Probe	Fluke iFlex1500-12 — 1500A range
Channel 3 (L3) Current Probe	Fluke iFlex1500-12 — 1500A range
Channel 4 (N) Current Probe	Fluke iFlex1500-24 — 1500A range
Installed Licenses	None — standard 1736 functionality only (no 1736/Upgrade, IEEE 519/Report, or PQ Health EN50160 license)

Key Technical Specifications
Voltage Inputs	4 (3 phases + neutral) — max 1000 Vrms (1700 Vpk) phase to neutral
Voltage Input Impedance	10 MΩ each phase to neutral
Bandwidth	42.5 Hz to 3.5 kHz
Sampling Frequency	10.24 kHz at 50/60 Hz, synchronised to mains frequency
Data Acquisition Resolution	16-bit synchronous sampling
Input Signal Frequency	50/60 Hz (42.5 Hz to 69 Hz)
Current Probes (included)	iFlex flexible Rogowski probes — selectable 150 A or 1500 A range
Measured Parameters	RMS voltage, RMS current, voltage & current events, THD-V, THD-A, harmonics to 50th, active/reactive power, power factor, active/reactive energy, frequency, unbalance — over 500 parameters total
Harmonics Standard	IEC 61000-4-7 Class 1
Power Quality Standard	IEC 61000-4-30 Class S; IEC 62586-1 (PQI-S device)
Power Standard	IEEE 1459
Safety Rating	1000 V CAT III / 600 V CAT IV
Power Supply	100–500 V via safety plug input from measured circuit; or 100–240 V via IEC 60320 C7 mains cord
Battery	Li-Ion 3.7 V, 9.25 Wh — customer replaceable; up to 4 hours runtime (5.5 hours power saving mode)
Data Interfaces	USB-A (flash drive / firmware), USB-Mini (PC download), Wi-Fi (data transfer & remote control), Bluetooth (Fluke Connect 3000 series modules)
Logging Sessions	Over 20 separate sessions stored; memory sufficient for more than 1 year of logging at 15-min intervals
Averaging Interval (Logger)	User selectable: 1 sec, 5 sec, 10 sec, 30 sec, 1 min, 5 min, 10 min, 15 min, 30 min
EN50160 Compliance (PQ Health)	Not active — license not installed
IEEE 519 Reporting	Not active — license not installed

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TT Instruments is an ISO 9001 certified company based in the UK, offering a wide range of used Test & Measurement (T&M) equipment at hugely discounted prices. We specialise in telecoms and fiber optic test equipment such as OTDRs, OSAs, fusion splicers, DSL cable testers, CATV, ethernet/network testers and much more. Devices from leading brands such as EXFO, VIAVI / JDSU, Keysight / Agilent, Fujikura, Sumitomo, Narda, Argus and Anritsu are stocked by us.

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