1. Purpose:
used for signal measurement and sampling in high voltage lines.
2. External size:

| power (W) | temperature coefficient | Resistance range (Ω) | Resistance tolerance | limit voltage AC, DC | Dmax (mm) | Lmax (mm) |
| 5 | ±350 ppm/℃ | 1M—200M | ±5% ±10% | 15KV | Ø 12 | 55 |
| 10 | 1M—500M | 30KV | 85 | |||
| 20 | 1M—750M | 40KV | 115 | |||
| 25 | 1M—1G | 50KV | 140 | |||
| 10K—500M | 30KV | Ø 18 | 92 | |||
| 50 | 100K — 1000M | 50KV | Ø 23 | 145 | ||
| 100 | 60KV | Ø 28 | 185 | |||
| 150 | 90KV | 225 | ||||
| 200 | 90KV | Ø 38 | 225 | |||
| 300 | 120KV | 325 |