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Fluke 345 Power Quality Clamp Meter

  • Fluke 345
Price:
$1,200.00
SKU:
345
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Condition:
New
Availability:
24 Hours
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Product Description

Fluke 345 Power Quality Clamp Meter

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

 

  • 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
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

 


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