TUNKIA TH1950 is a professional-grade solution dedicated to the testing and calibration of AC EV Charging Stations. It combines high-precision measurement with advanced protocol simulation to ensure chargers meet rigorous safety and performance standards.
Key Capabilities:
High Precision: Measures Voltage, Current, Power, and Energy with exceptional accuracy (Accuracy Class 0.05 or 0.1), qualifying it as a laboratory standard instrument.
Protocol Simulation: Simulates Electric Vehicle behavior via Control Pilot (CP) and Proximity Interlock (RC) signals to verify compliance with IEC 61851-1 standards.
Signal Analysis: Features a built-in Oscilloscope to analyze CP signal waveforms, including Voltage, Duty Cycle, and Frequency, for detecting communication anomalies.
Safety Testing: Performs essential safety checks, including Short Circuit protection and Residual Current Device (RCD) testing, to ensure user safety.
Rugged Design: Housed in a durable Hard Case designed for field testing, featuring a large, real-time touchscreen display.
Technical Specifications & Performance:
| Measurement Range | DCV : 200 mV ~ 1000 V |
| ACV: 2 mV ~ 1000 V | 10 Hz ~ 1 MHz | |
| Resistance: 0 Ω ~ 100 MΩ | |
| DCI: 200 μA ~ 2 A | |
| ACI: 200 μA ~ 2 A | 10 Hz ~ 10 kHz | |
| AC Frequency: 10 Hz ~ 1 MHz | |
| Accuracy | DCV: 200 mV – 1000 V ±(0.3 + 0.3) ~ (0.5 + 200) | (ppm*Output + μV) |
| ACV: 2 mV – 1000 V | 10 Hz ~ 1 MHz ±(0.3 + 0.3) ~ (0.5 + 200) | (ppm*Output + μV) |
|
| Resistance: 0 Ω ~ 100 MΩ ±(10 ~ 100) ppm |
|
| DCI: 200 μA ~ 2 A ±(40 + 6) ~ (80 + 12000) | (ppm*Output + nA) |
|
| ACI: 200 μA ~ 2 A | 10 Hz ~ 10 kHz ±(250 + 16) ~ (7000 + 160000) | (ppm*Output + nA) |
|
| AC Frequency: 10 Hz ~ 1 MHz ±0.005% |
|
| Readings | – |
| Logging Rate | – |
| Battery | Mains Powered Option |
| Calibration Certificate | Available Separately |



