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The vertically mounted TR420 with integral signal conditioner provides a reliable 4-20 mA proportional electronic output in tank levels up to twelve feet. Available with stainless steel, polypropylene or Buna floats and a wide selection of mounting styles and materials, the TR420 can be used to input programmable controllers, meters and other digital receivers for accurate and continuous measurement in many liquid level applications. The variety of float styles and densities afford the best and most direct means for continually monitoring surface interfaces of dissimilar liquids in a single tank.
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Submersible Level Transmitters
Submersible Level Transmitter -Series PBLT2 & PBLTX
316SS Construction, ±.25% Accuracy, Lightning & Surge Protected, Intrinstically Safe
Submersible Level Transmitter -Series SBLT2 & SBLTX
316SS Construction, ±0.25% Accuracy, Lightning Protected or Intrinsically Safe
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Sensortechnics is a leading manufacturer and distributor of a wide range of sensors and fluid control devices. The product portfolio includes basic pressure sensors, rugged transmitters, submersible level sensors and customised pressure sensing systems from 1 mbar up to 1000 bar as well as liquid level sensors and switches, flow, oxygen and force sensors. Additionally, Sensortechnics offers ultrasonic air bubble, air-in-line, liquid level and fluid monitoring detectors. Fluid control devices include miniature solenoid valves, diaphragm pumps and electronic pressure controllers.
Sensortechnics has more than 25 years of experience in providing highly customised sensing products and in the development of complex integrated fluid control systems for OEM customers worldwide.
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Measurement Specialties' Ultrastable transducers are packaged for liquid level measurement. The LM series mounts externally onto a tank, and the LP series is fully submersible in water or corrosive liquids.
Description: The LM Series incorporates stainless steel and plastic isolation suitable for level sensing in water, other liquid and gas. The LM series uses a patent pending low cost stainless steel sensor in a PVC plastic fitting. The modular design is adaptable to an infinite number of plastic port variations. With high performance in a small form factor, the LM Series enables the miniaturization of high accuracy pressure and vacuum systems. The standard output is .5V to 4.5V with a 5V supply.
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The Digital E3 Modulevel® is an advanced, intrinsically safe two-wire instrument utilizing simple buoyancy principle to detect and convert liquid level changes into a stable 4–20 mA output signal. The linkage between the
level sensing element and output electronics provides a simple mechanical design and construction. The vertical in-line design of the transmitter results in low instrument weight and simplified installation. The instrument comes in a variety of configurations and pressure ratings for varied applications.
The Digital E3 Modulevel has microprocessor-based electronics with HART® compatible output, in addition to the standard 4–20 mA output. E3 supports the FDT/DTM standard and a PACTware™ PC software package allows for additional configuration and trending capabilities.
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Special features:
Reliability
Robust construction with magnetic transmission of measured values.
Wide and clear scale.
Can be used in hazardous areas (Zone 0).
Technical data:
Range: up to 6 m
Connection: up to DN100 / ANSI 4"
Nominal pressure: up to PN 320
Process temperature: -50°C ... +260°C
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- Lenght up to 6000 mm.
- Brass, St. Steel, PVC, Polypropilene, PVDF
- 5, 10, 20 mm. accuracy
- Potenziometer resistatnce output
- 4-20 mA output (on request)
- Integrated LCD dispaly on request
- Max working pressure up to 40 bar
- Max working temperature 105°C or 150°C
- Protection class IP65
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Hydrostatic level transmitters:
level transmitters types:
SGE-25, SGE-16 - analog level transmitters are applicable to measure liquid levels in tanks, deep wells or piezometers.
- measuring range from 1 up to 500mH2O
- output signal: 4-20mA, 0-10mA ( only version SGE-25), 0-2,5V (only version SGE-25).
- accuracy: 0,2%
SGE-25S, SGE-25C - analog level transmitters are applicable to measure levels of liquid containing contaminants or suspensions. A typical use for this probe is the measurement of levels of liquid waste in intermediate pumping stations, fermentation chambers.
- measuring range from 2 up to 20mH2O
- output signal: 4-20mA, 0-10mA, 0-2,5V
- accuracy: 0,5%
SGE-25.Smart, SGE-25S.Smart - smart level transmitters with output signal 4-20mA +Hart protocol.
