The TH0780 is a high-precision power frequency voltage converter equipped with a built-in multi-range precision voltage transformer. It converts high power-frequency voltage into a stable 1V output signal, making it ideal for voltage measurement, calibration laboratories, metrology research, and power instrumentation verification. With excellent ratio accuracy, stability, and noise performance, the TH0780 ensures reliable traceability of voltage standards in professional calibration environments.
Specifications
Primary Nominal Input Voltage
Secondary Output Voltage
Uncertainty (k=2)
60 V
1 V
5 ppm
120 V
1 V
5 ppm
240 V
1 V
5 ppm
480 V
1 V
5 ppm
General Specifications
Power Supply
AC ( 220 ± 22 ) V, ( 50 ± 2 ) Hz
Working Environment
0 °C ~ 40 °C, 20% ~ 80% R·H (No condensation)
Storage Environment
-10 °C ~ 50 °C, 10% ~ 90% R·H (No condensation)
Dimensions
483 mm (W) × 400 mm (D) × 177.8 mm (H) (Without handle)
Weight
Approx. 23.5 kg
Communication Interface
RS232 × 1, USB × 1, LAN × 1
Key Features
High-precision voltage conversion up to 480 V to 1 V output ratio
Wide multi-range input support for multiple calibration scenarios
