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VITO temperature measurement systems for gauging temperature and volume
Anybody that wishes to determine the quantity of product present in bulk storage tanks manufacturers has to take the product temperature into account. After all, temperature is a determining factor for the volume and hence the density of a product. ENRAF offers a comprehensive line of products for accurate temperature measurement. That line ranges from single spot industrial temperature probes to the advanced VITO 16 element multiple thermosensor professional thermometer (MTT) for temperature and volume measurement.
Virtually the entire range is equipped with ENRAF’s well-known VITO interface, which guarantees faultless communication with level gauging systems based on radar or servo technology. The gauging systems can easily be provided with an additional functionality for water bottom measurement. In that way the number of instruments and components in and on the professional tank is kept to a minimum.
Temperature gauging systems by ENRAF stand out by their reliability and robust design. That assures you not only of high measurement accuracy but also of minimal maintenance cost. Add to that their flexibility and simplicity of installation and you will understand just why so many companies benefit from ENRAF temperature gauges. |
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- Monitor water or chemical solution temperature in cooling tower sumps and storage tanks suppliers
- True continuous averaging sensor eliminates errors due to temperature stratification
- Stainless steel case is rugged and impervious to most chemicals
- Bend or manipulate the probe to accommodate a variety of sump and tank designs
- You can specify the overall probe length and the length of the temperature sensitive zone to fully immerse the sensitive zone in liquid
- NEMA 4 weatherproof connection head
- Optional 4 to 20 mA manufacturer of temperature transmitter
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Our new temperature sensor range have been designed to suit all your need in temperature...
3 new ranges for any industry, process, building services, indoor climate, OEM...
Monostats : from 0 to +50°C, from -20 to +80°C, from -50 to +400°C, probes : Pt100 input on manufacturer of terminal block, air tight and ambient and 1 RCR relay 3A/230 Vac.
Classe 50 : de +10 à +40°C et de -20 à +80°C, probes : terminal block, ambient or air tight, Pt100 3 wires output
Classe 100 : 0 to +50°C, -20 to +80°C, -50 to +50°C, 0 to +100°C, 0 to +200°C, 0 to +300°C, 0 to +400°C
, probes : duct mount, terminal block, ambient or air tight, 4-20mA ou 0-10V output. |
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| The Conax Model PTH-400 is a small PC-programmable 2-wire professional transmitter, featuring a state of the art microprocessor based design which enables full configuration with user friendly configuration software. |
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The Omnigrad range of Temperature Products from Endress Hauser meets the high standards required by the process industry.
Omnigrad provides Endress Hauser quality in design, documentation, logistics and service in Manufacturer of temperature sensors.
A Resistance Temperature Detector (RTD) is a temperature responsive device based on a predictable resistance change in the sensing element.
The EN 60751 standard specifies requirements for industrial Platinum resistance sensors and covers the Pt 100 professional thermometers.
The Pt 100 sensing element has a resistance of 100 Ohms at 0°C.
According to EN standard and most common industrial applications, the Pt 100 type sensors are used for temperature metering and control in the range from -50°C to 400°C or -200°C to 600°C.
RTDs offer three main advantages:
high accuracy
excellent long-term stability
high signal output level which allows transmission over long distances without ancillary equipment.
Basic construction of Platinum resistance elements cannot be used directly in contact with process environments, hence the complete thermometers are built as assemblies which can withstand light, medium and heavy duty industrial conditions.
In general, the sensor assembly includes three components:
the resistance thermometer inset
the protecting tube (thermowell)
the terminal housing.
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FRC temperature transmitter
- Programmable temperature professional transmitter,
- Available for head or field mounting with aluminium or stainless steel housings,
(NEMA 4X - IP65 protection, 2'' pipe or wall mounting),
- Universal input : voltage (mV, V), supplier of thermocouple and RTD,
- Input - output isolated,
- HartTM communication in standard,
- Intrinsically and explosion-proof approvals (option),
- Intrinsically housing : ATEX (II 1G, EEx ia IIC ; T4, T5 et T6) or FM,
- Flameproof housing : ATEX (II 2G, EEx d IIC ; T4, T5 et T6) or FM,
- Sensor burnout function,
- Plug-in two-line LCD display (option),
- HartTM Communication capability: Full range programming via hand-held communicator or via PC HartTM software,
- Self diagnostics.
