For grounded targets MTI offers standard capacitance probes. For ungrounded or poorly grounded targets MTI offers push/pull dual sensor probes. Both types of probes are available in stainless steel construction or flat and flexible polyimide construction. Polyimide flat probes are perfect for gap applications or confined spaces.
Standard capacitive sensors require the target to be electrically grounded (for position, gap and vibration measurement applications). Current flows from the probe face to the target and back to the amplifier to complete the circuit. The capacitance between probe and target is proportional to the distance and converted to a 0 – 10V output from the amplifier. The measurement of electrically grounded targets can be, however, affected by changes in the electrical conductivity or ground path of the target.
Cable and Probe Temperature Rating: -130°C (-202°F) to 200°C (392°F) Cryogenic and higher temperature probes are available up to 1200°C consult MTI Factory. A BNC to SMA adapter is required
Connector Temperature Rating: -65°C (-85°F) to 85°C(185°F)
Accuracy1: ±0.01% FSR or better, of range when probe and amplifier are calibrated to a known standard at x1 Range extension.
Probe and Cable Interchangeability: Accurate to within ± 0.2% at x1 range extension without recalibration
Pressure Rating Standard: 1400kPa (200 psig)
Material: Stainless steel construction, no active internal electronics
Highly flexible Cable for ILR/ILA/PSR Probes: 1m (3.28′) length – see options for extension cables. Connector type probes require selection of cable assembly upon ordering