Carlo Gavazzi Level Products

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Carlo Gavazzi comprehensive range of level detection products is well suited to solve most level control applications. Our range is able to detect conductive and non-conductive liquids, granulates, grains, and plastics.

We offer level sensors and level control relays for both on/off control and continuous monitoring of levels. We offer conductive probes and amplifiers, capacitive level sensors, ultrasonic sensors, magnetic level probes, and optical sensors.

Typical applications are for level control in wells and municipal water systems, protection of pumps, levels in grain elevators and feed conveyors, and level detection in vacuum delivery systems in the plastics industry.

Probe Assemblies and Amplifiers for monitoring levels of conductive liquids.

The sensors are delivered with standard length electrodes - these are cut off to suit the application. The teflon housing makes the sensor excel- lent for use in rough environments.Level sensor for measuring the level of conductive li- quids, i.e. max./min. control of charging for discharging. The function is determined by the amplifier relay used.

Excellent resistance to chemicals • Teflon housing • 1 to 4 electrodes • Isolated (teflon) or unisolated electrodes • Cable connection

• 1 1/2” pipe thread according to ISO 228/1-Gx”

Capacitive Probes and Amplifiers for monitoring levels of feeds, grains, and granular materials.

Capacitive level sensor for solids, fluids or granulated substances

• Polyester types, smooth or with 1 1/2” pipe thread • Teflon type with 1 1/2” pipe thread for rough

environments • For use with amplifier SV 150/250 or SV 160/260

Optical Probes and Amplifiers for monitoring levels of conductive or non-conductive liquids.

Optical level probe with modulated infrared light for detection of liquids. Self- contained unit has built-in amplifier. Separate transmitting and receiving elements

sealed behind the tip. Designed for direct mounting through the wall of a tank. The polysulphone tip is especially resistant to most acids and bases.

• Modulated light • Built-in amplifier • Output: NPN or PNP, 4-wire (NO & NC) • Housing: Stainless steel or nickel plated brass • Tip: Polysulphone or glass • High chemical resistance to most acids and bases • Liquid and electrical circuit completely isolated • Power supply: DC models 10 to 40 VDC

VPA1MNA VPA2MNA VPB1MNA VPB2MNA

VPA1MNA-1 VPA2MNA-1 VPB1MNA-1 VPB2MNA-1

VPA1MPA VPA2MPA VPB1MPA VPB2MPA

VPA1MPA-1 VPA2MPA-1 VPB1MPA-1 VPB2MPA-1

VP02E VP04E

VP01E VP03E

VP02EP VP04EP

VP01EP VP03EP

18mm, 30mm, and block style ultrasonic sensors with transistor or analogue output.

A self-contained multi function diffuse ultrasonic sensor with a sensing range of 600 to 6000 mm. The analog output is easily set up in 2 setpoints, pos./neg. slope and adjusted by teach-in - makes it ideal for level con- trol tasks in a wide variety of vessels. A sturdy one-piece ABS housing provides the

perfect packaging for the sofisticated microprocessor controlled and digitally filtered sensor electronics. Excellent EMC performance and precision are typical features of this sensor based on true distance measurement.

Square 80 mm ABS housing • Sensing distance: 600 - 6000 mm • Remote Teach by wire • Outputs: Analog 0-10 V or 4-20 mA • Setup of positive or negative slope • Power supply: 15 to 30 VDC • 8° beam angle • Protection: Short-circuit, reverse polarity, transients • Protection degree IP 65 • M12 plug, 5 pin

UC80CND60AGM1TR

UC80CND60AKM1TR

UA18CLD05AKM1TR UA18CLD05AKTR

UA18CLD05AGM1TR UA18CLD05AGTR

UA18CLD08AKM1TR UA18CLD08AKTR

UA18CLD08AGM1TR UA18CLD08AGTR

UA18CLD20AKM1TR UA18CLD20AKTR

UA18CLD20AGM1TR UA18CLD20AGTR

UA30CLD35AKM1TR UA30CLD35AKTR

UA30CLD35AGM1TR UA30CLD35AGTR

Level Switches in various housing styles and materials.

