This product is no longer available and has been replaced by: CS456,CS451.
CS440-L ACData Sol'ns SPXD-500 4-20 mA Pressure Transducer
Services Available
Repair No
Calibration No
Free Support No


The CS440 submersible pressure transducer output a 4-20 mA signal to indicate observed pressure level. The CURS100 was typically used to convert the 4-20 mA signal to a millivolt signal. The data logger then converted the millivolt signal to user-selected units (such as psi or feet). The static accuracy was ±0.1% over a 0° to 50°C temperature range.

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Detailed Description

The CS440 was removed from our pricing system on August 22, 2008.


Excitation 8 to 24 Vdc
Static Accuracy 0.1% span BFSL
Operating Temperature 0° to 60°C (non-freezing)
Diameter 2.5 cm (1.0 in.)
Cable Diameter 0.74 cm (0.29 in.)
Length 33.0 cm (13 in.)


Note: The following shows notable compatibility information. It is not a comprehensive list of all compatible or incompatible products.

Data Loggers

Product Compatible Note
21X (retired)
CR10 (retired)
CR1000 (retired)
CR10X (retired)
CR200 (retired)
CR205 (retired)
CR206 (retired)
CR210 (retired)
CR211 (retired)
CR215 (retired)
CR216 (retired)
CR23X (retired)
CR295 (retired)
CR3000 (retired)
CR500 (retired)
CR5000 (retired)
CR510 (retired)
CR800 (retired)
CR850 (retired)
CR9000 (retired)
CR9000X (retired)

Additional Compatibility Information

Data Logger Considerations

The CS440 is measured with a single-ended data logger instruction after converting the sensor signal from milliamps to millivolts using a 100 Ohm resistor.

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