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Conax Technologies offers a complete line of dependable, ruggedized RTDs, ranging from thin film platinum sensors to wire wound sensor configurations available in platinum, nickel and copper. We can provide the RTD configuration to suit your specific needs, from trimmable RTDs, which provide added field installation flexibility, to fast response RTDs, for applications where response time is critical.
RTD assemblies can be provided with a wide variety of termination styles and mounting fittings to meet the needs of your application. Conax Technologies also offers numerous sensor tolerances, sheath diameters and sheath materials. This section outlines the key choices needed to specify the correct Conax Technologies part description for your needs. In each case, you will be asked to select the:
*sensor element to meet your operating conditions and specifications
*sensor tolerance
*lead configuration corresponding to the number of leads your application requires
*sheath material and size
*termination style
*optional mounting configuration
*sheath length
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Evikon MCI manufactures wide range of sensor assemblies for temperature measurement in gases and air, liquids and on solid surfaces for different applications.
ET20x series push-in resistance temperature probes are intended for measuring temperatures in liquids and gases. Applications include heating and cooling installations, building and industrial automations, labs.
- PTC1000 sensor versions up to +150°C
- Pt100 or Pt1000 sensor versions up to 260°C or 500°C
- AISI 316 acid-proof steel stem
- Ø4 or Ø6 mm lenght 50 up to 1000 mm
- PVC (<105°C), FEP (<205°C) or with fiberglass insulation (<400°C) cable
- Adjustable flanges, compression fittings and thermowells
- Individual 4-20 mA transmitter option
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- Tip-sensitive (260°C) feature fast-responding copper tip in stainless sheath.
- Mineral insulated (600°C): Stable and rugged for demanding industrial environments.
- High temperature (850°C): Laboratory grade precision in an industrial probe.
- Diameters options include 0.125", 4 mm, 0.188", 0.215", 6 mm, 0.250"
- Single and dual elements
- Wide selection of adjustable fittings, thermowells, and connection heads available from stock
- Cut-to-length option lets you adjust probe length in the field
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Tempsens offers a wide range of RTDs that are reliable, accurate and fast responding.
Features:
- Temperature range 0°C to 200°C
- Accuracy upto class A, B, 1/2,1/5, 1/10 Din
- Wire connection 2, 3, 4
- Special RTDs such as
- Slide shoe RTD,
- RTD with Thermowells,
- Vibration proof RTD for DG sets,
- Bearing & Winding Temperature RTDs are also available.
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Watlow’s platinum resistance elements are specially designed to ensure precise and repeatable temperature versus resistance measurements. The sensors are made with controlled purity platinum wire and high purity ceramic components, and constructed in a unique strain-free manner.
Features
Wide temperature range of -200°C (-328°F) to 650°C (1200°F)
Specialty RTDs available to 850°C (1560°F)
Accurate
Sensitive Standardized
Interchangeable Repeatable
Applications
Air conditioning and refrigeration servicing
Furnace servicing
Foodservice processing
Medical research
Textile production
Plastics processing
Petrochemical processing
Microelectronics
Air, gas and liquid temperature measurement
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The MVX-II Multi-Variable 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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WORM Flexible Temperature Sensor
Unlike straight temperature sensors, our WORM flexible RTD and thermocouple temperature sensors bend and slide right into a thermowell without having to remove the enclosure or assembly components.
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RTD's are stable and have a fairly wide temperature range, but are not as rugged and inexpensive as thermocouples. Since they require the use of electric current to make measurements, RTD's are subject to inaccuracies from self-heating.
An RTD capitalizes on the fact that the electrical resistance of a material changes as its temperature changes. RTD's rely on the resistance change in a metal. The resistance will rise more or less linearly with temperature.
Traditionally, RTD's use a length of conductor (platinum, nickel iron or copper) wound around an insulator. Newer styles use a thin film of the conductor deposited on a ceramic substrate.
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The temperature sensors offer also variety at application possibilities for punctual or continuous temperature measurements. It is alike only as sensor or with transducer.
Function possibilities
- Tempereture switch function normaly open
- Tempereture switch function normaly closed
- PT-100
- PT-500
- PT-1000
- Up to 250°C working temperature
- Up to 400 bar working pressure
- Durable building method
- customised design
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Autoclave Chamber/Load Probe (SL160) Sensor :
The SL160 series of autoclave chamber/load probe sensors are similar to the SL150 series, but differ in having a 90° bend and a chisel point to allow penetration of the product bottle seal.
When mounting a load probe with a straight sheath into a product bottle/container in an autoclave it is often difficult to achieve the desirable orientation. This is often due to both the weight of the probe lead wire and its restrictive bending radius. The SL160 is designed to circumvent this by having a 90° bend in the probe sheath. The addition of a chisel point at the probe tip also allows it to be inserted with relative ease through the bottle seal it there is one.
The SL160 chamber/load probes are currently being fitted as original equipment by a major autoclave manufacturer.
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The HT-Tip is a universal sensor-tip used to build high-temperature sensors. Its areas of application are the automotive industry, internal combustion engines, exhaust and burners. The tip is characterized by long-term stability, precision over a broad temperature range and compatibility. By using this tip you are able to avoid the most critical steps building thermometers.
