Dynisco PT449 Operating Instructions Download Page 2

Wiring

The PT449 transducers are provided with an 80% internal resistance
calibration.  After nulling the zero, short terminals E and F to provide a
signal equivalent to 80% full scale.  Mating DIN connecter (P/N 712000)
is supplied with the PT449.

Mount the connector in a temperature stable area away from heated
surfaces above 125ºF.

Transducer Removal

Convenient transducer withdrawal is completed by backing it out with
the insertion/removal tool (P/N 449910, 3" long; or 449911, 12" long).
Transducer removal without the use of the mounting nut requires a
jacking tool machined to the illustrated dimensions.

Note: DO NOT ATTEMPT TO REMOVE THE TRANSDUCER BY PULLING ON
THE CABLE, DRIVING, OR HAMMERING THE SENSITIVE SURFACE.
CERTAIN DESTRUCTION OF THE TRANSDUCER WILL RESULT. USE THE
TOOLS DESCRIBED AND ILLUSTRATED ABOVE.

Dynisco
38  Forge Parkway Franklin, MA 02038
Tel: 508.541.9400  Fax: 508.541.9436 
www.dynisco.com

P/N 974044

03/02 REV. C

ECO #26556

Function

Exci

Signal -

Excitation -

PT449

Internal Cal

Resistor

1 (White, C)

3 (Red, A)

2 (Green, D)

4 (Black, B)

5 (Orange, F)

6 (Blue, E)

Transducer Repair

Questions concerning warranty, repair cost, delivery, and requests for a
RA# should be directed to the Dynisco Repair Department, 508-541-
9400 or email: [email protected].  Please call for a return
authorization number (RA#) before returning any product.  Damaged
transducers should be returned to:

Dynisco, LLC
Repair Department RA#
38 Forge Parkway, Franklin, MA 02038 

Technical Assistance

Please call 800-221-2201 or 508-541-9400 or fax 508-541-9436.

Warranty

Go to www.dynisco.com and click on “Warranty” at the bottom of any
page for complete details.

Captive Mounting

Nut & Wrench

Wrench
4489010 (turn C.C.W.)

Captive Free Turning
Mounting Nut

Figure 5:

Transducer Removal Using the Captive Mounting Nut & 
Wrench

Jacking Bolt
(Hold)

Jacking Nut
(Turn C.W.)

Optional Jacking for

Compression Sleeve Mounting

M6 x 0.75 L.H. THD.

Figure 5:

Transducer Removal Using the Optional Jacking for 
Compression Sleeve Mounting

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