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Features
Input signal : mVCVCmACThermocoupleCRTD or Ohm
Accuracy: }0.3% F.S. or }1digit
Loop power: 12`32 Vdc
4 digit LCD display
Temperature rage adjustable by PC or key pad.
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Professional transmitters, Temperature
Honeywell's industrial temperature transmitters meet a broad range of temperature measurement needs with exceptional reliability, accuracy and stability with the industry's best warranty.
MC Toolkit
The Honeywell MC Toolkit Configurator is a Pocket PC-based engineering and maintenance tool for configuring, monitoring, diagnosing and managing smart field instruments/devices.
Smart Field Communicator
The handheld Smart Field Communicator (SFC) is a battery-powered device which establishes secure two-way communications between Honeywell Smart Transmitters and the user over the existing signal lines. It is extremely useful for simplifying maintenance by providing access to field devices without a trip to the field.
Smartline Configuration Toolkit
Honeywell's Smartline Configuration Toolkit (SCT 3000) is an engineering and maintenance tool designed to complement the Honeywell Smart Field Communicator. The SCT 3000 allows easy access to all Smartline configuration database parameters using Windows technology.
STT170 Smart Temp
The Honeywell STT170 series of programmable temperature transmitters provides cost-effective solutions for temperature monitoring applications. Compared to direct-wired temperature sensor monitoring points, STT170 transmitters deliver increased accuracy, safety and reliability while reducing wiring costs.
STT17C Configuration Toolkit
The STT17C includes all software and interface hardware necessary to configure the STT171, STT173 and STT17H transmitters in non-hazardous work environments.
STT250 Smart Temp
Honeywell's STT250 offers competitive performance in a more compact module and with a wider range of smart communications protocols. STT250 can be supplied complete with thermocouple or RTD sensors and with any of a wide range of thermowells.
STT350 Smart Temp
STT350 is Honeywell's high-performance smart temperature transmitter. The output is transmitted in either an analog 4-20mA format or Honeywell's DE protocol format for digital integration with the TPS control system. STT350 transmitters are suitable for new installations as well as replacements.
STTA Temp Probe
Honeywell provides top-class innovative temperature sensors: RTDs and thermocouples, including bond-on, immersion and thread-in temperature sensors. Developed for ease-of-use, toughness, long-term reliability and low-cost, our temperature sensors are FM or CSA explosion-proof approvals with Honeywell warranty suitable for many industrial applications.
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Libratherm offers Miniature Head Mount Two wire Manufacturer of temperature transmitter Model LTX-3000/H, which accepts (Pt-100) or thermocouple or variable resistance signal as the input and provides output of (4-20) mA proportional to mV or resistance values. These professional transmitters are extensively used to minimize the effect of electrical noise and to eliminate the need of long runs of special compensating and three wire cables since ordinary pair of copper wires can easily be used to transmit the measured temperature without the drop or loss of signal. In addition, transmitting the current signal is more advantageous, since it is less susceptible to industrial RFI/EMI noise compared to the voltage signal. These transmitters are linearly calibrated to the signal produced by a thermocouple or RTD sensors. LTX-3000/H can also be used with the manufacturers of level sensors, giving resistance change proportional to the level - to make the level transmitters.
LTX-3000 requires no separate power feeder as it is powered by current drawn from the current loop itself and is thus intrinsically safe when used with appropriate barriers. It is very compact, economically priced and can be directly mounted inside standard heads of the thermocouple or RTD sensors. It can also be easily fitted inside the flame proof / weatherproof head or junction box. It is available for different supplier of thermocouples, RTD (Pt-100) duly calibrated for required temperature range with ZERO and SPAN adjustments for on site calibration. PLEASE CHECK MORE DETAILS ON CATALOGUE SECTION
http://pdf.directindustry.com/pdf/libratherm-instruments/head-mount-temperature-transmitter/28920-29607.html |
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Long distance accuracy Temptran™ professional transmitters amplify the low-level signals from RTD's or thermocouples to an industry standard 4 to 20 mA current signal proportional to temperature. Unlike resistance or voltage, current signals are immune to resistance in extension wires and stray electrical noise. This lets you receive accurate signals from a sensor located thousands of feet away. The 4 to 20 mA output signal and DC power share the same wire pair. You don't need to run power wires to every sensor location. RTD transmitters also linearize the signal to temperature, making them excellent low cost industrial signal conditioners.
