● Power: DC 12-36V ● Measurement content: AE, TEV, UHF, Noise, Temperature, Humidity ● AE range: 0dBuV~60dBuV ● TEV range: 0dBmV~60dBmV ● UHF range: -70dBm~10dBm ● Temp range: -40°C~85°C ● Communication interface: Lora* 1 ● Installation: Magnetic
The APD300-WP is a wireless 3-in-1 partial discharge sensor for online condition monitoring of medium-voltage switchgear. It integrates AE, TEV, and UHF detection technologies to identify insulation defects and provide early fault warnings. Powered by DC 12–36V, it communicates via LoRa wireless transmission with the ATC600-PD receiver. With magnetic installation on the switchgear cable compartment wall, the APD300-WP enables convenient deployment and reliable monitoring of equipment insulation status.
| Model | APD300-L | APD300-W | APD300-WP |
|---|---|---|---|
| Power | DC 12-36V(Standardconfiguration includea DC/AC 220V/110Vto DC 24V powerconversion module) | Battery | DC 12-36V(Standardconfiguration includea DC/AC 220V/110Vto DC 24V powerconversion module) |
| Battery life | / | 3-4years, replaceable | / |
| Communication | RS485(MODBUS-RTU) | LORA(506.5Mhz) | LORA(506.5Mhz) |
| Sampling | 1S | 2H | 15S |
| PD monitoring sensors | AE | Measuring range | 0~60dBuV |
| Resonant frequency | 40kHz+1kHz | ||
| TEV | Measuring range | 0~60dBmV | |
| Bandwidth | 3MHz~100MHz | ||
| UHF | Measuring range | -70~10dBm | |
| Bandwidth | 300MHz~1500MHz | ||
| Average equivalent height | >10mm | ||
| Environment | Noise measuring range | 30dB~130dB | |
| Temp measuring range | -40°C~85°C | ||
| Humidity measuring range | 0~100%RH |
| Usage environment | Temperature | -40°C~85°C |
| Relative humidity | ≤95%RH | |
| Size | Terminal form factor | 135mm*100mm*42mm |
| Installation | Installation | Magnetic |
APD300-L triple-in-one wired partal discharge sensor adopts a strong magnetic adsorpton mounting method and is installed on the cabinetwall in the cable compartment of the switchgear, The detailed dimensions of the product are shown in the figure, in mm.
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