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The monitoring of liquid level particularly in high reservoirs, in pressure vessels as accumulators or in large gear boxes usually requires the external installation of level controls. These are normally connected to the lowest point of the vessel by fittings or flanges and in most cases also have connections to the space above the liquid level. Alternatively the controls must be open towards ambient atmosphere to allow the fluid to communicate without restriction.
A stainless steel standpipe with attached scale and indicator provides the visual surveillance. An almost unlimited number of electrical contacts can be attached to both sides of the scale or a transducer with analogue signal can be attached to one side plus contacts to the other side. The level controls are available for pressures up to 360 bar.
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Ganter has for many years been a well-known supplier of oil sight glasses made of plastic and aluminium. The range of products has now been enlarged to include oil sight glasses made of stainless steel and brass. In addition, an “ATEX” sight glass made of aluminium has been developed
for use in explosion hazard atmospheres which is available in three sizes with different threads, complying with the directives of the European Union for explosion protection.
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The Barksdale Bypass Level Indication System combines the convenience of a sight glass and the strength of a Stainless Steel tube with the only difference: there is no class to break or seals to leak.
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The VLI-2500A and the compact VLI-1250A provide safe durable and accurate direct tank level indication for most any industrial liquid or environment.
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Measuring length Max. 3 meters
Connection DIN-flange DN 10...DN 25
ANSI-flange 1/2"... 1"
Material st. st. 1.4571
Max. pressure PN 40/300 lbs, max. temperature:200 °C
Accuracy transducer +/- 1 mm
Option transmitter 4-20 mA, contacts
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Systems of assembly for tubes EMILE MAURIN the systems of assembly are elements of tightening which make it possible to build gauges, installations and operating systems at the same time easily and quickly by using sections of standard tubes, round or square. The very broad nut range of tightening cast solid or made up of several elements offers almost unlimited possibilities. The nuts of cast solid tightening allow very robust tubular constructions. In this case, one will use tubes of precision with an external diameter which remains in tight tolerances. The nuts of tightening made up of several elements are not indicated for tight tolerances because they can also be used with tubes of square section, which allows integration already existing systems.
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The Bypass level indicators operate currentless and offer a maximum of safety for reading the level of a tank at any time. They can be also by any time completed with switch or analogue functions.
Function possibilities
- Continous level measuerement
- Punctual level measuerement
- Visual level indication
- Interface measuerement
- Up to 450°C working temperature
- Lowest specific gravity of 350kg/m3
- Up to 400 bar working pressure
- Durable building method
- Customised applications
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The Atlas™ is Magnetrol’s subsidiary Orion Instrument’s standard, high performance magnetic level indicator. Atlas is a single chamber design with either 2", 2.5", or 3" chamber diameter, as required by the application. There are twelve basic configuration styles including top mount models. Special configurations are also available.
Atlas magnetic level indicators are produced in a wide range of materials of construction, including plastics. Orion also offers one of the most complete selections of process connection types and sizes in the industry.
Atlas may be equipped with a variety of level transmitters and switches as well as flag and shuttle indicators with or without stainless steel scales. This enables the Atlas to be a complete level and monitoring control.
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Aurora® is the next generation of Magnetic Level Indicators. Its patented design is state of the art in this technology and reflects Magnetrol's subsidiary Orion Instrument’s innovation and commitment to magnetically coupled level indicators.
Aurora is a totally redundant system of continuous level monitoring and control. An Eclipse® guided wave radar coaxial probe is housed along with the MLI float in a 3" or 4" diameter chamber. While the indicator relies upon the float and its internal magnets to activate the flags or shuttle, the Eclipse measures the liquid level directly. Two completely separate technologies in a single external chamber ensure redundancy unlike any other MLI. The use of a baffle plate within the chamber ensures that the float and eclipse coaxial probe work seamlessly within the single chamber.
