Fluke 345 Power Quality Clamp Meter

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FE 345
Datasheet  |  Manual

Price: $2,599.95

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The Fluke 345 Power Quality Clamp Meter is Fluke's newest power quality analyzer and is an ideal meter for commissioning and troubleshooting modern electrical loads.

The Fluke 345 combines a power quality analyzer, digital clamp meter, oscilloscope, and data logger in one. This combination of functions, coupled with high quality digital filtering, makes it ideal for working with variable frequency motor drives, high efficiency lighting, and other loads using switching electronics.

With the bright color power meter display to analyze the harmonic spectrum, a low-pass filter to remove high frequency noise, and a high EMC immunity design, the Fluke 345 power analyzer is ideal for measurements on switching loads such as variable speed drives, electronic lighting and UPS systems.

Of course, the Fluke 345 is easy to use and will make the basic measurements of voltage and current to determine if there is something seriously wrong with the circuit under test. Its rated for use at the service entrance with a 600 Volt CAT IV rating. With the 2000 A range and large jaw opening, you can evaluate most of the circuits in the building. The Fluke 345 can also measure both ac and dc voltage and current simultaneously, and identify the magnitude of each separately and combined as ac+dc true-rms.

The Fluke 345 Power Quality Clamp Meter is the ideal tool for technicians and engineer involved in installing and commission switch electronic loads. It can deal with the difficult demands of measuring and monitoring variable frequency drives, UPS systems and other switching loads. Its simply the ideal meter for commissioning and troubleshooting modern electrical loads.

Additionally, the Hall Effect measurement system design makes measurement of dc current possible without the need to break the circuit with the power meter and the internal memory enables long-term logging for analysis of trends or intermittent problems.

Applications:

  • Setup and troubleshoot variable frequency drives and UPS systems - Verify correct operation by measuring key power quality parameters
  • Harmonics measurements - Uncover harmonic issues that can damage or disrupt critical equipment
  • Inrush capture - Check start-up current where spurious resets or nuisance circuit breaker tripping occurs
  • Load studies - Verify electrical system capacity before adding loads


What's Included:

  • 345 Power Quality Clamp Meter
  • Soft carrying case
  • Power Log software
  • Test leads
  • Alligator clips
  • Test probes
  • USB cable
  • International ac adapter / battery eliminator
  • Printed English language user manual
  • Multi-language manual CD

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Full Review


  • AC/DC current: Clamp-on measurement of ac current up to 1400 A rms and dc current up to 2000 A without breaking the circuit
  • Highest safety rating: 600 V CAT IV power analyzer is rated for use at the service entrance
  • Accurate in noisy environments: Clamp meter performs even with distorted waveforms present on electronic loads with low-pass filter
  • Data logging: Identify intermittent faults by logging any power quality parameter for minutes, or over a month, including harmonics
  • Verify batteries: Direct measurement of dc ripple (%) for battery and dc systems
  • Troubleshoot harmonics: Analyze and log harmonics digitally or graphically
  • Inrush current: Capture and analyze nuisance tripping, from 3 seconds to 300 seconds
  • Easy to use: Easily confirm power meter setup with large backlit color display of waveforms and trends
  • 3-Phase power: Built in capability for balanced loads
  • View graphs and generate reports: Use power analyzer with included Power Log software
Display

Color transmissive LCD 320 x 240 pixels (70 mm diagonal) with 2 level backlight

Power supply


Battery type 1.5 V Alkaline AA MN 1500 or IEC LR6 x 6
Battery life typically

> 10 hours (backlight on full)

> 12 hours (backlight reduced)
Battery Eliminator BE345
Input110/230 V 50/60 Hz
Output15 V dc, 300 mA

Ambient conditions (For indoor use only)
Reference conditions

All accuracies stated at 23˚C 1˚C (73.4 F 1.8 F)
Operating temperature

0 C to 50 C (32 F to 122 F)
Temperature coefficient of current

≤ 0.15 % of rdg per C
Temperature coefficient of voltage

≤ 0.15 % of rdg per C
Maximum relative humidity

80 % for temperatures up to 31 C (87 F) decreasing linearly to 50 % relative humidity at 40 C (104 F)
Maximum operating altitude

2000 m

Electrical safety


Safety IEC 61010-1 600 V CAT IV double or reinforced insulation, pollution degree 2


Protection IP40; EN60529
Maximum safe working voltages
Current measurement600 V ac rms or dc between uninsulated conductor and ground
Voltage measurement600 V ac rms or dc between either input terminal and ground, or 825 V between energized phase voltages (delta power config.)

