CS450/CS455 Pressure Transducer
The CS450/CS455 Submersible Pressure Transducer probe is designed for general
pressure measurements. It utilizes the SDI-12 or RS-232 communications protocols to
communicate with a SDI-12 or RS-232 recorder simplifying installation and programming.
1. Introduction
The CS450/CS455 Submersible Pressure Transducer is designed to provide a
reliable, accurate pressure/level measurement that is fully temperature
compensated.
Combining the sensor, analog measurement and signal processing within a single
housing results in the integration of state-of-the-art sensor and measurement
technology. The 24 Bit A/D has simultaneous 50/60 Hz rejection and automatic
calibration for each measurement. A number of additional advanced
measurement techniques are employed to harness the best possible performance
available from today’s state-of-the-art pressure sensor technology. The
Transducer reverts to a low power sleep state between measurements. A series of
measurements are performed yielding a temperature and pressure value. This
measurement cycle takes less than 1.5 second. The sensor can also be configured
to output pressure only in less than 1 sec. The measurement cycle is activated by
commands via SDI-12 or RS-232 Terminal commands.
The design utilizes a piezoresistive sensor housed in a 316L Stainless Steel
(CS450) or Titanium (CS455) package to enhance reliability. The rugged
construction makes the CS450/CS455 suitable for water level measurement in
irrigation applications, water wells, lakes, streams and tanks. The Titanium
package of the CS455 makes it ideal for salt water or other harsh environments.
The cable incorporates a vent tube to compensate for atmospheric pressure
fluctuations and the jacket is made of rugged Hytrel, designed to remain flexible
and tough, even under harsh environmental conditions.
The CS450/CS455 has two communication options: SDI-12 or RS-232. The
CS450/CS455 is shipped from the factory with both communications options
enabled; there is no configuration required. As an SDI-12 sensor, the
CS450/CS455 is shipped with an address of 0.
Two values are output by the CS450/CS455, pressure or level and temperature.
The CS450/CS455 is shipped from the factory to output pressure in psig and
temperature in degrees Celsius.
1.1 Initial Inspection and Handling Guidelines
Upon receipt of the CS450/CS455, inspect the packaging for any signs of
shipping damage, and, if found, report the damage to the carrier in accordance
with policy. The contents of the package should also be inspected and a claim
filed if any shipping related damage is discovered.
Care should be taken when opening the package not to damage or cut the cable
jacket. If there is any question about damage having been caused to the cable
jacket, a thorough inspection is prudent.
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