UT255E
Price 28,541.29 EG
In stock
About this item
UNI-T UT255E is a wireless hook ammeter for safe, contactless current, leakage, and frequency measurement on high/low voltage lines up to 20kA.
Total price 28,541.29 EG
Product Features
- 433 MHz wireless transmission for safe, cable-free data link between detector and receiver.
- 3.5″ true-color LCD with fast sampling and built-in data storage.
- Frequency measurement capability alongside current readings.
- AC current measurement up to 20 kA.
- Large-diameter hook (Φ168 mm) suited for thick cables and busbars.
- Up to 10 hours continuous operation on internal rechargeable lithium battery.
- Fast sampling rate (2 times/sec) for capturing transient events.
- Overrange indication (“OL A”) and dynamic no-signal display (“—-”).
- Anti-drip structural design (Type II) to resist moisture ingress.
- No 433 MHz co-channel interference, ensuring stable readings.
Product Applications
- High/low voltage leakage current measurement.
- Current and frequency measurement.
- Grounding current test of transformer iron cores.
- Transformer load inspection.
- Leakage current testing of multi-core cables.
- Measurement on bare conductors (<35 kV).
- Measurement on sheath-insulated cables (<110 kV)
Specifications
| Type | Value |
|---|---|
| Power | Lithium battery (USB charging) 10 hours continuous operation |
| Weight | Hook detector: 496 g Receiver: 395 g Insulating rod: 1.45 kg Total: 11.5 kg |
| Insulation Strength | Insulating rod: AC 110 kV rms Detector & Receiver: 2000 V rms |
| Position Error | Area A: None Area B: +0.2% Area C: +2% |
| Data Storage | Up to 9,999 measurement sets |
| Display | 3.5″ true-color LCD, backlight adjustable |
| Dimensions | Hook detector: 310×270×52 mm Receiver: 250×100×40 mm |
| AC Current Measurement | 0–99.9 A: ±2% ±5dgt 100–6000 A: ±3% ±5dgt 6–20 kA: ±4% ±5dgt Resolution: 10 mA |
| Frequency Measurement | 45–75 Hz, 0.1 Hz resolution Accuracy ±1 Hz (auto 50/60 Hz) |
| Testing Method | Hook-type CT clamped onto conductor |
| Operating Environment | Temp: −10 °C to 40 °C; Humidity: < 80% RH |
| Phase Detection Distance | 150 m (line-of-sight) |
| Storage Environment | Temp: −10 °C to 60 °C; Humidity: < 70% RH |