EMC
Emission

IEC/EN 61326-1:1997 class A
Immunity

IEC/EN 61326-1:1997 Annex C Performance Criterion B

Mechanical
Dimensions (length x width x depth)

300 mm x 98 mm x 52 mm (12 in x 3.75 in x 2 in)
Weight including batteries

820 g/1.8 lb
Jaw opening

60 mm
Jaw capacity

58 mm diameter
Cleaning

The unit can be cleaned with an Isopropanol impregnated cloth. Do not use abrasives or other solvents.

Electrical data


All accuracies stated at 23 C 1 C (73.4 F 1.8 F). See Ambient conditions specifications for temperature coefficients.

Current measurement (dc, dc rms, ac rms)
Measuring range

0 to 2000 A dc or 1400 ac rms
Autorange facility

40 A / 400 A / 2000 A
Resolution

10 mA in 40 A range

100 mA in 400 A range

1 A in 2000 A range
Accuracy: DC and dc rms
I > 10 A: 1.5 % rdg 5 digits
I < 10 A: 0.2 A
Accuracy: AVG
I > 10 A: 3 % rdg 5 digits
I < 10 A: 0.5 A
Accuracy: Pk
I > 10 A: 5 % rdg 5 digits
I < 10 A: 0.5 A
Accuracy: AHr
I > 10 A: 2 % rdg 5 digits
I < 10 A: 0.5 AHr
Accuracy: CF (Crest Factor)
1.1 ≤ CF < 3: 3 % rdg 5 digits
3 ≤ CF < 5: 5 % rdg 5 digits
Resolution:0.01
Accuracy: RPL (Ripple)
2 % ≤ RPL < 100 %: 3 % rdg 5 digits
100 % ≤ RPL < 600 %: 5 % rdg 5 digits
Resolution:0.1 %
Idc > 5 A, Iac > 2 A


All measurements dc and 15 Hz to 1 kHz
Maximum overload 10,000 A or rms x frequency < 400,000
Amps rms is a true-rms measurement (ac + dc)

Voltage measurement (dc, dc rms, ac rms)
Measuring range

0 to 825 V dc or ac rms
Autorange facility

4 V / 40 V / 400 V / 750 V
Resolution

1 mV in 4 V range

10 mV in 40 V range

100 mV in 400 V range

1 V in 750 V range
Accuracy: DC and dc rms
V > 1 V: 1 % rdg 5 digits
V < 1 V: 0.02 V
Accuracy: AVG
V > 1 V: 3 % rdg 5 digits
V < 1 V: 0.03 V
Accuracy: Pk
V > 1 V: 5 % rdg 5 digits
V < 1 V: 0.03 V
Accuracy: CF (Crest Factor)
1.1 ≤ CF < 3: 3 % rdg 5 digits
3 ≤ CF < 5: 5 % rdg 5 digits
Resolution:0.01
Accuracy: RPL (Ripple)
2 % ≤ RPL < 100 %: 3 % rdg 5 digits
100 % ≤ RPL < 600 %: 5 % rdg 5 digits
Resolution:0.1 %
Vdc > 0.5 V, Vac > 0.2 V


All measurements dc and 15 Hz to 1 kHz
Maximum overload 1,000 V rms
Volts rms is a true-rms measurement (ac + dc)

Harmonics
THD (Total Harmonic Distortion)
1 % ≤ THD < 100 %: 3 % rdg 5 digits
100 % ≤ THD < 600 %: 5 % rdg 5 digits
Resolution:0.1 %
DF (Distortion Factor)
1 % ≤ DF < 100 %: 3 % rdg 5 digits
Resolution:0.1 %
H02 ≤ Vharm < H13: 5 % 2 digits
H13 ≤ Vharm ≤ H30: 10 % 2 digits


