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Application
SpotCheck
SpotCheck is a level switch for use in liquid applications where avoiding contact with the product is vital. The sensor is clamped externally to the wall of the pipe or vessel. The method of measurement is suitable for steel, plastic or glass up to 50mm thick.
Typical Applications
* Tank high / low level alarm
* Pig detection
* Pump dry protection
* Tanker off-load pump control
* Liquids with suspended solids + free gass
* Aggressive or toxic liquids, effluent, sewage etc.
* Flowing and static liquids
* High or low pressure pipes or vessels
* Detects liquid / foam interface
* Ultrapure or hygienic liquids, foodstuffs, pharmaceuticals
* Detect presence of spray eg. tank washing
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Models
Float Switches
7014 and 7010 Series Float Switches Float switches provide simple mechanical control for clean liquid applications. Floats are available for single or multiple control points.
Conductivity Switches
6012 / 6013 Series Conductivity Switch Conductivity switches are suitable for measuring conductive liquids that do not leave coatings. Holders are available that can accept up to 12 electrodes.
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ULS7 is the new industrial OEM level switch from Barksdale combining the advantages of the ultrasonic measuring with the well-known functions of electronic pressure switches.
It is ideal for level control. The ULS 7 is used in numerous applications like machine tools, hydraulic systems or testing beds
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Pulsarpoint 600 - non-invasive point level measurement :
The Pulsarpoint 600 is ideal for situations where it is undesirable or impossible to make an entry into a liquid storage vessel, yet for example a high level alarm is required. Simply fixing onto the outside of the vessel, the Pulsarpoint 600 operates as an acoustic monitor, ultrasonic soundwaves being transmitted through the wall of the tank to detect the presence or absence of liquid.
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The intelligent ultrasonic limit switch SONOCONTROL 40 controls the level of liquids and liquid gases. The new device of the SONOCONTROL series is used as a non-intrusive level control system through the wall, consisting of a probe, fastening, couplant and evaluation instrument.
The non-intrusive system can be used for ride-height control, full-/empty signaling, protection against dry running, position control, ice level control, limit control in liquids and liquid gases and for air bubble- and solid detection.
The compact configuration of the ultrasonic limit switch, containing sender and amplifier, ensures an optimal operating mode. Since the installation of the sensor occurs from the outside, abrasion and leakages can
be avoided.
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Increasing demands for compliance with safety systems and overfill protection has mandated more reliable point level measurement. Echotel Models 961 & 962 Ultrasonic Level Switches meet these demands with advanced transducer designs, extensive hazardous location approvals, and a new self-test technology.
Model 961 offers the ultimate solution to reliable single point liquid level measurement. This advanced switch uses pulsed signal technology for superior performance in difficult process conditions, and to provide excellent immunity from sources of electrical noise interference. Extensive self-testing of the electronics and transducer make this advanced switch suitable for use in Safety Integrity Level (SIL) 2 loops.
Model 962 is a dual point switch that can be used as a level controller, or to control pumps in an auto fill or auto empty mode. The tip sensitive lower gap performs well in aerated or foamy liquids, and can measure to within 14" of the vessel bottom. The rigidity of the unique flow-through upper gap allows separations of 125" (318 cm) between the upper and lower gaps.
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The optimized ultrasonic limit switch SONOCONTROL 15 detects quickly and reliably whether a pipe is filled with liquids / liquid gases or not. The compact sensor is mainly used in plants of the pharmaceutical sector and the food industry. Here, the SONOCONTROL 15 is employed for the protection of pumps and the control of filling systems.
The known advantages of the limit switch, such as the non-intrusive ultrasonic measurement through the wall as well as the precise distinction between empty and liquid filled pipes, have been upgraded by further favourable characteristics. The simplified installation method of the 2-wire system for example, which can be carried out even during system operations, guarantees an optimal use of the device. Due to a new pipe fastening system made of plastics the sensor can be relocated quickly and easily. Furthermore, the advanced firmware assures a stable operating mode.
The required power supply is 12.. 40 VDC. According to the 4...20mA concept the switching status is represented by the current consumption of the sensor. The acceptable medium- or pipe temperature range lies between
-40C...+140C. A particular device version of the SONOCONTROL 15 is also available for the use in hazardous areas.
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Ultrasonic Liquid Leveller
The Link Instruments ULLC2001 Ultrasonic Level Comparator is one of the most advanced Liquid Levellers on the market. Both extremely easy to use and micro-pic controlled for greater precision in measurement. The transducer is placed against the cylinder body 120mm below the calculated liquid gas level, (normally mathematically calculated). While retaining the transducer at this point the Comparator's ultrasonic level is set to around two or three divisions / bars-, by use of the 0-10 Tune Control. This gives a reference level against which the signal at the gas level / air interface is compared.
By slowly sliding the transducer up the cylinder body, you will arrive at the gas level / air interface. At this point the signal will rise sharply and this is visible on the Comparator usually as all 16 divisions / bars- appear and is due to the enhanced propagation of the Surface Acoustic Wave (SAW), across the liquid gas.
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FLOMOTION 600B Ultrasonic level meters from Flomotion Systems are designed for tank level or contents measurement of liquids or bulk solids.
FLOMOTION 800C Explosion Proof
Ultrasonic level meters from Flomotion Systems are perfect for tank level or contents measurement of liquids or bulk solids.
FLOMOTION 1100 Ultrasonic level meter
Excellent for tank level or contents measurement of liquids or bulk solids.
FLOMOTION DR5000 SINGLE & DUAL PEN CHART RECORDERS Offers the best of both worlds, ink cartridge or thermal printing.
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MUW-Mini Ultrasonic Level Monitor
The MUW-2000, an ultrasonic level monitor, is a small but high-cost performance level monitor in use of ultra sound. It has a compact and clean body made of polypropylene. It is suitable for level management of pure water and/or chemical substances. 4 to 20 mA DC current output, two alarm output for high and low level detection as well as RS232C output for maintenance are standard outputs. MUW-2000 enables you simple and easy level monitoring and controlling.
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