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Penberthy Magnetic Level Gages

Penberthy's MULTIVIEW™ Magnetic Liquid Level Gages can be built to serve practically any process industry situation. From the simplest operation to the most severe, corrosive environment, Penberthy can construct a system to best suit your company’s requirements. As pioneers in magnetic gage level indication and as creators of the unique concentric magnet design, Penberthy has the expertise to know what design, specifications and options best fit any given application. Contact a Penberthy representative to discuss specific duty requirements in your operation.

MULTIVIEW™ Magnetic Liquid Level Gages utilize a communicating chamber constructed of 2-1/2" pipe which is connected to the process tank with either side or end connections. A float with a self-enclosed magnet is custom sized and weighted to float at the surface of the process liquid to be monitored. The float is then installed in the communicating chamber.

The industry-unique concentric magnet in MULTIVIEW™ gages provides a more consistent magnetic field than conventional magnet designs.

Construction Materials AvailablePenberthy offers a wide range of materials, including:

304/304L STS
316/316L STS
Alloy-20
Monel
Titanium
Hastelloy-C
PVC
CPVC
PVDF
Tefzel® Lined
Halar® Lined

Typical Process Applications
Sodium Hypochlorite
Boiler Feedwater Tank
Hydrochloric Acid
Stop Oil
LPG
Interface
Dowtherm®
Sulfuric Acid
Hydrogen Sulfide
Oil/Water Separator
Sodium Hydroxide
Liquid Nitrogen
Flare Drums
Phosgene
Jet Fuel
Molten Sulfur
Sour Oil
Diesel Fuel
Deionized Water
Sumps
Freon
Liquid Ethylene
Water
Underground Storage
Benzene
Asphalt Settler
Acetic Acid
Liquids & Slurries

Follower Style Indicator

In MG Follower-Type models, the unit consists of a hermetically-sealed tube in a protective view housing. Within this tube is a gold anodized aluminum follower which will mirror level changes in the process tank. This entire assembly is attached to the communicating chamber where the follower is magnetically coupled with the float. Because the follower and float are magnetically linked, liquid level changes in the process tank will cause both float and follower to rise and fall in unison. The result is a precise indication of the liquid level within the vessel.

Flag Style Indicator

MG Flag-Type monitors provide a more secure link between the indicator and float. The view housing is sealed and consists of a single column assembly of aluminum flags within an extruded aluminum channel. These flags are anodized with black on one side and gold on the other. Each flag houses a small magnet and is assembled on a single, individual axle. As the float in the communicating chamber rises and falls, the magnetic interaction between float and flag magnets cause the flags to rotate 180°. These changes are shown through contrasting colors – black above and gold below the liquid level.

To insure trouble-free operation, Penberthy's flags are magnetically interlocked and utilize mechanical stops. This prevents over-rotation. Penberthy's redundant axle system prevents binding, with each flag allowed to rotate on the axle and each axle free to rotate in the channel. This method of indication is always accurate, regardless of the speed of process level change or vibration.

Switches can be added to the level gage for point level control.

MGS Switches provide non-intrusive point-level control and contain no mercury. They allow you to be environmentally safe without sacrificing accuracy.

MGS-314: SPDT 5A service

MGS-314D: DPDT 10A service

MGS-314L: SPDT 1A service used with standard MULTIVIEW?

MGS-314M: SPDT 1A service used with either TMMG (Top Mount Magnetic Gage) or MMG (Mini Magnetic Gage)

Transmitters can be added for continuous level control.

MGT Transmitters provide continuous level indication to remote locations via 4 to 20 mA loop-powered operation.

MGT-362: A reed switch based unit available in integral and remote mounting styles

MGT-362B or C: An in-tank reed switch based unit. The MGT-362B is an NPT-mounted assembly. The MGT-362C is a flange-mounted assembly. Both are available in integral or remote mounting styles.

MGT-367: A magnetostrictive transmitter available with or without Hart protocol.

Please visit our web site and fill our our Penberthy form for more information.