PRODUCT OVERVIEW
The NSSPT Developed Differential Amplifier powers two two-wire loop powered 4-20mA pressure sensors and produces a single three-wire 4-20mA signal, which is proportional to the difference between the two inputs.
TEST SETUP
OUTER DRAWING
PRODUCT SPECIFICATION
| SPECIFICATION | |
| Operating Voltage Area UB | 18…..30 V DC |
| Output Signal IP | 4…..20 mA |
| Measuring Principle | Current Sensing |
| Quantity to be measured | Positive differential between two 4-20mA, |
| Pressure area of sensors | 0…..4 bar (relative) |
| Differential pressure area | 0…..2 bar (polarized) |
| Maximum Load resistor | 250Ω |
| Characteristics deviation | 0.25% of full scale |
| Operating Temperature | -25 to +85°C |