Qld-9108 Partial Discharge Tester

The Qld-9108 Partial Discharge Tester is a portable and robust diagnostic tool for early detection of partial discharge in electrical equipment like transformers, switchgear, and cables. It helps prevent costly failures by identifying insulation defects before they become critical. Key features include high-sensitivity sensors, advanced signal filtering to reduce background noise, real-time data analysis, and a durable design for on-site industrial use. The device complies with international standards, ensuring accurate and reliable performance.

Model Performance

Number of Channels: 8 independent channels
Sampling Rate: 40MHz
Sampling Accuracy: 12-bit
Range Switching: -40dB, -20dB, 0dB, 20dB, 40dB, 60dB (6 ranges)
Programmable Filter Segments: High Pass: 10kHz, 20kHz, 40kHz, 80kHz
Low Pass: 100kHz, 200kHz, 300kHz, 400kHz
Nonlinearity Error within this Range: 5%
Measurement Range: 0.1pC～100,000pC
Sensitivity: 0.1pC
Testable Specimen Capacitance Range: 6pF～250μF
Test Power Supply Frequency Range: 30Hz～400Hz

Interfaces

Power Interface: AC 220V; Frequency 50Hz;
USB Communication Interface: One signal control interface; One signal transmission port
External Synchronization Input Interface: Voltage range: 10V～400V
Frequency range: 30Hz～400Hz
Calibration Pulse Output Interface: Output standard pulse voltage 500pC/1kHz
Grounding Button: External grounding
Partial Discharge Signal Input Interface: 8-channel BNC interface for signal input; 8-channel Remo interface for signal input
General Instructions
Operating Environment: Ambient temperature: -10～45°C
Relative humidity: ≤95%
Dimensions: Length × Width × Height: 380mm × 375mm × 240mm
Weight: 14kg

Key Features and Specifications

Feature	Details
Measurement Range	0.1pC to 100,000pC
Sensitivity	0.1pC
Frequency Range	80kHz–200kHz, 40kHz–300kHz
Sampling Accuracy	12-bit
Range Adjustment	8 levels: 60dB to -10dB
Nonlinear Error	±5%
Test Power Frequency	50Hz–400Hz
Display Resolution	800×480 TFT touchscreen
Data Analysis	2D/3D graphics, spectral analysis, Q-V-F window, and waveform recording
Interference Suppression	Advanced anti-interference technology for accurate measurements
Portability	Compact design with a wooden box for packaging
Customization Options	OEM support for logo, packaging, and graphic customization
Warranty	18 months
Weight and Dimensions	6 kg; 35×25×18 cm
Power Source	Electronic