RF Admittance Level Switch
RF Admittance Level Switch
- Introduction
- Parameters
- Model
- How to Order
- Video
RF Admittance Level Switch
RF Admittance Level Switch JCRF series adopts advanced RF admittance technology and overcomes the defects that the capacitor level switch could not eliminate the effect by conductive hanging material. The instrument operates reliably and various technical indexes have archived the international level, which is widely used in control and alarm of liquid, pulp, powder, material level and two different liquid levels. In addition, this product have status indication at site, it is a high cost performance and stable level sensor.
RF Admittance Level Sensor RF series consists of sensor unit and electronic unit. The sensor unit mainly includes three parts: measurement probe, shaded pole and ground terminal. The material level is reflected through the change of admittance between the probe and vessel wall. When the level reaches to the switch working point, the electronic unit makes response and driver replay acts,
Thus output switch signal. The shaded pole can prevent fault signal generated due to the handing on the electrode from occurring. Only when the level actually archives the set point can the switch control signal be output.
Technical Parameter
Power Supply: 220VAC，50/60Hz / 24VDC，100mA
Sensitivity: 0.3pF or smaller
Operating Temperature: -20~180℃
Ambient Temperature: -40~80℃
Working pressure: -0.1~2.5MPa
Output: DPDT Relay
Contact rating: 220VAC，5A non-inductive，3A inductive
Response Time: Standard：0.2 S
Delay Time: 0.2～90 S adjustable
Electric Interface: M20×1.5
Explosion-proof Grade: Explosion-proof: ExdIIBT4~T6，
Intrinsical Safety：ExiaIICT4~T6
Protection Grade: IP65
Process Connection: standard：3/4″NPT thread/1″NPT thread
HG20592～20635-97 DN25 above, other flange standard (Like GB、JB/T、HGJ、ANSI、DIN etc.) The user must clearly specify when ordering.
Cable Length: The maximum distance from Split type sensor to electronic unit is 45m. If not specified by the user, the length when leaving factory is 3m.
Material Contacts Liquid: 304/316SS and PTFE
Junction Box Material: Aluminum Alloy
Model Selection
| RF Admittance Level Sensor, heavy hanging resistant, with switch status indication, independent terminal box | ||
| Power supply | 1 | 24 VDC |
| 2 | 220 VAC | |
| 3 | Universal power supply 24 VDC/220VAC | |
| Sensitivity | 0 | Standard sensitivity (for conductive medium) |
| 2 | High sensitivity (for isolated medium ） | |
| Time Delay | 0 | Without Time Delay (standard circuit unit)； |
| 1 | With Time Delay (0.2~90 s adjustable) | |
| Instrument type | 9 | Integral Type； |
| 0 | Split Type | |
| Process connection | 1 | Thread connection |
| 2 | Flange connection | |
| Explosion-proof | 0 | Common Type； |
| D | Explosion-proof Type | |
| E | Intrinsically Safe Type | |
| Electrode Material | 01 | Standard Type (<121°C) |
| 11 | Heavy Hanging Type | |
| 21 | Moderate Temp. Type (<180°C) | |
| 31 | Anticorrosion Type | |
| 41 | Flat type | |
| Insertion Depth | Unit(mm) | |
How to order RF Admittance Level Switch
- Medium
- Power supply
- Viscosity
- Process connection
- Insertion depth
Video for RF Admittance Level Switch
