PROVA 23 Power Harmonics and Leakage Clamp Meter

 

The PROVA 23 Power Harmonics and Leakage Clamp Meter is a versatile instrument capable of measuring TRMS AC current and a wide range of power parameters, including Watts, active power, reactive power (VAR and KVAR), apparent power (VA and KVA), energy consumption (mWH, WH, and KWH), power factor (PF) and phase angle.

    Prova 23 Datasheet

    Prova 23 User Manual

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PROVA 23 Power Harmonics and Leakage Clamp Meter Features:

  • True RMS value (V and A)
  • Leakage Current Measurement at 10 μ A Resolution
  • Harmonic Analysis (V and A) to the 99 th Order
  • High Frequency Harmonic Analysis (up to 5/6 KHz)
  • Non-interrupted Harmonic Analysis
  • Analysis of Total Harmonic Distortion (THD-F)
  • Analysis of Crest Factor (C.F.)
  • Fast Peak Function (33 μ s and 39 μ s)
  • Programmable CT Ratio (1 to 250)
  • 100A

Measur

es:

  • W, KW, H.P.
  • VA, KVA, VAR, KVAR
  • PF, Phase Angle ( Φ )
  • Energy (mWH, WH, KWH)
  • Analysis of Standby Power Consumption
  • Balanced 3 Φ Power Quality

PROVA 23 Power Harmonics and Leakage Clamp Meter Specifications:

AC Watts:

(50 or 60 Hz, PF 0.6~1, CT=1, Voltage is greater than AC 4V, Current is greater than AC 1mA for mA  range & Current is greater than AC 0.04A for A range.Specification applies to continuous waveforms)
Range (0 to 60A) Resolution Accuracy of Readings
0.050 – 9.999 W 0.001W ±2% ± 0.025W
10.00 – 99.99 W 0.01W ±2% ± 0.25W
100.0 – 999.9 W 0.1W ±2% ± 2.5W
1.000 – 9.999 KW 0.001 KW ±2% ± 0.025KW
10.00 – 99.99 KW 0.01 KW ±2% ± 0.25KW
100.0 – 999.9 KW 0.1 KW ±2% ± 2.5KW
1000 – 9999 KW 1 KW ±2% ± 25KW
Range (60 – 100A) Resolution Accuracy
0.050 – 9.999 W 0.001W ±2% of VA ± 5dgts
10.00 – 99.99 W 0.01W ±2% of VA ± 5dgts
100.0 – 999.9 W 0.1W ±2% of VA ± 5dgts
1.000 – 9.999 KW 0.001 KW ±2% of VA ± 5dgts
10.00 – 99.99 KW 0.01 KW ±2% of VA± 5dgts
100.0 – 999.9 KW 0.1 KW ±2%of VA ± 5dgts
1000 – 9999 KW 1 KW ±2% of VA ± 5dgts

AC VOLTS:

(Auto Range, True RMS, Crest Factor<4, Input Impedance 10 MΩ, Max. peak value 860VDC & Overload Protection AC 800V)
Range Resolution Accuracy of Readings (50/60Hz)
5V – 250 V 0.1 V ±0.5% ± 5dgts
250 V – 600 V 0.1 V ±0.5% ± 5dgts
Range Resolution Accuracy of Readings (45-1KHz)
5V – 250 V 0.1 V ±1.5% ± 5dgts
250 V – 600 V 0.1 V ±1.5% ± 5dgts


AC CURRENT:

(Auto Range, True RMS, Crest Factor<4, CT=1, Max. peak values 880mADC for mA range,
 73.5ADC for A range, Overload Protection AC 600A)
Range Resolution Accuracy of Readings (50/60Hz)
0.5 – 60mA 0.01mA ±0.5% ± 5dgts
60 – 100mA 0.01mA ±0.5% ± 50dgts
100 – 600 mA 0.1 mA ±0.5% ± 5dgts
0.05 – 3 A 0.001 A ±0.5% ± 5dgts
3 – 30 A 0.01 A ±0.5% ± 5dgts
30 – 90 A 0.01 A ±1.0% ± 5dgts
Range Resolution Accuracy of Readings (45-1KHz)
0.5 – 60mA 0.01mA ±1.5% ± 5dgts
60 – 100mA 0.01mA ±1.5% ± 50dgts
100 – 600 mA 0.1 mA ±1.5% ± 5dgts
0.05 – 3 A 0.001 A ±1.5% ± 5dgts
3 – 30 A 0.01 A ±1.5% ± 5dgts
30 – 90 A 0.01 A ±1.5% ± 5dgts

HARMONICS:

