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Fluke 1736 Three-Phase Power Logger

Fluke 1736 Three-Phase Power Logger

Brand
Fluke
Model number
1736

Three-phase power and power quality logger: voltage, current, power, harmonics, dips, swells and inrush; Fluke Connect.

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Key features

  • Versatile, three-phase power loggers for conducting energy, load and power quality studies
  • Convenient instrument powering directly from the measured circuit
  • Download and analyze every detail of energy consumption and power quality state of health with our automated reporting

Specifications

Accuracy
Parameter, RangeResolution; Intrinsic Accuracy at Reference Conditions (% of Reading +% of Full Scale)
Voltage1000 V; 0.1 V; ±⁠(0.2% + 0.01%)
Current - Direct input, i17xx-flex 1500 12"150 A; 0.1 A; ±⁠(1% + 0.02%); 1500 A; 1 A; ±⁠(1% + 0.02%)
Current - Direct input, i17xx-flex 3000 24"300 A; 1 A; ±⁠(1% + 0.03%); 3000 A; 10 A; ±⁠(1% + 0.03%)
Current - Direct input, i17xx-flex 6000 36"600 A; 1 A; ±⁠(1.5% + 0.03%); 6000 A; 10 A; ±⁠(1.5% + 0.03%)
Current - Direct input, i40s-EL clamp4 A; 1 mA; ±⁠(0.7% + 0.02%); 40 A; 10 mA; ±⁠(0.7% + 0.02%)
Frequency42.5 Hz to 69 Hz; 0.01 Hz; ±⁠(0.1%)
Auxillary input±10 V dc; 0.1 mV; ±⁠(0.2% + 0.02%)
Voltage min/max1000 V; 0.1 V; ±⁠(1% + 0.1%)
Current min/max, Defined by accessoryDefined by accessory; ±⁠(5% + 0.2%)
THD on voltage1000%; 0.1%; ±0.5
THD on current1000%; 0.1%; ±0.5
Voltage harmonics 2nd to 50th1000 V; 0.1 V; ≥ 10 V: ±5% of reading; < 10 V: ±0.5V; 0.1 V
Current harmonics 2nd to 50th1000 V; Defined by accessory; Defined by accessory; ≥ 3% of current range: ±5% of reading; < 3% of current range: ±0.15% of range; Defined by accessory; Defined by accessory
Unbalance100%; 0.1%; ±0.2
Intrinsic Uncertainty ±(% of reading +% of range)¹
Parameter, Influence quantityiFlex1500-12; iFlex3000-24; iFlex6000-36; i40S-EL; 150 A; 1500 A; 300 A; 3000 A; 600 A; 6000 A; 4 A; 40 A
Active Power P, PF ≥ 0.991.2% + 0.005%; 1.2% + 0.0075%; 1.7% + 0.0075%; 1.2% + 0.005%
Active Energy Ea, PF ≥ 0.991.2% + 0.005%; 1.2% + 0.0075%; 1.7% + 0.0075%; 1.2% + 0.005%
Apparent power S0 ≤ PF ≤ 1; 1.2% + 0.005%; 1.2% + 0.0075%; 1.7% + 0.0075%; 1.2% + 0.005%
Apparent Energy Eap0 ≤ PF ≤ 1; 1.2% + 0.005%; 1.2% + 0.0075%; 1.7% + 0.0075%; 1.2% + 0.005%
Reactive power Q0 ≤ PF ≤ 1; 2.5% of measured apparent power
Reactive Energy Er0 ≤ 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 V0.015%; 0.0225%; 0.0225%; 0.015%
Power Supply
Voltage range100 V to 500 V using safety plug input when powering from the measurement circuit; 100 V to 240 V using standard power cord (IEC 60320 C7)
Power consumptionMaximum 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 frequency50/60 Hz ±15%
BatteryLi-ion 3.7 V, 9.25 Wh, customer-replaceable
On-battery runtimeFour hours in standard operating mode, up to 5.5 hours in power saving mode
Charging time< 6 hours
Data Acquisition
Resolution16-bit synchronous sampling
Sampling frequency10.24 kHz at 50/60 Hz, synchronized to mains frequency
Input signal frequency50/60 Hz (42.5 to 69 Hz)
Circuit types1-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 storageInternal flash memory (not user replaceable)
Memory sizeTypical 10 logging sessions of 8 weeks with 1-minute intervals and 500 events¹
Basic Interval
Measured parametersVoltage, current, aux, frequency, THD V, THD A, power, power factor, fundamental power, DPF, energy
Averaging intervalUser selectable: 1 sec, 5 sec, 10 sec, 30 sec, 1 min, 5 min, 10 min, 15 min, 30 min
Averaging time min/max valuesVoltage, Current: Full cycle RMS updated every half cycle (URMS1/2 according to IEC61000-4-30 Aux, Power: 200ms
Demand Interval (Energy Meter Mode)
Measured parametersEnergy (Wh, varh, VAh), PF, maximum demand, cost of energy
IntervalUser selectable: 5 min, 10 min, 15 min, 20 min, 30 min, off
Power Quality Measurements
Measured parameterVoltage, frequency, unbalance, voltage harmonics, THD V, current, harmonics, THD A, TDD
Averaging interval10 min
Individual harmonics2nd to 50th harmonic
