GW Instek GDP-100 differential probe
Details
The GW Instek GDP-100 is a quality high-voltage differential probe, part of the GDP series. The GDP series of differential probes allows users to make high-voltage measurements on floating circuit tests within a 2% margin of error. Furthermore, these probes offer selectable attenuation, greatly expanding their use cases and versatility.
The GDP-100 has a bandwidth of 100MHz and a maximum input voltage rating of 7000V, which can be safely displayed on any ground-referenced oscilloscope. Furthermore, its high input impedance and low input capacitance greatly improve the accuracy of the differential signal. Finally, the device features an over-range indicator, which lights up when the maximum input voltage is exceeded.
Model overview
The products in this series differ mainly in bandwidth and max. input differential voltage. For other differences, please check the specifications or datasheet.| Model | Bandwidth | Max. input differential voltage | Price |
| GDP-025 | 25 MHz | ±1400 V | |
| GDP-050 | 50 MHz | ±7000 V | |
| GDP-100 | 100 MHz | ±7000 V |
Specifications
| Max. input differential voltage | 700V（100X) 1400 V（200X） 3500 V（500X） 7000 V（1000X） |
| Delay time | 7 ns (100X) 3.5 ns (500X, 1000X, 2000X) |
| Gain accuracy | ± 2% |
| Output voltage | ≤ ±7 V |
| Input impedance | 54 MΩ / 1.2 pF (differential) 27 MΩ / 2.3 pF (each input to ground) |
| Output impedance | 50 Ω |
| CMRR | 60 Hz: > 80 dB 100 Hz: > 60 dB 1 MHz: > 50 dB |
| Power supply | External 9 VDC, 0.4 W |
| Cable length | 100 cm |
| Dimensions | 240 x 80 x 30 mm |
| Weight | 280 g |
Accessories
- 1x Power cord
- 1x 100 cm BNC cable
- 2x 60 cm banana cable
- 2x HV IC clip
- 2x Alligator clip
- Declaration of traceable calibration
Pros and cons
- Selectable attenuation
- Accurate
Downloads
| GW Instek GDP series datasheet |  (1.5 MB) | Download |
| GW Instek GDP series user manual | (738.81 KB) | Download |
| DTC sample | (126.04 KB) | Download |
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