Differential pressure measurement (without connection adapter)
1 2-wire sensors, such as HE 5409, HE 5410, HE 5421 with communication of the
power signal to an external display device (see chapter 10 Options).
2 2-wire sensors, such as HE 5409, HE 5410, HE 5421
3 3-wire sensors with supply and measurement output
4 Providing the measurement value through an analog output