TUNKIA TE1000-AC-CN EV Charger Energy Standard

TE1000-AC-CN EV Charger Energy Standard

TE1000-AC-CN is a standard instrument for real-time measurement of DC electric energy during the charging process of EVSEs, with power and electric energy accuracy reaching Class 0.05 or 0.1. When used with an electric vehicle as the load, this device can perform metrological verification and electric energy checking on GB/T off-board chargers that comply with the interface specified in GB/T 20234.3-2023.

Model:
TE1000
Brand:
TUNKIA


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TE1000-AC-CN EV Charger Energy Standard (GB/T)

TUNKIA TE1000-AC-CN EV Charger Energy Standard (1).png

(The image is for reference only. The actual product may differ.)

1 Overview

TE1000-AC-CN is a standard instrument for real-time measurement of DC electric energy during the charging process of EVSEs, with power and electric energy accuracy reaching Class 0.05 or 0.1.

When used with an electric vehicle as the load, this device can perform metrological verification and electric energy checking on GB/T off-board chargers that comply with the interface specified in GB/T 20234.3-2023. Compared with traditional solutions, it offers the advantages of being lightweight, portable, easy to operate, and highly efficient in testing.

Benefits

Extremely lightweight, portable and easy to use – meets the requirements for single-person verification, greatly improving testing efficiency.

Wide dynamic range measurement – avoids measurement risks caused by load fluctuations during the dynamic metering process of electric vehicle charging.

Millisecond-level energy refresh rate – reduces errors introduced by voltage and current fluctuations under dynamic loads, improving accumulated energy accuracy.

Power taken from the charging gun – no additional external power supply is required during the test.

Reliable sampling – voltage sampling point is positioned near the gun head to minimize errors caused by line losses.

IP54 protection rating with professional environmental adaptability design – ensures normal operation in various complex environments.

Built-in encryption chip – ensures full data encryption throughout the entire process.

2 Features

Features

AC 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 Electric Energy Metering

Power and energy accuracy: Class 0.05 / Class 0.1
Supports two energy verification methods: pulse method / accumulated energy method
With the pulse method, the electric energy error can be automatically displayed with a resolution of 0.000 1%
With the accumulated energy method, the accumulated energy display has a minimum resolution of 0.000 001 kW·h
ms-level energy refresh rate meets the metering requirements under fluctuating loads during electric vehicle charging
Minimum accumulated energy for guaranteed accuracy: 0.1 kW·h
Supports forward / reverse / total energy metering, and supports V2G mode

Multiple Communication Interfaces

Built-in 4G / Bluetooth / Wi-Fi / satellite timing module, with Type-C interface, offering diverse communication options
Real-time upload of U / I / P / E / time / latitude / longitude and other data

Lightweight And Easy to Use

Shorter than the GB/T standard gun head, weight approx. 1.5 kg
Convenient operation via mobile APP, easy for single-person use

Multiple accessories

Optional precision real-time clock / temperature and humidity meter, supporting clock time error testing and environmental temperature & 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

TUNKIA TE1000-AC-CN EV Charger Energy Standard (GB/T)

Figure 1. Schematic diagram of TE1000 application scenarios

4 Appearance


No.	Name	Description
	Unlock Switch	Pressing the switch after the charging connector is locked disconnects the connection with the EV charging socket
	Housing	Instrument enclosure
	Charging Connector	Vehicle plug compliant with GB/T 20234.2-2015, connects to the electric vehicle
	Cooling Vent	Fan outlet for dissipating heat generated during operation
	Status Indicator Lights	Assist in determining the various operating states of the instrument
	Charging Socket	Vehicle socket compliant with GB/T 20234.2-2015, connects to the EV charger under test
	Power Switch	Power switch with indicator light
	Dust and Rain Cover	Prevents foreign objects and water splashes from entering the instrument interfaces
	Pulse Interface	BNC interface for pulse input and output
	Type-C Port	Used for device charging and data transfer
	4G Card Slot	Supports insertion of a 4G card for remote communication

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
Supports harmonic measurement, harmonic order: 2nd~63rd Harmonic measurement uncertainty (k=2): 0.1%*RG, RMS

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
Supports harmonic measurement, harmonic orders: 2nd~63rd Harmonic measurement uncertainty (k=2): 0.1%*RG, RMS
Note: [1] Automatic range switching across the full range; [2] Parameters are data after self-calibration. Self-calibration must be performed before measurement; [3] Measured values below 1 A are subject to 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 Range 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 electric energy accuracy specifications are guaranteed only when the power factor is within the range of 0.8L~1~0.8C. [5] 1 A / I is the ratio of 1 A to the measured current value.

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)	±1s

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 / Wi-Fi / 4G 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% R·H Storage humidity: <80% R·H, non-condensing
Altitude	< 3000 m
Dimension L×W×H (mm)	193 mm(L) × 130 mm(D) × 130 mm(H)
Dimension L×W×H (mm)
Weight	Approx. 1.5 kg

TE1000-AC-CN EV Charger Energy Standard

1 Overview

2 Features

3 Applications

4 Appearance

5 Specifications

5.1 AC Voltage Measurement (ACV)

5.2 AC Current Measurement (ACI)

5.3 AC Frequency / Phase / Power Factor

5.4 AC Power and Energy ^[4]

5.5 Temperature Measurement (Optional)

5.6 Clock (Optional)

6 General Specification

7 Ordering Information

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TE1000-AC-CN EV Charger Energy Standard

1 Overview

2 Features

3 Applications

4 Appearance

5 Specifications

5.1 AC Voltage Measurement (ACV)

5.2 AC Current Measurement (ACI)

5.3 AC Frequency / Phase / Power Factor

5.4 AC Power and Energy [4]

5.5 Temperature Measurement (Optional)

5.6 Clock (Optional)

6 General Specification

7 Ordering Information

RELATED PRODUCTS

SIGN UP FOR NEWSLETTER

INFORMATION

PRODUCT CATEGORY

CONTACT US

5.4 AC Power and Energy ^[4]