There are six basic configuration styles and over fifteen material selections for Aurora. For the first time ever, the ability to accurately and reliably measure ultra low dielectric media, high pressure/high temperature process conditions, and media with shifting and changing
dielectric values can be accomplished with Aurora.
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Level Measurement à la carte
WEKA stands at the forefront of Magnetic Level Indicator state of the art for almost any operating conditions. Most of the applications can be served with one of our standard instruments. For special applications we invite you to draw from our wealth of more than 40 years experience in the design and manufacture of Magnetic Level Indicators installed all over the world in extremes of environments and applications. No matter how complex your requirements are, the patented and field-proven WEKA magnetic float indication rail system will meet your liquid level indication requirements.
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Applications: Level or interface metering
Special features: Reliability
Robust construction with magnetic transmission of measured values.
Big scale with 180°-wide angle ball-display.
Can be used in hazardous areas.
Self-monitoring function
PTB approval for zone 0
Technical data: Process temperature: up to +350°C
Nominal pressure: up to 400 bars
Options: Polypropylene fittings, PVDF- and PTFE-lining.
Limit switches
Reed contact with electronic transmitter, 4-20mA, HART®
Approval: Possible by TÜV, Germanischer Lloyd and Bureau Veritas
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The Liquid Level Gauge has been introduced to complement our range of liquid level sensors. The gauge is available for most liquid types (fuel, oil, water...) and can be etched with other data labels if necessary. The gauge has been designed with special features including fully configurable scaling, adjustable electronic damping and a fully adjustable low level warning indicator. Additional features include auto-dimming control and multi-coloured LEDs ensuring this device can be seen in all lighting conditions.
- Fully Configurable
- High Accuracy
- Low Level Warning
- Low Height and Recess Profile
-Simple Installation
- Lightweight
- Light Sensitive Auto-Dimming
- Available in Fuel, Oil, Water variants (plus others)
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One instrument, three functions: level indicator, level switch, and level transmitter !
WEKA Magnetic Flag Level Indicators provide three important functions in a single instrument, independently of one another: level indicator, level switch (user adjustable over the full range), and level transmitter with electrical signal output. The visual readout does not require electric power supply for its functioning, and indicates liquid level in a vessel through a directly-connected chamber, based on the phenomenon of a liquid having the same level in connected vessels. Level readout is guaranteed in all circumstances. These level instruments are therefore ideal for use during commissioning stages, as well as for back-up functions in process plants.
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Level gauge to magnetic drive for local vision.
External lateral assembly or vertical inside to the tank.
It can be completed with contacts finecorsa or potenziometrico emitter for remote control and commando of pumps, valves, alarm systems.
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OCIO is an innovative system for monitoring the fluid level inside atmospheric tanks. The system detects the static pressure generated by the fluid height by means of a tube inserted in the tank and displays the fluid level or volume. The new design and suitable solutions guarantee a reliable and repeated level indication.
The system is composed of:
A tube for detecting the static pressure. The tube with its end is inserted from the top of the tank and dipped in the fluid down to the bottom of the tank.
A control unit for level display and system management. The unit is provided with intuitive and complete software and allows the connection of two alarm or lock devices.
By means of the software it is possible to:
- set the type and the dimensions of the tank
- define the level alarms
- define the level indication
- define the unit of measurement
- calibrate the instrument
Depending on the set alarm levels, the control unit activates or deactivates the contact working as a remote switch starting the alarm devices or cutting the power supply off the connected equipment
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Pneumatic tank contents gauges represent an economic solution for an accurate tank contents measurement with remote indication. The pneumatic tank contents gauge UNITOP requires no power supply, has an accuracy of ±2 % and can be installed up to a distance of 50 m from the tank. UNITOP functions safely and reliably and with millions in daily use, is well proven.
