Fluke 1744 Three Phase Power Quality Logger Memobox

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Product Brochure

Part Number:

FE 1744

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$6021.95

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The Fluke 1740 Series three-phase power quality loggers are everyday power meters for technicians who troubleshoot and analyze power quality issues. Capable of simultaneously logging up to 500 power parameters for up to 85 days and monitoring for events, these power loggers help uncover intermittent and hard-to-find power quality issues.

The Fluke 1744 is a powerful three-phase power quality logger capable of logging the most common power parameters you'll need for power quality monitoring such as:

V, A, W, VA, VAR
Power Factor
Energy
Flicker
Voltage
THD
Harmonics, Interharmonics
Mains Signaling
Unbalance
Frequency

Apart from the Fluke 1744, the Fluke 1740 series includes two other power quality loggers: Fluke 1743 & Fluke 1745.

The Fluke 1743 includes the same features as the Fluke 1743 but is not capable of measuring voltage and current harmonics, interharmonics, mains signaling, unbalance and frequency.
The Fluke 1745 includes the same features as the Fluke 1744 but features an IP50 environmental rating, a real-time LCD display and a 5 hour UPS which is great if you need to read more data at the meter and have a longer backup battery life where there's less chance of it getting wet.

The main difference between the 1744 and the other 2 models in the series, is the 1744 measure harmonics, unbalance or mains signaling but doesn't have an LCD display and only has a 3 hour UPS.

The included PQ Log software quickly assesses the quality of power at the service entrance, substation, or at the load, according to the latest EN50160 standard.

Applications:

Disturbance analysis – Uncover root cause of equipment malfunction for later mitigation and predictive maintenance
Quality of service compliance – Validate incoming power quality at the service entrance
Power quality studies – Assess baseline power quality to validate compatibility with critical systems before installation
Load studies – Verify electrical system capacity before adding loads
Energy and power quality assessment – Validate performance of facility improvements by quantifying energy consumption, power factor, and general power quality before and after improvements

What's Included:

4 Flexible probes 15/150/1500/3000 A with 2 m cable
CD-ROM with PQ Log software
RS232 interface cable and RS232-USB adapter
Test leads for voltages and power supply
4 black dolphin clips
Color localization kit
Carrying bag
Test certificate with measurement values
Printed English manual
Multi-language manual CD

The Good:

The Bad:

The Bottom Line:

Full Review

Plug and play: Setup in minutes with automatic current probe detection and powering
Installs inside the cabinet: Compact, fully-insulated housing and accessories fit easily in tight spaces next to live power
Determines the root cause: Included PQ Log software quickly analyzes trends, creates statistical summaries, and generates detailed graphs and tables
Monitors power for the long-term: Data can be downloaded during recording without interruption
Measure voltage with premium accuracy: IEC61000-4-30 Class-A compliant voltage accuracy (0.1%)
Quickly validate quality of power: Assess power quality according to EN50160 power quality standard with statistical overview
Rugged and reliable: Designed for everyday field use with no moving parts and durable insulated case with two year warranty
Stringent safety standards: 600 V CAT III and 300 V CAT IV environments.

General Data

Intrinsic error

Refers to the reference conditions and is guaranteed for two years

Warranty

2 years

Recalibration interval

2 years recommended

Quality system

developed, designed, and manufactured according to DIN ISO 9001

Reference conditions

	23 °C ± 2 K; 74 °F ± 2 K , Vm=230 V ± 10%, 50 Hz ± 0.1 Hz or 60 Hz ± 0.1 Hz
Phase sequence:	L1, L2, L3
Interval length:	10 minutes
Wye connection:	(L1, L2, L3 to N)
Power supply:	88 V ... 265 V AC

Environment conditions

Working temp. range:	-10 °C to 55°C; 14 °F to 131°F
Operating temp. range:	0 °C to 35°C; 32 °F to 95°F
Storage temp. range:	-20 °C to 60°C; -4 °F to 140°F
Reference temp. range:	23 °C ± 2 K; 74 °F ± 2 K
Relative humidity:	Fluke 1745: Class B2 acc. IEC 60654-1 Fluke 1744/43: Class C2 acc. IEC 60654-1

Housing

robust, fully insulated housing and accessories

Protection type

Fluke 1745:	IP50 as per EN 60529
Fluke 1744/1743:	IP65 as per EN 60529

Safety

IEC/EN 61010-1 600 V CAT III, 300 V CAT IV, pollution degree 2, double insulation

