HV Hipot Electric Co., Ltd.  

Product Name: GDPD-505H Handheld Partial Discharge Detector For Substation Model NO.: GDPD-505H Power Source: AC220V Weight: 0-100Kg Control: Computer Control Display: Digital Loading Method: Dynamic Load Load Way: Electronic Load Type: Universal Testing Machine Measurement channel: 2-4 independent channels Sampling rate: Max.250MHz each channel Detection sensitivity: 1PC Measurement range: 1PC~10000PC Dynamic range: > 80dB Trademark: HV Hipot Transport Package: Standard Export Wooden Box Specification: 135*80*25 mm Origin: Wuhan, China HS Code: 9030899090 Product Description GDPD-505H Handheld Partial Discharge Detector For SubstationGeneral InformationGDPD-505H Handheld Partial Discharge Detector isused for detecting and locating partial discharge of transformer and high voltage electrical equipment. It consists of main unit, partial discharge detection software, HFCT, calibrated pulse generator, 150khz contacted ultrasonic sensor, synchronous signal converter and connecting line.FeaturesHandhelddesign, robust and reliable.Strong anti-interference ability, detection data accurately.Using digital filtering technology, effectively eliminate field interference.High-sensitivity sensor that can sensitively reflect the partial discharge state inside the device.Connection is simple and convenientMulti-functional softwareThe partial discharge display result of this software is in accordance with IEC60270 standard, and can be displayed by using pC and mV .SpecificationsStandardIEC60270 "partial discharge measurement"GB/T7354 "partial discharge measurement"Working AmbientAmbient temperature: -10ºC~50ºCRelative humidity: ≤95%Altitude: ≤1000mMain unit parameterMeasurement channel: 2-4 independentchannelsSampling rate: Max.250MHz each channelDetection sensitivity: 1pcMeasurement range: 1pc~10000pcDynamic range: > 80dBBandwidth of 3dB measurement band: 10KHz ~ 30MHzDigital filter: Arbitrarily set in the range of 50KHz - 30MHzPower supply:AC220V±10%; frequency 50Hz; power <50WSensor parameterHFCTDetection bandwidth: 50KHz - 30MHzSignal transmission mode:50Ω coaxial cableDetection sensitivity 10pCCalibrated pulse generatorStandard pulse voltage: 0.1V(10pC), 0.5V(50pC), 1.0V(100pC), 5.0V(500pC)Output frequency: 50Hz~1KHz(step 50)Injection capacitance: 100pFRise time: <30nsDecay time: ≥100μsOutput internal resistance: <1000Calibration charge amount error: <±15%Dimension and weight: 135*80*25 mm, about 275g150KHz contact magnetic adsorption ultrasonic sensorDetection frequency: center frequency 150KHzSignal transmission method: 50Ω coaxial cableEffective sensitivity: 10pc (measured in a 5mm thick steel plate tank, one meter range of pure oil)Synchronous signal converterInput amplitude range: 20-250VInput frequency range: 40-300HzSignal output range: TTL levelSignal transmission method: 50Ω coaxial cable