The Tegam DT72B is a high-accuracy inductive voltage divider designed for laboratory and calibration environments requiring ultra-stable AC ratio measurements. With exceptional resolution, low linearity error, and NIST-traceable ratio accuracy, it is ideal for calibrating voltage dividers, transformer standards, synchro/resolver equipment, and precision measurement instruments.
Ultra-fine resolution: 0.1 ppm
Terminal linearity: 0.9 ppm for exceptional measurement consistency
Wide bandwidth: 50 Hz to 20 kHz
Large ratio range: –0.0111111 to +1.1111110
Parallel switching design minimizes contact resistance
Switch resistors virtually eliminate transient effects
NIST-traceable ratio accuracy for assured calibration performance
1-year warranty
Assembled in the USA
Provides excellent performance as a precision AC ratio transformer standard
High stability and accuracy make it ideal for calibrating other AC ratio transformers and metrology equipment
Suitable for impedance and capacitance comparison applications
Basic Accuracy / Linearity: 0.00009%
Frequency Range: 50 Hz to 20 kHz
Ratio Range: –0.0111111 to +1.1111110
Resolution: 1 × 10 { w