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Model 345 Power Quality Clamp Meter  Specifications

 

General Specifications

Display

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

Battery Power (qty 6)

Battery. 1.5 volt Alkaline AA MN 1500 or IEC LR6

Battery Life (typical)

>10 hours (backlight on full)
> 12 hours (backlight reduced)

Battery Eliminator (#BE345)

Input: 110/230V 50/60 Hz
Output: 15V DC 300mA

Dimensions
 

300mm (L) x 98mm (W) x 52mm (D)
12" (L) x 3.75" (W) x 2" (D)

Weight (including batteries)

820g (1.8 lb)

Jaw Opening

60mm

Jaw Capacity

58mm diameter

Cleaning

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

 

 

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 reading per °C

Temperature Coefficient of Voltage

≤±0.15% of reading 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 600V CAT. IV double or reinforced insulation, Pollution Degree 2.

Protection

IP40; EN 60529

Maximum Safe Working Voltages


 

Current Measurement:

600V ACrms or DC between uninsulated conductor and ground.

Voltage Measurement:

600V ACrms or DC between either input terminal and ground, or 825V between energised phase voltages (delta power configuration).

 

 

E.M.C.

Emission

IEC/EN 61326-1: 1997 Class A

Immunity

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

 

 

Electrical Data

Accuracies

 

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

 

 

Current Measurement (DC, DC rms, AC rms)

Measuring Range

0 to 2000 Amps DC or 1400 Amps AC rms

Autorange Facility

40A/400A/2000A

Resolution

 

10mA in 40 Amp range
100mA in 400 Amp range
1 Amp in 2000 Amp range

Accuracy

DC Current > 10A:

±1.5% of reading ±5 digits

DC rms Current <10A:

±0.2 A

 

 

AVG Current >10A:

±3% of reading ±5 digits

Current <10A:

±0.5 A

 

 

Peak  Current >10A:

±5% of reading ±5 digits

Current <10A:

±0.5 A

 

 

AHr Current >10A:

±2% of reading ±5 digits

Current <10A:

±0.5 AHr

 

 

Crest Factor

 

1.1 ≤ CF <3:

±3% of reading ±5 digits

3 ≤ CF <5:

±5% of reading ±5 digits

Resolution:

0.01

 

 

Ripple

 

2% ≤ RPL <100%:

±3% of reading ±5 digits

100% ≤ RPL <600%:

±5% of reading ±5 digits

Resolution:

0.1%

ldc > 5A, lac> 2A

 

Note:

All measurements DC and 15Hz to 1kHz
  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 Volts DC or AC rms

Autorange Facility

4V/40V/400V/750V

Resolution

1mV

in 4 volt range

10mV

in 40 volt range

100mV

in 400 volt range

1V

in 750 volt range

Accuracy

DC and DC rms

 

Volt >1V:

±1% of reading ±5 digits

Volt <1V:

±0.02 V

 

 

AVG Voltage >1V:

±3% of reading ±5 digits

Voltage <1V:

±0.03 V

 

 

Peak  Voltage >1V:

±5% of reading ±5 digits

Voltage <1V:

±0.03 V

 

 

Crest Factor

 

1.1 ≤ CF <3:

±3% of reading ±5 digits

3 ≤ CF <5:

±5% of reading ±5 digits

Resolution:

0.01

 

 

Ripple

 

2% ≤ RPL <100%:

±3% of reading ±5 digits

100% ≤ RPL <600%:

±5% of reading ±5 digits

Resolution:

0.1%

ldc > 5A, lac> 2A

 

Note:

All measurements DC and 15Hz to 1kHz

 

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

 

Amps rms is a true-rms measurement (AC + DC)

Harmonics

Harmonics

Total Harmonic Distortion (THD)
1% ≤THD <100%:

±3% of reading ±5 digits

100% ≤THD <600%:

±5% of reading ±5 digits

Resolution:

0.1%

Distortion Factor (DF)
1% ≤DF <100%:

±3% of reading ±5 digits

Resolution:

0.1%

H02 ≤Vharm <H13:

±5%  ±2 digits

H13 ≤Vharm <H30:

±10% ±2 digits

Note: All measurements up to 30th harmonic (40th harmonic for 15Hz to 22Hz)
  Frequency range of fundamental Fo 15Hz 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 4kW range

10 W

in 40 kW range

100 W

in 400 kW range

1 kW

in 1200 kW range

Accuracy

2.5% of reading ±5 digits
W (single phase) <2 kW ±0.08 kW
W (three phase) <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
Autoranging Facility 4 kVA, 40 kVA, 400 kVA, 1650 kVA
Resolution
1 VA in 4 kVA range
10 VA in 40 kVA range
100 VA in 400 kVA range
1 kVA in 1200 kVA range
Accuracy
VA >2 kVA:

2.5% of reading ±5 digits

VA <2kVA:

±0.08 kVA

 
 
 VAR Measurement (single- and three-phase)
Measuring Range 0 to 1250 kVAR
Autoranging Facility 4 kVAR, 40 kVAR, 400 kVAR, 1200 kVAR
Resolution
1 VAR in 4 kVAR range
10 VAR in 40 kVAR range
100 VAR in 400 kVAR range
1 kVAR in 1200 kVAR range
Accuracy
VAR >4 kVAR:

