This clamp on meter is a combination power analyzer, power quality logger, and clamp meter, and is ideal for monitoring electronic loads.

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 troubleshooting power quality on switching loads. Additionally, the Hall Effect clamp meter design makes measurement of dc current possible without the need to break the circuit with the power meter. The internal memory of the power analyzer enables long-term power quality 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

The suggested single phase replacement is the Fluke 43B Power Quality Analyzer with an i3000s Current Clamp. If a 3-phase instrument is a better solution for your application, the 1735, 434 or 435 are suggested replacements.

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

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	Input  110/230 V 50/60 Hz Output  15 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
Maximum safe working voltages	Safety IEC 61010-1 600 V CAT IV double or reinforced insulation, pollution degree 2
	Protection IP40; EN60529
Current measurement	600 V ac rms or dc between uninsulated conductor and ground
Voltage measurement	600 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  W1Ø < 2 kW ± 0.08 kW  W3Ø < 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 time  Logging time (1 area) 1 s  1 h 49 m 2 s  3 h 38 m 5 s  9 h 6 m 10 s  18 h 12 m 30 s  2 d 6 h 36 m 1 min  4 d 13 h 12 m 5 min  22 d 18 h 0 m 10 min  45 d 12 h 0 m 15 min  68 d 6 h 0 m  Logging time (3 areas) 1 s  5 h 12 m 2 s  10 h 24 m 5 s  1 d 2 h 00 m 10 s  2 d 4 h 00 m 30 s  6 d 12 h 1 m 1 min  13 d 0 h 12 m 5 min  65 d 0 h 15 m 10 min  130 d 0 h 30 m 15 min  195 d 0 h 45 m
V & A harmonics mode	Average time  Logging time (1 area) 1 s  0 h 34 m 2 s  1 h 8 m 5 s  2 h 52 m 10 s  5 h 44 m 30 s  17 h 13 m 1 m  1 d 10 h 26 m 5 m  7 d 4 h 10 m 10 m  14 d 8 h 20 m 15 m  21 d 12 h 30 m  Logging time (3 areas) 1 s  1 h 38 m 2 s  3 h 16 m 5 s  8 h 11 m 10 s  16 h 23 m 30 s  2 d 1 h 11 m 1 m  4 d 2 h 23 m 5 m  20 d 11 h 25 m 10 m  81 d 0 h 50 m 15 m  121 d 13 h 15 m
single- and three-phase power mode	Average time  Logging time (1 area) 1 s  1 h 40 m 2 s  3 h 21 m 5 s  8 h 22 m 10 s  16 h 45 m 30 s  2 d 2 h 17 m 1 m  4 d 4 h 35 m 5 m  20 d 22 h 55 m 10 m  41 d 21 h 50 m 15 m  62 d 20 h 45 m  Logging time (3 areas) 1 s  4 h 47 m 2 s  9 h 34 m 5 s  23 h 57 m 10 s  1 d 23 h 54 m 30 s  5 d 23 h 25 m 1 m  11 d 23 h 25 m 5 m  59 d 21 h 5 m 10 m  119 d 18 h 10 m 15 m  179 d 15 h 15 m