Differential air pressure sensor with illuminated display for ventilation installations, 24V.
Freely selectable ranges, from -100 to +3500 Pa. Adjustable K factor for volume flow calculation.
CPS-D-A is designed for measuring differential pressure in ventilation installations.
Pressure sensor CPS-D-A has an integrated differential pressure element that is temperature compensated for high accuracy and linearity. The pressure element and the output signal has high resolution which means that the pressure value is presented in increments of max 1 Pa over the entire measurement range (-100 till +3500 Pa).
The required function and range is set on a backlit display. The measurement range determines at which measured value the output signal will start and when the maximum output signal will be given. The output signal (0-10V or 4-20 mA), K factor for volume flow calculation and required signal damping are also set on the display. Zero calibration of the pressure element is also carried out on the display. Basic display mode shows the current measured value (pressure or volume/flow) and current output in volts or milliamps.
CPS-D-A is factory set for differential pressure measurement of range 0-500 Pa, 0-10V output signal and signal damping 10 sec. Freely adjustable ranges from -100 Pa to +3500 Pa, in increments of 50 Pa.
Via the K factor settings, CPS-D-A can measure the volume/flow over, e.g., fans or orifice plates. The conversion formula from differential pressure to volume is: q = k x √∆p.
K factor can be rounded up to two decimal places. The following units can also be set: m³/h, m³/s and l/s. The unit setting is only a “display label” and not a mathematical calculation of the value. The ranges can be freely adjusted from 0 to 32000, in increments of 100 up to 3500 and in increments of 500 over 3500.
Output signal damping (averaging) is adjustable at 3 levels: 3, 10 and 20 seconds.
The terminal block and enclosure cable port (with a pre-mounted M16 cable gland) are removable for easier installation. The enclosure cover is hinged at the top, has a snap fastener at the bottom and catches to keep the cover in raised position.
CPS-D-A is wall-mounted with the hose connectors pointing downwards. For more information please refer to the installation instructions.
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