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Power Quality Logger with 60 cm 1,500A iFlex
The Fluke 1746 Power Quality Logger is a compact device for technicians and engineers to troubleshoot, quantify energy usage, and analyse power distribution systems.
The Fluke 1746 is compliant with international standards such as IEC 61000-4 -30 and IEC 62586. The 1746 can simultaneously log up to 500 parameters and capture events to find intermittent and hard-to-find power quality issues. For basic power quality logging, the Fluke 1746 captures all relevant power parameters for performing energy saving studies and electrical network planning with a full upgrade option to 1748 available.
An optimised user interface, flexible current probes, and an intelligent measurement verification function that allows you to digitally verify and correct connections makes setup easier than ever and reduces measurement uncertainty. Minimize your time in potentially hazardous environments and reduce the hassle of suiting up in PPE by using a wireless connection (WiFi) to view data directly in the field.
The included Energy Analyze Plus software enables thorough analysis of the captured data and reporting according to national and international standards such as EN 50160.
LICENSED FEATURES
License keys are available as optional accessories. The keys expand the functionality of the Logger with licensed features.
1746-8/UPGRADE
The upgrade license activates the advanced analysis features of the 1748 on a 1746 Logger. Features are:
Events: Waveform deviation.
Event recordings: RMS profile.
Event recordings: Waveform.
Event recordings: Mains signaling RMS profile.
The upgrade includes a Magnet Hanger Kit.
Power Quality Monitoring: Fluke 1746 and 1748 Power Quality Loggers
Fluke 1740 Model Feature
1742 Power Logger
1746 Power Logger
1748 Power Logger
FUNCTIONS
Voltage, current, power, power factor, frequency
Y
Y
Y
Energy forward/reverse
Y
Y
Y
Peak Demand
Y
Y
Y
THD
Y
Y
Y
Voltage and current harmonics (to 50th)1
Y
Y
Flicker
Y
Y
Y
Unbalance1
Y
Y
Rapid voltage change events1
Y
Y
Interharmonics (to 50th)1
Y
Y
Dips, swells, interruption and transient events tables1
Y
Y
Mains signaling1
Y
Y
Inrush current1
Y
Y
Transients (low frequency)/Waveform deviation events2
Y
RECORDING
Trend
Y
Y
Y
Waveform snapshots2
Y
RMS profile2
Y
COMMUNICATION
Ethernet
Y
Y
Y
USB (mini B)
Y
Y
Y
WiFi download Instrument to device
Y
Y
Y
Wifi download via WiFi hub (requires registration)
Opt.
Opt.
Opt.
1Included with 1742-6/UPGRADE option
2Included with 1742-8/UPGRADE or 1746-8/UPGRADE option
Fluke 1740 Series Specifications
Voltage
Range: 1000 V
Maximum resolution: 0.1 V.
Current: Direct input
See datasheet.
Frequency
Range: 42.5 Hz to 69 Hz
Maximum resolution: 0.01 Hz.
Auxiliary input
Range: +10 V dc
Maximum resolution: 0.1 mV.
Electrical Specifications
Power Supply
Voltage range
100 V to 500 V using safety plug input when powering from the measurement circuit.
100 V to 240 V MA-C8 and using standard power cord (IEC 60320 C7).
Power consumption
Maximum 50 VA (max. 15 VA when powered using MA-C8 adapter).
Mains power frequency
50/60 Hz +15%.
Battery
Li-ion 3.7 V, 9.25 Wh, customer-replaceable.
On-battery runtime
Typically 4 hours.
Charging time
< 6 hours.
Data Acquisition
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-?, 1-? IT, split phase, 3-? delta, 3-? wye, 3-? wye IT, 3-? wye balanced, 3-? Aron/Blondel (2-element delta), 3-? delta open leg, currents only (load studies).
Data storage
Internal flash memory (not user replaceable).
Memory size
Typical 20 logging sessions of 4 weeks with 1-minute intervals and 500 events.
Basic Interval
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).
Demand Interval (Energy Meter Mode)
Measured parameters
Energy (Wh, varh, VAh), PF, maximum demand, cost of energy.
Interval
User selectable: 5 min, 10 min, 15 min, 20 min, 30 min, off.
Power Quality Measurements
Measured parameter
Voltage, frequency, unbalance, voltage harmonics, THD V, current, harmonics, THD A, TDD, voltage interharmonics, TID V, current interharmonics, TID A, Flicker, Mains Signaling, under/over deviation.
Averaging interval
10 min for all parameters
2 hrs (long term Flicker PLT)
150/180 cycles (3 s) for harmonics (requires software license IEEE519/REPORT).
Individual harmonics
2nd to 50th harmonic
Grouping according to IEC 61000-4-7 user configurable depending on application: Sub-grouped (harmonics + interharmonics), grouped or harmonic bins only.
Interharmonics
1st to the 50th interharmonic.
Events
Voltage: dips, swells, interruptions, current: inrush current
1748: mains signaling, transients (low frequency).
Inrush
RMS profile based on 1/2 cycle RMS steady state triggering.
Flicker
In accordance with IEC 61000-4-15 and IEEE 1453.
Programmable PQ limits
Enables user defined limits for local standards compliance.
Interfaces.
USB-A
File transfer via USB flash drive, firmware updates, max. supply 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 supported USB to BLE or WiFi/BLE adapter, check for availability).
USB-mini
Data download device to PC.
Voltage Inputs
Number of inputs
4 (3 phases referenced to neutral).
Maximum input voltage
1000 Vrms, CF 1.7.
Input impedance
10 MΩ.
Measurement category
1000 V CAT III/600 V CAT IV.
Current Inputs
Number of inputs
4 (3 phases and neutral), mode selected automatically for attached sensor.
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.
Auxiliary Inputs
Number of inputs
2 (Analog with auxiliary adapter, or up to 2 BLE devices simultaneously).
Input range
0 to + 10 V dc, or 0 to + 1000 V dc (with optional adapter), 1 reading/s.
Displayed units
User configurable (7 characters, for example, °C, psi, or m/s).
General Specifications
Operating temperature
-25 °C to +50 °C (-13 °F to 122 °F)1.
Enclosure
IEC 60529: IP50.
IEC 60529: IP65 with IP65 rated voltage connector.
1Warm up the product to -10 °C (+14 °F) before you power the unit on
Weight
Instrument: 1 kg (2.2 lb).
Dimensions
23.0 cm x 18.0 cm x 5.4 cm (9.1 in x 7.1 in x 2.1 in).
Fluke 1746 warranty
Two-years (battery not included).
Accessories: one-year.
For more information on Fluke 1746 Three-Phase Power Quality Logger talk to Cuthbertson Laird Group
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