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BinMaster’s capacitance sensors are used for high and low level detection in bins, silos, tanks, hoppers, chutes and other vessels used for material storage or process manufacturing. They operate by detecting the presence or absence of material in contact with the probe by sensing minute changes (as low as 0.5 pF) in capacitance caused by the difference in the dielectric constant of the material versus the air. Class II hazardous location ratings and a wide assortment of probes and extensions make these capacitance probes appropriate for a variety of solid, liquid and slurry materials.
BinMaster capacitance probes provide interference-free operation – working far below the RF level of 9 KHz at just 6 KHz. – and will not interfere with two-way radios or other equipment operating in the radio spectrum. They feature simple “quick set” calibration and fail-safe operation including a visual LED to indicate sensor status. Accurate level detection is assured even in dusty, sticky or clinging materials by the PRO-Shield feature which compensates for material build up on the sensing probe. They provide fail-safe protection in the event of a power failure as well as an adjustable time delay to help prevent false readings.
Standard models include the PROCAP I & II. For hazardous locations, the PROCAP IX & IIX feature CSA Class I, Groups C & D and Class II, Groups E, F & G ratings. The PROCAP I 3-A & II 3-A meet rigorous USDA, FDA and 3-A material & design standards for sanitary food and dairy processing. The PROCAP I-FL & II-FL offer “no probe intrusion” and are designed for space constrained areas or applications where material flow or bridging may damage a standard probe.
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LEVEL LIMIT VALUE
- capacitive level switches for liquids and bulks, lateral
and vertical installation, PNP exit, also for aggressive media, also for
strongly got dirty suitably.
- opto-electronic level switches made of high-grade steel for liquids, that
lateral and vertical installation, PNP exit, remarks for high
Temperatures and pressures, hygenic applications
- Float switches from high-grade steel and plastic one, for lateral and
vertical installation, switching contacts reed switches, up to 4 switching points,
customized remarks
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Pointek CLS 100
Compact 2-wire inverse frequency shift capacitance switch for level detection in constricted spaces, interfaces, solids, liquids, slurries and foam.
Pointek CLS 200
A versatile inverse frequency shift capacitance level switch with optional rod/cable choices and configurable output, ideal for detection of liquids, solids, slurries, foam and interfaces.; digital version (with optional PROFIBUS PA) includes a display and provides additional diagnostic features.
Pointek CLS 300
Inverse frequency shift capacitance level switch with optional rod/cable choices and configurable output. It is ideal for detecting liquids, solids, slurries, foam and interfaces in demanding conditions where high pressure and temperatures are present; digital version (with optional PROFIBUS PA) includes a display and provides additional diagnostic features.
Pointek CLS 500
Inverse frequency shift capacitance level switch for detecting interfaces, solids, liquids, toxic and aggressive chemicals in critical conditions of high temperature and pressure; HART communications for remote commissioning.
Pointek ULS 200
Ultrasonic non-contacting switch with two switch points for level detection of bulk solids, liquids and slurries in a wide variety of industries.
SITRANS LPS200
Rotating switch that detects high, low and demand conditions for bulk solids.
SITRANS LVS200
vibrating point level switch with unique robust tine design, for use on bulk solids.
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The SC700 series are capacitance point level switches ideal for detection or control of liquids, solids, heavy pastes or slurries. Unlike other capacitance probes, the SC700 works for any type of conductive, non-conductive or low dielectric materials with extremely accurate performance, almost complete immunity from build up, temperature changes or condensation. The rigid rod is made with a strong and durable plastic (polyacethal delrin) for standard units or upon request the rod can be made with PTFE.
Features
*Simple to install & low in cost
*No moving parts-maintenance free reliability
*AC, DC or a Universal power supply version
*Extended versions available with rigid rod or cable
*Operating temperatures 14 to 200ºF (-10 to 95ºC)
*Maximum pressure of 725PSI (50 bar) up to 8000PSI upon request.
