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E-HELP: 3-Wire Options with the WORM

E-HELP: 3-Wire Options with the WORM
Q: Does the WORM Flexible Sensor RTD have a 3-wire option? If not, can I eliminate the fourth wire by jumping two of the parallel wires together?
Published: September 3, 2015

Get Warnings on Sensor Resistance Level Increases With the THZ3 and TDZ3

Get Warnings on Sensor Resistance Level Increases With the THZ3 and TDZ3
Under normal conditions, the loop resistance of a thermocouple will gradually change with temperature. However, exposure to extreme high temperatures can cause the resistance to increase at a substantial rate. This can be a sign of several issues within your sensor. For example, high temperatures can release impurities and chemicals within the thermocouple wire insulation that diffuses into the thermocouple metal and changes its characteristics. This can possibly lead to resistance increases as the thermocouple insulation material is breaking down.
Published: August 7, 2015

Get Tips on Temperature Measurement Accuracy From New White Paper

Get Tips on Temperature Measurement Accuracy From New White Paper
For many temperature applications, getting a high level of accuracy is vital. A new white paper from Moore Industries highlights how plant and site engineers can ensure the most accurate temperature measurement for critical applications. Available for download from the Moore Industries website, “A Practical Guide to Improving Temperature Measurement Accuracy details steps that can also help end users improve the stability of their measurements and reduce calibration costs.
Published: June 25, 2015

E-HELP: Differential Temperature Measurement with Two RTDs

E-HELP: Differential Temperature Measurement with Two RTDs

Q: I am looking for a differential temperature transmitter. We have used the SPT in the past and know that it will work, but I don’t know if you can use two inputs of two different 4-wire RTDs with the SPT.

A: The SPT has only four input terminals; therefore the number of RTD wires is limited. For differential temperature one RTD can be a 3-wire and the other RTD can only be a 2-wire. The lead length compensation wire of the 3-wire connection compensates for the lead length of both RTDs. This is only useful if you make sure that all five wires have the identical resistance.

Published: June 16, 2015

Measuring Discrete Inputs Using the BULLET and the TCM

Measuring Discrete Inputs Using the BULLET and the TCM
Having a WirelessHART gateway available provides end users with many potential uses. One of them is in moving discrete inputs via the WirelessHART gateway in a simple and affordable manner. This can be easily accomplished using the unique capabilities of Moore Industries’ TCM Temperature Concentrator Monitor and the BULLET WirelessHART Adapter.
Published: May 28, 2015
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