Ultrasonic Measurement prosonic - VDT Industrie

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Sensor Installation Prosonic sensors are provided with 1” NPT fittings for mounting flexibility. The FDU 80/81F sensors may also be installed with a slip-on flange. For optimum performance, the sensor should be installed so that its lower edge is below the top of the tank or silo. This can be done if the maximum level does not enter into the blocking distance (blind space) of the sensor. See illustration below. Flange mounting Pipe well mounting is used when the material high level is high enough that the sensor must be moved to allow for the blocking distance. Inner Edge 45° x .08" (2 mm) D L Pipe well mounting Sensor positioner mounting, below, depicts how the sensor can be installed in the best position with respect to the measured material. A sensor positioner can be used to install a sensor in a tank that has an opening smaller than the sensor’s diameter. Sensor positioner mounting 8 FDU 80F FDU 81F Sensor D L FDU 80 / 80 F 3.9”
Technical Data Transmitter FMU 86X Enclosure Field, NEMA 4X (IP 65), corrosion-resistant reinforced plastic with nine punch-out conduit entries. Optional panel mount (144 x 144 mm) or rack mount (19”, 21 HP); both include keypad and display. Display 4-1/2 digit LCD with vertical and horizontal matrix position display and bar graph (%). Optional backlit matrix display. Communication Plug-in options supporting INTENSOR or HART serial communication via the 4 to 20 mA loop or RS 485 interface (DMS ready) Sensor Input One or two (FMU 862 only) sensor channels of any combination Weight Field mounted, 5.7 lbs (2.6 kg). Panel, 2.2 lbs (1 kg). Rack, 2.8 lbs (1.3 kg). Electrical Classification General purpose Resolution 0.03” (1 mm) or 0.1% of measuring span (which ever is greater) Power Input 90 to 146 VAC, 50/60 Hz; 180 to 276 VAC, 50/60 Hz; 20 to 30 VDC EMI / RFI Effects 1% for maximum measuring span at 10 V/m (10 kHz to 1 GHz) to NAMUR, IEC 801-3 Overfill/Underfill Input Support connections to external voltage free make-or-break contacts or PNP switches Power Consumption 15 VA maximum Operating Temperature -4°F to + 140°F (-20° to +60°C) Storage Temperature -24°F to + 176°F (-40° to + 80°C) Humidity 95% average annual humidity Drift Temperature, negligible; load, negligible Shock Resistance 2g (10 to 55 Hz) and 15g for 11 ms per DIN40 040, type W Relay Outputs 3 or 5 SPDT, 4A at 250 VAC programmable relays including fault indication, limit switches, totalizer driver (FMU 861 and 862 only), sampler activation (FMU 861 and 862 only) Analog Outputs 1 or 2 (FMU 862 only) isolated 4 to 20 mA @ 600 Ohms maximum. Output current limit, 24 mADC Indicators Yellow LED for each relay, lighting during de-energized state; green LED indicating proper operation Totalizer Optional 6-digit (non-resettable, FMU 861 and 862 only) Keypad Interface 6 tactile feedback keys to access operator matrix. V and H keys for vertical and horizontal movement. Other keys for data entry. Recommended Cable 18-AWG, two-conductor with maximum 25 Ohms and 60 nF per conductor, maximum 1000 feet Optional Accessories FAU 40 sensor positioner, all-weather cover, pipe-mount kit. Dimensions Refer to diagram below Mounting Hole (4) 7.9" (Mtg.) Knock-out Conduit Entry (9) 9 PROSONIC FMU 860 10.85" (Mtg.) 11.5" 1 2 3 4 5 V H E 10" 4.17"
Page 1 and 2: Technical Information TI 013F/24/ae
Page 3 and 4: Features and Benefits Model Feature
Page 5 and 6: Time Signal Time Dependent Threshol
Page 7: Sensor Location For best performanc
Page 11 and 12: Ordering Information FMU 86X Transm

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