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Level Measurements
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Access Instrumentation is able to supply a range of level measurement equipment from various manufacturers selecting from ultrasonic, capacitance and radar principals to best suit your application requirements. We are also able to provide automatic continuous level gauging, temperature monitoring, and density measuring of liquid media including LNG, propane, butane, ethane, or any similar cryogenic media with the Scientific Instruments Tank Gauging System.
Pulsar IMP Ultrasonic Level Probe |
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The IMP from Pulsar is non-contacting ultrasonic level measurement without compromise. The all-in-one self-contained units have the benefit of digital echo processing specially designed for IMP. IMP can be programmed via the integral keypad or using IMP PC, IMP's specially designed software.
IMP is available in 3m, 6m and 10m versions, and each unit is configurable either as a 2 or 3 wire device.
IMP is also available as an Intrinsically Safe (I.S.) unit, with a distinctive black cap instead of green, meeting ATEX EEx ia IIC T4 and IECEx.
- Compact low-profile self contained intelligent level measurement
- Calibration without compromising IP rating
- Small 1.5" entry thread (2" on 10m version)
- Simple menu set-up
- High acoustic power with narrow beam angles
- 125mm deadband on 3m version
- Agitator avoidance as standard
Downloadable Files
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Siemens SITRANS Probe LU Ultrasonic Level Measurement |
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The Siemens SITRANS Probe LU is a 2-wire loop powered ultrasonic transmitter for level, volume and flow monitoring of liquids in storage vessels, simple process vessels and in open channel flow measurement. The operating range of the Siemens SITRANS Probe LU is either 6 or 12 meters and the unit is also equipped with Auto False-Echo Suppression for fixed obstruction avoidance. The Probe LU offers two communications options, HART or PROFIBUS PA (Profile version 3.0, Class B). The transducer of the Probe LU is available with either ETFE or PVDF materials to suit different process conditions. For applications with varying material and process temperatures, the Probe LU also incorporates an internal temperature sensor to compensate for any temperature changes. Applications include: chemical storage vessels, filter beds, and liquid storage vessels.
- Continuous level measurement up to 12 m (40 ft) range
- Easy installation and simple start-up
- Programming using infrared intrinsically safe handheld programmer, SIMATIC PDM or HART® Communicator
- Communication using HART or PROFIBUS PA
- ETFE or PVDF transducers for chemical compatibility
- Auto False-Echo Suppression for fixed obstruction avoidance
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Pulsar Ultra 3 & Ultra 5 Ultrasonic Level System |
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The Pulsar Ultra 3 and 5 represents the leading edge of ultrasonic level measurement and control. Sophisticated, full function controllers with either 3 (Ultra 3) or 5 (Ultra 5) control/alarm relays. With wall, fascia, panel or rack mount, Ultra 3 and 5 units provide large displays with intuitive and straightforward menu programming. An Ultra system consists of a control unit and a transducer, which may be positioned up to 500 metres away. Both Ultra 3 and Ultra 5 have the option of bus type digital communications and data logging, coupled with the dB series of transducers measurement ranges from as little as 75mm right through to 40metres on solids or liquids are available.
- Pump Control
- Level and Volume Measurement
- Open Channel Flow
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Pulsar Blackbox Ultrasonic Level system |
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Deceptively simple, the Pulsar blackbox range includes all the echo processing sophistication of the Pulsar Ultra range, but without the display and on-board programming capabilities that are unnecessary in a distributed control environment. Programmed by a hand-held calibrator or from a personal computer, blackbox allows engineers to select the output to suit the application. The blackbox range also includes blackbox CSO, a dc powered data logging device specifically for monitoring Combined Sewer Overflows. The blackbox units can be teamed with any of the dB transducers, making a 125mm to 40m measurement ranges available.
