Current and Voltage Transformer Analyzer CVA500
SKU: CVA500X-N-W3
The DV Power CVA series is all-in-one test instruments designed for high-precision testing of current transformers (CT), inductive voltage transformers (VT/PT), and capacitive voltage transformers (CVT). Engineered for substation maintenance and laboratory testing, the CVA series combines multiple diagnostic tools into a single, portable device.
Estimated shipping time 4-5 weeks
The DV Power CVA series is all-in-one test instruments designed for high-precision testing of current transformers (CT), inductive voltage transformers (VT/PT), and capacitive voltage transformers (CVT). Engineered for substation maintenance and laboratory testing, the CVA series combines multiple diagnostic tools into a single, portable device.
With its advanced automation, this analyzer significantly reduces testing time, eliminates manual wiring errors, and ensures maximum operator safety.
Key Testing Capabilities
Current Transformers (CT): Turns ratio, saturation (knee point), burden, demagnetization, winding resistance, and insulation resistance. Additionally, it can calculate Ratio and Phase errors, composite error, ALF, FS, and Vb.
Voltage Transformers (VT/PT & CVT): Turns ratio, burden, winding resistance, and insulation resistance.
One-Time Connection: Connect all measurement terminals just once—including the primary side, burden, and up to 5 secondary taps.
Automated Relay Matrix: Switch between all 5 secondary taps automatically without manual cable reconnection or operator intervention.
High-Power Output: Generates up to 2 kV AC (50/60 Hz) for accurate saturation (knee point) tests.
Built-in Insulation Tester: Delivers up to 1 kV DC for reliable insulation resistance screening.
Rugged & Portable: Built to withstand harsh field environments in electrical substations.
| Product information | |
|---|---|
| Product name | Current and Voltage Transformer Analyzer CVA500 |
| Brand | DV Power |
| Country of origin | Sweden; |
| Turns Ratio Measurement | |
| Test voltages | 1 V – 2000 V AC |
| Turns ratio measurement range | 0,8 – 20 000 |
| Turns ratio resolution | 5 digits |
| Typical accuracy | |
| 0,8 – 2 000 | ± 0,02 % rdg |
| 2 000 – 5 000 | ± 0,03 % rdg |
| 5 000 – 20 000 | ± 0,05 % rdg |
| Phase Angle Measurement | |
| Phase angle range | 0 – 360° |
| Phase angle resolution | 0,01° |
| Typical phase angle accuracy | ± 0,05° |
| Saturation (Knee Point) Measurement | |
| Voltage measurement range | 0 – 2100 V |
| Voltage resolution | 0,1 V |
| Typical voltage accuracy | |
| ± 0,05 % @ ≥ 5 V | |
| ± 0,5 % @ < 5 V | |
| Current measurement range | 0 – 1 A / 10 A |
| Current resolution | |
| 0,1 mA @ < 1 A | |
| 1 mA @ ≥ 1 A | |
| Typical current accuracy | ± (0,05 % rdg + 0,05 % FS) |
| Winding Resistance Measurement (CT, VT, CVT Secondary) | |
| Measurement range | 0 – 999,9 Ω |
| Resolution | 4 digits |
| Typical accuracy | ± (0,2 % rdg + 2 mΩ) |
| Winding Resistance Measurement (VT Primary) | |
| Measurement range | 0 – 99,99 kΩ |
| Resolution | 4 digits |
| Typical accuracy | ± (0,2 % rdg + 2 Ω) |
| Burden Measurement (CT) | |
| Voltage measurement range | 0 – 45 V |
| Voltage resolution | 0,001 V |
| Typical voltage accuracy | |
| ± 0,05 % @ ≥ 5 V | |
| ± 0,5 % @ < 5 V | |
| Current measurement range | 0 – 1 A / 7 A |
| Current resolution | 0,001 A |
| Typical current accuracy | ± (0,05 % rdg + 0,05 % FS) |
| Burden Measurement (VT, CVT) | |
| Voltage measurement range | 0 – 300 V |
| Voltage resolution | 0,001 V |
| Typical voltage accuracy | |
| ± 0,05 % @ ≥ 5 V | |
| ± 0,5 % @ < 5 V | |
| Current measurement range | 0 – 1 A / 7 A |
| Current resolution | 0,01 mA |
| Typical current accuracy | ± (0,05 % rdg + 0,05 % FS) |
| Insulation Resistance Measurement | |
| Test voltages | 500 V / 1000 V DC |
| Measurement range | 0 – 20 GΩ |
| Range / resolution | |
| 0 – 99,99 MΩ → 0,01 MΩ | |
| 100,0 – 999,9 MΩ → 0,1 MΩ | |
| 1000 – 20000 MΩ → 1 MΩ | |
| Typical accuracy | |
| ± (3 % rdg + 0,2 per GΩ) @ 1000 V DC | |
| ± (3 % rdg + 0,4 per GΩ) @ 500 V DC | |
| Output AC Source | |
| Up to 2000 V AC (Ratio and saturation test) | |
| 1 A or 5 A AC (CT burden test) | |
| Up to 110 V AC (VT/CVT burden test) | |
| Output DC Source | |
| 500 V or 1000 V DC (Insulation resistance test) | |
| Up to 5 A DC (Winding resistance test) | |
| Power Supply | |
| Powered by | Mains power |
| Mains power connection according to | IEC/EN60320-1 UL498, CSA 22.2 |
| Mains power input voltage | 90 – 264 V AC |
| Mains power input frequency | 50/60 Hz |
| Data Storage | |
| Storage | SD card 32 GB |
| Computer Interface | |
| Interfaces | USB, Ethernet |
| Display | |
| Display | 10.1 |
| Printer | |
| Built-in thermal printer | |
| Paper width | 112 mm / 4.4 in |
| Environmental Conditions | |
| Operating temperature | -10 ºC – +60 ºC (+14 ºF – +140 ºF) |
| Storage temperature | -20 ºC – +70 ºC (-4 ºF – +158 ºF) |
| Applicable Standards | |
| Installation/overvoltage | CAT II IEC/EN 61010-1 |
| Electromagnetic compatibility | EN 61326-1 |
| CE conformity | Directive 2014/30/EU, Directive 2014/35/EU |
| Dimensions and Weight | |
| Dimensions (W x H x D) | 257 x 505 x 409 mm (10,1 x 19,9 x 16,1 in) |
| Weight | 20.5 kg (45,2 lbs) |
- Cable plastic case - small size
- Dolphin clip (black)
- Dolphin clip (red)
- CVA500 Device
- Primary side cables set 4 x 10 m (32.8 ft) with banana plugs
- TTA clamps with banana plugs (red)
- TTA clamps with banana plugs (black)
- Secondary side cables set 10 x 5 m (16.4 ft) with banana plugs
- Cable lug adapter set
- Flex wire adapter set
- Secondary side cables set 5 x 0.5 m (1.64 ft) with dolphin clips (Kelvin)
- Cable coupler set
- Grounding cable set 1 x 5 m (16.4 ft) with dolphin clip
- Burden cables set 2 x 5 m (16.4 ft) with dolphin clips (Kelvin)
All results from instrument’s internal memory can be easily transferred to a DV-TR software via Bluetooth communication. This allows users to analyze results in the office, to print them, or to create customized test reports. The software is included in the purchase price.