Introduction

Ultrasonic sensors (US) are used to receive ultrasonic signals generated by partial discharge. SGCS-II is used for live inspection and fault location of partial discharge of oil-immersed high-voltage electrical equipment. SGCS-IIA is used to receive ultrasonic signals generated by partial discharge of GIS.

product-289-171

Product Paramenters

Frequency Band	20 kHz-300kHz	Mean sensitivity	>50dB
Center Frequency	II40kHz/IIA 80kHz	Output Interface	Standard BNC
Gain	40dB±1dB	Power Supply	12V/40mA DC
Dynamic Range	>80dB	Operating Temperature	-10℃~40℃
Peak Sensitivity	>70dB	Storage Temperature	-20℃~50℃

SGCS-IV Non-Contact Ultrasonic Sensor

Introduction

The non-contact ultrasonic sensor (NCU) detects the ultrasonic waves propagating in the air when partial discharge occurs. It requires a good air transmission path between the discharge source and the sensor. It cannot detect switch cabinets that are well sealed and have no pores or air gaps.

product-221-34

Product Paramenters

Center Frequency	40kHz	Output Interface	Standard BNC
Resolution	0.1μV	Power Supply	12V/40mA DC
Accuracy	±0.1μV	Operating Temperature	-10℃~40℃
Measuring Range	0.5μV～1mV	Storage Temperature	-20℃~50℃

SGCS-II High-Frequency Current Transformer

Introduction

The high-frequency current transformer (HFCT) is clamped onto the grounding wire of high-voltage electrical equipment to detect the pulse current signals generated by partial discharge, thereby obtaining the partial discharge information of the equipment being tested. It is mainly used for partial discharge signal detection in medium and high-voltage equipment such as cables, transformers, reactors, GIS, and switchgear.

Product Paramenters

Frequency Band	1M-30MHz	Resolution	1dB
Transfer Resistance	>5mV/mA(10MHz )	Output Interface	Standard BNC
Output Impedance	50Ω	Power Supply	Passive
Detection Sensitivity	-20dB	Operating Temperature	-10℃~40℃
Measuring Range	-20~80dB	Storage Temperature	-20℃~50℃
Measurement Error	±1dB

SGCS-IV UHF Sensor

Introduction

The use of UHF technology to detect partial discharge has become the development direction of GIS partial discharge detection technology. The UHF ultra-high frequency sensor meets the detection requirements of wide bandwidth, low noise, high sensitivity and large dynamic range, and improves the performance of the UHF partial discharge detection system.

Product Paramenters

Frequency Band	300MHz～1.5GHz	Equivalent Height	>10mm
Output Interface	N-type	Working Environment Temperature	-40℃~80℃
Detection Sensitivity	10pC	Working Relative Humidity	5%～95%, no condensation
Protection Level	IP65	Measuring Range	10pC～10000pC

SGCS-II TEV Sensor

Introduction

The TEV sensor can sense the transient voltage signal on the metal cabinet of the switch cabinet. When using, place the TEV sensor close to the metal cabinet.

Product Paramenters

Output Interface	Standard BNC	Detection Bandwidth	3MHz-100MHz
Power Supply	Passive	Measuring Range	0~60dB
Operating Temperature	-10℃~40℃	Measurement Error	±1dB
Storage Temperature	-20℃~50℃	Resolution	1dB

SGCS-2001 Ultrasonic Wave Concentrator

Introduction

It can double the detection distance and can accurately locate ultrasonic signals scattered at a long distance and increase its sensitivity. It is suitable for detecting gas leaks, electrical discharges, leakage traces and arcs in situations where users cannot approach the equipment.

Product Paramenters

Measurement Gain	16dB	Weight	0.6kg
Center Frequency	40kHz	Operating Temperature	-10℃~40℃
Parabolic Reflector Outer Diameter	140mm	Storage Temperature	-20℃~50℃
Parabolic Reflector Standard Diameter	132mm