R902-26GHz Radar Level Meter
Download document
Overview
This series of radar level meter adopted 26G high frequency radar sensor, the maximum measurement range can reach up to 30 meters. Antenna is optimized further processing, the new fast microprocessors have higher speed and efficiency can be done signal analysis, the instrumentation can be used for reactor, solid silo and very complex measurement environment.
DESIGN & BENEFIT
Small antenna size, easy to install; Non-contact radar, no wear, no pollution.
Almost no corrosion, bubble effect; almost not affected by water vapor in the atmosphere, the temperature and pressure changes.
Serious dust environment on the high level meter work has little effect.
A shorter wavelength, the reflection of solid surface inclination is better.
Small beam angle, the energy is concentrated, can enhance the ability of echo and to avoid interference.
The measuring range is smaller, for a measurement will yield good results.
High signal-to-noise ratio, the level fluctuation state can obtain better performance.
High frequency, measurement of solid and low dielectric constant of the best choice.
|
|
APPLICATION
Chemicals
Food & Beverages
Machinery
Minerals Á Mining
Oil & Gas
Pharmaceuticals
Power Plant
Pulp & Paper
Water
Waste Water
TECHNICAL PARAMETERS
| Process Connection | Thread G1½″A/ Thread 1½″ NPT /Flange |
| Antenna Material | Stainless Steel / PTF |
| The outer shell |
| The seal between the shell and the shell cover | Silicone rubber |
| Casing window | Polycarbonate |
| The ground terminal | Stainless steel |
| Power Supply |
| 2-wire system | Standard type (16 to 26) V DCIntrinsically safe (21.6 to 26.4) V DC Power dissipation max 22.5mA / 1W Allowable ripple <100Hz Uss |
| Flameproof | (22.8 to 26.4) V DC, 2-wire system(198 to242)VAC, 4-wire system/110VAC, 4-wire system |
| Cable parameters |
| Cable entrance / plug | 1-M20x1.5 cable entrance,1- blind plug |
| Terminal | Conductor cross section 2.5mm² |
| Output and Communication |
| Output signal | (4 to 20) mA/RS485 |
| Communication protocol | HART/ Modbus |
| Resolution | 1.6μA |
| Fault signal | Constant current output; 20. 5mA22mA 3.9mA |
| Integral time | (0 to 36) s, adjustable |
| Blind area | the ends of the antenna |
| Max. distance measurement | 30 meters （Liquid type） |
| Accuracy | ± 3mm |
| Enclosure | IP67 |
| Ex-Grade | ExiaⅡC T6 Ga/ Exd ⅡC T6 Gb |
| Frequency | 26GHz |
| Communication interface | HART communication protocol |
| Measurement interval | about 1 second (depend on parameter settings) |
| Adjust the time | about 1 second (depend on parameter settings) |
| Display resolution | 1 mm |
| Storage temperature | (-40 to 100) ℃ |
| Process Temperature | (-40 to 130)℃ / (-40 to 250)℃ |
| Pressure | Max. 4.0MPa |
| Seismic | Mechanical vibration l0m/s², (10 to 150) Hz |
