Overview
Enviro Test Construct handheld DC grounding fault locator can be configured in different sensors to detect partial discharge in all electric equipment. The humanized human-computer interface facilitates data management of different devices. Built-in ultrasonic sensor and transient ground voltage sensor can be externally connected with special sensors such as transformer, GIS, overhead line, cale, etc. non-intrusive detection method is adopted, which is more convenient than the traditional pulse partial discharge detector, because there is no need to cut off power and configure additional high voltage source during the test and the test bandwidth range is 30 kHz to 2.0 GHz, applicable to the detection principle of various frequency bands.
Features
- The test bandwidth range is 30 kHz to 2.0 GHz
- Built- in ultra sonic sensors
- Transient ground voltage sensor
- Non invasive detection method
- Humanized human-machine interface
Technical Specifications
| Display | 4.0 in (101.6 mm) RGB LCD screen resolution: 800 x 480 |
| Shell | ABS |
| TEV measurement | Measurement range: 0 dBmV to 60 dBmV Resolution: 1 dB. Accuracy: ±1 dB. Maximum pulse per cycle: 1400 Measurement frequency band: 3 MHz to 100 MHz |
| UHF measurement | Measurement range: 0 dBmV to 60 dBmV Accuracy: < 1 dBmV Sensor frequency band: 300 MH to 2000 MH Detection frequency band: 300 MHz to 2000 MHz |
| AA measurement | Measurement range: -6 dBμV to 68 dBμV Resolution: 1 dB, Accuracy: ± 1 dB Sensor center frequency: 40 kHz |
| AE measurement | Measurement range: -6 dBμV to 68 dBμV Resolution: 1 dB, Accuracy: ± 1 dB Frequency range: 20 kHz to 200 kHz |
| HFCT measurement | Sensor transmission impedance: 5 mV per mA Detection frequency: 1 MHz to 30 MHz Sensitivity: ≤ 50 pC |
| Connector | USB interface (also charger input). 0.13 in (3.5 mm) stereo earphone jack. External sensor input interface |
| Headset | At least 8 Ω |
| SD card | Standard 16 G to 64 G |
| Built in battery | 3.7 V per 5000 mAh lithium battery |
| Working time | About 6 hours |
| Charger | AC 90 V to 264 V or DC 5V |
| Humidity | 20 % RH to 85 % RH |
| Temperature | -4 °F to 122 °F (-20 °C to 50 °C) |
| Dimensions | 8.2 in x 3.93 in x 1.37 in (210 mm x 100 mm x 35 mm) |
| Weight | 0.88 lb (0.4 kg) |
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