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Pulsar dB Ultrasonic Transducers |
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Pulsar's innovative dB range of transducers has taken ultrasonic level measurement into a new era. Unlike the high voltage, frequency dependent transducers of other manufacturers, which require special, protected interconnect cables, or low powered transducers built with intrinsic safety rather than performance in mind, the dB series combines low electrical power that meets intrinsic safety requirements with extraordinary high sonic power to give range and performance. Short blanking distances and narrow beam angles improve performance, especially when the signals are being analysed by Pulsar's DATEM software. Options are available for cable mounting, flange mountings and hygienic fittings, and an aiming kit is available for solids measurement applications. dB transducers are teamed with any of Pulsar's Ultra or blackbox ranges of control units to provide fantastic versatility, whatever the application.
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Siemens MultiRanger Ultrasonic Level Monitor/ Controller |
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The Siemens MultiRanger is a versatile short to medium-range ultrasonic single and multi-vessel level monitor/controller for virtually any application in a wide range of industries. MultiRanger can be used on different materials, including fuel oil, municipal waste, acids, and woodchips or on materials with high angles of repose. The Siemens MultiRanger offers true dual point monitoring, digital communications with built-in Modbus RTU via RS-485, as well as compatibility with SIMATIC PDM, allowing PC configuration and setup. The Siemens MultiRanger 100 offers cost-effective level alarming, as well as on/off and alternating pump control. The Siemens MultiRanger 200 will monitor open channel flow and features more advanced relay alarming and pump control functions as well as volume conversion. Applications include: wet wells, flumes/weirs, bar screen control, hoppers, chemical storage, liquid storage, crusher bins, and dry solids storage.
- Digital input for back-up level override from point level device
- Communication using built-in Modbus RTU via RS-485
- Single or dual point level monitoring
- Auto False-Echo Suppression for fixed obstruction avoidance
- Wall and panel mounting options
Downloadable Files
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Endress+ Hauser Capacitance Level Measurement |
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Capacitance level systems provide level detection in applications with liquids, solids, slurries and interfaces providing effective measurement solutions in a wide range of processes.
A broad range of configurations is available from Endress+Hauser including rigid rod, flexible cable, and sanitary units to suit many and varies applications.
- Water and waste water
- Chemical and pharmaceutical industries
- Food and beverage industry
The Endress+Hauser Liquicap T is particularly suited to small measuring ranges, cistern measurements and aggressive liquids such as acids and alkalis. Measurement is made independent of the tank material (plastic, stainless steel or concrete) or the tank shape. Liquicap T is an ideal solution for inventorying material and optimising logistics (inventory control). No calibration is necessary as the unit is preconfigured from factory 0 %...100 % according to probe length ordered.
The Endress & Hauser Liquicap M compact transmitter is used for the continuous level measurement of liquids. From a conductivity of 100µs/cm, the measurement is independent of the value for the Dielectric constant (DK) of the liquid. As a result fluctuations in DK do not affect the measured value. The probes leave the factory calibrated to the ordered probe length (0 %...100 %) thereby facilitating easy and rapid commissioning. Other benefits include:
- Suitable for interface measurement
- Material in contact with the process made of corrosion-resistant material and FDA-listed materials for wetted parts, Short measured value reaction time, 0.3 sec
- No need for recalibration after replacing electronics
- Automatic self monitoring of electronics
- Build up compensation
- Various process connections available, also suitable for hygienic applications
The Endress+Hauser Multicap DC Probes are designed for continuous level measurement and limit detection, primarily in liquids. The DC 11 and DC 16 rod probes are also suitable for use in light bulk solids. The probe rod or rope and associated insulation are made of corrosion-resistant materials able to withstand extremely aggressive products. The tried-and-tested rugged construction is gas-tight for pressures from vacuum to 100 bar. Seal and insulation materials enable probes to be used at operating temperatures in the vessel of -80 °C to +200 °C.
- Probes have universal use with versions for a wide range of applications
- Reliable function even with condensation
- Active build-up compensation for limit detection
- Accurate switch point
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Endress+Hauser Radar Level Measurement |
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Unaffected by changes of product, temperature gradients, inert gas blankets or vapours the high accuracy Endress+Hauser Microwave Level Transmitters are suitable for non-contact measurement of liquids, pastes, and slurries.
