Overview of LVDTC36 Valve core displacement sensor:
LVDTC36 valve core displacement sensor adopts the principle of differential transformer for measurement. The DC LVDT has excellent performance and is powered by a convenient single power supply+12-28V DC. The electronic circuit is sealed in a 304 stainless steel metal tube and can work in harsh environments such as humidity and dust. The output signal is standard voltage 0-5V, 0-10V, current 4-20mA, and RS485 digital signal that can be used by computers or PLCs. It can withstand high voltage of 35Mpa. Widely used in the field of hydraulic control, such as proportional valves, servo valves, directional valves, macro servo cylinders, etc.
DC LVDT has excellent performance, using a convenient single power supply+12-24V DC power supply, electronic circuits sealed in 304 stainless steel metal tubes, can work in harsh environments such as humidity and dust, and output signals of standard 0-5V, 0-10V, 0 ± 5V, 0 ± 10V, 4-20mA, RS485 that can be used by computers or PLC.
Characteristics of LVDTC36 Valve core displacement sensor:
★ High pressure resistance, capable of withstanding 35MPa
★ Principles of non-contact measurement
★ Oil proof and waterproof; Highly integrated, compact, and more convenient to use
★ Output Signal: Two wire current 4-20mA, three wire voltage 0-5V, 0-10V, four wire RS485 digital signal
Technical parameters :
Model | LVDTC36-40mm |
Output Signal | 0～5V,0～10V,4～20mA,RS485 |
Resolution | 0～10V, 4～20mA is 1um ；0～5V is 2um；RS485 is 16bit |
linearity Error | ≤1%FS |
repeatability error | 1um |
Power Supply | +12～28V DC |
Working Current | Voltage Output: ＜10mA |
4-20mA Output: 4～22mA | |
RS485 Output: 15～22mA | |
Dynamic Characteristics | 50Hz |
Pressurization | 35 Mpa |
Zero calibration | Mechanical zero adjustment range 2mm |
Excitation Voltage | 3Vrms |
Excitation Frequency | 5KHZ |
Temperature Coefficient | Zero Point≤0.01%/℃ |
Sensitivity | ≤0.025%/℃ |
Operation temperature | -25℃～+85℃ |
Wiring method:
| Brown | Black | Blue | White | Shield | |
3 Wires Voltage | 12～28V DC | 0V or Signal - | 0～5V, 0～10V | 0V or Signal - | Ground |
2 Wires Current | 12～28V DC | NC | 4～20mA | NC | Ground |
4 Wires RS485 | 12～28V DC | 0V | Signal A+ | Signal B- | Ground |
Dimensions
Using Instructions
1. Insert the iron core connecting rod into the valve core and tighten the screws
2. Wrap the pressure resistant tube over the iron core connecting rod and insert the valve block locking screw
3. Place the main body of the sensor on a pressure resistant tube and install the zero adjustment screw
4. Plug in the connecting wire and supply 24V power to the sensor to make it work normally. You can connect a voltmeter or ammeter to monitor the output signal. Rotate the zero adjustment screw and move the internal coil of the sensor to the position on the pressure resistant tube. Generally, half of the range is used as the starting point for installation testing. At this time, if the voltmeter and ammeter readings are 0-5V, the output is 2.5V, if it is 0-10V, it is 5V, and if it is 4-20mA, it is 12mA
5. Now tighten the locking screw, lock the pressure resistant tube, fix the sensor position, and the installation is completed
Note: When the sensor defaults to pressing the measuring rod inward, the data will increase. If it is necessary to increase in the opposite direction, advance notice is required