Tunkia TK4850E Advanced Portable EV Charger Testing Device

Customization:	Available
After-sales Service:	Life Time
Warranty:	12 Months Excellent for Service

Basic Information

Model NO.

TK4850E

Application

EV charger testing

Power

Electricity

LCD Display

With LCD Display

DCV Measurement

200V ~ 1000V

DCI Measurement

1A ~ 250A

Accuracy

Class 0.05; Class 0.1

Built-in Load

8kW

Weight

22kg

Origin

China

Product Description

TK4850E DC EV Charging Station Testing Device

The TK4850 series consists of high-efficiency testing instruments specifically developed to address complex wiring, low testing efficiency, and high costs associated with on-site testing of off-board chargers. The TK4850E is an all-in-one portable instrument designed for on-site verification, integrating a small DC load and supporting wireless tablet operation.

Main Features

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Built-in 8kW Load: A single device can perform off-board charger tests independently.

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Load Expansion: Supports connection to external high-power loads for enhanced testing capability.

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Vehicle as Load: Supports using new energy vehicles as loads to measure actual charging energy.

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Fast Refresh Speed: Ms-level electric energy refresh improves measurement accuracy.

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Ripple Measurement: Includes functions for measuring both voltage and current ripples.

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Wireless Operation: Operated via a wireless tablet with photo-taking capabilities for site records.

Application & Appearance

Technical Specifications

DC Voltage & Current

Measurement	Range	Accuracy Class
Measurement	Range	Class 0.05	Class 0.1
Voltage	200V ~ 1000V	0.05%	0.1%
Current	1A ~ 250A	0.05%	0.1%
Ripple (valid value)	≤ 1 kHz	0.05%*RG	0.1%*RG

General Specifications

Power Supply	Electric gun head, built-in lithium battery, or 220V mains power.
Communication	USB, LAN, WIFI, Bluetooth
Working Temp.	-25°C ~ 55°C
Size	330(W) * 315(D) * 468(H) mm
Weight	Approx. 22kg

Ordering Information

Frequently Asked Questions

What is the main application of the TK4850E?

The TK4850E is primarily used for on-site testing and verification of electric vehicle off-board chargers (DC charging stations).

Does the device include its own load?

Yes, it features a built-in 8kW DC load, allowing for basic verification without external equipment. It also supports load expansion for higher power requirements.

How portable is the testing device?

The device weighs approximately 22kg and is equipped with retractable pull rods and rollers, making it easy for a single person to handle on-site.

What are the power supply modes for this instrument?

It supports three modes: mains input (220V), power from the charging gun head, and a built-in lithium battery.

What measurement accuracy does the TK4850E offer?

The device is available in two accuracy classes: Class 0.05 and Class 0.1, ensuring high precision for voltage, current, and energy measurement.

Can it measure voltage and current ripple?

Yes, the device includes a ripple measurement function with a bandwidth up to 1 kHz.