• AC line insulator string voltage distribution measurement sheet 

• Accuracy SF6 Leak Detector 

• Anti-Jamming Dielectric Loss 

• automated measurement 

• automatic capacitance bridge tester 

• automatic impulse experiment 

• automatic transformer 

• boots Pressure test device 

• certification electrical voltage tester 

• Changing Switch of Transformer Tester 

• Complete Set of Impulse VoltageTesting Bed 

• Comprehensive Digital Three-phase Shifter 

• conduction meter 

• Controlling system of measuring automatic power 

• Current Transformer Field Test Instrument 

• digital frequency peak voltmeter 

• Direct current transformer test set 

• Discharge Detecting Analytic System 

• Discharge Detecting Analytic System 

• Distributed On-line Detecting System 

• Electric Power Source Generator 

• Electricity Harmonic Measuring Instrument Analysis Meter 

• equipment of testing transformer 

• Fast DC Resistance Tester 

• Frequency Differential Relay Tester 

• frequency line parameter tester 

• gas pressure release valve auto relay tester 

• General Secondary Voltage-Drop Automatic Detector 

• Generator Rotor AC Impedance Testing Instrument 

• Grounding Resistance for Earthing Grid 

• Grounding Resistance with Double Jaw 

• high pressure phase detector 

• High Voltage Generator 

• high-pressure electroscope 

• High-voltage Guard Equipment for Prison Grid 

• high-voltage transformer 

• HRJDT voltage monitor recorder 

• immersed Transformer High-voltage Tester 

• Impulse Current Generator Test Device 

• impulse voltage 

• impulse voltage generator automatic testing device 

• Industrial Frequency Phase Meter 

• instrument transformer load box 

• Instruments for the Impulse Current Generator 

• Insulation Oil Dielectric Strength Tester 

• insulator Insulation Resistance Tester 

• integration of precise oil volume resistivity Dielectric Loss Tester 

• Intelligent Calibrator for Transformer 

• Intelligent Density Relay Calibrator 

• Intelligent Digital High Pressure Gauge 

• Intelligent Tester of Electric Parameter 

• intelligent transformer calibration 

• Lightning Arrester Teste 

• lightning impulse voltage divider 

• lightning impulse voltage generator automatic test system devices 

• load capacity analysis Tester 

• Loop (Contacting) Resistance Tester 

• low voltage switch cabinet power test 

• measurement and control system 

• Mechanical Features Tester 

• Microcomputer Relay Protection Tester 

• Microcomputer-Typed Detector 

• Minim Water Admeasuring Apparatus 

• Multifunctional Testing Instrument 

• Oil Gas Chromatographic Analyzer Technical 

• Portable Adjustable Current Amplifier 

• Portable On-line Detecting System 

• Potable Relay Protection Tester 

• Power Frequency Signal Generator 

• Power Transformer Loss 

• Power Transformer Winding Characteristic Tester 

• Precision Standard current transformer 

• Precision Standard voltage transformer 

• program-controlled high-precision three-phase power supply 

• Resonance Withstand Equipment 

• Series High voltage Tester 

• Series of Electrical Plunger Voltage Regulator 

• Series of Megohm-meter 

• Series of Portable 0.1HZ Digital Very-low-Frequency High Voltage Tester 

• Series of Resonance High-voltage Tester 

• series rain environmental test chamber (artificial climate laboratory) equipment system simulation device 

• Series resonant frequency exchange of high-voltage pressure test equipment pressure 

• Series Vacuum Oil-filter 

• simulation-type transformer 

• Special Dry-type Tester of High-voltage Transformer 

• Stable Voltage Power Supply 

• Standard Accurate Voltage (Current) Transforme 

• Standard lightning impulse voltage pulse calibration test system devices 

• Switching Wave Test Generator 

• Testing Alarming and Analyzing Instruments of Electric Harmonic 

• Testing bed for impulse voltage 

• thunder and lightning impulse voltage generator 

• Transformation Ratio Test Equipment 

• Transformer and Rectifying Transformer 

• transformer capacity parameter measuring instrument 

• transformer no-load load characteristic tester 

• Transmission Line Fault Distance Tester 

• Type Electrical Specification Comprehensive Test-bed for Transformer 

• type Fast Zinc Oxide Tester of Lightning Arrester 

• Type Impulse Peak-Voltmeter 

• Type Portable Cable Fault Locator 

• Ultrasonic Automatic Positioning Device 

• Vacuum Switch Measuring Instrument