Portable partial discharge detectors compared
Technical data of the 3 units of this type offered by Amperis, row by row. Tick «Compare» on two or three to see them side by side, copy the link or print the comparison.
| APD-LT Partial Discharge Meter | Partial discharge detector PXDP-II | Ultrasonic inspection system PULD 40 | |
|---|---|---|---|
| Sensitivity | Not stated on the product page | 5 pC (depending on the capacitance of the device under test) | 0.125 mm diameter leak at 0.35 bar, at 3 m |
| Bandwidth | 30 MHz to 47 MHz | 300 kHz to 70 MHz | 40 kHz; 38 to 48 kHz |
| Working distance | Not stated on the product page | Not stated on the product page | Optimised for 3 m (built-in sensor) or 15 m (parabolic sensor) |
| Dynamic range | 60 dB | 60 dB | 96 dB |
| Accuracy | ± 2 dB (direct contact injection) | ± 1 dB; 1 dB resolution | Not stated on the product page |
| Memory and communications | Bluetooth Low Energy (BLE), up to 30 m typical range | Over 380 recordings | Not stated on the product page |
| Power supply | 1 9V alkaline battery; up to 10 hours of continuous use | Rechargeable NiMH batteries; 7.5-hour autonomy; 3-hour charging | Lithium-ion; 4-hour autonomy; 2.5-hour charging |
| Operating conditions | Not stated on the product page | Not stated on the product page | -20°C to 60°C; storage -30°C to 85°C |
| Weight and protection | Protection rating: IP66 (measurement module) / IP68 (remote display) Measurement module weight and dimensions: 0.43 kg; 192.5 x 120.7 x 47.4 mm | Display and protection: High-contrast backlit LCD; splash-proof protection Weight and dimensions: 203 × 114 × 51 mm; 860 g | 528 g; 57 × 52 × 185 mm |
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Data from the specifications table of each product page and, for units without a product page, from their technical documentation. Missing data is flagged.
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