| 摘要 |
FIELD: instrument making. ^ SUBSTANCE: sensor-metre comprises semiconductor converter, current-limiting loading resistor, generator of pulse voltage of converter supply, digital metre of peak voltages of pulses, digital device to memorise coordinates of calibration characteristic of converter, digital indicator of measured physical value. Feature of this sensor-metre is the fact that converter of physical value is arranged in the form of unit made of two electrically connected converters. Primary converter is made in the form of resistive element sensitive to physical value, secondary converter is arranged in the form of transistor-resistor circuit of S-double-pole device. Generator of pulse voltage is arranged in the form of controlled generator of sawtooth pulses. ^ EFFECT: improved accuracy and reliability of measurement results due to increased stability of calibration characteristic of sensor-metre with expansion of spectrum of measured physical values. ^ 3 dwg |
