HZJF90V1 PD Measurment Partial Discharge Meter

This advanced instrument utilizes high-frequency detection technology to measure partial discharge (PD) in electrical equipment. It integrates cutting-edge technologies including:

Sensing: Ultrasonic, Radio Frequency (RF), Transient Earth Wave (TEW), High Frequency (HF), and Very High Frequency (VHF) detection.

Processing: High-speed signal acquisition, analog electronics, transient waveform sampling, and advanced digital signal processing.

Platform: Linux-based operating system for robust performance and future IoT integration.

Key Capabilities:

Generates 2D/3D PD maps, amplitude-phase spectra (PRPD/PRPS), and quantified discharge values.

Enables detailed static or dynamic analysis of single/multi-cycle PD pulse waveforms for accurate equipment condition assessment.

Ideal for live detection and daily insulation inspection of high-voltage cables, transformers, and other critical assets.

Advantages:

Highly Sensitive & Adaptable: Effectively identifies insulation defects.

Portable Design: Compact, lightweight, and easy to use on-site.

Robust Performance: Features superior anti-interference and measurement accuracy via RF/high-frequency/weak-signal processing and high-precision AD conversion.

Main Features & Indicators:

Rapid On-Site PD Detection: Specifically optimized for high-voltage cables; portable and user-friendly.

Multi-Method Detection: Identifies PD signals via Ultrasonic, TEW, HF, and VHF.

Flexible Sensing: Built-in non-contact air-coupled sensor; supports external surface-coupled ultrasonic sensors.

Comprehensive Analysis: Multiple analysis windows (Phase-Linear, PRPD, PRPS).

Data Management: Store, view, and delete test data; supports waveform recording.

Intelligent Alerting: Configurable alarm thresholds with color-coded amplitude indicators for clear issue identification.

Extended Operation: Large-capacity battery provides 6-8 hours continuous use.

Future-Ready Platform: Linux OS facilitates easy feature expansion and IoT integration.

Main Technical Parameters

1. Non-Contact Ultrasonic Sensor (AA)

Central Frequency: 40 kHz ±1 kHz

Measurement Range: -7 to 68 dBµV

Resolution: 0.1 dB

Form Factor: Interchangeable Bendable/Focusing Design

2. Contact Ultrasonic Sensor (AE)

Detection Band:

SF6 Equipment: 20–80 kHz

Oil-Filled Equipment: 80–200 kHz

Dynamic Range: 60 dB

Resolution: 0.1 dB

3. Transient Earth Voltage Sensor (TEV)

Detection Band: 3–100 MHz

Measurement Range: 0–60 dBmV

Resolution: 0.1 dB

4. Ultra-High Frequency Sensor (UHF)

Detection Band: 300–1500 MHz

Measurement Range: -70 to -10 dBm

Resolution: 0.1 dBm

Effective Height: ≥10 mm

5. 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

6. Device Parameters

Operating Environment:

Temperature: -20°C to 50°C

Humidity: 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