*THERMOCOUPLE The basic theory of the thermocouple effect is found from a consideration of the electrical and thermal transport properties of different metals. A measurement junction (this junction is formed of different metals) is exposed to the environment whose temperature is to be measured. The other ``reference`` junction (known as cold junction) are held at common. The ``seeback voltage`` then is proportional to the difference between junction temperatures. Certain standard configurations of thermocouples using specific metals(or alloys of metals) have been adopted, each type has its particular features. Such as range, linearity inertness to hostile environment sensitivity, and so on, and is chosen for specific applications accordingly. *PT 100 A resistance-temperature detector (RTD) is a temperature transducer that is based on the principles, that is, metal resistance increasing with temperature. An estimation of RTD sensitivity can be noted from typical values of the linear fractional change in resistance with temperature for platinum, this number is typically on the order of 00385/ . Thus, a change of only 0.385 ?[ would be expected for PT100 if the temperature by 1
*High immunity to external noise. *LED power indicator. *Suitable to mount inside a probe head. *Upscale burn-out protection. *High accuracy and low cost.
1.T/C, RTD, Linear input configurable. 2.Fuzzy enhanced PID with Auto Tune. 3.Auto/Manual ``Bumpless`` transfer. 4.7 alarm modes with standby and latch function. 5.Master/Slaver Set point Value trans
1.T/C, RTD, Linear input configurable. 2.Fuzzy enhanced PID with Auto Tune. 3.Auto/Manual ``Bumpless`` transfer. 4.7 alarm modes with standby and latch function. 5.Master/Slaver Set point Value trans
1.T/C, RTD, Linear input configurable. 2.Fuzzy enhanced PID with Auto Tune. 3.Auto/Manual ``Bumpless`` transfer. 4.6 alarm modes with standby and latch function. 5.Master/Slaver Set point Value trans
1.Dual 4-digit LED displays(PV/SV). 2.Universal power supplyAC90 264V 50/60Hz or DC24V. 3.8 alarm modes-user selectable. 4.Conutdown timer for setting delay of alarm relay activation. 5.Ramp to set
1.T/C, RTD, Linear Input configurable. 2.P, PD, ON/OFF control mode selectable 3.3 alarm output relay 4.Process value 4 20mA retransmission. 5.RS 485 communication ]MODBUS ^ 6.6 alarm modes with s
1.T/C, RTD, Linear input configurable. 2.Fuzzy enhanced PID with Auto Tune. 3.Auto/Manual ``Bumpless`` transfer. 4.6 alarm modes with standby and latch function. 5.Master/Slaver Set point Value trans
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