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JFR-10 Series FMCW Radar Level Transmitter
Brand: FineTekFMCW Radar level transmitter is a non contact measuring device, which is suitable for high temperature, high pressure and corrosive applications.
It is easy to install and free of maintenance, especially for the high accuracy requirement environment.
FMCW radar adopts a high frequency signal, which is emitted via an antenna and swipe frequency increment by 0.5 GHz during the measurement, reflected by the target surface and received at a time delay.
The frequency difference, which is calculated from the transmitting frequency and the received frequency, which is directly proportional to the measured distance (or material surface).
The frequency difference then is processed by Fast Fourier Transformation (FFT) to identify the signal in Intermedium Frequency (IF).
This FMCW radar is innate with signal / noise enhancement and filtering of echo-back via Phase-Lock Loop (PLL) circuit that is the best solution for complex environment and high accuracy measurement.
Features- Non contact measuring
- Corrosive and toxic liquid, hydrocarbons, slurries
- Not affected by specific gravity, pressure, temperature, viscosity, foam, and dust
- 5 digits LCM display
- Indicate signal wave inside the silo
- Selection of different measurement unit (m, cm, mm, inch, ft, %, mA)
- Measuring distance and actual level
- Language selection of traditional Chinese, simplified Chinese, English
- 4-20 mA/ 4 lead wires
- Modbus RS-485 to enhance isolation and easy for remote control
- CE standards for isolation (EFT 2,000 V, B class or better)
- Suitable for mid-range signal
- 4 mA, 20 mA output
- Set functions to the continuous measuring device via FAS software
- Isolated circuit design
- 10 GHz JFR1 series could measure liquid material
- 26 GHz JFR2 series could measure all kinds of material
Specifications
Brand
Accuracy
- ± 10 mm
- ± 20 mm
- ± 3 mm
- ± 5 mm
Ambient Temperature Range
- -40° to 70° C (-40° to 158° F)
Approvals & Certifications
- CE
- IEC 60947-2, EC60092-504, IEC 61000-4-4, IEC 61000-4-11, IEC 60068-2-30, IEC 60068-2-38
Communication
- RS-485 (Isolated)
Consumption
- Power Consumption: 100 mA at 24 Vdc
Display
- 5-Digits LCM Display
Distance
- Blind Distance (Horn): 500 mm
- Blind Distance (Rod): 600 mm
Enclosure, Body Material
- Aluminum
Environmental Protection
- IP65 Protection Rating According to IEC 60529
Flange Material
- 304 Stainless Steel
- 316 Stainless Steel
- 41 Series Stainless Steel with Zinc Coating
- Polypropylene (PP)
- PTFE
Frequency
- 10 GHz
Materials of Construction
- Antenna Material (Horn): 304 Stainless Steel
- Antenna Material (Horn): 316 Stainless Steel
- Antenna Material (Horn): ETFE Coating
- Antenna Material (Rod): PTFE
Measuring Range
- 32.8 to 98.4 feet (10 to 30 metres)
Media
- Liquids
- Solids
Operating Pressure
- psi: 0 to 580.2 (kPa: 0 to 4,000, bar: 0 to 40)
Operating Temperature
- -40° to 200° C (-40° to 392° F)
Output
- 4-20 mA, 4-Wire
Power Supply
- 24 Vdc ± 10 %
Repeatability
- ± 1 mm
Sample Rate
- 1 second
Wiring
- 4-Wire