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The PSW-1110 series are cost-effective, digital pressure switches that are easy to read, easy to program, and perfect for small spaces.
These miniature pressure switches provide PNP output switch control for non-corrosive gasses. The PSW-1110 features a bright 4-digit, 7-segment display that makes it easy to see the current pressure. The display can also be programmed to turn red or green, based on the switch state, and there are two LED indicator lights to show when outputs are activated. In short, this miniature pressure switch has several visual indicators that can quickly show the status at a glance.
The ultra-compact size and multiple pressure port orientations make this unit easy to install practically anywhere. There are both a horizontally and vertically oriented pressure ports so that the most convenient orientation and be used, and the unused port is plugged with the included setscrew. As an added bonus, the switch also measures the media temperature and can be set to measure in either Celsius or Fahrenheit. There is a keypad locking function, to secure against unwanted button presses or changes made by those unfamiliar with the unit.
The PNP outputs are fully programmable, and the user can also select one of eight pressure units: psi, bar, kg/cm2, KPa, MPa, inHg, cmHg, and Atm. There are four options for output modes. The main options are hysteresis and window modes, and each of those have high and low methods of actuation. See the Operation Modes section below for more details and the product manual for operation instructions.
*Note that product image contains the base unit and panel mount; panel mounts and mounting brackets are sold seperately as accessories.
Our product accessories section contains a selection of mounting accessories. Vertical or horizontal brackets are available, made for easy mounting to another surface; the sensor has two threaded mounting holes on the back side that either bracket screws into. Panel mounts are also offered and suitable for a wide range for the panel cutout due to spring loaded clips molded into the housing.
The PSW-1110 is also available with the following options: additional pressure ranges, NPN outputs, alternate pressure port thread types, and with liquid media compatibility. If you would like to learn more about these options or require further customization of this design, contact us by phone or by emailing us at email@example.com.
There are two main types of output modes for the digital output - hysteresis mode and windowed mode.
Hysteresis mode has two types of actuations, active low and active high, as shown on the left side of the Output Modes figure below.
Active Low: Turns the output off when the pressure has reached the high setpoint (green line). The output remains off until the pressure has dropped below the low setpoint (blue line).
Active High: Turns the output on when the pressure has reached the high setpoint. The output remains on until the pressure has dropped below the low setpoint.
Windowed mode also has two types of actuations, active low and active high, as shown on the right side of the Output Modes figure below.
Active Low: Turns the output off when the pressure is between the high setpoint (green line) and the pressure low setpoint (blue line).
Active High: Turns the output on when the pressure is between the high setpoint (green line) and the pressure low setpoint (blue line).
Please consult product manual for additional details.