Xi'an Dehou Electronic Technology Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 1000 pcs/ pre month |
| Delivery Time | 7-15 working days |
| Packaging Details | carton, 90cm×30cm×30cm |
| Product model | NYSP-UK862 |
| Probe length | 500mm |
| Power supply | 24VDC, 220V AC |
| Ambient temperature | - 40 ~ + 80 ℃ |
| Process pressure | -0.1~2.0MPa |
| Time delay | 0~30s Adjustable |
| alarm | Upper or lower limit, adjustable on site |
| Explosion-proof grade | ExiaIICT6Ga, ExdIICT6Gb |
| Brand Name | NUOYINGJIAYE |
| Model Number | NYSP-UK862 |
| Certification | CE |
| Place of Origin | Xi'an, Shaanxi,China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 1000 pcs/ pre month |
| Delivery Time | 7-15 working days | Packaging Details | carton, 90cm×30cm×30cm |
| Product model | NYSP-UK862 | Probe length | 500mm |
| Power supply | 24VDC, 220V AC | Ambient temperature | - 40 ~ + 80 ℃ |
| Process pressure | -0.1~2.0MPa | Time delay | 0~30s Adjustable |
| alarm | Upper or lower limit, adjustable on site | Explosion-proof grade | ExiaIICT6Ga, ExdIICT6Gb |
| Brand Name | NUOYINGJIAYE | Model Number | NYSP-UK862 |
| Certification | CE | Place of Origin | Xi'an, Shaanxi,China |
| High Light | Rod Type RF Admittance Level Sensor ，Liquid RF Admittance Type Level Switch ，24VDC RF Admittance Level Switch | ||
Smart RF Admittance Level Switch Liquid Level Switch Water Level Control
Radio Frequency Admittance Switch Discription
The working principle of the radio frequency admittance level switch is based on radio frequency (RF) capacitive technology. A radio frequency is applied to the probe and, through continuous analysis, the effects caused by the surrounding environment are determined. Since all materials have a dielectric constant and their conductivity is different from that of air, when the probe is in contact with the material, the total impedance reflected by the small capacitance shift changes. Because the energized probe and the container wall constitute the two polar plates of the capacitor, the insulator of the probe and the surrounding air become the dielectric material, when the air (whose dielectric constant is 1.0) is replaced by any other material (the dielectric constant > 1), The capacitive effect is enhanced, thus changing the impedance of the application. That is, the change of capacitance value causes the change of impedance. This effect is measured by the circuit and compared to the reference established by the sensitivity setting (circuit).
Radio Frequency Admittance Switch Working Principle
The correct setting of the sensitivity of the RF admittance level switch will affect the correct change of the sensor output. The Null-KoTeTM circuit of the probe can make the measurement circuit ignore the material accumulated on the probe. Otherwise it will cause the failure of sensitivity. The Null-KoTeTM circuit is excited with the same radio frequency potential applied to the sensing probe. Since current cannot flow at the same potential, the Null-KoTeTM circuit interrupts the flow of current that would normally flow from the energized probe through the bulk material to the vessel wall. This measures the material around the energized probe, not the accumulated material.
Radio Frequency Admittance Switch Technical parameter
| Typical application | High and low level alarms for liquids, dusts, particles, solids and other media |
| Product model | NYSP-UK861,NYSP-UK862,NYSP-UK863, NYSP-UK864, NYSP-UK865, NYSP-UK866 |
| Probe form | Cable type, rod type, flat type |
| Probe material | 304, 316, PTFE, ceramic (optional) |
| Probe length | 500mm (length can be customized according to site conditions) |
| Power supply | 24VDC, 220V AC |
| Signal output | Double pole double throw relay (DPDT) output, 5A 24V DC or 5A 220VAC |
| Ambient temperature | - 40 ~ + 80 ℃ |
| Process temperature | -40~+130℃, -184~+260℃, >+260℃ choose ceramic high temperature probe |
| Process pressure | -0.1~2.0MPa |
| Process connection | Thread, bracket, flange (optional) |
| Time delay | 0~30s adjustable |
| Power loss protection | Normally open, normally closed, switchable on site |
| Sensitivity | 0. 5pf~750pf |
| Error alarm | Upper or lower limit, adjustable on site |
| Protection grade | IP67 |
| Explosion-proof grade | ExiaIICT6Ga, ExdIICT6Gb (see certificate for details) |
※Notes: Products can be customized according to the specific requirements of users!
Company Details
Business Type:
Manufacturer
Year Established:
2015
Total Annual:
1500000-180000
Employee Number:
60~80
Ecer Certification：
Verified Supplier
Company Introduction Xi'an Dehou Electronic Technology Co., Ltd. is a high-tech enterprise specializing in research and development, production, sales of industrial automation instruments and providing Internet of Things solutions. At present, the company has ... Company Introduction Xi'an Dehou Electronic Technology Co., Ltd. is a high-tech enterprise specializing in research and development, production, sales of industrial automation instruments and providing Internet of Things solutions. At present, the company has ...
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