1. Summary

2. Features

1. High accuracy: Using wideband AC/DC direct-current-comparator, compared with the shunt, the thermoelectric potential influence is extremely small and the accuracy is high.
2. DC ripple measurement: Detect AC ripple below 1 kHz.
3. Power waveform display: Real-time charging curve U(t), I(t), P(t), E(t) display and record, etc.
4. Ambient temperature measurement: Built-in temperature sensor for measuring the ambient temperature of the site to correct the working error.
5. Clock verification function: Built-in GPS clock module, real-time clock display, and correct the Beijing time of the charging spot.
6. Integration: Built-in charge control guidance circuit, battery voltage simulator, BMS simulator, CAN message acquisition, waveform acquisition and other modules, no need for additional connection equipment.
7. Data acquisition: Built-in 8-channel high-speed data acquisition module, which can collect parameters and waveforms such as charging spot output voltage, charging current, vehicle battery voltage, CC1, auxiliary power supply, etc., and unify the time base with CAN messages to ensure long-term operation and zero data loss. Built-in CAN communication message acquisition module, can realize CAN bus message acquisition record, and synchronize time with the acquisition of voltage and current and other parameters, to achieve synchronous acquisition of messages and data waveforms;
8. Built-in vehicle control guidance circuit: with DC+, DC-, PE, S+, S-, CC1, CC2, A+, A- and other loop connection lines on-off function and standard BNC interface, to achieve vehicle DC charging interface circuit fault simulation. Built-in R4 resistance simulation module, with resistance adjustment range of 420 Ω ~ 6800 Ω and step of 1 Ω. Each contact is equipped with an on-off switch, which can simulate the on-off state of the contact
9. Insulation resistance simulation: The insulation state simulation of the charger can be completed, the input voltage range is 0 V ~ 800 V, the resistance adjustment range is 10 kΩ ~ 1 MΩ, and the step is 1 kΩ, which is used to simulate the positive and negative insulation faults of the charging spot.
10. Battery simulator: Output voltage 0 V ~ 1000 V, to achieve electric vehicle BMS simulation.
11. High reliability: There are no switches, relays and other mechanical contacts in the current loop, can be overloaded at 2 times the rated current for 5 s.
12. Calibration and verification: With dedicated calibration terminals, the device can be calibrated or verified by two methods, and the TK4960 DC charging electrical energy calibration adapter is optional.
13. High-definition LCD touch color screen.
14. Ethernet, WIFI, USB, CAN-BUS interface and host computer software.
15. Support input of commercial power, built-in lithium battery and EV charger power supply.
16. Equipped with portable instrument box, high seismic and electrical protection level.

4. Instrument Appearance

☆ Instrument Front Panel
S/N	Function description
	DC charging socket, using a dedicated charging connector to connect the inspected charging spot.
	A dedicated interface for voltage calibration.
	Auxiliary test point to transfer the DC charging socket to a conventional instrument terminal.
	Multi-function interface: support photoelectric head, pulse input, pulse output, temperature sensor and other functions.
	Communication interface: including USB and LAN ports.
	A GPS antenna that receives a standard clock signal to correct the time of the AC charging spot under test.
	AC 220V power interface to power the instrument via commercial power
	Built-in large-capacity lithium battery.
	Auxiliary test point to transfer the DC charging socket to a conventional instrument terminal.
	LCD touch color screen, multi-power intuitive display, full touch operation
	Instrument box lever, easy for user to carry the mobile tester.

5. Specifications

5.1 DCV measurement

1. Range: Manual/auto shift
2. Measurement range: 30V~1150 V
3. Ripple uncertainty (k = 2): 0.05%*RG,RMS;bandwidth: ≤ 1 kHz

5.2 DCI measurement

1. Range: Manual/auto shift
2. Measurement range: 0.5 A ~ 300 A
3. Ripple uncertainty (k = 2): 0.05%*RG,RMS;bandwidth: ≤ 1 kHz

5.3 P/E energy Measurement

1. Measuring range of power/energy: Combination of AC voltage and AC current range;
2. Standard electrical energy pulse output: maximum frequency is 60 kHz

1. Standard electrical energy pulse input: maximum frequency is 100 kHz, level: 0 ~ 5V
2. Electrical energy error display: 7-digits decimal display

5.4 Temperature/Clock

6. General Specifications

Power supply mode	EV charger, built-in lithium battery, 220V commercial power
Power supply	AC ( 220 ± 22 ) V, ( 50 ± 2 ) Hz
Max. Power	100 VA
Communication interface	Communicate with the computer: USB, LAN, WIFI; Communicate with the charger and load: CAN-BUS
Temperature performance	Operating temperature: -25°C~55°C; Storage temperature: -30°C~70°C
Humidity Performance	Operating humidity: < 80% @ 30°C, < 70% @ 40°C, < 40% @ 50°C Storage humidity: <80% R·H,  non-condensing.
Altitude	< 3000 m
Weight	About 21 kg
Dimensions	540 mm(W) × 410 mm(D) × 270 mm(H)