PD74i Smart Partial Discharge Monitor is a handheld PD detection system based on an intelligent, accurate and portable design concept. A lightweight portable wireless PD monitor is paired with an advanced application run on a user’s Android smartphone or tablet. The combination facilitates better PD recognition by using many different PD detection techniques such as HF, UHF, TEV and both contact and airborne ultrasonic acoustic .
SmartPD is the Android application used to operate the PD74i. The pairing facilities a no-compromises experience with the PD74i monitor being optimised for detection detection capability and deployment flexibility while the SmartPD application uses the power of modern Android mobile devices for high fidelity real-time display and analysis of measurements. The mobile device can also save measurements to local storage with recorded PD data being able to be played back at any time. Text, pictures, video, and other information can be attached along with PD data, supporting the migration to fully paperless on-site testing procedures.
Designed to support collaboration by taking full advantage of the wireless data capabilites of modern mobile devices. PD Data and attachments can be easily shared via instant messaging applications or email. Data can also be streamed to a remote server for more scalable archiving or team analysis.
SmartPDBrowser Windows application makes it convenient to thoroughly analyse data collected on site. Ideal for use by PD experts for generating detailed reports.





| Specification | HF | UHF | TEV | Acoustic |
|---|---|---|---|---|
| Bandwidth | 100 kHz ... 20 MHz | 300 MHz ... 1.5 GHz | 3 ... 100 MHz | AE : 20 ... 300 kHz AA : 40 ± 1 kHz |
| Amplitude range | -5 ... +5 V | -80 ... -5 dBm | 70 dB | 70 dB |
| Frequency sync | Wireless, Internal (20 ... 350 Hz) | |||
| Connectivity | Wi-Fi, Cellular, Bluetooth, USB | |||
| Operating temperature | -20 ... +45 °C | |||
| Operating humidity | <95% non-condensing | |||
| Size, mm | 147 × 110 × 34 | |||
| Weight | 498 g | |||