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AT-3 Tachometer AT-3.

AT-3

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Tacho AT-3 (AT3, AT 3, at-3, at3, at 3)
 
Tachogenerators AT-3, 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-3 phase asynchronous with the hollow non-magnetic rotor.
On the stator has two windings: the excitation and the generator.
Mount tachometer - flanged.
Mode of operation - continuous.
 
Technical characteristics of the devices tachogenerators AT-3:
 
Excitation Voltage - 36V, 115V;
The frequency of the excitation voltage instrument tacho AT-3 - 400 Hz;
Rated speed - 4000ob/min;
The steepness of the output characteristic - 0.4 mV / V / min;
Nonlinearity of the output voltage - 0.2%;
Residual EDS instrument tacho AT-3 - 15mV, 30mV,
Load Impedance - 25 ohms;
The variable component of the residual EMF - 5mV;
Vibration loads:
- Frequency range - 10Hz-200Hz;
- Acceleration - 50m / s 2;
Shock - 120m / s 2;
Ambient temperature - -60 ° C to +60 º C;
Relative humidity at 40 ° C - 98%;
Warranty life instrument tacho AT-3 - 30 0 hours;
Dimensions instrument:
- Case diameter - 32mm;
- The length of the output shaft ends - 65mm;
Unit weight tacho AT-3 - 0.25 kg;
The manufacturer guarantees the quality of the instrument AT-3 tacho technical requirements specifications subject to user terms and conditions of storage, transportation, installation, operation, established specifications and operational documentation.


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