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TxBlock is a fully customer programmable head mount temperature professional transmitter.
In-the-field configuration of input type and working range can be achieved by means of a cable interface and an RS232 port from a PC.
TxRail represents the utmost technology in Din track mount temperature transmitters.
Input type, working range and output calibration can be achieved by means of a cable and an RS232 port from a PC. |
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| The MVX-II Multi-Variable Professional transmitter is a gas measurement unit built around a patented, silicon-based DPE cell. It combines the accurate and stable measurement of differential pressure, static pressure and temperature with high speed input sampling/averaging and communications capabilities. This low powered, field-hardened gas measurement transmitter features an easy-to-use laptop interface and industry standard communication protocol which makes configuration, measurement, and reporting simple, accurate, and reliable. |
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The ST3000 Smart Professional transmitter is a microprocessor-
based smart transmitter that features high performance and excellent stability. Capable of measuring gas, liquid, and vapor, and liquid levels,
it transmits 4 to 20 mA DC analog and digital signals according to the measured differential pressure.
It can also execute two-way communications between the SFC (Smart Field Communicator) or HART® 275 communicator, and, via DE protocol,
with the TDCS3000 or 3000X and a database, thus facilitating self-diagnosis, range resetting, and automatic zero adjustment |
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| Thermtrol’s Thermal cut offs, also known as One Shot Thermal Fuses, inexpensively open a circuit when a predetermined set temperature is reached. Cutoffs covering a temperature range of 66C to 240C are stocked. Available in both radial or axial lead configurations, Thermal Cutoffs have current ratings from 1/2Amp to 15Amps and are UL, VDE, CSA agency rated for 50VDC, 120VAC, and 250VAC circuits. The large in-stock inventory and infinite customization options permit quick turn-around of drop-in devices. Thermtrol Corporation…Your Partner in Thermal Protection! |
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| The Klixon®7AM thermal industrial protector prevents overheating in a variety of consumer, industrial and commercial products. It is a miniature, snap acting, thermally operated device that's a proven performer in protection technology. It is the right choice for applications where available space is at a premium. Thermtrol provides these units with a variety of leads, terminations and insulating sleeve options to meet your specific requirements. |
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For Maximum Protection, in a Small Package, at a Reasonable Price. The 7AM thermal industrial protector prevents overheating in a variety of consumer, industrial and commercial products. It is a miniature, snap acting, thermally operated device that's a proven performer in protection technology. It is the right choice for applications where available space is at a premium. Thermtrol can provide these units with a variety of leads, terminations and insulating sleeves to meet your specific requirements, including nickel strip leads for NI-CAD battery packs.
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A Low-cost creep-action manufacturer of thermostat with crimp connections for fast, easy termination. Available in same end (Model A) or opposite (Model AA) configurations. Designed for use on low-current, 120 VAC loads.
Features
- Conductive bimetal construction; the bimetallic element carries the circuit current.
- Creep action device; slow make/slow break switching action.
- No built-in differential between the opening and closing temperature.
- Case electrically alive; insulating sleeving is available.
- Preset calibration temperature; not adjustable in the field.
- Available with same end termination, Model A; or opposite end termination, Model AA.
- Available with factory applied lead wires. |
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A Snap Action Thermal Control that operates as a high limit single operation (non-resettable) type control. This unique device has a phenolic resin case which isolates it from the electrical circuit. This single operation supplier of thermostat performs like a thermal industrial fuse with the reliability of a 100% tested bimetallic thermal control.
Features
- Snap action device; quick make/quick break switching action.
- Single operation type device. The reset temperature is less than -35°C. This prevents the thermostat from resetting under normal operting conditions.
