Huazheng HZJF90V1 Switch Cabinet Partial Discharge Detector (40 kHz ±1 kHz)

Non-Contact Ultrasonic Sensor (AA):

Central Frequency: 40 kHz ±1 kHz

Measurement Range: -7 ～68 dBµV

Resolution: 0.1 dB

Form Factor: Interchangeable Bendable/Focusing Design

Contact Ultrasonic Sensor (AE):

Detection Band: 20–80 kHz (SF6 Equipment); 80–200 kHz (Oil-Filled Equipment)

Dynamic Range: 60 dB

Resolution: 0.1 dB

Transient Earth Voltage Sensor (TEV):

Detection Band: 3–100 MHz

Measurement Range: 0–60 dBmV

Resolution: 0.1 dB

Ultra-High Frequency Sensor (UHF):

Detection Band: 300–1500 MHz

Measurement Range: -70 to -10 dBm

Resolution: 0.1 dBm

Effective Height: ≥10 mm

High-Frequency Sensor (HF):

Detection Band: 0.3–30 MHz

Measurement Range: 0–70 dB

Gain Range: -30 to 20 dB:

Resolution: 0.1 dB

Impedance: Input 50 Ω; Transmission ≥10 mV/mA

Device Parameters:

Operating Environment: -20°C to 50°C; 0–85% RH (non-condensing)

Display: 5.6" TFT LCD (480 × 640 px)

Dimensions: 230 × 170 × 48 mm

Weight: 1.35 kg

Battery Life: ≥6 hours (continuous operation)

Datasheet