FLUKE-1736-INT Three-Phase Power Quality Loggers

Specifications

Accuracy

Parameter

Range

Resolution

Intrinsic Accuracy at Reference Conditions (% of Reading +% of Full Scale)

Voltage

1000 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%)

i17xx-flex 3000 24"

300 A

1 A

±(1% + 0.03%)

3000 A

10 A

±(1% + 0.03%)

i17xx-flex 6000 36"

600 A

1 A

±(1.5% + 0.03%)

6000 A

10 A

±(1.5% + 0.03%)

i40s-EL clamp

4 A

1 mA

±(0.7% + 0.02%)

40 A

10 mA

±(0.7% + 0.02%)

Frequency

42.5 Hz to 69 Hz

0.01 Hz

±(0.1%)

Auxillary input

±10 V dc

0.1 mV

±(0.2% + 0.02%)

Voltage min/max

1000 V

0.1 V

±(1% + 0.1%)

Current min/max

Defined by accessory

Defined by accessory

±(5% + 0.2%)

THD on voltage

1000%

0.1%

±0.5

THD on current

1000%

0.1%

±0.5

Voltage harmonics 2nd to 50th

1000 V

0.1 V

≥ 10 V: ±5% of reading

< 10 V: ±0.5V

Current harmonics 2nd to 50th

Defined by accessory

Defined by accessory

≥ 3% of current range: ±5% of reading

< 3% of current range: ±0.15% of range

Unbalance

100%

0.1%

±0.2

Intrinsic Uncertainty ±(% of reading +% of range)¹

Parameter

Influence quantity

iFlex1500-12

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 ≥ 0.99

1.2% + 0.005%

1.2% + 0.0075%

1.7% + 0.0075%

1.2% + 0.005%

Active Energy Ea

PF ≥ 0.99

1.2% + 0.005%

1.2% + 0.0075%

1.7% + 0.0075%

1.2% + 0.005%

Apparent power S

0 ≤ PF ≤ 1

1.2% + 0.005%

1.2% + 0.0075%

1.7% + 0.0075%

1.2% + 0.005%

Apparent Energy Eap

0 ≤ PF ≤ 1

1.2% + 0.005%

1.2% + 0.0075%

1.7% + 0.0075%

1.2% + 0.005%

Reactive power Q

0 ≤ PF ≤ 1

2.5% of measured apparent power

Reactive Energy Er

0 ≤ 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 V

0.015%

0.0225%

0.0225%

0.015%

¹Range = 1000 V x Irange
Reference conditions:

• Environmental: 23 °C ±5 °C, instrument operating for at least 30 minutes, no external electrical/magnetic field, RH <65%

• Input conditions: Cosϕ/PF=1, Sinusoidal signal f=50 Hz/60 Hz, power supply 120 V/230 V ±10%.

• Current and power specifications: Input voltage 1 ph: 120 V/230 V or 3 ph wye/delta: 230 V/400 V Input current: I > 10% of Irange

• Primary conductor of clamps or Rogowski coil in center position

• Temperature coefficient: Add 0.1 x specified accuracy for each degree C above 28 °C or below 18 °C

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 using standard power cord (IEC 60320 C7)

Power consumption

Maximum 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 frequency

50/60 Hz ±15%

Battery

Li-ion 3.7 V, 9.25 Wh, customer-replaceable

On-battery runtime

Four hours in standard operating mode, up to 5.5 hours in power saving mode

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-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 storage

Internal flash memory (not user replaceable)

Memory size

Typical 10 logging sessions of 8 weeks with 1-minute intervals and 500 events¹

¹The number of possible logging sessions and logging period depends on user requirements.

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

Averaging interval

10 min

Individual harmonics

2nd to 50th harmonic

Total harmonic distortion

Calculated on 50 harmonics

Events

Voltage: dips, swells, interruptions, current: inrush current

Triggered recordings

Full 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

Harmonics

IEC 61000-4-7: Class 1

IEEE 519 (short time harmonics)

Power quality

IEC 61000-4-30 Class S, IEC62586-1 (PQI-S device)

Power

IEEE 1459

Power quality compliance

EN50160 (for measured parameters)

Interfaces

USB-A

File transfer via USB flash drive, firmware updates
Max. 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 1738 or 1736 upgrade option)

USB-mini

Data download device to PC

Voltage Inputs

Number of inputs

4 (3 phases and neutral)

Maximum input voltage

1000 Vrms, CF 1.7

Input impedance

10 MΩ

Bandwidth (-3 dB)

42.5 Hz - 3.5 kHz

Scaling

1:1 and variable

Measurement category

1000 V CAT III/600 V CAT IV

Current Inputs

Number of inputs

4, 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

Range

1 A to 150 A/10 A to 1500 A with thin flexible current probe i17XX-flex1500 12"

3 A to 300 A/30 A to 3000 A with thin flexible current probe i17XX-flex3000 24"

6 A to 600 A/60 A to 6000 A with thin flexible current probe i17XX-flex6000 36"

40 mA to 4 A/0.4 A to 40 A with 40 A clamp i40s-EL

Bandwidth (-3 dB)

42.5 Hz - 3.5 kHz

Scaling

1:1 and variable

Auxiliary Inputs

Number of inputs

2

Input range

0 to ±10 V dc, 1reading/s

Scale factor

Format: mx + b (gain and offset) user configurable

Displayed units

User configurable (7 characters, for example, °C, psi, or m/s)

Wireless Connection

Number of inputs

2

Supported modules

Fluke Connect® 3000 series

Acquisition

1 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 humidity

10 °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 altitude

2000 m (up to 4000 m derate to 1000 V CAT II/600 V CAT III/300 V CAT IV)

Storage altitude

12,000m

Enclosure

IP50 in accordance with EN60529

Vibration

MIL-T-28800E, Type 3, Class III, Style B

Safety

IEC 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

Electromagnetic compatibility

EN 61326-1: Industrial CISPR 11: Group 1, Class A

Korea (KCC): Class A Equipment (industrial broadcasting and communication equipment)

USA (FCC): 47 CFR 15 subpart B. This product is considered an exempt device per clause 15.103

Temperature coefficient

0.1 x accuracy specification/°C

General Specifications

Color LCD display

4.3-inch active matrix TFT, 480 pixels x 272 pixels, resistive touch panel

Warranty

Instrument and power supply: Two-years (battery not included)

Accessories: one-year

Calibration cycle: two-years

Dimensions

Instrument: 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)

Weight

Instrument: 1.1 kg (2.5 lb)

Power supply: 400 g (0.9 lb)

Tamper protection

Kensington lock slot

i17xx-flex 1500 12" Flexible Current Probe Specifications

Measuring range

1 to 150 A ac/10 to 1500 A ac

Nondestructive current

100 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 range

0.05% of reading/°C 0.09% of reading/°F

Working voltage

1000 V CAT III, 600 V CAT IV

Probe cable length

305 mm (12 in)

Probe cable diameter

7.5 mm (0.3 in)

Minimum bending radius

38 mm (1.5 in)

Output cable length

2 m (6.6 ft)

Weight

115 g

Probe cable material

TPR

Coupling material

POM + ABS/PC

Output cable

TPR/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, operating

15% to 85% non-condensing

IP rating

IEC 60529:IP50

Warranty

One-year

* Reference condition:

• Environmental: 23 °C ±5 °C, no external electrical/magnetic field, RH 65%

• Primary conductor in center position