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- Electronic measuring instruments
- Hioki AC/DC HIGH VOLTAGE DIVIDER VT1005
Safely Measure High Voltages up to 5000 V
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.
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
Model: VT1005
Maker:
Hioki
Introduction and Application
Basic specifications
| 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.) |
| 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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