Explore Scientific TDM Version 2.51
Explore Scientific TDM Version 2.51
DKK 9.899,00

Explore Scientific TDM Version 2.51

Telescope Drive Master (TDM) er udviklet til at kompensere for periodiske og ikke-periodiske tracking fejl på masseproduceret ækvatorial monteringer, hvis tracking fejl stammer fra mekaniske og monterings unøjagtigheder.

Produkt beskrivelse:
Sættet består af følgende dele: 1 stk. høj præcision rotary encoder som monteres direkte på RA aksen uden kobling eller gear, samt en elektronisk kontrol boks. Bemærk venligst at der ikke medfølger adapter til montering - købes separat.

The electronic controller unit compares the signals incoming from the high precision rotary encoder mounted onto the RA shaft with time signal of the internal quartz oscillator. If the angular velocity of the RA shaft deviates from the prescribed (sidereal or
average King-rate) velocity value, it accelerates or delays telescope’s driving clock. In this way, a high precision, feedback regulated, real-time rotational speed control has been created. Corrective action happens via auto-guider input port of telescope’s driver unit of its own.

Advantages of using TDM:

- Eliminates telescope mounts’ tracking error down to negligibly small values. The followed object (without large scale proper motion) deviates from its theoretical position on the CCD surface in smaller degree than ±0.5” (or less than 1” p-v amplitude) during 5-10 minutes long observation more than in 95% of duration of total exposure time. (The data above depends on the object position observed in the sky, type of certain mount and accuracy of its polar alignment.)

- It is not necessary to install auto-guider telescope or to use guider chip/camera.

- It does not need to find bright guide star for tracking (the observation process can be automated on much easier way).

- TDM can speed up the high volume observation work on remarkable way since exposition can be started immediately after the scope turned onto its target (and potential RA-gear backlash worked off).

- TDM is very easy to use due to its self-test functions.


- TDM compensates each element of tracking errors coming from the whole RA drive chain (between motor shaft and RA shaft) since the rotational sensor has been mounted onto the RA shaft directly. It means that TDM inspects very slow rotation of RA shaft continuously in real-time and will correct it immediately if it is necessary.

- TDM is a standalone application so it does not need any PC support or other external device for using it.

- Thanks for the built in, high stability and high precision quartz-oscillator based clock-signal the tracking accuracy of the telescope’s drive system is not a relevant parameter.

- The electronic module of TDM can be used for other mounts as well so you need to change the mechanical adaptor only if you have several mounts or want to change the type of your permanent mount.

- It is possible to create a high precision periodic error (PE) curve of your mount using the serial (USART) port of TDM connected to your PC in your room without “in-situ” test under the night sky. You just need to download and use the software (TDM Monitor.exe) from the companion CD.

TDM has been developed as “easy-to-use” device, so you can subsequently attach its mechanical adopter onto the RA shaft of most popular mass-produced telescope mechanics easily, without disassembling mount. This is a “Plug-and-Play” device so you do not need any special mechanical or electronic study or background to install and use it.

Producent:
Explore Scientific
Varenummer:
0721010
Leveringstid:
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