Fluke 345 Power Quality Clamp Meter

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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 V/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
Safety Rating	IEC 61010-1 600 V CAT IV, double or reinforced insulation, pollution degree 2 Protection IP40; EN60529
Maximum safe working voltages
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 B
Immunity	IEC/EN 61326-1:1997
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
AVG
I > 10 A	± 3 % rdg ± 5 digits
I < 10 A	± 0.5 A
Pk
I > 10 A	± 5 % rdg ± 5 digits
I < 10 A	± 0.5 A
AHr
I > 10 A	± 2 % rdg ± 5 digits
I < 10 A	± 0.5 AHr
CF (Crest Factor)
1.1 ≤ CF < 3	± 3 % rdg ± 5 digits
3 ≤ CF < 5	± 5 % rdg ± 5 digits
Resolution	0.01
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
AVG
V > 1 V	± 3 % rdg ± 5 digits
V < 1 V	0.03 V
Pk
V > 1 V	± 5 % rdg ± 5 digits
V < 1 V	± 0.03 V
CF (Crest Factor)
1.1 ≤ CF < 3	± 3 % rdg ± 5 digits
3 ≤ CF < 5	± 5 % rdg ± 5 digits
Resolution	0.01
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 % rdg ± 2 digits
H13 ≤ Vharm ≤ H30	± 10 % rdg ± 2 digits
All measurements up to 30th harmonic (40th harmonic for 15 Hz to 22 Hz) Frequency range 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 ac
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)
Power factor
Measuring range	0.3 capacitive and 1.0 to 0.3 inductive (72.5° capacitive and 0° to 72.5° inductive)
Resolution	0.001
Accuracy	± 3°
Frequency range	15 Hz to 1 kHz
Displacement power factor
Measuring range	0.3 capacitive and 1.0 to 0.3 inductive (72.5° capacitive 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	1 kWHr, 40 kWHr, 400 kWHr, 4,000 kWHr, 40,000 kWHr Resolution 1 WHr in 4 kWHr 10 WHr in 40 kWHr 100 WHr in 400 kWHr 1 kWHr in 4,000 kWHr 10 kWHr in 40,000 kWHr
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
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) Logging time (3 areas)
1 s	1 h 49 m	5 h 12 m
2 s	3 h 38 m	10 h 24 m
5 s	9 h 06 m	1 d 2 h 00 m
10 s	18 h 12 m	2 d 04 h 00 m
30 s	2 d 06 h 36 m	6 d 12 h 01 m
1 min	4 d 13 h 12 m	13 d 00 h 03 m
5 min	22 d 18 h 00 m	65 d 00 h 15 m
10 min	45 d 12 h 00 m	130 d 00 h 30 m
15 min	68 d 06 h 00 m	195 d 00 h 45 m
V & A harmonics mode
Average time Logging time (1 area) Logging time (3 areas)
1 s	0 h 34 m	1 h 38 m
2 s	1 h 08 m	3 h 16 m
5 s	2 h 52 m	08 h 11 m
10 s	5 h 44 m	16 h 23 m
30 s	17 h 13 m	2 d 01 h 11 m
1 min	1 d 10 h 26 m	4 d 02 h 23 m
5 min	7 d 04 h 10 m	20 d 11 h 25 m
10 min	14 d 08 h 20 m	81 d 0 h 50 m
15 min	21 d 12 h 30 m 121	d 13 h 15 m
single- and three-phase power mode
Average Time Logging Time (1 area) Logging Time (3 areas)
1 s	1 h 40 m	4 h 47 m
2 s	3 h 21 m	9 h 34 m
5 s	8 h 22 m	23 h 57 m
10 s	16 h 45 m	1 d 23 h 54 m
30 s	2 d 02 h 17 m	5 d 23 h 42 m
1 min	4 d 04 h 35 m 11	d 23 h 25 m
5 min	20 d 22 h 55 m	59 d 21 h 05 m
10 min	41 d 21 h 50 m	119 d 18 h 10 m
15 min	62 d 20 h 45 m	179 d 15 h 15 m

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