Catalog No. TS200 - Electric Vehicle Test Systems (EVSE)

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EVSE Equipment

TESCO’s Test System 200 tests AC Level 1 and Level 2 systems up to 50 amps maximum current.

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TESCO has more than 110 years of experience in designing and building devices to test the accuracy of electrical measurement devices for the utility industry. From that knowledge and expertise, TESCO has developed a means to check the accuracy and calibration of Electric Vehicle Chargers with Electric Vehicle Test Systems.

TESCO’s family of Electric Vehicle Service Equipment (EVSE) Testers provide complete test capabilities for EVSE systems conforming to J1772_201602. Fully compliant with Handbook 44 provisions, they test the accuracy of energy delivered using a transactional model. Full communication signal analysis and safety checking of the EVSE connection is provided.

Tests energy delivery accuracy using a transactional model compatible with Handbook 44. For complete freedom and test automation use a Test System 200 (Catalog No. TS200). Any J1772 compatible EV can also be used as the test load by using an optional cable. The Proximity and Pilot Control signal exchanges are fully verified for compliance with J1772. The EVSE’s GFCI can also be tested.


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  • Safe and easy to use
  • Provides full load emulation of electric vehicle behavior for the EVSE
  • Completes the Pilot Control Signal Network
  • Provides Proximity Detection Circuit
  • Three models available to suit all budges and testing needs
  • Displays charging state based on SAE J1772 Standard and load mode information


AC Capability
Voltage: 90 to 264 VAC
Current: 0 to 50 Amps
Voltage: 0.04% of reading
Current: 0.04% of reading ± 0.005 Amp
Active Energy: 0.08% of reading ± 0.002 Wh
Apparent Energy: 0.08% of reading ± 0.002 VAh
CP Signal: Freq ± 1Hz, Duty Cycle ± 0.5%, Wave form amplitude ± 0.3%
100 BaseT with support for Web Services, Remote Control, Database Access.
2x USBA with support for Device, External Memory Storage, WiFi, Keyboard, Mouse.
Integrated GPS system provides location information for automatic determination of test site and database access.
Provision is provided to test the GFCI functionality of the EVSE.
RS 232
Legacy port for specialized test configurations.
Prog Load Interface
Provides communications and power to any of our EV Load Emulators.
4800 mAHr Lilon Battery Pack
provides power at system startup and during fault testing. The device automatically recharges during testing operations. Unit can also be plugged directly into a standard AC outlet for recharging. Under normal use, system can operate for a full shift, starting at full charge.
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