Inspite of that it was possible to incorporate into the new instrument generation a number of ideas. The new dual scale facilitates the contents supervision of rectangular and cylindrical tanks. Indication is provided in % of liquid height and is thereby in its basic form independent of the tank shape. Naturally, for all DIN-tanks and many special tanks slide-in scales with calibration in Litres are available, as are additional scales in Litres for specially shaped tanks. All adjustment possibilities and functions are clearly shown on the dial. A robust brass connection with cap nut for connecting a Ø 6 mm tube or hose ensure safe and airtight connection of the capillary line. A vent screw has now been integrated in the connector with which it is now easily possible to check the Zero position of the pointer. The measurement mechanism which is manufactured from highly stable engineering plastic is mounted separately from the instrument housing and thereby guarantees a stable Zero point and a high measuring accuracy. In addition, the instrument also houses an overpressure device and a consumption control with date indication.
UNITOP is available for use with the following liquids: Heating oil L, EL, diesel fuel, water and urea solution (AdBlue®).
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WATER LEVEL INDICATOR PASI BFK
Ideal for the measuring inside water wells, with PVC rounded cable, four-conductors, with kevlar core and external protection sheath (diam. 4.7 mm).
Available in lenghts from 30 to 500m.
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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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Innovative system for monitoring the fluid level inside atmospheric tanks. This system detects the static pressure generated by the fluid height by means of a tube and displays the fluid level up to 4 m., the volume or filling percentage. The control unit is provided with an intuitive and complete software that allows to set 2 alarm levels (SPDT) and/or activate remote alarm devices. High accuracy (+/- 1%). Very easy installation directly on the tank or at a distance up to 50 m. far.
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Enraf’s Field Display & Interface Unit (FDI) provides tank inventory information in the field, where it is needed. It is a versatile, EEx-d approved instrument with several interface options, which can even be part of W&M approved applications.
The design of the FDI is therefore based on reliable and uninterrupted data
supply in all circumstances. The unit can be used in stand alone mode using the Enraf Bi-phase Mark communication protocol for direct connection to an Enraf gauge, or any other gauge using this standard communication protocol in tank farms. The unit will interrogate the gauge and display its measured data.
To update its display in bigger installations where a remote tank inventory
system is available, the indicator listens to the communication between the field instrument and the remote system. When the communication between system and gauge fails, the FDI automatically takes over the scanning of the instrument to provide the measurement data in the field. After sensing the scanning from the system again, it returns to the original configuration.
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Self Adhesive Level Indicator Labels
Simply stick the Self Adhesive Level Indicator Label on the fire extinguisher, overlapping the calculated level. Apply heat to the label for a few seconds and see the level clearly indicated.
Standard temperature range: 0-27°C, (Purple & Blue)
Higher temperature range: 25°C - 35°C (Blue)
Sizes: 25mm x 250mm and 25mm x 500mm long.
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Contact Gauge KL 010
-Quick, simple and economic measurement of ground water level (distance to water)
-Optical and acoustic signal
-White polyethylene measuring tape with meter markings in red, cm division, dm numbering in black
-Rugged style
-Powered by four 1.5 Volt batteries (C-cells)
-Measuring tape available in lengths between 15 and 750 m (12 options)
Contact Gauge KL 010-TM
-Same features as KL 010 but with additional temperature sensor
-Measuring range -5 ... + 60 °C, resolution 0.1 °C
-Measuring tape available in lengths between 25 and 500 m (8 options)
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The SEBA-Electric Contact Meter type KLL is a portable, reliable instrument for
measuring the water level and total depth in boreholes, wells, reservoirs etc.
For the measurement the bob is lowered to the water level. When touching the level, a sensor effects the illumination of a signal lamp. On request, an additional acoustic signal will be released by a buzzer. The depth is shown on the cable in metres and centimetres. If the measurement of water level and total depth is desired, an additional ground sensor (see accessories) is adaptable. When the sensor is touching the bottom, the signal lamp is switched off. In case of very small diameter tubes, instrumentes with a probe of 10 mmdia. (not suitable for ground-sensor and sensor-cap) are available.
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