TUNKIA TE1000-AC-EU EV Charger Energy Standard

TE1000-AC-EU EV Charger Energy Standard

TE1000-AC-EU is a standard instrument designed for real-time electrical energy measurement during EV charger operation, with power and energy accuracy of Class 0.05 / 0.1. This device, used with an EV as the load, performs metrological verification and energy checks on European-standard AC charging stations with Type 2 interfaces (per IEC 62196-2). Compared with conventional solutions, it offers superior portability, ease of use, and higher testing efficiency.

Model:
TE1000
Brand:
TUNKIA


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1. Overview

TE1000-AC-EU is a standard instrument designed for real-time electrical energy measurement during EV charger operation, with power and energy accuracy of Class 0.05 / 0.1.

This device, used with an EV as the load, performs metrological verification and energy checks on European-standard AC charging stations with Type 2 interfaces (per IEC 62196-2). Compared with conventional solutions, it offers superior portability, ease of use, and higher testing efficiency.

Benefits

Ultra-lightweight and portable design, enabling single-operator verification and significantly improving testing efficiency
Wide dynamic measurement range, minimizing measurement risks caused by load fluctuations during dynamic EV charging
Millisecond-level energy refresh rate, reducing errors introduced by voltage and current fluctuations under dynamic load conditions and improving accumulated energy accuracy
Powered directly from the charging connector, no external power supply required during testing
Reliable sampling: voltage sampling point located close to the charging connector to minimize errors caused by line losses
IP54 protection rating with professional environmental adaptability, ensuring reliable operation in complex working conditions
Built-in encryption chip for full-process data encryption

2. Features

Features

AC Electrical Parameter Measurement
ACV measurement range: 80 V~300 V (per phase);
ACI measurement range: 0.1 A~80 A (per phase)
Best measurement uncertainty (k=2): 0.025%*RD (Class 0.05) / 0.05%*RD (Class 0.1)
Frequency measurement range: 45.000 Hz ~ 65.000 Hz
Phase measurement range: 0.000° ~ 359.999°
Standard Electrical Energy Measurement
Power and energy accuracy: Class 0.05 / Class 0.1
Supports two energy verification methods: Pulse method / Accumulated energy method
Using the pulse method, energy error is automatically displayed with a resolution of 0.000 1%
Using the accumulated energy method, the minimum accumulated energy display resolution reaches 0.000 001 kWh
Millisecond-level energy refresh rate, meeting metering requirements under fluctuating loads during EV charging
Minimum accumulated energy required to ensure specified accuracy: 0.1 kWh
Supports forward energy, reverse energy, and total energy measurement, compatible with V2G mode
Multiple Communication Interfaces
Built-in Bluetooth, and satellite time synchronization modules, equipped with a Type-C interface for versatile communication
Supports real-time upload of U / I / P / E / time / latitude and longitude data
Compact and Easy to Use
Weight: approx. 1.8 kg
Convenient mobile app operation, suitable for single-operator use
Various Accessories
Optional precision real-time clock and temperature & humidity meter
Supports clock timing error testing and ambient temperature and humidity measurement

3. Applications

Applications

Used with new energy vehicles to efficiently perform on-site verification of EV chargers
Conducts operate error testing during charging, with remote automatic upload and encrypted transmission of test data
Supports handling public complaints, on-site law enforcement inspections, and resolution of metering disputes
Assists in EV charger operation and maintenance testing to ensure compliant metering performance
Performs metering performance testing and verification during EV charger R&D and development processes

Figure 1. Schematic diagram of TE1000 application scenarios

5 Specifications

5.1 AC Voltage Measurement (ACV)

Measurement Range	Minimum Resolution	Absolute Measurement Uncertainty (k=2) @ (15~35) °C, 1-year		Temperature Coefficient /°C @ (-25~55) °C
		Class 0.05	Class 0.1
		±( μV/V of reading )@(45~65)Hz
80.000 0 ~ 300.000 0 V	0.1 mV	250	500	10

5.2 AC Current Measurement (ACI)

Measurement Range^[1]	Minimum Resolution	Absolute Measurement Uncertainty (k=2) ^[2] @ (15~35) °C, 1 year		Temperature Coefficient /°C @ (-25~55) °C
		Class 0.05	Class 0.1	Temperature Coefficient /°C @ (-25~55) °C
		±( μA/A of reading )@(45~65)Hz
0.100 000 ~ 1.000 000 A	1 μA	±0.5 mA^[3]	±1 mA	—
1.000 000 ~ 5.000 000 A	1 μA	500	1000	—
5.000 00 ~ 80.000 00 A	10 μA	250	500	10
Note [1]: Automatic range switching Note [2]: The parameters are derived from data after self-calibration. Self-calibration is required prior to measurement. Note [3]: Measurements below 1 A are affected by a fixed range error.

