insensitive to blade tip clearance variation. - insensitive to casing vibration. - time or arrival uncertainty improved compared to one electrode sensor systems.
STATIC AND DYNAMIC NO CONTACT BLADE TIP CLEARANCE AND TIP TIMING
CAP 1802 a/b HIGH FREQUENCY CAPACITIVE UNIT FOR TWIN COAXIAL® PROBES • DISTANCE RANGE : From 0→ 2 mm to 0 → 10 mm according to the diameter of the double electrode sensor used (coaxial type) • BTC LINEARITY : < +/- 0.8 % (F.S.O) OF THE PROBE RANGE • TEMPERATURE DRIFT (/ °C) < 0.2 % (F.S.O) OF PROBE RANGE (Operating temperature: from -20°C to + 50 °C) • BTC BANDWIDTH : 0 to 250 kHz typical (-3dB) • BTC DYNAMIC RESOLUTION AT MID SCALE DISTANCE: 50 µm @ 250 kHz bandwidth • BTC OUTPUT: 0 / +10V LINEAR VARIATION vs PROBE TO TARGET CAPACITANCE • TIP TIMING OUTPUT: ONE PULSE FOR EACH PASSING BLADE - insensitive to blade tip clearance variation - insensitive to casing vibration - time or arrival uncertainty improved compared to one electrode sensor systems • BTC OFFSET OUTPUT ADJUSTMENT & COMPENSATION OF TEMPERATURE EFFECTS ON PROBE: automatic • PROBE CABLE LENGHT EFFECT COMPENSATION: automatic • ADJUSTABLE BTC OUTPUT GAIN : 1 to 10 ratio • PACKAGING : stand alone (CAP 1802 b ; +/-15 V DC supply) or 3U (CAP1802a) module for 19' rack for multichannel application • COMPATIBLE WITH HIGH TEMPERATURE COAXIAL “DOUBLE ELECTRODE” SENSORS (Temperature range: up to +1100°C) • COMPATIBLE WITH DEDICATED ACQUISITION & PROCESSING SOFTWARE (BTC & BTT) CAPAAB 22/32 sentier des Torques BAT 8 92290 Chatenay Malabry France www.capaab.fr
The BTC output of the CAP1802 conditioners are sent to BTC acquisition and processing system The BTT output of the CAP1802 conditioners are sent to BTT acquisition and processing system
OTHER CAPACITIVE CAPAAB PRODUCTS: DC TO MEDIUM BANDWITH DISTANCE OR CAPACITIVE MEASUREMENTS (0 to 20 kHz) MEASUREMENT OF ROTATION SPEED ON CONDUCTIVE OR NON CONDUCTIVE TARGETS EITHER IN GAS OR LIQUID ENVIRONNEMENT (FROM -270°C to 1300°C ) HIGH FREQUENCY CAPACITIVE CONDITIONING UNIT FOR PSEUDO TRIAXIAL PROBE (0 to 300 kHz) CONTAMINATION DETECTION WITHIN LIQUIDS (OIL, WATER, ...)
For high temperature single & twin capacitive probes, please request specific data sheet REV : 10.08c
CAPAAB 22/32 sentier des Torques BAT 8 92290 Chatenay Malabry France www.capaab.fr
and resin abradable surrounding casing. In such situation, it is mandatory ... the abradable made with epoxy resin on the other hand. To date, these checks are ...
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In principle, the sensor consists of an outer electrode (usually the pipe through ... If necessary, an electrostatic 3D modeling is performed to optimize the sensor.
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Simultaneous sampling 12 bits 20 MS/s per channel digitizer dedicated to blade tip clearance measurement. ⢠Time to Digital converter with 320 ps timing ...
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Aug 19, 2013 - Special take off technique required. 2. Landing - 4.1.2. Special landing technique required. 3. Speeds in straight flight - 4.1.3. Trim speed more ...
This opens the way for a variety of applications ranging from distance ... the polynomial representation of the calibration curve, stored in the application program.
CAP for rack mounting ; CAP I industrial module. REFERENCE. FEATURES. OPTIONS. CAP 100a /b ... High Bandwidth / coaxial / Tip Timing a a : 1 probe range.
8 channels multistop time-to-digital converter with multistart acquisition mode ... Ideal for measurement in pulse timing (also called Time of Arrival or Blade Tip ...
Configuration numeric commands and measurement channels array ... In fact, the user has to open a configuration file with a double click on this file name,.
The Company provides products and CAPAAB original solutions mainly around technical ... Indeed, both the capacitive principle is known and has long been applied in the field of ... Compared to competitors blade tip clearance measurement system, the m