2.5% of reading ±5 digits

VAR <4kVAR:

±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 15Hz to 1kHz
 
 
 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 15Hz to 22 Hz and 45Hz to 65 Hz
 
 

Kilowatt Hour (kWHr)

Measuring Range

40,000 kWHr

Autoranging Facility

4 kWHr, 40 kWHr, 400 kWHr, 4000 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% of reading ±5 digits

kWHr <2kWHr:

±0.08 kWHr

All
Watts/VA/VAR/PF
Measurements

Frequency Range:

DC and 15 Hz to 1 kHz

Current Range:

10 Amp to 1400 Amps rms

Voltage Range:

1 Volt to 825 Volts rms

Maximum Input:

825 Volts rms/1400 Amps rms

Maximum Overload:

1000 Volts rms/10,000 Amps

 
Note: All measurements DC and 15Hz to 1 kHz.
  Maximum overload 10,000 Amps 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 Hz to 22 Hz

±0.5% of reading

40Hz to 70 Hz

±0.5% of reading

15 Hz to 1000 Hz

±1.0% of reading

Current Range

10 Amps to 1400 Amps rms

Voltage Range

1 Volt to 825 Volts rms

 

 

Scope Function

Current Measurement

Ranges:

10A/20A/40A/100A/200A/400A/1000A/

 

2000A

Resolution:

1 Amp

in 40 Amp range

10 Amp

in 400 Amp range

50 Amp

in 2000 Amp range

Accuracy:

±3% of reading ±1 pixel

Max Overload:

10,000 Amps

Voltage Measurement

Ranges:

4V/10V/20V/40V/100V/200V/400V/

 

1000V

Resolution:

100mV

in 4 Volt range

1 Volt

in 40 Volt range

10 Volt

in 400 Volt range

31.25 Volt

in 1000 Volt range

Accuracy:

±2% of reading ±1 pixel

Max Overload:

1000 Volts rms

Frequency Range: DC and 15 Hz to 600 Hz

Time Base

2.5 ms, 5 ms, 10 ms, 25 ms, and 50 ms/div

Refresh Rate

0.5 seconds

Maximum Sampling Rate

15.625 kHz
 
 

Inrush Current

Ranges

40A, 400A and 2000 Amp

Resolution

10 mA

in 40 Amp range

100 mA

in 400 Amp range

1 Amp

in 2000 Amp range

Accuracy

Current >10A:

±5% of reading ±1 pixel

Current <10A:

±0.5A

All measurements DC and 15 kHz 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

1s, 3s, 10s, 30s, 100s, and 300 seconds

Maximum Sampling Rate

15.625 kHz

 

 

Interface

Interface

USB interface to a PC

Software

Power Log software for download, analysis and reporting

Upgrade Utility

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

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

 

 

Logging Timer

Volts and Current Mode

Average Time

Logging Time (1 area)

1 sec

1 h 49 m

2 sec

3 h 38 m

5 sec

9 h 6 m

10 sec

18 h 12 m

30 sec

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 sec

5 h 12 m

2 sec

10 h 24 m

5 sec

1 d 2 h 00 m

10 sec

2 d 4 h 00 m

30 sec

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 sec

1 h 34 m

2 sec

1 h 8 m

5 sec

2 h 52 m

10 sec

5 h 44 m

30 sec

17 h 13 m

1 min

1 d 10 h 26 m

5 min

7 d 4 h 10 m

10 min

14 d 8 h 20 m

15 min

21 d 12 h 30 m

 

 

 

Logging Time (3 areas)

1 sec

1 h 38 m

2 sec

3 h 16 m

5 sec

8 h 11 m

10 sec

16 h 23 m

30 sec

2 d 1 h 11 m

1 min

4 d 2 h 23 m

5 min

20 d 11h 25 m

10 min

81 d 0 h 50 m

15 min

121 d 13 h 15 m

Single- and Three-Phase
Power Mode

Average Time

Logging Time (1 area)

1 sec

1 h 40 m

2 sec

3 h 21 m

5 sec

8 h 22 m

10 sec

16 h 45 m

30 sec

2 d 2 h 17 m

1 min

4 d 4 h 35 m

5 min

20 d 22 h 55 m

10 min

41 d 21 h 50 m

15 min

62 d 20 h 45 m

 

 

 

Logging Time (3 areas)

1 sec

4 h 47 m

2 sec

9 h 34 m

5 sec

23 h 57 m

10 sec

1 d 23 h 54 m

30 sec

5 d 23 h 25 m

1 min

11 d 23 h 25 m

5 min

59 d 21h 5 m

10 min

119 d 18 h 10 m

15 min

179 d 15 h 15 m


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Rapid-Tech Equipment
ABN 79 883 184 102
1300 Ferntree Gully Road. Scoresby. Victoria 3179
P.O. Box 4243 Knox City Centre. Victoria 3152

Phone: +61 3 9763 3299     Fax: +61 3 9753 2132