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

AT-3A Tachometer AT-3A.


It is possible effectively delivery of any quantity.
Tacho AT-3A (AT3A, AT 3 A, AT-3-A, at-3a, AT 3A, AT3-A, AT3 A, at3a, at 3 a, at-3-a, at 3a, at3 a, at3-a)
Tachogenerators AT-3A, 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-3A single-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-3A:
Excitation Voltage - 115V;
The frequency of the excitation voltage instrument tacho AT-3A - 400Hz;
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-3A - 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-3A - 30 0 hours;
Dimensions instrument:
- Case diameter - 32mm;
- The length of the output shaft ends - 65mm;
Unit weight of AT-3A tacho - 0.25 kg;
The manufacturer guarantees the quality of the unit of AT-3A tacho technical requirements specifications subject to user terms and conditions of storage, transportation, installation, operation, established specifications and operational documentation.