Specification HST (Heraeus Sensor Technology)
Temperature Range -70°C up to +1000°C
Temperature coefficient TCR = 3770 ppm/K
Leads bare wire
Lead length (L) tbd
Environmental conditions depends on installation
Insulation resistance > 100 MOhms at 20°C
Self heating tbd
Response time
t0.63 = 8 s at 22 m/s airflow,
300°C temperature step
t0.63 = 10 s at 12 m/s airflow,
300°C temperature step
Measuring current 5 mA at 20°C; 2.7 mA at 1000°C
Notes of processing When connecting the sensor,
proper polarisation has to be maintained!!!
Packaging tbd
Status preliminary
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WDB Series Bearing Sensors
PTC Thermistor with fixed pre-set trip points from 50°C to 120°C
NTC Thermistor for continuous measurement up to 110°C
Long term reliability
Easy installation - replaces existing grease nipple
Extensive range of PTC sensors available from 50°C to 120°
For use with T400, T400 Elite, T500 Elite or Watchdog Elite control modules
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The bearings of industrial rotating equipment operate under arduous conditions - often for considerable periods of time. The most reliable indicator of bearing condition is the temperature of the metal beneath the shoe.
Recognition of rising temperature can provide a warning of the breakdown of the lubricating oil film; thus allowing machine shutdown and maintenance to take place - avoiding the probable catastrophic failure of the bearing and possible damage to its mounting. Conax Miniature Bearing Sensors provide a simple and cost-effective method to monitor bearing temperatures.
Features:
- For embedded applications in rotating machines
- RTDs - 100 ohm platinum, 0.00385 ohm/ohm/°C
- Thermocouples types J, K, T & E
- Single and duplex sensors
- Various styles and sizes
- Operating Temperature: to 250° F ( 120° C)
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Install miniature sensors in or beneath the babbitt layer of bearing shoes. They monitor metal temperature — the most reliable indicator of bearing condition — to give early warning of oil film breakdown. Machines can then be shut down and the problem corrected before catastrophic failure occurs.
While no larger than many bare ceramic elements, these RTDs have metal cases and insulated leads to withstand rough handling and harsh environments. They’re easy to install in drilled holes for general purpose sensing.
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A critical indication of the status of bearings on large rotating plant is provided by their running temperature.
Monitoring bearings in this manner provides the ability to recognise any possible upward trend in bearing temperature. This in turn allows for a regime of planned preventative maintainance to be put in place, offsetting the possibility of catastrophic plant failure.
Due to its small physical size the miniature bearing sensor can be positioned close to the bearing surface allowing it to sense any early change in temperature.
These devices are available in both thermocouple and PT100 resistance thermometer format and can be supplied as either single or duplex sensors. The sensor lead wire insulation is in PTFE or glass fibre and lead wire jackets can be protected with stainless steel outer braid.
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CSTU type for heating pipes, fluid transportation, etc
temperatures from -50°C to +200°C
Sensing element
1 x PT100 or PT1000 at 0°C, class B
2 or 3 wires, 4 mm² max section
Box
light alloy, IP43 protection , PG9 cable gland
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Miniature Bearing Sensors are designed to monitor temperature of embedded bearings critical to machine performance in industrial rotating equipment. The most reliable indicator of bearing condition is the temperature of the metal beneath the bearing shoe. Rising temperatures indicates the breakdown of the lubricating oil film. Quick identification of this condition allows machine shutdown and maintenance to occur before catastrophic failure of the bearing itself. Typical applications for bearing sensors include motors, turbines, pumps, gear boxes and other journal bearing pedestals.
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Mainly based on the float switch design, these controllers help to monitor the liquid level (as combined units they monitor both liquid level and temperature) in oil reservoirs of fluid power and lubrication systems.
Attached to the tank top cover, they penetrate directly into the hydraulic fluid or the lubricant.
Each of the following series offers particular features and details culminating in the extreme density of functions offered by the Multiterminal.
Level switch Fluidcontrolterminal series
High number of functions reduces requirements for installation, space and cost
Adjustable level contacts
Connecting flange according to DIN 24 557 part 2
Directly attached electronic contact thermometers optional
The FC terminals offer the functions of tank breathing, level/temperature control, filling and topping up and oil sampling in a very compact design.
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Level measurement instrument in stainless steel 1.4571
with integrated temperature sensor
TN 210
Characteristics:
Analog level signal 4-20 mA, two-wire transmitter
Max. 4 level switches (bistable) pnp-output. Control elements: reed contacts or magnet sensors
Analog temperature signal 4-20 mA, two-wire transmitter
Temperature switches: pnp-output or thermostat for switch action
Advantages:
Reductions of costs: max. 4 different measurements in one measuring instrument
Economy of time, of storage costs, of assembly costs etc.
Areas of application:
IMB combined measuring instruments are suitable even for rough environments and are applicable in the following industries:
plant engineering, off-shore, machine construction, power plants, chemical industrie, ship-building, biochemical industrie, food industrie, petrochemical industrie, pharmaceutics etc.
