Obsnap Instruments Sdn Bhd
29A, Jalan SS 15/4C, 47500 Subang Jaya, Selangor, Malaysia.
+603-5621 5786
+603-5621 5829
+60122185651 (Enquiry)
+60162233687 (Vacancy)
Power Harmonics and Leakage Tester Prova19/21/23
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Product Features
Model Prova 19, 21, 23
- True RMS value (V and A)
- Leakage Current Measurement at 10 μ A Resolution
- Harmonic Analysis (V and A) to the 99 th Order
- Better Understanding of 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)
- 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
- Balanced 3 Φ Sequence
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Please refer to users manual for more detailed and up-to-date description of specification. |
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AC Watt (50 or 60 Hz, PF 0.5 to 1. CT = 1, Accuracy of Readings) Model 21 (0 to 50A), Model 23 (0 to 100A) |
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Range
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Resolution
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Accuracy 21 (0 - 30A) Accuracy 23 (0 - 60A) |
Accuracy 21 (30 - 50A) Accuracy 23 (60 - 100A) |
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0.000 – 9.999 W
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0.001 W
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±1% ± 0.02 W
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±2% of VA ± 5dgts
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10.00 – 99.99 W
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0.01 W
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±1% ± 0.2 W
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±2% of VA ± 5dgts
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100.0 – 999.9 W
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0.1 W |
±1% ± 0.2 W
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±2% of VA ± 5dgts
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1.000 – 9.999 KW
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0.001 KW |
±1% ± 0.02 KW
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±2% of VA ± 5dgts
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10.00 – 99.99 KW
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0.01 KW |
±1% ± 0.2 KW
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±2% of VA ± 5dgts
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100.0 – 999.9 KW
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0.1 KW |
±1% ± 0.2 KW
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±2% of VA ± 5dgts
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1000 – 9999 KW
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1 KW |
±1% ± 2 KW
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±2% of VA ± 5dgts
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| AC Current (50 or 60 Hz, True RMS) |
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Range (Model 19,21)
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Range (Model 23)
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Resolution |
Accuracy of Readings |
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0.30 – 60.00mA
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0.30 – 60.00mA
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0.01mA
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±0.5% ± 5dgts
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60.0 – 600.0mA
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60.0 – 600.0mA
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0.1mA
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±0.5% ± 5dgts
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0.030 – 3.000 A
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0.030 – 9.999 A
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0.001 A
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±0.5% ± 5dgts
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3.00 – 30.00 A
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10.00 – 60.00 A
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0.01 A
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±0.5% ± 5dgts
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30.00 – 50.00 A
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6 0.00 – 99.99 A
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0.01 A
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±1.0% ± 5dgts
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| AC Voltage (50 or 60 Hz, True RMS) |
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Range |
Resolution |
Accuracy of R. |
Range |
Resolution |
Accuracy of R. |
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3V – 250V
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0.1 V
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±0.5% ± 5dgts
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250V – 600V
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0.1 V
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±0.5% ± 5dgts
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| Harmonics of AC Voltage in % and Magnitude (1 to 99th order) |
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Range
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Resolution
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Accuracy in %
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Resolution
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Accuracy in Magnitude
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50V – 600V
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0.1 %
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±0.5%
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0.1 V
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±0.5% ± 0.5V
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| Harmonics of ACA in % Percentage and Magnitude (1 to 99th order) |
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Range (Model 19, 21) |
Range (Model 23)
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Res.
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Accuracy (%)
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Res.
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Accuracy of R.
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10.00 – 60.00mA
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10.00 – 60.00mA
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0.1 %
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±0.5%
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0.01mA
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±0.5% ± 0.1mA
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60.0 – 600.0mA
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60.0 – 600.0mA
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0.1 %
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±0.5%
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0.1mA
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±0.5% ± 1mA
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0.5 – 3.000 A
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0.5 – 9.999 A
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0.1 %
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±0.5%
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0.001 A
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±0.5% ± 0.01 A
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3.00 – 30.00 A
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10.00 – 60.00 A
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0.1 %
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±0.5%
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0.01 A
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±0.5% ± 0.1 A
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30.00 – 60.00 A
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6 0.00 – 99.99 A
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0.1 %
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±1.0%
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0.01 A
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±1.0% ± 0.1 A
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| Power Factor and Phase Angle (PF, Φ ,Model 21 and 23) |
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Range (PF)
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Resolution
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Accuracy
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Range (Φ)
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Resolution
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Accuracy
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0.000 – 1.000
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0.001
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± 1°
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-180° to 180° (0 ° to 360 ° )
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0.1°
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± 1°
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| Total Harmonic Distortion (THD-F, 1 to 99th order) Crest Factor (C.F., Accuracy of Readings) |
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Range
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Resolution
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Accuracy of R.
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Range
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Resolution
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Accuracy of R.
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0.0–999.9%
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0.1%
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± 0.5% ± 5 digits
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1.00 – 99.99
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0.01
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± 5% ± 30 digits
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| General Specification |
| Conductor Size | 30mm (approx.) |
| Battery Type | 1.5V SUM-3 x 2 |
| Display | 4+2+2 digits LCD |
| Power Consumption | 5mA (approx.) |
| Auto-Power-Off | 30 minutes |
| No. Of Samples/Period | 512 (V & A), 256 (W) |
| LCD update rate | 2 times / sec. |
| Weight | 200g (battery included) |
| Operating Temperature | -10 ° C to 50° C |
| Operating Humidity | < 85% relative |
| Storage Temperature | -20° C to 60° C |
| Storage Humidity | < 75% relative |
| Dimension | 210 (L) x 62 (W) x 35.6mm (H), 8.3" (L) x 2.5" (W) x 1.4" (H) |
| Accessories | test leads, Carrying bag x 1, Users manual x 1, Batteries 1.5V x 2 |
| Option | alligator clips |