All measurements up to 30th harmonic (40th harmonic for 15 Hz to 22 Hz)
Frequency range of fundamental F0 15 Hz to 22 Hz and 45 Hz to 65 Hz
Vacrms > 1V

Watts measurement (single- and three-phase) (dc, dc rms, ac rms)
Measuring range

0 to 1650 kW dc or 1200 kW ac
Autoranging facility

4 kW, 40 kW, 400 kW, 1650 kW
Resolution

1 W in 4 kW

10 W in 40 kW

100 W in 400 kW

1 kW in 1200 kW
Accuracy

2.5 % rdg 5 digits

W1 < 2 kW 0.08 kW

W3 < 4 kW 0.25 kW

VA measurement (single- and three-phase) (dc, dc rms, ac rms)
Measuring range

0 to 1650 kVA dc or 1200 kVA ac
Autorange facility

4 kVA, 40 kVA, 400 kVA, 1650 kVA
Resolution

1 VA in 4 kVA

10 VA in 40 kVA

100 VA in 400 kVA

1 kVA in 1200 kVA
Accuracy
VA > 2 kVA:2.5 % rdg 5 digits
VA < 2 kVA: 0.08 kVA

VAR measurement (single- and three-phase)
Measuring range

0 to 1250 kVAR
Autorange facility

4 kVAR, 40 kVAR, 400 kVAR, 1200 kVAR
Resolution

1 VAR in 4 kVAR

10 VAR in 40 kVAR

100 VAR in 400 kVAR

1 kVAR in 1200 kVAR
Accuracy
VAR > 4 kVAR: 2.5 % rdg 5 digits
VAR < 4 kVAR: 0.25 kVAR
Power factor range

0.3 < PF < 0.99

Power factor (single- and three-phase)
Measuring range

0.3 capacitive to 1.0 and 1.0 to 0.3 inductive (72.5 capacitive to 0 and 0 to 72.5 inductive)
Resolution

0.001
Accuracy

3
Frequency range

15 Hz to 1 kHz

Displacement power factor (single- and three-phase)
Measuring range

0.3 capacitive to 1.0 and 1.0 to 0.3 inductive (72.5 capacitive to 0 and 0 to 72.5 inductive)
Resolution

0.001
Accuracy

3
Frequency range

15 Hz to 22 Hz and 45 Hz to 65 Hz

Kilowatt hour (kWHr)
Measuring range

40,000 kWHr
Autorange facility

4 kWHr, 40 kWHr, 400 kWHr, 4,000 kWHr, 40,000 kWHr
Resolution

1 WHr in 4 kWHr Range

10 WHr in 40 kWHr Range

100 WHr in 400 kWHr Range

1 kWHr in 4,000 kWHr Range

10 kWHr in 40,000 kWHr Range
Accuracy
kWHr > 2 kWHr: 3 % 5 digits
kWHr < 2 kWHr: 0.08 kWHr
All Watts /VA /VAR /PF measurements
Frequency range:DC and 15 Hz to 1 kHz
Current range:10 A to 1400 A rms
Voltage range:1 V to 825 V rms
Maximum input:825 V rms/1400 A rms
Maximum overload:1000 V rms/10,000 A All measurements dc and 15 Hz to 1 kHz. Maximum overload 10,000 A or rms x frequency < 400,000

Frequency measurement (from current or voltage sources)
Measuring range

15 Hz to 1 kHz
Resolution

0.1 Hz
Accuracy

15 to 22 Hz 0.5 % rdg

40 Hz to 70 Hz 0.5 % rdg

15 Hz to 1000 Hz 1% rdg
Current range

10 A to 1400 A rms
Voltage range

1 V to 825 V rms

Scope function
Current measurement
Ranges:10 A / 20 A / 40 A / 100 A / 200 A / 400 A / 1000 A / 2000 A
Resolution:1 A in 40 A
10 A in 400 A
50 A in 2000 A
Accuracy: 3 % rdg 1 pixel
Maximum overload:10,000 A
Voltage measurement
Ranges:4 V / 10 V / 20 V / 40 V / 100 V / 200 V / 400 V / 1000 V
Resolution:100 mV in 4 V
1 V in 40 V
10 V in 400 V
31.25 V in 1000 V
Accuracy: 2 % rdg 1 pixel
Maximum overload:1000 V rms
Frequency range:DC and 15 Hz to 600 Hz
Time base

