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Top Partial Discharge Detector Manufacturers and Suppliers in China

Partial Discharge Detector

DEMIKS is one of the best manufacturers and suppliers in China. We pride ourselves on providing quality and reliable detectors, which are critical in identifying and preventing failures in electrical systems. Our products are professionally trusted in the industry for their accuracy and durability.

DJF-124 Partial Discharge Detector

Touchscreen Interaction: Users can interact with the device through a 10.1 inch touchscreen, doing away with traditional oscilloscope tubes and knobs.
Sophisticated Circuitry: Adopts a 32-bit high-performance microcontroller, enhancing product life and economical operation.
Main Functions: Offers one-click calibration, adjustable voltage divider ratio, and serial communication for data uploads.
Exceptional Performance: Features high detection sensitivity, versatile test object range, expansive dynamic range, nine frequency bands, and robust anti-interference.

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Parameter	Value
Test Object Equivalent Capacitance Range	6 pF ~ 250 µF
Measurement Range	0.1 pC ~ 10,000 nC
Number of Channels	Single Channel
Detection Sensitivity & Permissible Current	(See Table 1)

Input units/Serial number	Tuning capacitance range	Sensitivity (pC)/(unbalanced circuit)	Allowable current RMS/Unbalanced circuits	Allowable current RMS/Balanced circuits
1	0 to 25 to 100pF	0.02	30mA	0.25A
2	25 to 100 to 400pF	0.04	50mA	0.5A
3	100 to 400 to 1500pF	0.06	120mA	1A
4	400 to 1500 to 6000pF	0.1	0.25A	2A
5	1500~6000~25000pF	0.2	0.5A	4A
6	0.006 to 0.025 to 0.1μF	0.3	1A	8A
7	0.025 to 0.1 to 0.4 μF	0.5	2A	15A
8	0.1 to 0.4 to 1.5 μF	1	4A	30A
9	0.4 to 1.5 to 6.0μF	1.5	8A	60A
10	1.5 to 6.0 to 25μF	2.5	15A	120A
11	6.0 to 25 to 60μF	5	25A	200A
12	25 to 60 to 250μF	10	50A	300A
7R	Resistors	0.5	2A	15A

DJF-127 Digital Partial Discharge Detector

High Sensitivity and Accuracy: Thanks to cutting edge digital sensors, it monitors partial discharges with high precision.
Handheld Convenience and Simplicity:The lightweight and compact design of the detector enables effortless mobility and operation across diverse testing locations.
Comprehensive Data Analysis: The detector enables advanced diagnostics by capturing detailed patterns of discharge with integrated data logging and analysis features.
Versatility Across Applications: The detector is applicable across many fields and industries due to its capability to test equipment like transformers, switchgear, and cables.

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DJF-SC128 Handheld Partial Discharge Meter

Usage Instructions: Equipment for indoor use only (-20℃ ~ 50℃, ≤80% RH) ./No access to flammable/explosive materials./First use prep: factory reset. Power off when charging./Handle ports with care.
Scope of Application: switchgear, transformers, GIS, cables, etc.
Technical Benefits: Testing does not require power downtime./Broad bandwidth (30kHz ~ 2.0GHz) supports numerous detection activities.

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Measurement Type	Specifications
TEV Measurement	Measurement Range: 0-60 dBmV Resolution: 1dB Accuracy: ±1dB Maximum Pulse per Cycle: 1400 Measurement Band: 3~100MHz
UHF Measurement	Detection Band: 300-2000MHz Measurement Range: 0-60 dBmV Accuracy: <1dBmV Sensor Frequency Band: 300-2000MHz
AA Measurement	Measurement Range: -6dBμV~68dBμV Resolution: 1dB Accuracy: ±1dB Center Frequency of Sensor: 40 kHz
AE Measurement	Measurement Range: -6dBμV68dBμV Resolution: 1dB Accuracy: ±1dB Frequency Range: 20200 kHz
HFCT Measurement	Sensor Transmission Impedance: 5mV/mA Inspection Frequency: 1~30MHz Sensitivity: ≤50pC
Hardware	Specifications
Shell	ABS
Display	4.0 Inch RGB LCD
Connector	USB interface (also charger input), 3.5mm Stereo headphone jack, External ultrasonic sensor input
Earphone	Minimum 8 ohms
SD Card	Standard configuration 16G ~ 64G
Built-in Battery	3.7V/5000mAh lithium battery
Working Time	About 6 hours
Charger	AC 90-264V or DC 5V
Working Temperature	-20 ~ 50℃
Humidity	20-85% relative humidity
Size & Weight	21010035(mm), 0.4KG (host machine)

DJF-SC129 Handheld Digital Partial Discharge Detector

Wide Application Scope: Identifies partial discharge activity within the scope of power systems and high-voltage apparatuses such as transformers, switchgear, GIS, and cables.
Advanced Detection Features: Facilitates comprehensive analysis for discharge severity, frequency, as well as detailed PRPD and PRPS patterns.
Versatile Sensor Integration: Contains automatic ultrasonic and TEV sensors with other sensors available for certain equipment.
Non-Intrusive Testing: Allows for safe and effective testing without needing to disrupt the system, nor require external high-voltage sources.

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Understanding Partial Discharge Testing: Essential Insights and Techniques

This guide offers insights into the principles underlying partial discharge testing, its sophisticated methods, and its significance across different industries. From a multi-faceted perspective, this document can greatly aid in formulating strategies for safeguarding assets that are electrical in nature.