The P158 refrigerant pressure sensor is compatible with all fluorocarbon refrigerants and refrigerant oils now in use and in development for refrigeration and HVAC/R applications. Kavlico utilizes our field-proven ceramic capacitive sensing technology designed for automotive and other industrial application in the design of the P158.

The P158’s package design can endure high vibration and broad temperature range conditions found in refrigeration systems. The sensors can withstand high overpressures and pressure pulsations without damage or degradation in performance.

Operating on 5 Vdc, the P158 has an amplified, high-level linear output and is temperature compensated over a range of -34°C to +120°C.

Available in absolute, sealed gage and gage pressure versions, the P158 can be supplied in ranges from 0-100 to 0-750 PSI. The sensor has a machined brass housing and can be configured with a 1/4” Male Pipe Thread or 1/4” SAE Female Thread with Schrader Deflator process connection.

Specifically intended for high volume, OEM applications, the P158 delivers a cost-effective solution without compromising on performance or reliability. Kavlico offers the P158 in specific OEM pressure ranges in addition to the standard pressure configurations noted on the Data Sheet.

In addition to the P158 Refrigeration pressure Sensor, Kavlico designs and manufactures custom sensors for a wide variety of OEM, application specific requirements utilizing our ceramic capacitive, silicon micro-machined integrated capacitance and piezoresistive technologies.

Data Sheet / P158 /

The Model P255 pressure transducer with advanced electronics provides enhanced performance. This is an upgraded version of the field-proven ceramic capacitive P155 pressure transducer.

Specifically designed for pressure measurements of 0-15 through 0-1000 PSI, this robust device has a ceramic diaphragm that can withstand exposure to a wide array of compatible liquid and gaseous process media. The mixed-signal CMOS ASIC provides for improved EMI/RFI and accuracy specifications.

Excited by 5 Vdc, the P255 provides a linear amplified output of 0.5 to 4.5 Vdc that is proportional to pressure. The sensor has low power consumption, superior long-term stability, and excellent repeatability and hysteresis. Other features include over-voltage, reverse polarity, and short circuit protection.

The P255 exhibits excellent shock and vibration tolerance, making it an ideal fit for marine, agriculture chemical equipment, HVAC/R, hydraulic systems, gas tank pressure monitoring, level measurements, coolant pressures, aggressive fluid measurements, and a myriad of other industrial applications.

The P255 pressure transducer is available in many standard off-the-shelf configurations. It can also be custom designed to fit specific OEM applications.

In addition to the P255 Pressure Transducer, Kavlico designs and manufactures custom sensors for a wide variety of OEM, application specific requirements utilizing our ceramic capacitive, silicon micro-machined integrated capacitance and piezoresistive technologies.

Data Sheet / P255 /

This 4-20mA device is compact in size making it ideal for restricted space applications. The PT255 utilizes Kavlico’s inherently accurate and reliable patented ceramic capacitive sensing technology.

This fixed range transmitter is available in gage and absolute pressure configurations fro 15 to 1000 PSI and can withstand high overpressures without degrading performance.

The PT255 has an operating temperature range of -40°C to +125°C, is RFI protected and has a response time of less than 10 mSec while offering combined repeatability and hysteresis errors that are typically below +0.06% of full scale. Long-term minimization of these errors is maintained after millions of full scale overpressure cycles making electronic setpoints virtually drift free.

The stainless steel housing is well suited for use in a variety of hostile environments and the electrical connector is weather resistant.

In addition to the PT255 fixed range pressure transmitter, Kavlico designs and manufactures custom sensors for a wide variety of OEM, application specific requirements utilizing our ceramic capacitive, silicon micro-machined integrated capacitance and piezoresistive technologies.

Data Sheet / PT255 /

Kavlico’s P265 pressure transducer has a rugged, 303 stainless steel housing and is a direct replacement for our P165 due to the upgraded electronics package that includes a mixed-signal CMOS ASIC that enhances the sensor’s accuracy and EMI/RFI protection. The robust design utilizes a ceramic diaphragm assembly that can withstand exposure to a wide array of compatible liquid and gaseous process media.

Specifically designed for pressure measurements of 0-15 through 0-1000 PSI, the P265 is excited by 5 Vdc and provides a linear amplified output of 0.5 through 4.5 Vdc that is proportional to pressure. The sensor has low power consumption, superior long-term stability, and excellent repeatability and hysteresis. Other features include over-voltage, reverse polarity, and short circuit protection.

The excellent shock and vibration tolerance of the P265 makes it an ideal fit for applications such as steam sterilizers, natural gas pressure, CNG and propane engines, marine, agricultural chemical equipment, refrigeration and HVAC systems, hydraulic systems, diesel and gasoline engines, coolant pressures, industrial compressors, and a variety of other industrial applications.

The model P265 pressure transducer is available in many standard off-the-shelf configurations or it can be custom designed to fit your OEM specific application.

In addition to the P265 Pressure Transducer, Kavlico designs and manufactures custom sensors for a wide variety of OEM, application specific requirements utilizing our ceramic capacitive, silicon micro-machined integrated capacitance and piezoresistive technologies.

Data Sheet / P265 /