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Author Topic: Dwyer 475 Mark III adjustment procedure  (Read 850 times)

Offline USMCPMEL

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Dwyer 475 Mark III adjustment procedure
« on: 10-28-2020 -- 14:05:42 »
Does anyone have an adjustment procedure for this unit? I asked Dwyer they said to send it back.

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Re: Dwyer 475 Mark III adjustment procedure
« Reply #1 on: 10-29-2020 -- 19:34:17 »
You can try to press and hold the zero button and turn it on. It may go into an alignment.

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Re: Dwyer 475 Mark III adjustment procedure
« Reply #2 on: 05-05-2021 -- 20:39:11 »
OK...we got some 475s in and I figured it out. Press and hold the ON/OFF switch until the unit shows CAL/Exit. Release the power button and press the ZERO button. The display should switch to CAL/ZERO. Press ON/OFF to store the Hex #. Press ZERO and the display will read CAL/HS. Apply half scale pressure and press ON/OFF. Press ZERO and the display will read CAL/FS. Apply FS pressure and press ON/OFF again. Press the ZERO to display CAL/Exit and press the ON/OFF switch to exit cal mode.

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Re: Dwyer 475 Mark III adjustment procedure
« Reply #3 on: 05-05-2021 -- 21:59:27 »
A little more info. To get into the Cal mode, press and hold the ON/OFF button until the CAL/EXIT comes on. While still holding the ON/OFF press and hold ZERO and the display will advance to CAL/ZERO. The rest of the previous post still applies.

Offline USMCPMEL

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Re: Dwyer 475 Mark III adjustment procedure
« Reply #4 on: 05-07-2021 -- 14:37:01 »
Thanks for getting back to me!! I figured it out a while back but I am glad to know you never quit looking!! Have a great weekend!!

 

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