TK4830 Portable Tester for AC DC EV Chargers

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The TUNKIA TK4830 is a high-precision AC & DC integrated EVSE verification device designed for testing and validating modern electric vehicle charging stations. With Class 0.1 accuracy for both AC and DC energy measurement, the TK4830 ensures reliable evaluation of EV charger performance across voltage, current, power, energy, clock time, and temperature parameters.

Its advanced measurement capabilities allow it to perform working error tests and clock error tests for AC and DC EVSE, making it an essential tool for metrology institutions, EV charger manufacturers, field testers, and power utilities. Compact, portable, and engineered for multi-scenario use, the TK4830 delivers accuracy, efficiency, and stability for next-generation EVSE validation.

Parameter	Specification
DC Measurement Function
DC Voltage Range	30 V ~ 1150 V
DC Voltage Uncertainty (k=2)	0.05% * RD
DC Current Range	1 A ~ 300 A [1]
DC Current Uncertainty (k=2)	5 A ≤ I ≤ 300 A : 0.05% * RD 1 A ≤ I < 5 A : 0.1% * RD
DC Power/Energy Uncertainty (k=2)	5 A ≤ I ≤ 300 A : 0.1% * RD 1 A ≤ I < 5 A : 0.15% * RD
AC Measurement Function
AC Voltage Range	30 V ~ 300 V (Phase Voltage)
AC Voltage Uncertainty (k=2)	0.05% * RD
AC Current Range	Three-phase 0.1 A ~ 80 A [1]
AC Current Uncertainty (k=2)	0.05% * RD
AC Power/Energy Uncertainty (k=2)	0.1% * RD
Clock Function
Timing Mode	GPS Clock Timing
Time Error	≤ 1 s
Temperature Function
Temperature Range	-30â ~ 60â
Maximum Permissible Error	0.5â

Key Features

Integrated AC & DC EVSE verification in a portable device
High-precision Class 0.1 accuracy for AC/DC energy measurement
Wide DC voltage range up to 1150 V suitable for fast-charging systems
DC current measurement up to 300 A for high-power EV chargers
Accurate AC three-phase current measurement from 0.1 A to 80 A
GPS-based clock timing with ≤1s time error
Supports full charger evaluation: voltage, current, energy, power, and timing
Temperature measurement from -30â to 60â with 0.5â error
Portable, rugged, and ideal for field inspections and lab verification
Suitable for EVSE manufacturers, grid companies, testing agencies, and service engineers

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ONsys Technologies OPC Pvt Ltd was established in 2019 and has emerged as Indias preferred and leading supplier of precision test and measurement instrumentation, automated test systems, intelligent manufacturing systems, and test and automation turnkey solutions.Serve the increasing demand of Electronics and Electrical Test & Measurement equipment and customers application-based customized solutions of Indias rapidly growing Electronics Manufacturing industries. We supply, design, assemble, develop, and manufacture testing equipment, Automated Test Equipment (ATEs), Test Zig, and Test Benches as per requirement with highest global standards. To do this, ONsys invests heavily in sourcing, research, and development in order to offer great products with precision, reliability, and useful innovative test and measurement solutions for the technology industry.

TK4830 Portable Tester for AC DC EV Chargers

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