2.5 ms, 5 ms, 10 ms, 25 ms, 50 ms/div
Refresh rate

0.5 seconds
Maximum sampling rate

15.625 kHz

Inrush current function
Ranges

40 A, 400 A, and 2000 A
Resolution

10 mA in 40 A range

100 mA in 400 A range

1 A in 2000 A range
Accuracy
I > 10 A: 5 % rdg 1 pixel
I < 10 A: 0.5 A

All measurements dc and 15 Hz to 1 kHz
Maximum overload

Maximum overload 10,000 A or rms x frequency < 400,000

Amps rms is a true-rms measurement (ac + dc)
Capture time

1 s, 3 s, 10 s, 30 s, 100 s, and 300 s
Maximum sampling rate

15.625 kHz

Interface


USB Interface to a PC


Power Log software for download, analysis and reporting


345 Upgrade Utility for installing a new firmware version

Logging Memory
Logging areas

Three areas that can be used individually or combined into one large area
Averaging periods

1 s, 2 s, 5 s, 10 s, 30 s, 1 min, 5 min, 10 min, 15 min, and custom

Logging Times
Volts and current mode
Average timeLogging time (1 area)
1 s1 h 49 m
2 s3 h 38 m
5 s9 h 6 m
10 s18 h 12 m
30 s2 d 6 h 36 m
1 min4 d 13 h 12 m
5 min22 d 18 h 0 m
10 min45 d 12 h 0 m
15 min68 d 6 h 0 m

Logging time (3 areas)
1 s5 h 12 m
2 s10 h 24 m
5 s1 d 2 h 00 m
10 s2 d 4 h 00 m
30 s6 d 12 h 1 m
1 min13 d 0 h 12 m
5 min65 d 0 h 15 m
10 min130 d 0 h 30 m
15 min195 d 0 h 45 m
V & A harmonics mode
Average timeLogging time (1 area)
1 s0 h 34 m
2 s1 h 8 m
5 s2 h 52 m
10 s5 h 44 m
30 s17 h 13 m
1 m1 d 10 h 26 m
5 m7 d 4 h 10 m
10 m14 d 8 h 20 m
15 m21 d 12 h 30 m

Logging time (3 areas)
1 s1 h 38 m
2 s3 h 16 m
5 s8 h 11 m
10 s16 h 23 m
30 s2 d 1 h 11 m
1 m4 d 2 h 23 m
5 m20 d 11 h 25 m
10 m81 d 0 h 50 m
15 m121 d 13 h 15 m
single- and three-phase power mode
Average timeLogging time (1 area)
1 s1 h 40 m
2 s3 h 21 m
5 s8 h 22 m
10 s16 h 45 m
30 s2 d 2 h 17 m
1 m4 d 4 h 35 m
5 m20 d 22 h 55 m
10 m41 d 21 h 50 m
15 m62 d 20 h 45 m

Logging time (3 areas)
1 s4 h 47 m
2 s9 h 34 m
5 s23 h 57 m
10 s1 d 23 h 54 m
30 s5 d 23 h 25 m
1 m11 d 23 h 25 m
5 m59 d 21 h 5 m
10 m119 d 18 h 10 m
15 m179 d 15 h 15 m


Analysis and reporting software

Stored measurements can be recalled and displayed on-screen in normal screen format or downloaded using the PowerLog software package.

Designed to quickly view recorded data, the included PowerLog software displays all recorded parameters on interactive trends. Generate professional reports with the Report Writer function, or copy and paste images into report document manually.

  • Easy-to-use tabbed window format allows quick data evaluation.
  • One-step download and display capability
  • Waveform, harmonics, and trend download
  • Simple data export to other applications
  • View recorded data in simple graphs and tables.
  • Easily customize the report.
  • Create professional reports.












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