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Dynasonics TFX Ultra Transit Time Flow Meters User Manual

Page 84

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DAC Va l u e:

Ca l i b r a ted Tem p ( d eg C) :

Ca l i b r a ted Tem p ( d eg F ) :

Sec o n d Ca l Po i n t

R ef er en c e Tem p ( d eg C) :

R TD 1

R TD 2

Ca l i b r a te R TD 1, o r sel ec t th e c h ec k b o x b el o w to c a l i b r a te b o th R TDs a t th e sa m e
tem p er a tu r e. M a k e su r e th a t th e R TD i s a t a k n o w n tem p er a tu r e a n d en ter th i s
tem p er a tu r e b el o w :

Ca l i b r a te B o th R TDs a t sa m e tem p er a tu r e

R TD C a l i b r a t i o n ( S t e p 2 o f 2 )

OK

C a n c e l

1

0 . 0 ° C

3 2 . 0 ° F

3

0 . 0 ° C

3 2 . 0 ° F

Figure 62: RTD calibration (Step 2 of 2)

If the calibration points are not separated by at least 40° C or if either one or both of the RTDs are open, the following error

message will be displayed:

Ca l i b r a ti o n p o i n ts a r e to o c l o se. Ca l i b r a ti o n n o t u sa b l e.

U l t r a L IN K

OK

!

Figure 63: Calibration point error

REPLACING OR RE-CALIBRATING RTDS

Page 84

March 2014