Test indicators: Capable of testing various domestic (imported) vacuum, SF6, oil high-voltage circuit breakers, load switches, GIS grounding knife switches, contactors, relays, air switches, etc. Data and waveforms for closing/opening time, synchronization, bounce time, count, auto-reclosing, travel, speed, current, operating voltage, etc.



Anti-interference channel: Can withstand on-site electrostatic interference from 550KV substations!



Displacement channel: 1 displacement signal acquisition channel, compatible with durable precision resistive linear displacement and angular displacement sensors. Also compatible with user's traditional self-configured slide wire resistance sensors.



Precision testing: Developed strictly in accordance with Part 3 of the General Technical Conditions for High Voltage Test Equipment of the People's Republic of China Power Industry Standard: High Voltage Switch Comprehensive Tester DL/T846.3—2004. 100kHz high-speed sampling, test duration up to 9.9s.



Operating power supply: Built-in isolated potentiometer manual DC power supply with short-circuit protection, adjustable voltage, capable of commanding various closing, opening, reclosing operations and operating voltage tests.



Synchronous triggering: Responds to multiple synchronous trigger modes including voltage, current, sensor, and contact changes.



Operating interface: 5.7″ black and white LCD screen, menu-based operation, with shortcut setting buttons added on the panel.



Speed definition: Provides two modes: a common switch speed definition library and an editable speed definition library for users to choose from.



Waveform recording: 12 channels of ordinary metal contact on/off, coil current; travel and time waveforms.



Waveform printing: Built-in 58mm high-speed thermal printer, installed on the top panel, with clear printing of data forms and waveform diagrams.



Data communication: RS232 or USB communication available, PC management software enables uploading and testing of data and waveform diagrams.



SD card storage: Large capacity SD card for fast storage and opening of records, accommodating up to 100 test data and waveform records.



U-disk storage: Data and waveform files can be quickly stored to a U-disk and directly opened with host computer software.



Online help: The instrument has built-in comprehensive wiring, installation, and test operation help. Easy to use without a manual.



Product selection: Standard version: 0.1ms (time resolution)



          High precision version: 0.01ms (time resolution)



2. Technical specifications:



Test channels: Time contacts: 12 channels of metal contacts 25V, current limited to 50mA



Displacement sensor: 1 channel



Time test: Range: 0~9.9s



Error: ±0.1% reading ±2 digits



Resolution: 0.1ms (0.01ms for high precision version)



Travel test: Range: 0~1000mm



Accuracy: ±1% reading ±1 digit



Resolution: 0.1mm



Speed characteristics: Range: 0.01~20.00m/s



Accuracy: ±1% reading ±1 digit 



Resolution: 0.01m/s



Graph display: Values for each channel at 0.1ms (0.01ms for high precision version)



DC power supply: Adjustment range: 15~260V



Maximum instantaneous current: 20A



Accuracy: ±1% reading ±1 digit



Load variation rate: ≤1%



Synchronous trigger: Voltage: 15~260V



Current: 0.1-20A



Sensor: Displacement change



Contact: Signal transition



Structure: Type: Top-opening portable



Dimensions and weight:



Iron main case: 380×262×150mm, weight 7kg



ABS case: 415×319×168 mm, weight 6.7kg



Operating environment: Ambient temperature: -10℃~50℃



Relative humidity: ≤80% RH



Working power supply: Voltage: AC 220V±10%



Frequency: 50Hz±10%



Safety performance: Insulation resistance: >2MΩ



Leakage current: <3.5mA



Dielectric strength: AC 1500V 50Hz, 1min (power input to casing)