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 FT-3000ÀÇ »ç¾ç
 Operating Principle  Ultrasound reflection time of flight through air measurement
 Number of
 transducers
 1 or 2 depending on measurement requirements
 Transducer type  Air coupled compression probe, 64 kHz.. 1 MHz types
 (Transducers in the 500 kHz - 1 MHz range are used with
 separate pre amplifiers for improved noise immunity)
 Temperature  compensation  Dual sensor, 1 for each transducer
 Air temperature range  0.. 40¡É.
 Measurement modes  Distance via transducer 1 / 2
 Thickness using reference surface via transducer 1 / 2
 Thickness using two opposite transducers with automatic calibration.
 Measurement range  0.. 200 mm.
 Measurement speed  100.. 5000 measurements per second (limited by probe distance)
 Resolution  0.01 mm.
 Accuracy  Depending on airflow and instrument setting, ¡¾0.05 mm typical on
 a range of 0.. 30 mm, ¡¾0.1 mm and more on range > 30 mm.
 Filtering  Average (range 1.. 1000 measurements), noise burst suppression,
 alarm filtering, see alarm specification.
 In / Outputs  RS232 : Single module computer interface for data and setup.
 RS485 : Multi channel link for data and setup (up to 16 units).
 Analogue : 2 analogue outputs with scaling, 0.. 10 V.
 Alarm  2 relays with programmable thresholds and alarm modes.
 Alarm filtering  1.. 100 consecutive limit violations before alarm relays activate.
 Alarm modes  Relay 1 : value > setpoint 1, Relay 2 : value > setpoint 2
 Relay 1 : value > setpoint 1, Relay 2 : value < setpoint 2
 Relay 1 : value < setpoint 1, Relay 2 : value < setpoint 2
 Relay 1 : value < setpoint 1, Relay 2 : value > setpoint 2
 Relay activation can be realtime or latched
 Hysteresis  0.. 10% of setpoint value. 
 Inputs  Alarm reset, start measurement (via optocouplers)
 Encoder  Quadrature or clock / direction, used for measurement
 synchronisation.
 Power supply  12 V DC +/- 10% @ 0.5 A max.
 Connector  DIN 41612 Male
 Enclosure  19 inch module 3 HE, width 51 mm, dept 175 mm.
 Software  Configuration package for WIN98, WIN2000, Custom software on
 request.