The SPT4200 pressure sensor has been developed using Silicon-on-Sapphire (SOS) piezoresistive silicon strain gauge circuit housed in a robust stainless steel housing.
- Pressure Ranges: 0.5 up to 1500 bar, or 7.5 up to 20,000 psi gauge
- Output Signals: 10mV/V, 0-5Vdc, 0-10Vdc, 4-20mA
- Accuracy: 0.25% FS or 0.1% FS
- Electrical Connections: DIN plug, Cable outlet or M12 connector
- Process Connections: G1/4 male, G1/2 male, 1/4 NPT male, 1/2 NPT male, G1/4 female, M10 x 1 male
- Media Compatibility: Titanium alloy (G1/4, 1/4 NPT), Ti/SS316L (all other threads)
- Special Features: 0.1% FS long term stability
- Special Options: ATEX/IECEx certified, DNV GL marine approval
The sapphire sensor element is molecularly bonded to a titanium alloy sub-diaphragm. This enables the sensor to endure higher over-pressure and provides superb corrosion resistance. The sensor exhibits virtually no hysteresis and excellent long-term stability. It has the option of an integrated Cable outlet, M12 x 1, 4-Pin connector both offering up to IP67* ingress protection or a standard Plug & Socket arrangement.
The internal PCB incorporates a versatile microprocessor enabling a range of outputs including 10mV/V, 4-20mA, 0-5V, and 0-10V all powered from a DC power supply.
SPT4212-A-016AB-STO low and high measurement to output values
I have a SPT4212-A-016AB-STO pressure sensor, it has a 0 to 5V output, and I assume that 0 barg = 0V and 16 barg = 5V?
Yes that is correct
Load resistance limits
What is the recommended load resistance for the 0-5 volt output?
For the 0 – 5 V version it is recommended to use a load resistance of RL > 5 KΩ.
Screen connection with isolated power supply
I am using a 0-5 volt output version of this transducer with an isolated power supply, without a earth connection. I assume the best performance would be with the screen connected to the power supply 0V?
Try the connection without the screen initially, if you get some pickup or interference then connect the screen to 0V.