2. Features

1. AC harmonic measurement: Harmonics order of 2 to 64 can be detected.
2. Power waveform display: Real-time charging curve U(t), I(t), P(t), E(t) display and record, etc.
3. Ambient temperature measurement: Built-in temperature sensor for measuring the ambient temperature of the site to correct the working error.
4. Clock verification function: Built-in GPS clock module, real-time clock display, and correct the Beijing time of the charging spot.
5. Integration: Built-in measurement module, charge control guidance circuit, waveform acquisition and other modules, can complete all interoperability test items of AC charging spots.
6. Built-in vehicle control guidance circuit: AC charging spot interoperability test can be completed, built-in L1, L2, L3, N, PE, CP, CC circuit on-off switch and CP ground short circuit switch, can realize the vehicle AC charging interface circuit fault simulation function. Built-in vehicle-side R2 resistance, R3 resistance simulation equivalent resistance simulation function, R2 resistance has adjustment range of 500 Ω ~ 6800 Ω, with resistance value online continuously adjustable with adjustment fineness of 1 Ω; R3 equivalent resistance has nominal value of 500Ω ~ 13000Ω, with resistance value online continuously adjustable with adjustment fineness of 1 Ω. Each contact point has an on-off switch, which can simulate the on-off state of the contact point.
7. Waveform acquisition: Built-in 4-channel high-speed waveform acquisition module to ensure long-term operation and zero data loss.
8. PWM signal measurement: Measure the frequency and duty factor of the PWM signal on the CP line in the control guidance circuit and display it in real time.
9. High reliability: No switches, relays and other mechanical contacts in the current loop, can be overloaded at 2 times the rated current for 5 s.
10. Calibration and verification: With dedicated calibration terminals, the device can be calibrated or verified by two methods, and the TK4965 AC charging electrical energy calibration adapter is optional.
11. High-definition LCD touch color screen.
12. Ethernet, WIFI, USB, CAN-BUS interface and host computer software.
13. Support input of commercial power, built-in lithium battery and EV charger power supply.
14. Equipped with portable instrument box, high seismic and electrical protection level.

3. Application

1. Range: Manual/auto shift
2. Measurement range: 30 V ~ 300 V
3. Harmonic measurement uncertainty (k = 2): 0.05% * RG, RMS

1. Range: Manual/auto shift
2. Measurement range: 10 mA ~ 78 A
3. Harmonic measurement uncertainty (k = 2): 0.05% * RG, RMS

1. Frequency range: 45.000 Hz to 65.000 Hz.

1. Phase range: 0.000°~359.999°

5.4 P/E Energy Measurement

1. Measuring range of power/energy: Combination of AC voltage and AC current range;
2. Power factor measurement range: -1.000000…0.000000…1.000000
3. Standard electrical energy pulse output: maximum frequency is 60 kHz

1. Standard electrical energy pulse input: maximum frequency is 100 kHz, level: 0 ~ 5V