High frequency capacitive unit for pseudo tri axial probes : CAP 1800 a/b

• Distance range : From 0→ 0.5 mm to 0 → 12 mm according to the diameter of the sensor electrode used (pseudo tri axial type)
• Linearity : < +/- 0.8 % (F.S.O) OF THE PROBE RANGE
• Temperature drift (/ °C) < 0.05 % (F.S.O) OF PROBE RANGE.
• Bandwidth : 0 to 220 kHz typical (-3dB)
• Dynamic resolution at mid scale probe distance : 50 µm @ 200 kHz bandwidth
• Measurement output dynamics: 0 / +10V linear variation vs probe to target capacitance
• Static balance adjustment: automatic
• Probe cable lenght effect adjustment: automatic
• Adjustable output gain: 1 to 10 ratio
• On line calibration (*) : using accurate reference capacitance
• Packaging: stand alone (CAP1800 b) or 3U 7F (CAP1800a) module for 19' rack for multichannel application ; +/-15 V supply
• Compatible with high temperature coaxial & very high temp. Capacitive sensors (Temperature range: up to +1300°C)
• Additional modules for data acquisition