Required - TTE - 3257 - Melt Pressure Transducers - PT450 Series

Dynisco Range of PT450 Series:
1) PT450FA-LP
- Pressure ranges: 0 - 25 psi to 0 - 100 psi
- Output: 3.33 mV/V
- Accuracy: +/- 0.5 percent FSO
- Standard process connection: Button Seal
- Standard electrical connection: Bendix PC02E-12-8P

2) PT450TA-LP
- Pressure ranges: 0 - 25 psi to 0 - 100 psi
- Output: 3.33 mV/V
- Accuracy: +/- 0.5 percent FSO
- Standard process connection: 1 1/2-16 UNF
- Standard electrical connection: Bendix PC02E-12-8P

Models PT450FA and PT450TA add low pressure measurement capability to Dynisco's line of high temperature melt pressure transducers. In order to meet a variety of installation requirements, model PT450FA has a flanged stem while model PT450TA has a threaded stem configuration. Both models are ideal for processing low viscosity materials and applications such as fiber spinning and polymer transport lines.

Features:
- Accuracy of better than +/- 0.5 percent
- Choice of flanged or threaded configurations
- 0 - 25 to 0 - 100 psi
- Internal 80 percent shunt calibration
- Replacement for traditional button - seal units

Benefits
- Improves process optimization
- Easy to install
- Low pressure measurement
- Easy set - up and calibration
- Installs in button - seal holes

Specifications:
1) Performance characteristics:
- Ranges (psi): 0 - 25, 0 - 50, 0 - 100
- Accuracy: +/- 0.5 percent FSO
- Repeatability: +/- 0.2 percent FSO
- Mounting torque:
a. PT450FA: 100 to 125 inch - lbs. for an adequate seal
b. PT450TA: 100 inch - lbs. for an adequate seal; 500 inch - lbs. maximum
with no zero shift or change in performance
- Maximum pressure: 3 x full range
- Material in contact with pressure media: 17 - 4 PH stainless steel, Dymax coated
- Weight: 3 lbs.

2) Electrical characteristics
- Configuration: Four active arm bonded Wheatstone bridge strain gage
- Bridge resistance: Input: 350 Ohms +/- 1 percent; Output: 350 Ohms nominal
- Full scale output: 2.0 to 2.2 mV/V
- Zero balance: +/- 15 percent FSO (in vertical position)
- Excitation: 10 Vdc recommended, 12 Vdc maximum
- Internal shunt calibration (R-Cal): 80 percent FSO +/- 0.5 percent
- Insulation resistance: 1,000 megohms at 50 Vdc

3) Temperature characteristics
- Transducer diaphragm:
a. Maximum diaphragm temperature: 600 Degree F (315 Degree C)
b. Zero shift due to temperature change:
0.5 psi/100 Degree F from 75 Degree F to 450 Degree F
2 psi/100 Degree F from 450 Degree F to 600 Degree F change
- Electronics housing:
a. Maximum temperature: 250 Degree F (121 Degree C)
b. Zero shift due to temperature change: +/- 0.01 percent full scale/Degree F maximum (+/- 0.02 percent full scale/Degree C)
c. Sensitivity shift due to temperature change: +/- 0.25 percent/100 Degree F from 75 Degree F to 450 Degree F; <5 percent/100 Degree F from 450 Degree F to 600 Degree F

3) PT450FA
- Pressure ranges: 0 - 250 psi to 0 - 10,000 psi
- Output: 3.33 mV/V
- Accuracy: +/- 0.25 percent FSO
- Standard process connection: Button Seal
- Standard electrical connection: Bendix PC02E-12-8P

4) PT450TA
- Pressure ranges: 0 - 25 psi to 0 - 100 psi
- Output: 3.33 mV/V
- Accuracy: +/- 0.25 percent FSO
- Standard process connection: 1 1/2-16 UNF
- Standard electrical connection: Bendix PC02E-12-8P

Dynisco's PT450 Series offers melt pressure measurement in ranges from 0 - 250 through 0 - 10,000 psi at accuracies down to 0.25 percent and process temperatures up to 700 Degree F. For easy installation, the flexible stem transducer is offered in flanged (model PT450FA) and threaded (model PT450TA) versions. Both models are ideal for processing low viscosity materials and applications such as fiber spinning and polymer transport lines.

Features
- Accuracy of better than +/- 0.25 percent
- Choice of flanged or threaded configurations
- 0 - 250 to 0 - 10,000 psi
- Withstands processes up to 700 Degree F
- Internal 80 percent shunt calibration
- Replacement for traditional button - seal units

Benefits
- Improves process optimization
- Easy to install
- Choice of ranges
- Ideal for high temperature processes
- Easy set - up and calibration
- Installs in button - seal holes

Specifications:
1) Performance characteristics:
- Ranges (psi): 0 - 250, 0 - 500, 0 - 750, 0 - 1,000, 0 - 1,500, 0 - 3,000, 0 - 5,000, 0 - 7,500, 0 - 10,000
- Accuracy: +/- 0.25 percent FSO, ±0.75% FSO for 250 psi range
- Repeatability: +/- 0.1 percent FSO
- Mounting torque:
a. PT450FA: 100 to 125 inch - lbs. for an adequate seal
b. PT450TA: 100 inch - lbs. for an adequate seal; 500 inch - lbs. maximum
with no zero shift or change in performance
- Maximum pressure: 3 x full range
- Material in contact with pressure media: 17 - 4 PH stainless steel, Dymax coated
- Effect of elevation of strain gage housing above diaphragm: 5 psi/ft.
- Weight: 3.5 lbs.

2) Electrical characteristics
- Configuration: Four active arm bonded Wheatstone bridge strain gage
- Bridge resistance: Input: 350 Ohms +/- 1 percent; Output: 350 Ohms nominal
- Full scale output: 3.33 mV/V +/- 2 percent
- Zero balance: +/- 5 percent FSO (in vertical position)
- Excitation: 10 Vdc recommended, 12 Vdc maximum
- Internal shunt calibration (R-Cal): 80 percent FSO +/- 0.5 percent
- Insulation resistance: 1,000 megohms at 50 Vdc

3) Temperature characteristics
- Transducer diaphragm:
a. Maximum diaphragm temperature: 750 Degree F (400 Degree C)
b. Zero shift due to temperature change:
0.5 percent psi/100 Degree F from 75 Degree F to 450 Degree F
2 psi/100 Degree F from 450 Degree F to 600 Degree F change
- Electronics housing:
a. Maximum temperature: 250 Degree F (121 Degree C)
b. Zero shift due to temperature change:
0.5 psi/100 Degree F from 75 Degree F to 450 Degree F;
2 psi/100 Degree F from 450 Degree F to 600 Degree F change
c. Sensitivity shift due to temperature change: +/- 0.005 percent full scale/Degree F
maximum (0.01 percent full scale/Degree C)

Dynisco's manufactures a wide variety of robust 3.33 mV/V melt pressure transducers, which are designed specifically for harsh and rugged environments of the extrusion and Polymer Processing Industries. Select from one of the many robust and reliable products offered on the market today. No matter what the pressure requirement, whether it is for safety reasons or control to help tighten product specifications, Dynisco can supply it.

(For images, please see next pages)

For More Details Contact:
Manan Enterprise
Mr. Yogesh Desai
Tel.: +91-22-26102833
Mobile: +919819301890
E-mail: manan@bom4.vsnl.net.in