Sensor/electronics evaluation

Table is scrollable
Physical principle Capacity determination in the high frequency stray field
Frequency 20 MHz
Measurement location Measurement location: Outside silo via baffle plate, on belt with sliding shoe carriage, pipes, screw conveyors, tank, etc.
Measuring range 0-100% moisture content
Capacity resolution 3 fF
Update cycle 32.64 ms
Sampling rate mean value counter 16 – 25 106
Maximum attainable measuring accuracy +/- 0.05 % moisture content 1.)
Measurement value transfer digital: RS-485, multiprocessor log
Max. number of sensors on the bus 16
Maximum bus length 1200 m
Power supply 8 - 30V, 0.4 VA
Temperature measurement measuring range -10 – 90 °C
Measuring accuracy temperature measurement +/- 0.5 °C
Operating ambient temperature 5 – 72 °C
Working temperature - electronics -20 – 80 °C
Storage temperature -25 – 80 °C
Protection class IP68
Connection cable type UNITRONIC®ROBUST C 7x0.14 shielded
Connection cable length 6 m
Wearing protection: Zirconium oxide (ZrO2Al2O3)
Housing/flange material V4A (1.4404)
Dimensions: Ø/Height 78/57 mm alternatively: 30/94 mm
Weight without cable 0.500 kg
Weight clamping flange 0.300 kg

1) representative of the batch or the time window in the Contiprocess, in conjunction with the associated Litronic-FMS evaluation device, material-dependent, with ideal flow behaviour and with proper calibration.

Characteristics

• Pure capacitive measuring method

• Sensor exchange without recalibration

• Sensitivity adjustable in 3 steps

• Integrated microprocessor with mean value calculator

• Material flow detection

• Temperature compensation

• Limit value evaluation

• Direct digital measurement value determination

• Highly wear-resistant ceramic shield

• Stainless steel housing