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APD300-L Partial Discharge Detector RS485 Modbus-RTU
Measurement content:discharge amplitude, discharge frequency, discharge capacity, PRPD/PRPS map, etc. RS485（MODBUS-RTU）
The APD series medium-voltage switchgear partial discharge monitoring device monitors partial discharge signals during the operation of electrical equipment through ultra-high frequency sensors, ground wave sensors, and ultrasonic sensors, thereby determining whether there are insulation risks inside medium-voltage electrical equipment and providing early warning.
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Main Feature
●Power supply: DC12~36V (APD300-L) or Battery (APD300-W)
●Measuring range: -70dBm~+10dBm;
●Measurement content:discharge amplitude, discharge frequency, discharge capacity, PRPD/PRPS map, etc.
●Communication: 1RS485,MODBUS-RTU protocol(APD300-L); 1 channel Lora wireless communication (APD300-W);
●Strong anti-interference ability, high reliability.
●Magnetic installation
Parameter
| Parameters | APD300-L | APD300-W | ||
| Power | DC 12-36V | Battery | ||
| Battery life | — | 3-4years, replaceable (Model 2ER18505M) | ||
| Communication | RS485 (MODBUS-RTU ) | Lora | ||
| Sampling | 4s | 2h | ||
| 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℃~85°C | |||
| Humidity measuring range | 0~100%RH | |||
| Usage environment | Temperature | -40℃~85°C | ||
| Relative humidity | ≤95%RH | |||
| Size | Terminal form factor | 135mm*100mm*42mm | ||
| Installation | Installation | Magnetic | ||
Dimension & Installation
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.
APD300-L Dimensional
APD300-L triple-in-one wired partial discharge sensor
APD300-W triple-in-one wireless partial discharge sensor adopts a high-strength magnetic mounting system, installed on the external doorpanels of either the circuit breaker compartment or cable compartment in each switchgear unit, without the need for high voltage power outageThe detailed dimensions of the product are shown in the figure, in mm.
APD300-W Dimensional
Network
APD300-W triple-in-one wireless partial discharge sensor
Photo on site
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