TD2650 High Precision AC/DC Standard Meter The TD2650 is a high-precision AC/DC standard measurement instrument designed for laboratories, calibration centers, and high-voltage testing environments. Supporting measurement ranges up to 50 kV DC and 10 kV AC , the TD2650 delivers exceptional accuracy and stability for metrology-grade applications. Available in 0.02 and 0.05 accuracy classes , it is ideal for testing, verifying, or calibrating various high-voltage sources and instruments. This versatile meter supports calibration of: AC/DC high-voltage sources AC/DC high-voltage meters Dielectric withstand testers High-voltage probes Electrical insulation and safety testing equipment Key Features Wide measurement capability: 50 kV DC / 10 kV AC Dual accuracy options: Class 0.02 or Class 0.05 Low temperature drift ensures long-term measurement stability Ideal for calibration labs and high-voltage instrument manufacturers User-friendly interface with RS232 communication support DC Voltage Measurement Specifications Model Range (kV) Accuracy (Class 0.05) Accuracy (Class 0.02) Temperature Coefficient Class 0.05 (ppm/K) Temperature Coefficient Class 0.02 (ppm/K) TD2650-5kV-xxx 1, 2, 5 300 + 200 120 + 80 < 15 < 10 TD2650-10kV-xxx 1, 2, 5, 10 300 + 200 120 + 80 < 15 < 10 TD2650-20kV-xxx 2, 5, 10, 20 300 + 200 120 + 80 < 15 < 10 TD2650-50kV-xxx 5, 10, 20, 50 300 + 200 - < 15 - General Specifications Power Supply AC (220 22)V, (50 2)Hz Operating Temperature 0" ~ 45" Storage Temperature -20" ~ 70" Operating Humidity < 80% @ 30", < 70% @ 40", < 40% @ 50" Storage Humidity 20% ~ 80% R.H (Non-condensing) Interface RS232 Communication Port Dimensions 520 mm (W) 450 mm (D) 205 mm (H) Applications Metrology & calibration laboratories High-voltage equipment manufacturing Electrical testing institutions High-voltage insulation and breakdown testing Power electronics, grid, and HV component validation