TK4860E AC EV Charging Station Testing Device

1. Summary

• The TK4860 series is a series of high-efficiency testing instruments specially developed to address the problems of complex wiring, difficult handling, low testing efficiency, and high cost during the on-site testing of AC charging stations.

• TK4860E is one of the all-in-one portable instruments specially designed for on-site metrological testing of AC charging stations for electric vehicles. It is available in single-phase and three-phase options. Among them, the single-phase TK4860E-S instrument integrates a single-phase 8kW load internally. In addition to the single-phase 8kW load integrated inside the single-phase TK4860E-T instrument, it can also be connected to an external high-power AC resistive load or electric vehicle.

• During testing, the charging stations can be calibrated directly according to the preset calibration points. The instrument is operated through a wireless tablet. A single device can complete the single-phase charging stations working error and clock time error test. It is also easy to carry and can be easily completed by a single person for on-site testing of charging stations.

2. Features

• The single-phase TK4860E-S has a built-in 8 kW single-phase AC load and does need to carry additional loads for testing to complete the testing of single-phase chargers.

• In addition to the built-in 8 kW single-phase AC load, the three-phase TK4860E-T can also be cascaded with three-phase 45kW resistive loads or electric vehicles, and can complete the testing of single-phase chargers or three-phase chargers.

• Wide dynamic range measurement technology avoids measurement risks caused by fluctuations in charging stations output.

• The ms-level energy refresh speed reduces the error caused by the asynchronous accumulation of electric energy between charging stations and standard instruments, and improves the measurement accuracy of accumulated electric energy.

• Integration: A single device integrates the power measurement module, charging control guidance circuit, 8 kW single-phase AC load, etc. A single device can complete the working error testing of the AC charger, effectively improving efficiency;

• Fixed power: The system can preset the charging power and automatically control the start and stop of the charger.

• Waveform distortion measurement: It has the function of measuring voltage and current waveform distortion.

• Clock verification function: real-time clock display, which can complete the clock time error test of the charger.

• Temperature probe: A wired temperature probe is standard, which can complete on-site temperature measurement.

• Bluetooth temperature and humidity meter (optional accessory): An optional Bluetooth temperature and humidity meter can be connected to a tablet via Bluetooth to complete on-site temperature and humidity measurements and automatically record data.

• Traceable calibration: with dedicated calibration terminals to facilitate instrument calibration.

• Wireless tablet operation allows you to save on-site information by taking photos and complete automatic testing.

• With its own display screen, the working error test can be completed directly on the lower computer display screen.

• High reliability: The load uses high-reliability alloy resistors, which support 8 hours of continuous full-load operation. The equipment will not experience abnormalities such as overheating, and the measurement accuracy can be ensured.

• Safety protection: equipped with overvoltage protection, overcurrent protection, abnormal wind speed protection, and emergency stop switch;

• Portable: By fixing the calibration points and loads, the weight and volume of the equipment are minimized. It is also equipped with special retractable pull rods and rollers, so a single person can easily complete on-site inspections.

• Power supply mode: supports three modes: mains power supply, gun head power supply and built-in lithium battery power supply.

3. Application

4. Testing Items

• Working error: A single device can complete the working error test of charger.

• Clock verification: It has time synchronization function, real-time clock display, and clock time error test of the charger.

5. Appearance

Note: The above picture is a schematic diagram of TK4860E-S. TK4860E-T also has an additional load expansion interface.

6. Specification

6.1 TK4860E-S (Single-Phase)

6.1.1 Single-Phase Voltage/Current

Measurement		Accuracy Class
		Class 0.05	Class 0.1
Voltage	Range	220 V	220 V
	Measurement Range	220 V ± 20%	220 V ± 20%
Current	Range	30 A	30 A
	Measurement Range	0.1 A～36 A	0.1 A～36 A
Waveform Distortion	Measurement Uncertainty (k=2)	0.5%	0.5%

6.1.2 Single Phase Power/Energy Measurement

Voltage Range	Current Range	Power Factor	Measurement Uncertainty (k=2)
			Class 0.05	Class 0.1
220 V ± 20%	0.1 A～36 A	0.8L~1~0.8C	0.05%*RD	0.1%*RD

6.1.3 Load

Load	Load Power	Single phase 8kW, does not support load expansion
	Heat Dissipation	Forced air cooling
	Protection	Overvoltage protection, overcurrent protection, abnormal wind speed protection

6.2 TK4860E-T (Three-phase)

6.2.1 Three-Phase Voltage/Current

Measurement		Accuracy Class
		Class 0.05	Class 0.1
Three-Phase Voltage	Range	220 V	220 V
	Measurement Range	220 V ± 20% (phase voltage)	220 V ± 20% (phase voltage)
Three-Phase Current	Range	60 A	60 A
	Measurement Range	0.1 A～72 A	0.1 A～72 A
Waveform Distortion	Measurement Uncertainty (k=2)	0.5%	0.5%

6.2.2 Three-Phase Power/Energy Measurement

Voltage Range	Current Range	Power Factor	Measurement Uncertainty (k=2)
			Class 0.05	Class 0.05
220 V ± 20%	0.1 A～72 A	0.8L~1~0.8C	0.05%*RD	0.1%*RD

6.2.3 Load

Load	Load Power	Single phase 8kW.
	Load Expansion	Supports cascaded three-phase 45kW resistive loads or electric vehicles
	Heat Dissipation	Forced air cooling
	Protection	Overvoltage protection, overcurrent protection, abnormal wind speed protection

6.3 Clock

Clock Function	Timing Method	Satellite timing
	Measurement Uncertainty (k=2)	1s/d

6.4 Temperature (Wired Temperature Probe)

Temperature	Measurement Range	-30℃～60℃
	Maximum Allowable Error	0.5℃
Note: A Bluetooth temperature and humidity meter can be optionally equipped, please see the optional accessories list for details.

7. General Specification

Power Supply	There are three power supply modes available: charging gun head, built-in lithium battery, and 220V mains power.
power Input	AC ( 220 ± 22 ) V, ( 50 ± 2 ) Hz
Communication Method	USB, LAN, WIFI, Bluetooth
Temperature Performance	Working temperature: -25°C~55°C; Storage temperature: -30°C~70°C
Humidity Performance	Working humidity: < 80% @ 30°C, < 70% @ 40°C, < 40% @ 50°C Storage humidity: <80% R H, no condensation
Size and Weight	TK4860E-S	TK4860E-T
	• 330(W) * 305(D) * 460(H) • Approx 16kg	• 330(W) * 305(D) * 460(H) • Approx 18kg

8. Ordering Information

9. Accessory List

S/N	Pic	Name	Specification	Qty	Note
1		Handheld Bluetooth Thermohygrometer	• Temperature measurement range: -30℃~60℃, maximum allowable error: 0.5℃ • Humidity measurement range: 0%~100%RH, maximum allowable error: 5% • Powered by large-capacity lithium battery. • The built-in Bluetooth communication module can wirelessly transmit temperature and humidity measurement data to the host through Bluetooth communication, eliminating the need for users to manually enter data.	1	Optional
Note: The above accessories need to be purchased separately and specified in the order contract.

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