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Selsyns, rotary transformers, electric motors >> tachogenerators (AT-, GON, TG-, TGP-, TD-, TP- and others) >> AT

AT-261 Tachometer AT-261.


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Tacho AT-261 (AT261, AT 261, at-261, at261, at 261)
Tachogenerators AT-261, 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-261 single-phase asynchronous with the hollow non-magnetic rotor, plugs hold the screw.
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-261:
Excitation Voltage - 110V;
The frequency of the excitation voltage - 400 Hz;
Excitation current instrument tacho AT-261 - 0.35 A;
Rated speed - 4000ob/min;
The steepness of the output characteristic - 5.3 mV / V / min;
Nonlinearity of output voltage - 1.5%;
Residual EDS instrument tacho AT-261 - 100mV;
Temperature coefficient of output voltage - 0,0087% / º C;
Static friction torque - 9,8 ∙ 10 -4 N ∙ m;
Vibration loads:
- Frequency range - 35Hz-1Hz;
- Acceleration - 15m / s 2;
Shock - 100m / s 2;
Ambient temperature - -40 ° C to +60 º C;
Relative humidity at 20 ° C - 98%;
Warranty life instrument tacho AT-261 - 200 0 hours;
Dimensions instrument:
- Case diameter - 74mm;
- The length of the output shaft ends - 116mm;
Unit weight tacho AT-261 - 1.85 kg;
The manufacturer guarantees the quality of the instrument AT-261 tacho technical requirements specifications subject to user terms and conditions of storage, transportation, installation, operation, established specifications and operational documentation.