Keller Pressure transmitter is used in the whole area. They are products that measure the pressure of the system and convert the pressure it measures into an electrical signal.
Features
Model : Keller, PR-21Y
Pressure Measurement Range: 0-50 bar
Mechanical Connection Size: G1/4"- G1/8'' male
Electrical Output: 4-20 mA, 0-10VDC, 0.5-4.5 V
Supply : 8 ... 32 VDC
Sensor Technology: Piezoresistive Transmitter
Diaphragm Material. : AISI316 L
Body Material. : AISI304
Temperature Range: -40 ̊C ... 100 ̊C
Stability : ±0.25 %FS/year
Accuracy : ±1%
Protection : IP65
Regarding the flow of liquids or air, Symaro offers everything needed to measure flow accurately, from flow sensors to flow switches and velocity sensors. The products are versatile as any flow sensor with DC 0...10 V or 4...20 mA output is available.
Features
Operating voltage : DC 7 ... 33 V
Analog output, signal : DC 4 ... 20 mA
Time constant : <2ms
Pressure connection : G½" external thread
Electrical connection : Plug-in connection
Medium temperature : -15… 125 °C
Max. allowable pressure : 2.5 x end of scale value (FS)