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AT-231 Tachometer AT-231.


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Tacho AT-231 (AT231, AT 231, at-231, at231, at 231)
Tachogenerators AT-231, in asynchronous circuits automatic tachogenerators, serve as an information item, the output voltage is linearly dependent on the rotor speed at a constant phase shift between the excitation voltage Uin and the output voltage U out.
The device is an electric car with a hollow non-magnetic rotor.
Tacho AT-231 single-phase asynchronous with the hollow non-magnetic rotor.
On the output shaft end of the terminal block is a stroboscopic disc.
Mount tachometer - in the case.
Mode of operation - continuous.
Technical characteristics of the devices tachogenerators AT-231:
Excitation Voltage - 110V;
The frequency of the excitation voltage - 500 Hz;
Excitation current instrument tacho AT-231 - 0.29 A;
Rated speed - 4000ob/min;
The steepness of the output characteristic - 5.5 mV / V / min;
Nonlinearity of the output voltage - 0.1%;
Residual EDS instrument tacho AT-231 - 25mV, 75mV;
Temperature coefficient of output voltage - 0,006% / º C;
Static friction torque - 4,9 ∙ 10 -4 N ∙ m;
Vibration loads:
- Frequency range - 35Hz-1Hz;
- Acceleration - 15m / s 2;
Shock - 70 m / s 2;
Ambient temperature - -40 ° C to +60 º C;
Relative humidity at 20 ° C - 98%;
Warranty life instrument tacho AT-231 - 250 0 hours;
Dimensions instrument:
- Case diameter - 74mm;
- The length of the output shaft ends - 125mm;
Unit weight tacho AT-231 - 2.2 kg;
The manufacturer guarantees the quality of the instrument AT-231 tacho technical requirements specifications subject to user terms and conditions of storage, transportation, installation, operation, established specifications and operational documentation.