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. Measures closing and opening times, synchronization, bounce time, number of operations, automatic reclosing, travel, speed, current, operating voltage, and other data and waveforms.
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-provided traditional 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. High-speed sampling at 100kHz, with a test duration of up to 9.9 seconds.
Operating Power Supply: Built-in isolated potentiometer manual DC power supply with short-circuit protection, adjustable voltage, capable of commanding various closing, opening, and reclosing operations and operating voltage tests.
Synchronous Trigger: Responds to multiple synchronous trigger modes including voltage, current, sensor, and contact changes.
User Interface: 5.7″ black and white LCD screen, menu-driven operation, with shortcut setting keys added on the front panel.
Speed Definition: Provides two modes: a common switch speed definition library and an editable speed definition library for user selection.
Waveform Recording: 12 channels for ordinary metal contact on/off, coil current; travel and time waveforms.
Waveform Printing: Built-in 58mm high-speed thermal printer, mounted on the top panel, providing clear printing of data forms and waveform diagrams.
Data Communication: Supports RS232 or USB communication, with PC management software for uploading and testing data and waveform diagrams.
SD Card Storage: Large capacity SD card for fast storage and retrieval of records, accommodating up to 100 test data and waveform records.
USB Drive Storage: Allows quick storage of data and waveform files to a USB drive, directly openable with host computer software.
Online Help: The instrument includes comprehensive built-in help for wiring, installation, and test operations, making it easy to use without a manual.
Product Selection: Standard Edition: 0.1ms (time resolution)
High Precision Edition: 0.01ms (time resolution)
II. Technical Specifications:
Test Channels: Time contacts: 12 channels at 25V, current limited to 50mA
Displacement Sensor: 1 channel
Time Test: Range: 0~9.9s
Error: ±0.1% of reading ±2 digits
Resolution: 0.1ms (0.01ms for High Precision Edition)
Travel Test: Range: 0~1000mm
Accuracy: ±1% of reading ±1 digit
Resolution: 0.1mm
Speed Characteristics: Range: 0.01~20.00m/s
Accuracy: ±1% of reading ±1 digit
Resolution: 0.01m/s
Graphical Display: Values for each channel at 0.1ms (0.01ms for High Precision Edition)
DC Power Supply: Adjustment Range: 15~260V
Maximum Instantaneous Current: 20A
Accuracy: ±1% of 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 chassis: 380×262×150mm, weight 7kg
ABS chassis: 415×319×168 mm, weight 6.7kg
Operating Environment: Ambient Temperature: -10℃~50℃
Relative Humidity: ≤80% RH
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 enclosure)



