Bently Nevada 5110 Mod 709V: Difference between revisions

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Mod 709V appears to be an adaptation of [[5110]] scopes for radial vibration display made by Tektronix in Beaverton for [https://en.wikipedia.org/wiki/Bently_Nevada Bently Nevada].
Mod 709V appears to be an adaptation of [[5110]] scopes for radial vibration display made by Tektronix in Beaverton for [https://en.wikipedia.org/wiki/Bently_Nevada Bently Nevada] and possibly others.
 
Externally evident elements of the modification touch several components
 


The modification touches several components:
* Mainframe:
* Mainframe:
** Bently Nevada name & logo
** Graticule illumination added with Tektronix control knob
** Graticule illumination added with Tektronix control knob
** Intensity input BNC changed to yellow binding post
** Intensity input BNC changed to yellow binding post
** Right vertical signal routed to horizontal plugin (implied)
** Bently Nevada name & logo on the two noted examples
 


* 5B10N:
* 5B10N:
Line 24: Line 26:
*** L vs R <unintelligible>
*** L vs R <unintelligible>
*** L vs R
*** L vs R
** Cal control deleted


* 5A19N (two):
* 5A19N (two):
** Inverting input red binding posts changed to light blue
** Inverting input red binding posts changed to light blue
** Cal control deleted


Advertised serial numbers:
Example scope serial numbers:
* B1217xx
* B1217xx
* B1303yy
* B1303yy
Line 44: Line 50:
[http://web.archive.org/web/20060918095638/https://www.engr.colostate.edu/me/facil/dynamics/bentlystart.htm This page] describes connecting "Bently equipment" X & Y [http://web.archive.org/web/20210207033141/https://dam.bakerhughesds.com/m/289a76745358674d/original/Proximitor-Trifold.pdf "Proximitor"] signals and a [http://web.archive.org/web/20210207032233/https://dam.bakerhughesds.com/m/22d0219c69acbaf5/original/3500-25-Enhanced-Keyphasor-Module-Datasheet-141532-pdf.pdf "Keyphasor"] signal via an "Oscilloscope Interface" to an unspecified oscilloscope. Bently Nevada, now "a Baker Hughes business", continues to sell current Proximitor and Keyphasor products per linked literature dated 2019 and 2020. The Bently Nevada [http://web.archive.org/web/20210207035108/https://nvms.com.au/wp-content/uploads/2018/02/tk21-oscilloscope-interface_datasheet_141582.pdf TK21 Oscilloscope Interface] appears to have superseded the modified oscilloscope. Details for that device appear consistent with Mod 709V.
[http://web.archive.org/web/20060918095638/https://www.engr.colostate.edu/me/facil/dynamics/bentlystart.htm This page] describes connecting "Bently equipment" X & Y [http://web.archive.org/web/20210207033141/https://dam.bakerhughesds.com/m/289a76745358674d/original/Proximitor-Trifold.pdf "Proximitor"] signals and a [http://web.archive.org/web/20210207032233/https://dam.bakerhughesds.com/m/22d0219c69acbaf5/original/3500-25-Enhanced-Keyphasor-Module-Datasheet-141532-pdf.pdf "Keyphasor"] signal via an "Oscilloscope Interface" to an unspecified oscilloscope. Bently Nevada, now "a Baker Hughes business", continues to sell current Proximitor and Keyphasor products per linked literature dated 2019 and 2020. The Bently Nevada [http://web.archive.org/web/20210207035108/https://nvms.com.au/wp-content/uploads/2018/02/tk21-oscilloscope-interface_datasheet_141582.pdf TK21 Oscilloscope Interface] appears to have superseded the modified oscilloscope. Details for that device appear consistent with Mod 709V.


==Manual insert excerpts==
Transcribed from microfiche by Håkan H./Zenith5106
<blockquote>
DESCRIPTION
This manual describes MOD 709V as it applies to the
TEKTRONIX 5110 Single Beam Oscilloscope.  MOD 709V
adds a new circuit board for X-Y operation using Right
Vertical versus Left Vertical. Using a TEKTRONIX 5B10N
MOD 709V Time Base plug-in unit, the SECONDS/DIV or
VOLTS/DIV switch is turned to the L versus R position
actuating a switching relay mounted in the mainframe. This
bypasses the normal sweep function of the 5B10N, allowing
for a Left Vertical versus Right Vertical X-Y display. The
display unit portion of the 5110 is supplied with an
illuminated graticule with a special implosion shield, and an
AC coupled EXT INTENSITY INPUT via a yellow binding post
at the front panel.
BANDWIDTH
Maximum horizontal deflection bandwidth
(using a 5A15N or 5A18N amplifier) is reduced by
approximately 300 kHz by the added wiring. Bandwidth (-3 dB)
for X-axis deflection from either the center or right compartment
is 1.7 MHz minimum. The Y-axis specification is unchanged.
CALIBRATION
Check the interconnecting wiring to the added  X-Y circuit board,
then calibrate MOD 709V according to the procedure in the 5110
Instruction Manual.
5A19N MOD 709V
This manual insert describes the features of MOD 709V as installed in the 5A19N
Differential Amplifier. The Signal Input connector has been changed to a blue
binding post for the Minus Input. The Variable VOLTS/DIV control labeled CAL
has been removed. A +15 Volts offset, regardless of the VOLTS/DIV control
setting has been added
5B10N MOD 709V


