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
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