Technical Information of Ultrasonic level measurement

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Transmitter in housing for field or top-hat rail mounting

for the ultrasonic sensors FDU91/91F/92/93/95/96

Application for level measurement

• Continuous, non-contact level measurement of fluids,

pastes, sludge and powdery to coarse bulk materials

with 1 or 2 ultrasonic sensors

• Measuring range up to 70 m

(depending on sensor and material measured)

• Level limit detection (up to 6 relays)

• Pump control (alternating); rake control

• Option: additional pump control functions (pump

function test, ...)

• Calculations: average, difference, sum

Application for flow measurement

• Flow measurement in open channels and measuring

weirs with 1 or 2 ultrasonic sensors

• Simultaneous measurement of level and flow in a

stormwater overflow basin with only 1 sensor

• Flow measurement with back water detection (2

sensors) or sludge detection

• Up to 3 totalizers and 3 (resettable) counters;

optionally resettable via digital inputs

• Counting or time pulse output for control of external

units

Your benefits

• Simple, menu-guided operation with 6-line plain text

display; 15 languages selectable

• Envelope curves on the display for quick and simple

diagnosis

• Easy operation, diagnosis and measuring point

documentation with the supplied "ToF-Tool -

FieldTool Package" operating program.

• Option: four digital inputs (e.g. for pump feedback)

and one external temperature input

• Time-of-flight correction via integrated or external

temperature sensors

• Linearisation (up to 32 points, freely configurable)

• Linearisation tables for the most common flumes and

weirs pre-programmed and selectable

• Online calculation of the flume-/weir-flows via

integrated flow curves

• Pre-programmed pump control routines

• System integration via HART or PROFIBUS DP

• Automatic detection of the sensors FDU9x

• The sensors of the former series FDU8x can be

connected (for certificates see note on page 8)

Contact

Beijing Bron Science&Trade Co.Ltd
Address：Room 512 of oriental Fortune,No.2 yard, North of the Anhua,Chongwen District，Beijing
Zip：100062
Tel：86 010-67114885/67124125/67152280
Fax：86 010-67124125
http://www.intl-sensor.com
E-mail:pcb@intl-sensor.com

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Ultrasonic level measurement

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