Purpose of the development: To reproduce the loss-tangent during verification (calibration) of single-valued and many-valued measures of the loss tangent of the 1st digit.

Recommended application field: In metrologists. Tests of electric machines. In various branches of the economy as a means of measurement.

Technical characteristic: Operating frequencies, kHz - 1, 10, 100. The error in setting the value of tg at a frequency of 1 kHz <= 0.00002. The range of capacitance values is from 100 pF, 1000 pF and 10,000 pF. The range of reproduction of the loss tangent is 0.00002 ... 1. The limit of acceptable error of capacity reproduction at a frequency of 1 kHz is not more than + -0.1%. The limit of the allowed absolute error of reproduction tg at a frequency of 1 kHz - no more than + - (0,001 Tg + 0,00002). Store power - from internal network unit. Power consumption - no more than 10 VA. The time for setting the working mode of the magazine under normal conditions of use is no more than 0.5 hours from the moment of switching on. Continuous operation time - unlimited. Store connection - four-pair. Control modes - manual, using the keyboard or through the serial interface (RS232). Mean time between failures, h - not less than 10000. Total average service life, years - not less than 6. Store weight, kg - no more than 5. Dimensions, mm - 310х290х130.

Advantages over analogues: Manual or remote reproduction of the loss angle tangent when verifying (grading) the exemplary 1-st digit of single-valued and multivalued measures of the loss-tangent and for checking the model 1st-rank AC bridges by direct measurements at a capacitance of 100-10000 pF.

The development stage readiness: Ready for application

Description of the development:
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The store reproduces the tangent of the loss angle (tg) according to the specified values of the capacitance (C) and the active resistance (R) and provides the output of parameters to the liquid crystal display.

corresponds technical description
Ready for implementation

Possibility of transfer abroad:
Combinated reduction to industrial level

Photo

Country Ukraine

For additional information turn to:
E-mail: gal@uintei.kiev.ua