5.3 AC Frequency / Phase / Power Factor

Frequency	Measurement Range	45.000 Hz ~ 65.000 Hz
	Minimum Resolution	0.001 Hz
	Measurement Uncertainty (k=2)	0.01 Hz
Phase	Measurement Range	0.000°~359.999°
	Minimum Resolution	0.001°
	Measurement Uncertainty (k=2)	0.025°
Power Factor	Measurement Range	-1.000000 ~ 0 ~ 1.000000
Power Factor	Measurement Uncertainty (k=2)	0.1% of reading @ 0.8L~1~0.8C

5.4 AC Power and Energy ^[4]

Voltage U	Current I	Absolute Measurement Uncertainty (k=2) @ (15~35) °C, 1-year		Temperature Coefficient /°C @ (-25~55) °C
		Class 0.05	Class 0.1
		±( μW/VA of reading ) @(45~65)Hz
80 V ≤ U ≤ 300 V	0.1 A ≤ I ≤ 1 A	1000 ×1 A / I ^[5]	2000 × 1 A / I	—
	1 A ≤ I ≤ 5 A	1000	2000	—
	5 A < I ≤ 80 A	500	1000	20
Supports testing using both pulse method and accumulated energy method Standard energy pulse output: High-frequency full-scale corresponds to 60 kHz; low-frequency full-scale corresponds to 6 Hz Standard energy pulse input: Frequency ≤ 200 kHz, voltage: 0…3.3 V…24 V Pulse method: Automatically displays energy error with a resolution of 0.000 1% Accumulated energy display: Minimum resolution reaches 0.000 001 kWh
Note [4]: AC energy accuracy is specified only for power factors in the range of 0.8L ~ 1 ~ 0.8C. Note [5]: 1 A / I denotes the ratio of 1 ampere to the measured current.

5.5 Temperature Measurement (Optional)

Temperature	Measurement Range	-30 °C～60 °C
Temperature	Maximum Permissible Error	0.5 °C

5.6 Clock (Optional)

Clock Function	Time Synchronization Method	Satellite timing
Clock Function	Measurement Uncertainty (k=2)	±1 s

6. General Specification

Power Supply	Primarily powered via the charging connector, supporting offline operation; can be charged via Type-C when not in use
Power Source	Connector power supply: Uses different standard charging connectors depending on the version Wired charging: DC 5 ~ 20 V via Type-C
Communication Interface	Wireless: Bluetooth Wired: Type-C x 1
Temperature Performance	Operating temperature: -25 °C — 55 °C Storage temperature: -30 °C — 70 °C Calibration temperature: (Tcal = 23 ± 2 °C)
Humidity Performance	Operating humidity: < 100% RH Storage humidity: < 80% R H, non-condensing.
Altitude	< 3000 m
Dimension L×W×H (mm)	201 mm(L) × 152 mm(D) × 145 mm(H)
Dimension L×W×H (mm)
Weight	Approx. 1.8kg

7. Ordering Information

TE1000-DC-EU EV Charger Energy Standard

TE1100 AC&DC-EU EVSE Tester

TK4830 Portable Tester for AC DC EV Chargers

TD1320 Portable Tester for DC EV Chargers

TD1330 Portable Tester for AC EV Chargers

No.	Name	Description
1	Housing	Instrument enclosure
2	Charging Connector	Type2 vehicle connector – connects to the EV
3	Cooling Vent	Fan outlet for dissipating heat generated during operation
4	Charging Socket	Type2 vehicle socket – connects to the charger under test
5	Charging Socket Cover	Prevents foreign objects from entering the socket
6	Power Switch	Power switch with indicator light
7	Status Indicator Lights	Assist in determining the various operating states of the instrument
8	Dust and Rain Cover	Prevents foreign objects and water splashes from entering the instrument interfaces
9	Pulse Interface	BNC interface for pulse input and output
10	Type-C Port	Used for device charging and data transfer
11	4G Card Slot	Reserved function

TE1000-AC-EU EV Charger Energy Standard

1. Overview

2. Features

3. Applications

4. Appearance