This manual insert describes the features of MOD 709V as installed in the 5B10N
Time Base Amplifier. It removes the VAR control, changes the BNC EXT INPUT
connector to a green binding post and provides a switching mode for
Left Vertical vs Right Vertical, The last ccw position of the SECONDS/DIV or
VOLTS/DIV (EXT) switch is now labeled L vs H.
</blockquote>


Note the rotary switch position described in the manual insert differs from the separate switch apparent in the examples.


==Pictures==
==Pictures==

Revision as of 20:54, 7 February 2021

{{{manufacturer}}} 
5110 modified for radial vibration display
5110 Mod 709V for Bently Nevada

Produced from (?) to (?)

Manuals

See main text

(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures


Mod 709V appears to be an adaptation of 5110 scopes for radial vibration display made by Tektronix in Beaverton for Bently Nevada and possibly others.

Externally evident elements of the modification touch several components


  • Mainframe:
    • Graticule illumination added with Tektronix control knob
    • Intensity input BNC changed to yellow binding post
    • Bently Nevada name & logo on the two noted examples


  • 5B10N:
    • External input BNC changed to green binding post
    • "Display" color key area expanded to include what appears to be a three-way switch with positions
      • Normal
      • L vs R <unintelligible>
      • L vs R
    • Cal control deleted


  • 5A19N (two):
    • Inverting input red binding posts changed to light blue
    • Cal control deleted


Example scope serial numbers:

  • B1217xx
  • B1303yy

Sources

Noted in February 2021 on eBay and found also listed by but not available from NRI Industrial Sales. Photos come from these two public listings.

Case

Both noted examples include a robust travel case, but the cases differ.

Findings

This page describes connecting "Bently equipment" X & Y "Proximitor" signals and a "Keyphasor" signal via an "Oscilloscope Interface" to an unspecified oscilloscope. Bently Nevada, now "a Baker Hughes business", continues to sell current Proximitor and Keyphasor products per linked literature dated 2019 and 2020. The Bently Nevada TK21 Oscilloscope Interface appears to have superseded the modified oscilloscope. Details for that device appear consistent with Mod 709V.

Manual insert excerpts

Transcribed from microfiche by Håkan H./Zenith5106

DESCRIPTION

This manual describes MOD 709V as it applies to the TEKTRONIX 5110 Single Beam Oscilloscope. MOD 709V adds a new circuit board for X-Y operation using Right Vertical versus Left Vertical. Using a TEKTRONIX 5B10N MOD 709V Time Base plug-in unit, the SECONDS/DIV or VOLTS/DIV switch is turned to the L versus R position actuating a switching relay mounted in the mainframe. This bypasses the normal sweep function of the 5B10N, allowing for a Left Vertical versus Right Vertical X-Y display. The display unit portion of the 5110 is supplied with an illuminated graticule with a special implosion shield, and an AC coupled EXT INTENSITY INPUT via a yellow binding post at the front panel.

BANDWIDTH

Maximum horizontal deflection bandwidth (using a 5A15N or 5A18N amplifier) is reduced by approximately 300 kHz by the added wiring. Bandwidth (-3 dB) for X-axis deflection from either the center or right compartment is 1.7 MHz minimum. The Y-axis specification is unchanged.

CALIBRATION

Check the interconnecting wiring to the added X-Y circuit board, then calibrate MOD 709V according to the procedure in the 5110 Instruction Manual.


5A19N MOD 709V

This manual insert describes the features of MOD 709V as installed in the 5A19N Differential Amplifier. The Signal Input connector has been changed to a blue binding post for the Minus Input. The Variable VOLTS/DIV control labeled CAL has been removed. A +15 Volts offset, regardless of the VOLTS/DIV control setting has been added


5B10N MOD 709V

This manual insert describes the features of MOD 709V as installed in the 5B10N Time Base Amplifier. It removes the VAR control, changes the BNC EXT INPUT connector to a green binding post and provides a switching mode for Left Vertical vs Right Vertical, The last ccw position of the SECONDS/DIV or VOLTS/DIV (EXT) switch is now labeled L vs H.

Note the rotary switch position described in the manual insert differs from the separate switch apparent in the examples.

Pictures

Key Specifications

  • please add