Harmonics of AC Voltage in Percentage   (1 to 99th order, minimum voltage at 50 or 60Hz is greater 
than AC 80V. If the voltage is 0 at 50 or 60 Hz, all the percentage (%) display is 0.)
Range Resolution Accuracy
1 – 10th 0.1 % ±0.7% of reading ±1%
11 – 20th 0.1 % ±2% of reading ±1%
21 – 50th (A range) 0.1 % ±5% of reading ±1%
21 – 50th (mA range) 0.1 % ±10% of reading ±1%
51 – 99th 0.1 % ±35% of reading ±1%
Harmonics of AC Voltage in Magnitude    (1 to 99th order, minimum voltage at 50 or 60 Hz is
greater than AC 80V)
Range Resolution Accuracy
1 – 10th 0.1 V ±0.7% of reading ±7dgts
11 – 20th 0.1 V ±2% of reading ±7dgts
21 – 50th (A range) 0.1 V ±5% of reading ±7dgts
21 – 50th (mA range) 0.1 V ±10% of reading ±7dgts
51 – 99th 0.1 V ±35% of reading ±7dgts

 

Harmonics of AC Current in Percentage    (1 to 99th order, minimum current at 50 or 60 Hz is greater than 100mA for mA range, and greater than 1A for A range. If the current is 0 at 50 or 60 Hz, all the percentage (%) display is 0.)
Range Resolution Accuracy
1 – 10th 0.1 % ±0.7% of reading ±1%
11 – 20th 0.1 % ±2% of reading ±1%
21 – 50th (A range) 0.1 % ±5% of reading ±1%
21 – 50th (mA range) 0.1 % ±10% of reading ±1%
51 – 99th 0.1 % ±35% of reading ±1%

 

Power Factor   

(PF, ACV > 4V, AC mA > 1mA, AC A > 0.04A, Watt > 50 digits)
Range Resolution Accuracy
0.000 – 1.000 0.001 ±0.04
Phase Angle 

(Φ, 50 or 60Hz)
Range Resolution Accuracy
-180° to 180° 0.1° ± 2°
0° to 360° 0.1° ± 2°
Total Harmonic Distortion
(THD-F with respect to the first (fundamental) harmonics, min. value in the range from 45 to 65Hz is greater than AC 80V, greater than 1A for A range, and greater than 100mA for  mA range. Calculation is done over 1 to 50th Harmonics. If the voltage or current is 0 in the range from 45 to 65Hz, all the percentage (%) display is 0)
Range (45~65Hz) Resolution Accuracy
0.0 – 20.0 % 0.1% ± 2%
20.0 – 100% 0.1% ±3% of reading ± 5%
100 – 999.9% 0.1% ±10% of reading ±10%
Peak Value of AC Periodic Voltage (peak value> 10V) or AC Periodic Current (peak value>10mA   for   mA   range   and   peak   value>0.5A   for   A   range)   for   continuous
waveform except for square wave:
Range Sampling Time Accuracy of Reading
50 Hz 39 μs ± 5% ± 30 digits
60 Hz 33 μs ± 5% ± 30 digits
Crest Factor (C.F.) of AC Voltage (peak value > 10V) or AC Current (peak value> 10mA  for  mA  range  and  peak  value>0.5A  for  A  range)  for  continuous  waveform
except for square wave:
Range (45~65Hz) Resolution Accuracy of Readings
1.00 – 99.99 0.01 ± 5% ± 30 digits

 

Frequency (Hz)
Range Resolution Accuracy of Readings Allowed Input
mA (45 – 65Hz) 0.1Hz ± 0.5Hz 20mA to 1.2A
A (45 – 65Hz) 0.1Hz ± 0.5Hz 1A to 100A
Sensitivity: > 20mA for mA range, > 3A for A range, and > 50V
General Specifications:
Conductor Size: 30mm (approx.)
Battery Type: two 1.5V SUM-3
Display: 4+2+2 digits LCD
Range Selection: Auto
Overload Indication: OL
Power Consumption: 10 mA (approx.)
Low battery Indication:
Auto-Power-Off: 30 minutes after power-on
Update Time: 2 times/second (display)
No. Of Samples per Period 512 (voltage or current);
256 (power)
Temperature Coefficient (＜18℃ or  ＞28℃): 0.15 x (Specified Accuracy) / ℃
Operating Temperature: -10°C to 50°C
Operating Humidity: less than 85% relative
Altitude: up to 2000M
Storage Temperature: -20°C to 60°C
Storage Humidity: less than 75% relative
Dimension: 210mm (L) x 62mm (W) x 35.6mm (H)
8.3″ (L) x 2.5″ (W) x 1.4″ (H)
Weight: 200g (battery included)
Accessories: Test leads x 1 pair, Carrying bag x 1, Users manual x 1,
Batteries 1.5V x 2
Option: Alligator clips

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