Type test voltage

5.2 kV rms, 50 Hz / 60 Hz, 5 s

EMC

Emission:	IEC/EN 61326-1, EN55022
Immunity:	IEC/EN 61326-1

Voltage and Current Measurement

Input voltage

Input range VI P-N:	max 480 V AC
Input range VI P-P:	max 830 V AC
Max. overload voltage:	1.2 VI
Input range selection:	By job programming
Connections:	P-P or P-N, 1- or 3-phase
Nominal voltage VN:	<= 999 kV with PTs and ratio
Input resistance:	App. 820 kΩ per chan. Lx-N Single phase (L1 or A, L2 or B, L3 or C connected): app. 300 kΩ
Intrinsic uncenrtainty:	0.1 % of VI
Voltage transformer:	Ratio: <999 kV / VI
Ration selection:	By job programming

Current input with Flexi Set

Input ranges II L1 or A, L2 or B, L3 or C, N:	15 A / 150 A / 1500 A / 3000 A ac
Measuring range:	0.75 A … 3000 A ac
Intrinsic uncertainty:	< 2 % of II
Position influence:	Max. ± 2 % of measured value – for distance conductor to meas. head > 30 mm
Stray field influence:	< ± 2 A ac for Iext=500 A ac and distance to measuring head > 200 mm
Temperature coefficient:	< 0.05 % / K
Current transformer:	Ratio <= 999 kA / II
Ratio selection:	By job programming
Connection:	3-phase, 3-phase +N, 2 phase L1 or A and L3 or C (2 W-meter-method) 7 pole connector

Current input for clamp

Input ranges II L1 or A, L2 or B, L3 or C, N:	0.5 V nominal (for II) 1.4 Vpeak
Intrinsic uncertainty:	< 0.3 % of II
Max. overload:	10 V ac
Input resistance:	App. 8.2 kΩ
Current transformer:	Ratio Ω 999 kA / II

Power systems

Delta, 2-Element Delta, Wye, Single Phase, Split Single Phase

Logger

Power supply

Functional Range:	88 V to 660 V absolute, 50 Hz / 60 Hz 100 V to 350 V dc Internal fuse: 630 mA T
Power consumption:	5 Watts
Ride through:	Fluke 1745: Internal battery for typ. > 5 hours ride through with intelligent power management Fluke 1743/44: 3 sec Capacitor
Fuse:	Power supply fuse can be replaced in service facility only. Supply can be connected in parallel to measuring inputs (up to 660 V)

Display, indicators

LEDs for status and voltage levels
Fluke 1745: LC-display with backlight for voltage, current, active power, phase sequence.

Memory

	Capacity 8 MB Flash-EPROM
Intervals:	A function > 12000 intervals for > 85 days with 10 min intervals P function > 30000 intervals for > 212 days with 10 min intervals
Events:	> 13000
Memory model:	linear, circular

Interface

RS 232, 9600...115 000 Baud, automatic Baud rate selection, 3-wire communication

Dimensions

Fluke 1745:	282 mm x 216 mm x 74 mm (115in x 88in x 33in)
Fluke 1743/1744:	170 mm x 125 mm x 55 mm (69in x 51in x 22in)

Weight

Fluke 1745:	approx. 3 kg
Fluke 1744/1743:	approx. 2 kg

Measurement

A/D converter:	16 bit, sample rate: 10.24 kHz
Anti-aliasing filter:	FIR-Filter, fc =4.9 kHz
Frequency response:	Uncertainty < 1 % of Vm for 40 Hz to 2500 Hz
Interval length:	1, 3, 5, 10, 30 s, 1, 5, 10, 15, 60 minutes
Averaging time for Min/max values:	½, 1 mains period, 200 ms,1 , 3 , 5 s
Time base:	Resolution: 10 ms (at 50 Hz), deviation: 2s/day at 23 °C; 74 °F ± 2 K

View graphs and generate reports with Fluke Power Quality Log software

With its easy-to-use interface, the included Power Quality Log software assists you with logger setup, enables you to verify actual measurement values quickly using the online function, and downloads data from the logger to a connected PC operating on standard Windows® operating systems. You can view the logged data in graphical and tabular form, export it to a spreadsheet, or generate a professional report with the Report Writer function.

For root cause analysis, different measurements such as flicker, voltage and THD can be shown in the same time plot, helping to quickly identify the cause of a disturbance.
Statistical summaries like EN50160 and DISDIP table provide a quick, comprehensive summary. The EN50160 overview display provides a simple display of 8 power quality parameters on one dashboard, according to the latest international power quality standard.
Statistical analysis of Voltage and Current harmonics over a given time period. Red bar graphs indicate issues with the grid. Other colors are warnings for pontential future issues. Harmonics can be presented also as time plots.

No user reviews available.

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The Fluke 1744 Three Phase Power Quality Logger Memobox has 3 recommended accessories.

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Cases

Name	Price	Quantity
Fluke C435 Hard Rolling Case	$512.95

Current Probes

Name	Price	Quantity
Fluke 3000A/6000A 36in Flexi Probe 4 Phase	$1,905.95

Miscellaneous

Name	Price	Quantity
Fluke MBX 300 POLESET Mounting Kit	$39.00

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