Applications include storage tanks, buffer tanks and stilling wells.
- Water and waste water
- Chemical and pharmaceutical industries
- Food and beverage industry
The Endress+Hauser Micropilot M Radar Level Probe is used for continuous, non-contact level measurement of liquids, pastes, and slurries. Offering a real alternative to differential pressure, floats and displacers the 2-wire technology and non-contact installation reduces wiring costs and allows easy implementation into existing systems. The Micropilot M Series provides an easy on-site operation via a menu-driven alphanumeric display and ease of commissioning, documentation and diagnostics via operating software ToF Tool. HART or PROFIBUS PA FOUNDATION Fieldbus protocol is also available. The Micropilot M Series is suitable for use in safety related systems for overspill protection with requirements for functional safety up to SIL 2 in accordance to IEC 61508/IEC 61511-1.
The Endress+Hauser Micropilot S Radar Level Probe is used for highly accurate level measurement in storage tanks, 0.5mm accuracy (2s value), and can be applied in custody transfer applications. The probe meets the relevant requirements according to OIML R85 and API 3.1B and has Nmi & PTB approvals. The Micropilot S can be used as a stand-alone level system or tied into tank gauging systems via the Tank Side Monitor NRF590. Offering a cost-effective and simple installation via 4-wire cable with HART and 24 V DC intrinsically safe power supply, along with a gas-tight process connection standard for any antenna version. The Micropilot S is also available as an Inventory Control Version with reduced accuracy (3 mm) and is available for all instrument types.
The Endress+Hauser Levelflex M performs continuous level measurement of powdery to granular bulk solids and liquids e.g. plastic granulate. Probes are available with threaded process connections from ¾" and flanges from DN40 / 1½". Measurement is made independent of density, temperature, dust, or with foam present on the surface. Rope probes are available and are suitable for solid or liquid measurement and come with HART as standard with options for PROFIBUS-PA Foundation Fieldbus. Combined with a simple, menu-guided on-site operation with four-line plain text display and envelope curves the on-site display provides for simple diagnosis, easy operation and diagnosis.
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Endress NRF590 Tank Side Monitor |
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The Endress+Hauser Tank Side Monitor NRF590 is a sensor integration monitoring unit for bulk storage tank gauging applications. It can be used with the Endress+Hauser Micropilot M and Micropilot S-series radar level probes as well as combined with other HART compatible devices and tank sensors.
Mounted at the tank side, the NRF590 provides indication of measured data, allows configuration and supplies intrinsically safe power to the connected Micropilot sensors on the tank. Various industry standard digital gauging communication protocols are supported to allow integration into open architecture tank gauging and inventory systems and also provides communication to PLC, DCS and SCADA systems. The tank side monitor can connect up to 6 HART devices via intrinsically safe 2 wire connections including Endress+Hauser NMT535 for average temperature measurement and Endress+Hauser Cerabar/Deltabar pressure for HTMS density applications. The NRF590 Tank Side Monitor also provides indication via a backlit graphical LCD display with operation via 3 optical, touch control, keys.
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Scientific Instruments Liquefied Gas Gauging System |
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The Scientific Instruments Inc. Model 6290 Tank Gauging System is capable of providing automatic continuous level gauging, temperature monitoring, and density measurement of liquid media. These measurements are achieved by means of a PC-based control unit and an electromechanical drive mechanism, which operates as a unit to position a multi-sensor probe assembly suspended within the liquid storage tank. The system can accommodate LNG, propane, butane, ethane, or any similar cryogenic media. The probe is moved vertically by the drive mechanism in response to commands generated by the control unit. Both automatic and manual control of the probe assembly is incorporated into the system design. All system components, which are located inside the tank, can be completely removed from the tank for inspection and/or maintenance at any time. Probe position, temperature and density readings are displayed continuously to the operator at the control unit via an alphanumeric display.
Downloadable Files
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