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This can extend from a simple thermocouple in a benign environment to a complex multi sensor configuration with electronic transmission. It could also be located in an aggressive environment and in an area nominated as being hazardous.
To meet these varying needs we produce a full range of appropriate products. Through careful selection of materials, design and construction (based on the temperature and the environment) we are able to advise the most appropriate solution to your application. This could be from a standard arrangement or custom built.
With our commercial arrangements with other instrument manufacturers we are able to supply a complete instrumentation package when required, from the sensor itself to the indicator, recorder, data logger or other peripheral equipment.
Certificates of Conformity, material certificates and calibration certificates for all products are available at the time of placing an order.
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Watlow can design and manufacture custom temperature sensors and wire and cable to meet specific application demands.
Capabilities include:
* Thermocouple sensors
* RTD and thermistor sensors
* Molding and packaging capabilities
* Agency standards
* ISO 9001 quality auditing procedures
To find out more about custom sensor capabilities, contact your nearest Watlow representative.
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Temperature sensors, humidity sensors, pressure sensors, frost protection thermostats, pressostats, explosion proof
Passive, potential free binary and modulating sensors, series ExSens, for temperature, humidity and pressure, with manufacturer certificate, in acc. with ATEX 94/9/EC for use in hazardous areas zone 1, 2, 21 and 22 (in acc. to sensor type), for all kind of gas, mixtures, vapours and dust.
Sensors for room, duct or tube mounting (in acc. to type).
Modulating sensors series ExSens connectable to transducers series ExCos-A, RedCos-A or EXL-IMU-1.
Modulating sensors series ExPro-C… connectable to transducers series ExCos-D and RedCos-D.
Binary sensors series ExSens connectable to switching module series EXL-IRU-1.
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TRH10 is an environment temperature and relative humidity sensor suitable for wall or ceiling mounting.
The electronic of TRH10 has been designed to resist to the harsh environment conditions and the use of a very sensitive and calibrated sensor make possible to obtain very reliable readings also in the worst conditions of use.
The value read by TRH10 are made available on a simple 2 wire digital bus wich makes the interface usable by every PLC or system of industrial or building automation.
* 2 wire digital communication interface
* Usable by any PLC or computer system for industrial or building automation
* Environment sensor for relative humidity in the range 0 ÷ 100%
* Environment sensor for temperature in the range -40.0 to 120.0 °C
* 2 analog inputs NTC, range -50.0 ÷ 110.0 °C (optional)
* ABS or inox steel case
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Plug on sensor: humidity and temperature Part No.: 3087
- For ECOLOG THx or ECOLOG-NET LH2, WH2
- Range: temperature: -35°..+70°C
- rH: 0%..100%
- With calibration certificate
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This micro-module, designed to quantify the relative humidity level and the temperature in the ambient atmosphere, delivers a variable frequency proportional to the humidity, associated to a resistive temperature sensor (thermistor NTC).
Designed using SPSI UPSICAP MSS BI-face technology, this module integrates the humidity sensor created in-situ on the upper side of the substrate and on the lower side, the temperature sensor, the electronic transmitter and the plug-in connector.
This internationally patented technology is a major step forward in the field of sensor-transmitters with long-term stability and reduction of mass production cost.
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HITY 2000 is based on impedance measurement rather than the capacitive method used by other systems. This technology offers an extremely high degree of resistance against aggressive chemical gases and provides stability for as long as 5 years, depending on the medium. The sensor reacts to humidity changes much faster than average.
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Fast- Response Temperature Sensor with pt1000 Resistor
The fast-response temperature sensor with pt1000 resistor is used for water temperature measurement in hot water supply, solar panels, boiler system etc.
It can be directly mounting in pipe or plate of vessel, the response time is about 1 second.
Technical Data:
1) reaction time: 2 second max
2) Temperature sensing element: pt1000
3) Cable length: 1000mm or client required
4) Mounting threads: 1/2” G connection threads or client required
5) Housing material: SUS304 or SUS316L
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Screw-in RTD thermometers ET521 and ET522 with replaceable measuring insert and terminal head are preferred for measuring temperatures in liquids and gases. Applications include HVAC and refrigeration, heating installations, ovens, furnaces and plant engineering, as well as process technology.
- For temperatures from -50..+500 °C
- As single or twin resistance thermometer
- Pt100, Pt500, Pt1000, PTC1000 or NTC sensor
- Selection of DIN B types and miniature terminal heads
- Integrated thermowell with AISI316 s/s thread-connection
- Transmitter options with outputs 4-20 mA and RS485 Modbus RTU
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These RTDs cover the full temperature scale of the international standard EN60751. Precision sensing elements and nickel alloy sheaths are capable of measurements from -200 to 850°C (-328 to 1562°F) with typical ice point drift less than ±0.05°C.
600°C models have stainless steel sheaths for reduced cost. They use the same element structure as 850°C models for excellent accuracy and stability.
- Platinum elements to EN60751, Class A or B
- English and metric diameters
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