Inverters used in rail and power system applications convert high-voltage power. To measure the efficiency of such conversions, it’s necessary to measure voltages of 1000 V and above. The VT1005 divides voltages of up to 5000 V and outputs them to a power analyzer. In order to measure the efficiency of high-efficiency inverters with a high degree of precision, you need to be able to accurately measure power from DC to high frequencies. Thanks to its excellent frequency flatness, the VT1005 makes accurate measurements at frequencies ranging from the fundamental wave to switching-frequency components. HIOKI AC, DC HIGH VOLTAGE DIVIDER VT1005 Price in Bangladesh reflects its premium precision for voltage measurement up to 5kV. Ideal for R&D and production lines, this device ensures accurate testing in high-voltage environments. VT1005 offers superior safety, making it a reliable choice for professionals across the electrical and electronics industries.
Key Features
- Max. Input 5000 V (*1)
2000 V CAT II
1500 V CAT III
- Measurement Accuracy:
±0.08% (DC)
±0.04% (50/60 Hz)
±0.17% (50 kHz)
- Frequency Flatness:
±0.1% Amplitude Band 200 kHz Typ.
±0.1° Phase Band 500 kHz Typ. (*2)
- Measurement Band:
DC to 4 MHz (-3 dB)
- Noise Resistance:
CMRR 80 dB Typ. (100 kHz)
Differential Input Method
Basic specifications
Accuracy guaranteed for 1 year
| Maximum rated voltage |
5000 V rms, ±7100 V peak (*1) |
Maximum rated voltage
(line-to-ground) |
No measurement category: 5000 V AC/DC (*2)
Measurement category II: 2000 V AC/DC (*3)
Measurement category III: 1500 V AC/DC (*4) |
| Voltage dividing ratio |
1000：1 |
| Measurement accuracy |
±0.08％(DC), ±0.04％(50/60 Hz), ±0.17% (50 kHz) |
Frequency
flatness |
Band where amplitude falls within ±0.1% range: 200 kHz (typical)
Band where phase falls within ±0.1° range: 500 kHz (typical) (*5) |
| Measurement bandwidth |
DC to 4 MHz (Amplitude and phase accuracy specified up to 1 MHz) |
Common-mode voltage
rejection ratio (CMRR) |
50 Hz/60 Hz: 90 dB（Typical）
100 kHz: 80 dB (Typical） |
| Measurement method |
Differential input |
| Operating temperature and humidity range |
-10°C to 50°C (14°F to 122°F), 80% RH or less (non-condensing) |
| Storage temperature and humidity range |
−20°C to 60°C (-4°F to 140°F), 80% RH or less (non-condensing) |
| Standards |
Safety: EN 61010
EMC: EN 61326 Class A |
| Power supply |
100 V to 240 V AC (50/60 Hz) |
| Dimensions and Weight |
Approx. 195.0 mm (7.68 in) W × 83.2 mm (3.28 in) H × 346.0 mm (13.62 in) D mm
Approx. 2.2 kg (77.6 oz.) |
| Included accessories |
- L1050-01 Voltage Cord ×1 (1.6 m/ 5.25 ft)
- L9217 Connection Cord ×1 (insulated BNC, 1.6 m/ 5.25 ft)
- 9704 Conversion Adapter ×1 (insulated-female BNC-to-banana plug)
- Power cord ×1 |
- *1:Within the frequency derating range
No measurement category: Applicable to the measurement of circuits that are not directly connected to the main power supply.
EXAMPLE: Measurement on the secondary-side equipment from the socket outlet of fixed installation through a transformer, etc.
- *2:±7100 V peak, Anticipated transient overvoltage 0 V
- *3:Anticipated transient overvoltage 12000 V
- *4:Anticipated transient overvoltage 10000 V
- *5:After phase correction by the power analyzer
Measurement accuracy
| Frequency |
Amplitude
±（% of reading + % of full scale） |
Phase |
| DC |
0.03% + 0.05% |
– |
| DC < f < 30 Hz |
0.2% + 0.1% |
±0.1° |
| 30 Hz ≤ f < 45 Hz |
0.1% + 0.1% |
±0.1° |
| 45 Hz ≤ f ≤ 66 Hz |
0.02% + 0.02% |
±0.06° |
| 66 Hz < f ≤ 100 Hz |
0.1% + 0.02% |
±0.12° |
| 100 Hz < f ≤ 1 kHz |
0.1% + 0.02% |
±0.2° |
| 1 kHz < f ≤ 5 kHz |
0.15% + 0.02% |
±0.4° |
| 5 kHz < f ≤ 50 kHz |
0.15% + 0.02% |
±(0.08 × f kHZ)° |
| 50 kHz < f ≤ 100 kHz |
0.5% + 0.02% |
±(0.08 × f kHZ)° |
| 100 kHz < f ≤ 300 kHz |
1.5% + 0.5% |
±(0.08 × f kHZ)° |
| 300 kHz < f ≤ 1 MHz |
5.0% + 0.5% |
±(0.08 × f kHZ)° |
| Frequency band |
4 MHz（-3 dB Typical） |
– |
| Included accessories |
- L1050-01 Voltage Cord ×1 (1.6 m/ 5.25 ft)
- L9217 Connection Cord ×1 (insulated BNC, 1.6 m/ 5.25 ft)
- 9704 Conversion Adapter ×1 (insulated-female BNC-to-banana plug)
- Power cord ×1 |
| Included accessories |
- L1050-01 Voltage Cord ×1 (1.6 m/ 5.25 ft)
- L9217 Connection Cord ×1 (insulated BNC, 1.6 m/ 5.25 ft)
- 9704 Conversion Adapter ×1 (insulated-female BNC-to-banana plug)
- Power cord ×1 |
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