*Sensitivity as well as Time Delay adjustments
*Does not require an external reference in plastic or concrete vessels
*Available in threaded, sanitary and flanged process connections
*3A approved
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The LS provides level verification for a variety challenging sanitary applications. Minimally invasive, the LS is designed for both tank level detection and pipeline product monitoring. Suitable for many water-based fluids, the LS also detects minimally conductive and viscous or foamy media. Standard with a PNP transistorized output the LS easily wires directly to a PLC and is available with a LED for local level indication.
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This instrument is suitable for controlling the level of a large
number of electrically conductive liquids (water, chemical solutions
and solid conductive materials) and can be used in the chemical
textile and wine making industries as well as civil and industrial,
plants irrigation and water treatment.
-Supply voltage: 110/220 Vac (CL1001/U type)
-Supply voltage: 24-110-220 Vac (CL1001/0 type)
-Relay output with 1 pole changeover 5A to 220 Vac
-Sensitivity adjustment from 2 to 40 Kohm (higher upon request)
-Plastic housing with OCTAL or UNDECAL plug
-Type CL1001-R5 with wave delay
-Type CL1002 with relay output 2 pole changeover 5A to 220 Vac
-Led incorporated
-Detector CL1N is used for level control of wells and tanks
-Detector CL-A with stainless steel and teflon housing for high
pressure and high temperature applications (boilers, autoclaves).
These can be supplied with standard electrode lengths
100/500/1000 mm.
-Two pole detector type CLK-A with stainless steel body supported
by a teflon coated element provided with a three pole connector
for the electrical connection, two poles are connected to the
electrode and the third earth pole is connected to the thread
stainless steel holder.
-Three pole detector CL3-A with plug for three electrodes
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Conductive level probes NS.../NT...
A simple solution to check the level
Specifications of the standard materials :
PTFE compound, stainless steel, hastelloy or titanium
Available with 2 to 5 rods for detection of 1 to 4 different levels and with or without an integrated température sensor
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Sitron´s line of Conductive Level Switches offer a wide range of customized options to meet any application's need. CL models are designed to control the level of all conductive liquid mediums with up multiple points of level detection. Models are available with Fixed rigid rods, Removable rigid rods, or with Pendular electrodes attached to the housing with cables. Applications involve both alarm point level detection as well as on/off pump valve control. Like all of Sitron's products, the series of Conductive Level Switches feature easy installation and maintenance free reliability.
Models:
Sitron has several types of conductive switches:
*The CLF has fixed rods and is available with up to five points (or more upon request) of level detection and control.
*The CLR has removable rods designed for easy handling and installation and is also available with up to five points (or more upon request) of level detection and control.
*The CLP has pendular electrodes designed for deep well or tank applications and is also available with up to five points (or more upon request) of level detection and control.
*The CLE is a single pendular electrode without the enclosure or the process connection.
These models are all used along with a (BS16 or CN16D) external controller .
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Conductive level sensor
Fields: Chemical and Petrochemical Industry
Food and Beverage Industry
Pharmaceutical and Biotechnical Industry
- Wetted parts in acid-proof, stainless steel and PEEK
- Compact, food compatible, hygienic design
- 3A approval/FDA and EHEDG compliant
- Precise switching point without calibration
- Process temperature -20...85°C
- Measures alternating media
- Not influenced by foam
- LED level monitor
- Maintenance free
- Ex nA II T5, ATEX II 3G
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- For heavy-duty
- Connection cable with the length of 3m or as required
- 1 - 7 electrodes
- Case moduled
- Protection class IP 68
- Electric interface through a factory mounted cord with numbered wires
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Electrodes are based on a conductive measurement principle, which queries the level conditions with a smallest signal current punctually. Ideally for roughly gotten dirty media or confine space conditions.
Function possibilities
- Level switch function
- Up to 6 switch points
- for dirty liquids
- Up to 135°C working temperature
- Up to 100 bar working pressure
- Strong applictions
- Maintenance free
- Smallest switching gaps realizable
- Sensitifity max. 1000 Kohm
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Level Switch applications are found in all types of production, including the food indutry, for monitoring one or more high/low levels on fluids or bulk material.
