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Ultrasonic level meters
ULTRAPRO 500 MANUAL
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The UPS Series ultrasonic level sensors are compact measure-ment devices containing an electro-acoustic
transducer and an electronic module. Using the electro-acoustic transducer, level meters and level sensors transmit
a series of ultrasonic puls-es that spread towards the surface. The transducer then receives the reflected acoustic
wave, which is subsequently processed in the electronic module. The current distance to the surface level is
calculated from the time of spread of individual pulses towards the surface and back and the temperature measured
in the tank. The output is then set on the basis of the surface height. The outputs of the ULM level meter are current
4 -20 mA, voltage 0 - 10 V and industrial line RS-485 with Modbus RTU communication. The output of the ULS sensor
consists of a PNP transistor with an open collector and a two-state current switch 4 mA / 20 mA.
3. MEASURING PRINCIPLE
Thanks to the proximity principle employed, the devices are suitable for continuous or limit measurement of the level
of liquids, waste water, sludge, suspensions, adhesives, resins in various open and closed vessels, sumps, open
channels and drains. Applicability for measuring the surface level of loose materials is limited, the range of
measurement is shorter there. Setting is carried out either using two buttons or a magnetic pen or by remote setting
in case of Modbus RTU output. The device is equipped with optical indication of its state (RUN) and the setting
process (STATE). It is manufactured in designs for normal (N) and explosive atmospheres (Xi).
4. RANGE OF APPLICATION
UPS_–53_–01–_
measurement range 0.1 m to 1 m, all-plastic design, source of PVDF (polyvinylidene fluoride),
mechanical connection with thread G ¾.
UPS_–53_–02–_
measurement range 0.20 m to 2 m, all-plastic design, source of PVDF, mechanical connection with
thread G 1''.
UPS_–53_–06–_
measurement range 0.20 m to 6 m, all-plastic design, source of PVDF, mechanical connection with
thread G 1 ½".
UPS_–53_–10–_
measurement range 0.4 m to 10 m, all-plastic case, source of PVDF, mechanical connection with
thread G 2 ¼“.
UPS_–53_–20–_
measurement range 0.5 m to 20 m, all-plastic case, source of PVDF, mechanical connection with
flange of aluminium alloy.
5. FEATURES OF VARIANTS
