Required - TTE - 3255 - Melt Pressure Transducers - PT420 Series

Dynisco Range of PT420 Series:
1) PT420A:
- Pressure ranges: 0 - 500 psi to 0 - 30,000 psi
- Output: 3.33 mV/V
- Accuracy: +/- 0.25 percent FSO
- Standard process connection: 1/2-20 UNF
- Standard electrical connection: Bendix PC02E-12-8P

2) PT422A:
- Pressure ranges: 0 - 500 psi to 0 - 30,000 psi
- Output: 3.33 mV/V
- Accuracy: +/- 0.25 percent FSO
- Standard process connection: 1/2-20 UNF
- Standard electrical connection: Bendix PC02E-12-8P

3) TPT432A:
- Pressure ranges: 0 - 500 psi to 0 - 30,000 psi
- Output: 3.33 mV/V
- Accuracy: +/- 0.25 percent FSO
- Standard process connection: 1/2-20 UNF
- Standard electrical connection: Bendix PC02E-12-8P

The PT420A Series transducer is a +/- 0.25 percent sensor ideal for melt pressure applications requiring high accuracy, simple installation, repeatability and reliability. The PT420A transducers provide the industry standard 3.33 mV/V signal designed to work with most pressure indicators. The PT420A comes equipped with an eight pin Bendix connector. Optional thermocouple or RTD configurations are available to provide melt temperature. The PT420A features a 1/2-20 UNF thread for installation in standard transducer mounting holes and can be supplied with a variety of other electrical connections if desired.

Features:
- Accuracy better than +/- 0.25 percent
- Dymax coated stainless steel wetted parts
- Proven sensor design
- Excellent thermal stability and repeatability
- 0 - 500 to 0 -30,000 psi
- Internal 80 percent shunt calibration

Benefits:
- Reliable, repeatable pressure measurements
- Superior abrasion resistance
- Good stability and repeatability
- Ideal for high temperature applications
- Wide variety of pressure ranges
- Easy to calibrate with local indicator

Specifications:
1) Performance characteristics:
- Output: 3.33 mV/V +/- 2.0 percent
- Input voltage: 10 Vdc recommended, 12 Vdc maximum
- Combined error:
a. +/- 0.25 percent FSO (including linearity, repeatability and hysteresis)
b. +/- 0.5 percent FSO for 500, 750, 1,000 psi ranges
- Repeatability: +/- 0.1 percent FSO, +/- 0.2 percent FSO for 500, 750, 1,000 psi ranges
- Configuration: Four-arm bonded foil Wheatstone bridge strain gage
- Bridge resistance: Input: 345 Ohms minimum; Output: 350 Ohms +/- 10 percent
- Over pressure: 2 x FSO or 35,000 psi whichever is less
- Zero balance: +/- 5 percent FSO
- Internal shunt calibration (R-Cal): 80 percent FSO +/- 0.5 percent
- Insulation resistance: 1000 megohms at 50 Vdc

2) Temperature and mechanical characteristics:
- Max diaphragm temperature: 750 Degree F (400 Degree C)
- Zero shift (due to temperature change): 15 psi/100 Degree F typical (27 psi/100 Degree C)
- Electronics operating temperature: 250 Degree F (121 Degree C)
- Zero shift due to temperature change: +/- 0.01percent FS/Degree F max (+/- 0.02 percent FS/Degree C max)
- Sensitivity shift due to temperature change: +/- 0.005 percent FS/Degree F max (+/- 0.01 percent FS/Degree C max)
- Mounting torque: 500 inch/lbs. maximum
- Standard wetted parts: Dymax coated 15-5 PH SST

4) PT435A
- Pressure ranges: 0 - 500 psi to 0 - 30,000 psi
- Output: 3.33 mV/V
- Accuracy: +/- 0.25 percent FSO
- Standard process connection: 1/2-20 UNF Jam Bushing
- Standard electrical connection: Bendix PC02E-12-8P

Model PT435A provides the high accuracy of models PT420A and PT422A but can mount in extremely tight spaces. The specially designed process connector uses a free - spinning jam nut and an exposed capillary tube capable of 1/16" bend radius.

Features:
- Better than +/- 0.25 percent accuracy
- 3.33 mV/V FSO
- Internal 80 percent shunt calibration
- All stainless steel wetted parts
- 0 - 500 to 0 - 30,000 psi
- Excellent thermal stability and repeatability
- Exposed, bendable capillary

Benefits:
- Precise pressure measurement
- Standard low level output
- Easy set-up
- Corrosion resistant
- Choice of pressure ranges
- Ideal for high temperature processes

Specifications:
1) Performance characteristics:
- Ranges (psi): 0 - 500, 0 - 750, 0 - 1,000, 0 - 1,500, 0 - 3,000, 0 - 5,000, 0 - 7,500, 0 - 10,000, 0 - 15,000, 0 - 20,000, 0 - 30,000
- Accuracy: +/- 0.25 percent FSO (+/- 0.5 percent FSO for 500, 750 and 1,000 psi ranges)
- Repeatability: +/- 0.1 percent FSO (+/- 0.2 percent FSO for 500, 750 and 1,000 psi ranges)
- Mounting torque: 500 inch - lbs. maximum
- Maximum pressure: 2 x full range or 35,000 psi (whichever is less)
- Material in contact with pressure media: 15 - 5 PH stainless steel, Dymax coated
- Weight: 1.5 lbs.

2) Electrical characteristics
- Configuration: Four active arm bonded Wheatstone bridge strain gage
- Bridge resistance: Input: 345 Ohms minimum; Output: 350 Ohms +/- 10 percent
- Full scale output: 3.33 mV/V +/- 2 percent
- Zero balance: +/- 5 percent FSO
- 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: 15 psi/100 Degree F typical (27 psi/100 Degree C)
- 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: +/- 0.005 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