Previously, Honeywell’s TruStability pressure sensors have been intended for use with non-corrosive, non-ionic working fluids such as air and dry gases. The new single-side liquid media option allows the end customer to use one port of the sensor with condensing humidity or non-corrosive liquid media (ie. de-ionised water), eliminating the complexity or added expense of having to protect the sensor from this type of media. The sensors offer different accuracies and compensated temperature ranges that address specific segment needs.
Featuring high stability and tight accuracy specification, their modular and flexible design manifests in a variety of package styles and options. The HSC series is designed to provide a ±1% total error band specification, compensated across a 0°C to 50°C temperature range. The SSC series is designed to provide a ±2% total error band specification, compensated across a wider -20°C to 85°C range.
The HSC and SSC series’ footprint is very small in comparison to most silicon pressure sensors, including the current Honeywell portfolio. Despite their small size, they are temperature compensated, calibrated and provide an amplified signal, typically allowing the customer to remove the components associated with signal conditioning from the PCB to increase space and reduce costs often associated with those components (eg., acquisition, inventory, assembly). This integrated capability often eliminates problems that could occur from having multiple signal conditioning components across the PCB.
Both series offer the option of analog or digital outputs. Digital ASIC output in either I²C or SPI protocols from digital sensors accelerates performance through reduced conversion requirements and the convenience of direct interface to microprocessors or microcontroller.
Custom calibration ranges, output options, power options (3,3 V d.c. or 5,0 V d.c.), pressure types (absolute, differential, gauge, compound), pressure ranges (1 psi to 150 psi), a wide array of mounting options (through-hole SIP, DIP and surface mount technology), and multiple package options provide support for many unique applications. They are designed to provide digital correction of sensor offset, sensitivity, temperature coefficients and non-linearity.
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