- Phenolic resin case isolates the device from the electrical circuit and is suitable for use in high temperature applications.
- Can be mounted directly on a heated surface.
- Preset calibration temperature, not adjustable in the field.
- Opposite end termination allows for flexibility of installation.
- Factory installed lead wires or terminals available -consult factory. |
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A low-cost creep-action thermostat manufacturer offering the same mounting flexibility as the Model E. Designed for 120 VAC small-appliance and other heated applications, with a higher current rating and higher calibration range than the Model E.
Features
- Conductive bimetal construction; the bimetallic element carries the circuit current.
- Creep action device; slow make/slow break switching action.
- No built-in differential between the opening and closing temperature.
- Case electrically alive.
- Preset calibration temperature; not adjustable in the field.
- Low profile design and opposite end termination allows for flexibility of installation. |
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A Snap Action Thermal Industrial protector specifically designed for DC voltage applications. This miniature device operates as a high limit single operation (non-resettable) type control. It is constructed with a phenolic resin case which isolates it from the electrical circuit.
Features
- Snap action device; quick make/quick break switching action.
- Single operation type device. The reset temperature is less than -35°C. This prevents the supplier of thermostat from resetting under normal operating conditions.
- Unique construction provides for fast thermal response.
- Phenolic resin case isolates the device from the electrical circuit and is suitable for use in high temperature applications.
- Can be mounted directly on a heated surface.
- Preset calibration temperature, not adjustable in the field.
- Opposite end termination allows for flexibility of installation.
- Factory Installed lead wires or terminals available |
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Measurement Specialties offers high end manufacturer of temperature sensors through its recent acquisitions of BetaTHERM and YSI Temperature. Both companies specialize in negative temperature co-efficient (NTC) thermistors for precision temperature measurement in environments where there is a high cost of failure.
Thermistor-based temperature sensors exhibit a change in their electrical resistance in response to a change in ambient temperature conditions. They are highly-sensitive and have very reproducible resistance-versus-temperature properties. Thermistors can be further classified as either “Positive Temperature Co-efficient” (PTC thermistors) or “Negative Temperature Co-efficient” (NTC thermistors). Both PTC and NTC thermistors have distinct features and advantages that make them ideal for different end-use sensor applications. Whereas PTC thermistors demonstrate an increase in resistance when subjected to an increase in temperature, NTC thermistors demonstrate a decrease and are commonly used for more accurate temperature sensing. This accuracy makes them unique in their functionality in many applications compared to other temperature sensors/switches such as manufacturers of thermocouples or electromechanical industrial thermostats, which they are steadily replacing.
NTC thermistors are available in a wide variety of configurations and protective coatings to suit almost any application. The particular features and advantages of NTC thermistors compared to other sensor types include:
Large temperature sensitivity and broad range of function
Available in many physical forms and not constrained by material types
Interchangeable devices eliminate need for individual sensor calibrations
Good electrical noise immunity
Easy to interface to electronic instrumentation
Can be customized to optimize thermal response requirements
NTC thermistors are the most versatile and cost-effective temperature sensors in terms of satisfying typical selection criteria and in their inherent advantages over other sensor types.
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Thermistors tend to be more accurate than RTD's and suppliers of thermocouples, but they have a much more limited temperature range because of their marked non-linearity.
A Thermistor capitalizes on the fact that the electrical resistance of a material changes as its temperature changes. Thermistors rely on the resistance change in a ceramic semiconductor, with the resistance dropping non-linearly with a temperature rise.
Thermistors can be a low cost solution to temperature measuring. They tend to have large signal outputs and their small size permits fast response to temperature changes. UE Thermistors are used to measure temperatures from -45° to 260° C (-50° to 500° F)
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Conax Buffalo Technologies manufacturers of thermocouples are available in a wide range of thermocouple material types and are available in both standard and custom configurations to meet your specific installation requirements, from bare wire for fast response, metal sheath magnesium oxide insulated configurations for vibration/shock environments, to noble metal thermocouples configured with ceramic tubewells for extended life at high temperatures (up to 4,200° F/2300° C), with accuracies to standard or special limits of error.
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Temperature sensors