This is applicable on all kinds of vessels e.g.:
storage tanks
hot product bunkers
stirrer vessels cyclones
sluices
feeder chutes etc.
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The microwaves detector detects the level in a hopper or a clogging product and is any without contact with the product. In electronics off-set or integrated, the microwaves detector is composed two of units separated: the transmitter and the receiver. Particularly used in binding applications: very high temperature (until 900°C/1652°F), high granulometry, obstruction, abrasive environments... This product does not require any authorization or specific training. Moreover, it’s without danger for man ; that why it’s one excellent alternative to the radioactive probes.
Our strong experience in bulk solid market enables us to propose you the most adapted solution for your application. Please Do not hesitate to contact us.
Technical data:
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Material temperature: -30°C (-22°F) to 65°C (140°F)
Material grain size: All
Ambient temperature: -30°C (-22°F) to 65°C (140°F)
Ingress protection : P 67
Power supply: 110/230 VAC or 24 VDC
In Option:
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Material temperature: until 900°C (1652°F)
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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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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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The LL series Liquid Level Sensor uses an optoschmitt trigger which provides a digital output that indicates the presence or absence of liquid. These components require user supplied external circuit protection.
The LLN series Industrial Liquid Level sensors are designed for harsh industrial environments with extremes in temperature, pressure, vibration, and shock. The LLN series are sealed to meet IP67 and have reverse polarity and overvoltage protection. Housed in stainless-steel, the LLN series has long life and is easy to clean. The LLN series terminates using industry standard Quick-connect connectors.
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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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- Standard
A basic range of optical level sensor manufactured in polysulphone - compatible with a wide range of materials.
- High Performance
High reliability in aggressive environments makes the High Performance range the ideal product for truck and off road applications.
- Optimax
Optimax is the sensor of choice for high volume users where high volumes demand costeffectiveness.
- Probe Style
Mainly used in the automotive sector, these sensors can be supplied with a variety of probe lengths, connector types and are manufactured to AS standards.
- TS Series
The PTC characteristics of the Thermistor make this liquid level sensor sensitive to change in the medium.
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Optoelectronic level sensor
The optoelectronic Senlux Besta level sensors are used for the level monitoring of liquids. Depending on the medium they can be installed as a position-insensitive system.
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Limit Switch for detecting the level of liquid media
Application area: Refrigeration
OPG 04
Characteristics:
Compact construction Long service life
No moving parts Measuring accuracy ± 0,5 mm
Reasonable prices Simple to install
Electrical connection: cable connection or plug
Optical switch condition check via the LED
Mounting direction: any Output PNP
High reliability Pressure 4 MPa, optional also higher pressure
Adjustable sensitivity for any application Glass fused in the steel body (without sealing)
Operating Principle:
The electro-optic sensor contains an infrared LED and a light receiver. Light from the LED is directed into a prism which forms the tip of the sensor. With no liquid present, light from the LED is reflected within the prism to the receiver. When rising liquid immerses the prism, the light is refracted out into the liquid, leaving little or no light reach the receiver. Sensing this change, the receiver actuates electronic switching within the unit to operate an external alarm or control circuit.
Areas of Application:
The opto electronic level switches OPG04 are used for monitoring the level of liquids. Applications include plants in the refrigeration.
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Applications :
- Detection of high, intermediate or low level
- For all products and silos
Advantages :
- All types of storage vessels
- No moving part
- Easy to install
- Adjustable sensitivity
- Detection of sticky and clogging products
- Adjustable time delay from 0 -1 hour
- Multiple probe lengths
- Maximum working pressure : 10 bars
- High temperature version : 200°C
- Stainless steel probe and teflon insulation
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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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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
-40°C...+140°C. A particular device version of the SONOCONTROL 15 is also available for the use in hazardous areas.
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Level switches: conductive, capacitance, optical, ultrasonic level switches...