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Hydrostatic Tank Gauging (HTG)
Enraf has been continually searching for new technologies and has developed remarkably innovative level measurement solutions tailored to your requirements. The techniques employed by Enraf tank gauging systems are complementary, yet each has its own advantage. The hydrostatic systems (HTG), which can be used in a mixed installation with SmartRadar level gauges and ATG and XTG servo gauges.
HTG is a system based on the use of intelligent hydrostatic pressure transmitters. Basically this system is designed for direct mass measurement. In the process industry, this technology is common used for deriving a level indication.
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Level measurement by hydrostatic pressure
The use of a pressure transmitter for the level measurement is an economical solution in particular for the chemical and petrochemical industries. The transmitter can be with direct or capillary mounted diaphragm seals.
These instruments can handle extreme chemical and mechanical loads and are no sensitive to electromagnetic interference. They can be used for all liquids, corrosive or not, and for closed or open tanks.
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Sitron's Hydrostatic Level Probes are specifically designed for depth/level measurements in groundwater, deep wells, water towers, rivers, sewage treatment plants and other similar applications. The Hydrostatic Level Probes are fully encapsulated and are housed in a weatherproof cylindrical enclosure. Offering a great degree of flexibility, they can be constructed with 316S.S. rigid rods or with special polyurethane, kevlar-lined, waterproof and vented cables for depth measurements.
These probes can be made with either 316 S.S. piezoresistive or ceramic cells. Their compact design enables the probes to work within pipe diameters as little as 3/4”. The 842 models are available with an electronic module within the enclosure providing a Zero/Span adjustment. All of Sitron's Hydrostatic Level Probes have a 4-20mA (2 wire) output signal and are fully temperature compensated.
FEATURES
*Simple Installation
*Fully Submersible NEMA 6P (IP68)
*Special polyurethane, Kevlar-lined and vented cables for long lengths
*Ceramic or 316 S.S. Piezoresistive cells
*Analog output 4-20mA Zero and Span adjustment
*Long term stability
*Sanitary connections available for food processing and pharmaceutical industries
*3A Approved
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-Suitable for immersion to 2000metre depth.
-Ranges up to 1000 bar.
-Stainless Steel, Monel and Hastelloy
-"Wetted" options.
-Intrinsically safe version to
-EEx ia IIC T5.
-0.15% Accuracy
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SmartScan models are 4-wire, two-part ultrasonic level transmitters with a local sensor and remote control unit. SmartScan50 is the leading model designed for harsh environments and extending a range of 12 meters. SmartScan25 is our model for coping with applications requiring 40 meter range and for Solids. Smartlite is the entry level 4-wire 2-part system for calm liquid applications.
SmartScan 50
* Reliable in highly challenging environments:
* Vapors
* Agitators
* Light foam (up to 5cm)
* Extended temperature range (-40¢Xc/90¢Xc)
* Pressure up to 5 Bar
* Ex proof
* Full PVDF sensor version
* High Accuracy (0.2% of max range)
* Perfect for waste water applications and Open Channel Flow measurements
* Models for liquid, solid and open channel flow
* Measuring range 0.4-12 meters (liquid)
* Outputs 4¡V20mA, RS-232 or RS-485
* Modbus protocol
* Five independent SPDT relays
* Embedded firmware for advanced calculations of volume and flow
totalization
* 110-240 VAC option
* Rapid response with high accuracy
SmartScan 25
* Long range applications - up to 40 meters / 131 ft
* Best fit for high process tanks, large storage vessels or dust free
solid applications
* Outputs
* 4-20 mA
* RS232 or RS485
* Read only Modbus protocol
* Five independent SPDT relays
* Embedded firmware for advanced calculations of volume and flow
totalization
Smartlite
* Cost effective 4-wire solution
* Designed for liquid applications
* Range up to 10 meters / 32 ft
* Excellent chemical resistance
* Two independent SPDT relays
* Output 4-20 mA, RS232 or RS485, read only Modbus protocol
* 110-240 VAC option
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USonic
US Series Transmitter using US-XX Series Electronics The USonic provides a non-contact Ultrasonic measurement in a 2-wire 4-20 mA, Hart output signal with internal characterizations for Open Channel Flow, Level, Distance and Volume. A 30 ft. measurement range with 0.15% accuracy. Suitable for all Class I Div. 1, Zone 0, I.S. or XP locations. SmartGain circuitry ignores most internal vessel obstructions.
