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Surface Temperature Measurement

MICROCOIL™

MICROCOIL miniature thermocouples provide surface temperature measurements with an unparalleled degree of accuracy. This patented technology achieves critical isothermal surface temperature measurement and offers superior design flexibility. Typical sensor-to-sensor repeatability of one to two percent (DT) can be achieved with the MICROCOIL because the areas of the sensor that are vulnerable to normal production variances are not in the thermal gradient. Weld location, insulation thickness and welded tip thickness no longer impact measurement in an isothermal environment. Therefore, the inherent challenges of measuring surface temperatures are no longer a problem with the MICROCOIL. Maximum continuous temperature: 700°C (1292°F)

Datasheet

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Surface Temperature Measurement

Radio Frequency Thermocouple Probe (TR)

The TR thermocouple probe is designed for use in plasma generation. Radio frequency energy can cause serious temperature measurement errors through radiation or conduction. Traditional sensors are ineffective against the induced noise associated with such environments. The TR probe is ideal for reading temperatures through such interference. The construction of the TR probe utilizes a unique combination of high performance materials. The sensor tip is made from high thermal conductivity materials, providing a quick response time. High dielectric insulation is used to electrically insulate the sensor from capacitive coupling. Additionally, the lead wires are twisted to improve common mode rejection and reduce induced EMI.

Datasheet

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Surface Temperature Measurement

TRUE SURFACE Thermocouple (TST)

The TST offers superior accuracy for measuring flat surface temperatures. This compact, highly accurate sensor isolates the thermocouple junction from ambient airflow. The TST typically achieves accuracy and repeatability of one to two percent (ΔT). The TST, with its removable molded cover, fits into corners and other tight locations. TSTs are easy to install with a variety of commonly used screw types.

Datasheet

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Multipoint Sensor

Temperature variances exist in all systems, regardless of materials, working fluid or system design. There is no process that involves heating a particular medium where temperature of that medium is the same throughout—temperature gradients will always exist. Sensing the temperature at just one location in a process is acceptable for many applications because temperature gradients are often insignificant. However, there is a need in many applications to monitor the temperature in multiple locations to ensure a safe, accurate and cost efficient process. Installing multiple independent, temperature sensors may be impractical due to cost or space limitations. Multipoint temperature sensors are capable of accurately measuring temperatures at various locations along its length. They are used in a broad range of processes and installations, predominately applications involving a large or complex process where close temperature control is necessary. Multipoint temperature sensors are designed to meet the requirements of the specific application; i.e., temperature, pressure, chemical environment, time response and number of points required.

Datasheet

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INFOSENSE™ Sensor Technology

INFOSENSE™ sensor technology instantly improves the accuracy of thermocouple and RTD sensors by a minimum of 50 percent. Thermocouples manufactured are calibrated to determine whether they are standard or special limits accuracy. The sensor error is then described throughout its full temperature range with a polynomial curve. INFOSENSE technology takes four points from that calibration curve using four three-digit numbers and a bar code on a tag attached to each sensor. The user then enters each value into a compatible controller’s memory through the controller’s standard menu or bar code data port. INFOSENSE-compatible electronics use these four data points to reconstruct a simple three-line segment error connection. Entering these codes immediately improves accuracy across the entire temperature range by approximately 50 percent or more.

Infosense
Infosense-P