1. Summary
TH0470 is a precision buffer that converts high internal resistance signals into low-impedance outputs, with good AC-DC difference and phase shift performance, suitable for precision measurement of voltage, current, phase, power and other electrical parameters in wideband.
2. Features
• Typical AC/DC difference: 3 ppm
• Typical phase shift: 3 ppm
• Maximum operating frequency: 100 kHz/1 MHz
• Input impedance: 10 MΩ // 20 pF
• Input voltage: 7 V
• Gain: 1
• Battery powered, longer than 7 hours
• Small size, light weight, easy to carry to the field
3. Main applications
• Verification buffered outputs of coaxial current shunt, V/V converters, I/V converters, etc.
• Wideband voltage, current, phase, power and other precision measurements
• Phase shift measurement of transformer
• Analyze power quality
• Measurement at low power factor
4. Specifications
Model | Frequency | 50 Hz | 400 Hz | 1 kHz | 10 kHz | 100 kHz | 1 MHz |
TH0470-100kHz | AC/DC difference (ppm) | 3 | 4 | 4 | 10 | 60 | — |
Phase shift (μrad) | 3 | 5 | 5 | 10 | 60 | — | |
TH0470-1MHz | AC/DC difference (ppm) | 3 | 4 | 4 | 10 | 60 | 2500 |
Phase shift (μrad) | 3 | 5 | 5 | 10 | 90 | 2500 |
• Input voltage: 7 Vpk
• Input impedance: 10 MΩ // 20 pF
5. General Specifications
Power supply | Battery powered, continuous working time after full charge > 7 hours |
Temperature performance | Operating temperature: 13°C ~ 33°C； Storage temperature: 5°C ~ 45°C； |
Humidity Performance | Operating humidity: 50% R·H，non-condensing； Storage humidity:（15% ~ 80%）R·H，non-condensing。 |
Weight | Approx. 1.5 kg |
I/O connectors | Input: 50 Ω-N female Output: 50 Ω-N male |
Dimensions | 215 mm (W) ×130 mm (D) ×62 mm (H) |
6. Ordering Information
Advanced Multifunction Calibrator Advanced Electrical Reference Standards Electric Vehicle （EV）Charging Facility Tester AC/DC Standard Source /Meter Single-phase/Three-phase Standard Meter Magnetic Parameters Measurement and Calibration Magnetic Material Testing Equipment Electrical Steel Testing Equipment