USonic-R
USonic-R Series Transmitter using USR-XXXX Series Electronics USonic-R provides a non-contact Ultrasonic measurement in a 2-channel system with (2) 4-20 mA output, allows two independent non-contact measurements, or sum or differential measurements. Modbus output signal with internal characterizations for Open Channel Flow, Level, Distance and Volume. A 30 ft. measurement range with 0.15% accuracy. Wall mounted controller suitable for all Class I Div. 2, Zone 0 locations, with sensors I.S. for Class I Div. 1 locations. SmartGain circuitry ignores most internal vessel obstructions.
Universal Sonic - 505-5100 Series
505-5100 Series Transmitter using 405-5100 Series Electronics The 505-5100 Series is a Line powered Ultrasonic measurement with range to 80 ft. Suitable for all Class I Div. 1, Explosion Proof locations. Internal circuitry ignores most internal vessel obstructions.
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Model UT Ultrasonic Level Transmitter provides reliable, noncontact measurement for liquid level control in tanks and other vessels. Integral electronics generate an ultrasonic pulse which is transmitted through the air space in the tank. The pulse is reflected back to the sensor at the liquid/air interface. From the received echo, the time of flight can be calculated which is directly proportional to the distance of the liquid surface to the sensor. A continuous 4 to 20 mA output signal is generated and updated every half second. Units feature a fully adjustable zero and span, height and distance mode adjustment, lost echo LED indication, and reverse polarity protection.
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This new Greyline Transmitter displays, controls and transmits level. Mount the non-contacting ultrasonic sensor at the top of your tank, and the compact, watertight electronics/display enclosure at a convenient location nearby. Operators can calibrate the LIT25 with its 2-button Keypad, without climbing the tank. Use the built-in relay for level control or alarm, the large 4-digit display for local indication, and the isolated 4-20mA output to to transmit level to a PLC.
- Low Cost
- Large LCD Display
- Programmable Signal Relay
- Built-in 2-Key Calibrator
- Watertight, Dust tight Enclosure
- Self-Testing
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The LVU1500-LP Series Two-Wire ("Four-Wire" for four wire unit), non-contact continuous level transmitter, is easy to program, can be used in hazardous locations, and offers unique stainless steel and ¾ NPT sensors. It is a great choice for sanitary, hazardous, dirty, corrosive or high purity processes. The 4 to 20 mA output is compatible with all control systems and updates quickly making the LVU1500 Series the right choice for fast filling processes.
The LVU1500 Series is plug-andplay. Digital signal processing, and automatic temperature compensation eliminates all adjustment except zero and span. Zero and span calibration is set directly in inches using digital switches and requires no power. The rugged epoxy coated aluminum enclosure survives where plastic enclosures fail.
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Pulsar™ pulse burst radar transmitters are the latest generation of loop-powered, 24 VDC, level transmitters. It has lower power consumption, faster response time and is easier to use than most loop-powered radar transmitters and can be utilized on virtually all level measurement and control applications.
Application conditions include processes exhibiting varying specific gravity and dielectric, visible vapors, high fill/empty rates, turbulence, low to moderate foam and buildup.
Pulsar features IS, XP and Non-Incendive approvals, HART® digital communications, 5.8 or 6.3 GHz operating frequency and embedded software enabling configuration without the need for another device such as a PC.
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Radar measurement technology is non-contacting and low maintenance. Because microwaves require no carrier medium, they are virtually unaffected by the process atmosphere (vapour, pressure, dust or temperature extremes). Siemens Milltronics offers a choice of models to meet the specific needs of your application.
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Siemens ultrasonic level measurement products are the cost-effective choice for monitoring and control in short- to long-range applications for liquids, slurries, and solids in a wide range of industries. Non-contacting technology offers low maintenance advantages. Siemens is the world leader in ultrasonic level measurement technology, with many models available and strong application experience to support you.
Ultrasonic Transmitters
Ultrasonic Transmitters provide easy-to-use continuous measurement. These transmitters offer superior reliability for level, volume, and flow applications in the water and wastewater, food, and chemical industries.
Controllers
Extensive product range from simple single-channel controllers to versatile systems for the monitoring of ten measuring points.
Transducers
Wide range of transducers with various measuring ranges, applications, and process connections
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