Total harmonic distortionCalculated on 50 harmonics
EventsVoltage: dips, swells, interruptions, current: inrush current
Triggered recordingsFull cycle RMS updated every half cycle of voltage and current (Urms1/2 according to IEC61000-4-30); Waveform of voltage and current (1738)
Standards Compliance
HarmonicsIEC 61000-4-7: Class 1; IEEE 519 (short time harmonics)
Power qualityIEC 61000-4-30 Class S, IEC62586-1 (PQI-S device)
PowerIEEE 1459
Power quality complianceEN50160 (for measured parameters)
Interfaces
USB-AFile transfer via USB flash drive, firmware updates; Max. current: 120 mA
WiFiFile transfer and remote control via direct connection or WiFi infrastructure
BluetoothRead auxiliary measurement data from Fluke Connect 3000 series modules (requires 1738 or 1736 upgrade option)
USB-miniData download device to PC
Voltage Inputs
Number of inputs4 (3 phases and neutral)
Maximum input voltage1000 Vrms, CF 1.7
Input impedance10 MΩ
Bandwidth (-3 dB)42.5 Hz - 3.5 kHz
Scaling1:1 and variable
Measurement category1000 V CAT III/600 V CAT IV
Current Inputs
Number of inputs4, mode selected automatically for attached sensor
Input voltageClamp input: 500 mVrms/50 mVrms; CF 2.8
Rogowski coil input150 mVrms/15 mVrms at 50 Hz, 180 mVrms/18 mVrms at 60 Hz; CF 4; all at nominal probe range
Bandwidth (-3 dB)42.5 Hz - 3.5 kHz
Scaling1:1 and variable
Auxiliary Inputs
Number of inputs2
Input range0 to ±10 V dc, 1reading/s
Scale factorFormat: mx + b (gain and offset) user configurable
Displayed unitsUser configurable (7 characters, for example, °C, psi, or m/s)
Wireless Connection
Number of inputs2
Supported modulesFluke Connect 3000 series
Acquisition1 reading/s
Environmental Specifications
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 humidity10 °C to 30 °C (50 °F to 86 °F) max. 95% RH; 30 °C to 40 °C (86 °F to 104 °F) max. 75% RH; 40 °C to 50 °C (104 °F to 122 °F) max. 45% RH
Operating altitude2000 m (up to 4000 m derate to 1000 V CAT II/600 V CAT III/300 V CAT IV)
Storage altitude12,000m
EnclosureIP50 in accordance with EN60529
VibrationMIL-T-28800E, Type 3, Class III, Style B
SafetyIEC 61010-1; IEC Mains Input: Overvoltage Category II, Pollution Degree 2; Voltage Terminals: Overvoltage Category IV, Pollution Degree 2; IEC 61010-2-031: CAT IV 600 V; CAT III 1000 V
Temperature coefficient0.1 x accuracy specification/°C
General Specifications
Color LCD display4.3-inch active matrix TFT, 480 pixels x 272 pixels, resistive touch panel
WarrantyInstrument and power supply: Two-years (battery not included); Accessories: one-year; Calibration cycle: two-years
DimensionsInstrument: 19.8 cm x 16.7 cm x 5.5 cm (7.8 in x 6.6 in x 2.2 in); Power supply: 13.0 cm x 13.0 cm x 4.5 cm (5.1 in x 5.1 in x 1.8 in); Instrument with power supply attached: 19.8 cm x 16.7 cm x 9 cm (7.8 in x 6.6 in x 3.5 in)
WeightInstrument: 1.1 kg (2.5 lb); Power supply: 400 g (0.9 lb)
Tamper protectionKensington lock slot
i17xx-flex 1500 12" Flexible Current Probe Specifications
Measuring range1 to 150 A ac/10 to 1500 A ac
Nondestructive current100 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 range0.05% of reading/°C 0.09% of reading/°F
Working voltage1000 V CAT III, 600 V CAT IV
Probe cable length305 mm (12 in)
Probe cable diameter7.5 mm (0.3 in)
Minimum bending radius38 mm (1.5 in)
Output cable length2 m (6.6 ft)
Weight115 g
Probe cable materialTPR
Coupling materialPOM + ABS/PC
Output cableTPR/PVC
Operating temperature-20 °C to +70 °C (-4 °F to 158 °F) temperature of conductor under test shall not exceed 80 °C (176 °F)
Temperature, non-operating-40 °C to +80 °C (-40 °F to 176 °F)
Relative humidity, operating15% to 85% non-condensing
IP ratingIEC 60529:IP50
WarrantyOne-year

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.

About the 1736

The Fluke 1736 is a three-phase logger for energy, load and basic power quality studies. It records voltage, current, power, harmonics and related values, captures dips, swells and inrush currents, and works with the Fluke Connect app and Energy Analyze Plus software.

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