User manual for Baker's ST103A, ST106A, and ST112A surge/DC HiPot tester covering safety, operation, and specifications.
This manual provides safety information, installation guidelines, and detailed operating procedures for the Baker ST103A, ST106A, and ST112A Surge/DC HiPot Testers. It includes warnings, grounding requirements, and handling instructions to ensure safe and reliable use.
The document also describes test procedures for DC HiPot and surge testing, technical specifications such as output voltage ranges and current limits, and troubleshooting tips. Appendices list accessories, typical winding faults, and additional technical data.
| Surge Test Output Voltage (ST103A) | 0‑3000 V |
|---|---|
| Max Output Current (Surge) | 200 A (ST103A), 380 A (ST106A), 800 A (ST112A) |
| Pulse Energy (Surge) | 0.18 J (ST103A), 0.72 J (ST106A), 2.88 J (ST112A) |
| Voltage Measurement Accuracy (Surge) | ±10 % |
| DC HiPot Output Voltage | 0‑3000 V (ST103A), 0‑6000 V (ST106A), 0‑12000 V (ST112A) |
| DC HiPot Current Resolution | 1/10/100 µA division |
| Dimensions (W×H×D) | 21" × 9" × 19" (≈560 × 210 × 480 mm) |
| Power Required (ST103A/ST106A) | 120 V/60 Hz, 118 W |
| Power Required (ST112A) | 120 V/60 Hz, 350 W |
Input power must be 110 to 120 VAC at 60 Hz for the ST103A, ST106A, and ST112A models.
No, the instrument is NOT waterproof or sealed against water entry.