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1 1. Before performing any maintenance it is important to turn off the gas supply to the water heater at the manual gas shut-off valve. This valve is typically located beside the water heater.

Thermocouple Introduction and theory

Z-21 We cannot build a temperature divider as we can a voltage divider, nor can we add temperatures as we would add lengths to measure distance. We must rely upon temperatures established by physical phenomena which are easily observed and consistent in nature.

Using Thermocouple Sensors

Using Thermocouple Sensors Connecting Grounded and Floating Thermocouples For best performance, Thermocouple sensors should be floating. This will ensure that no noise currents can flow in the sensor leads and that no common-mode noise voltage will be coupled into the controller.

Catalog of standard thermocouples

• Plastic Industry Thermocouples • MGO Thermocouples • Surface and Pipe Clamp ThermocouplesThermocouple Plugs & Accessories • Thermocouple Wire • Custom thermocouples to meet your application requirements.

the design differential, the fuel costs can increase by more ...

thermocouple input, provide LED display of temperature and alarms, flashing display of alarms and open thermo couple indication, dual alarm settings and digital

Thermocouple Selection Guide

A-5 Thermocouple All Probe Pages Displaying the XL Logo in Section A are available in Super OMEGACLAD ® XL Material Series No. Price Page No. Configuration


THERMOCOUPLE THEORY 1 WHAT'S A THERMOCOUPLE? A thermocouple circuit is formed when two dissimilar metals are joined at both ends and there is a difference in temperature between the two ends.

Conversion of Thermocouple Voltage to Temperature

Conversion of Thermocouple Voltage to Temperature Gerald Recktenwal d y July 14,2010 Abstract This article providesa practical introduction to the conversion of ther-mocouplevoltage to temperature.

Thermocouples: What type do I need

Thermocouples Part 1: Eight established types to choose from. What type do I need? Arthur Holland, Holland Technical Skills Of all the temperature sensors used in industry and research, the thermocouple is the sensor of choice on grounds of temperature range, speed of response, ruggedness and cost.

Thermocouples and Thermocouple Wire

(T-2 continued) Extension Wire Thermocouple extension wire types such as KX , JX , TX and EX are used to connect the measuring junction to the temperature recording or process control instrumentation.