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VT71

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    Transformer VT71 rotating multi-pole frameless two a readout open-frame (VT-71, VT 71, bt-71, bt71, bt 71)
 
    Transformer VT71-6-0,09/0,8-0,16/0,56 rotating multi dvuhotschetny open-frame is designed for use in electro-mechanical computing devices, servo systems, as well as the primary sensor to digital converters.
    Depending on the scheme and the inclusion mode (function) devices angle sensors VT-71 are divided into sine-cosine (Synchro), output voltage which is proportional to the sine (cosine) the angle of rotation of the rotor, and linear (LVT), the output voltage which varies linearly proportional to the angle of ± 60 °.
    Rough count (SC) and the exact count (TO) W type VT-71 located on a common magnetic core.
 
    Technical characteristics of the instrument transformers VT71 rotating multi-pole frameless two a readout open-frame:

    Accuracy Class - 0,5, 1, 2;
    Rated voltage excitation - 6V;
    Nominal frequency - 400Hz;
    Operating frequency range - 400Hz-4000Hz;
    The divergence of the null positions of the rotor and TO GO - 20ugl.min;
    Change the position of matching the channel is set, the instrument transformer VT71 when the ambient temperature at every 40°C - 12ugl.s;
    Electric reduction canal TO - 16;
    Type VTDP receiver, which operates the instrument transformer VT71 rotating multi two a readout open-frame - BT-5 KFZ.031.055;
    Steepness in the mode of TPD, channels:
    - TO - 3mV/ugl.min.;
    - GO - 1mV/ugl.min.;
    The ratio of residual EDS to steepness, channel:
    - TO - 0,6ugl.min.;
    - GO - 15ugl.min.;
    Phase shift of the output emf of channels:
    - TO - 68ugl.grad.;
    - GO - 17ugl.grad.;
    Rated current excitation instrument transformer VT71:
    - TO - 16mA;
    - GO - 2mA;
    Maximum output voltage:
    - Channel TO - 0,97V;
    - Channel GO - 3,4V.
    The number of pairs of poles (electric reduction):
    - Channel TO - 16;
    - Channel GO - 1.
    The error of the channel following the instrument angle sensor VT-71 at a frequency of 4000Hz excitation voltage can vary by 15° compared to the error, measured at a frequency of 400Hz;
    The greatest number of VTDP receivers, which may be connected to a single sensor - 2;
    Operation - Synchro (TO), VTDP-D (GO);
    Transformers rotating multi-pole frameless two a readout VT71 are divided into accuracy classes:
    - Transformer VT71 accuracy class 0.5 (0.5 cl. T) has the characteristics:
     - Accuracy of following channel MOT - ± 0,5 ang.;
     - Accuracy of following channel GO - ± 20 ang.;
    - Transformer VT71 1, accuracy class (1st class. T) has the characteristics:
     - Accuracy of following channel MOT - ± 1ang.;
     - Accuracy of following channel GO - ± 20 ang.;
    - Transformer VT71 2, accuracy class (2 cl. T) has the characteristics:
     - Accuracy of following channel MOT - ± 1ang.;
     - Accuracy of following channel GO - ± 20 ang.
 
    Vibration loads:
    - Frequency range - up to 2000Hz;
    - Acceleration - 200m/s2;
    Shock - 1500m/s2;
    Ambient temperature - -60°C to +100ºC;
    Relative humidity at 35°C - 98%;
    Overall dimensions transformer VT71 rotating multi two a readout open-frame:
    - Outer diameter - 71mm;
    - Inside diameter - 32mm;
    Weight - 0,3kg;
    Warranty life instrument angle sensor VT-71 - 10,000 hours.

Photos VT71

VT71 (BT71) device image.
VT71 (BT71) device image.
VT71 (BT71) front view.
VT71 (BT71) front view.
VT71 (BT71) side view.
VT71 (BT71) side view.


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