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Thermocouple High Temperature Probe Temperature Wire

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Original price was: $3.56.Current price is: $2.13.

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Thermocouple High Temperature Probe Temperature Wire brand new and Color: As the picture shows Instruction:(See last picture) and and Pt100 measuring bridge, in order to the stability of the bridge output input of bridge by TL431 to 2.5 Differential was obtained from the bridge after two stage operational amplifier input microcontroller. A bridge bridge arm with adjustable resistor by adjusting the can adjust the difference input to the op-amp, is often used to adjust the point. Amplifying circuit adopts the integrated operational amplifier LM358, in order to prevent the single-stage the nonlinear error of too much magnification, amplifying circuit using two stage amplifier, as shown in figure 5.1, former is about 10 times, after the is about 3 times. Changes in 0 ~ 100 degrees temperature, when the temperature rises, Pt100 resistance, input amplifier circuit of differential signals, amplifying circuit of output corresponding to rise. Note: although the bridge section have been TL431 regulated, but the whole module VCC must be stable, or as the VCC fluctuations, operational amplifier LM358 working fluctuation, output fluctuations, then finally to the result of the A/D conversion, the measured results jump up and down Temperature rang: -20℃ ~ 500℃ Allowable deviation: ±（2.5）℃ Dia: ø4 30 Cable Length: 0.5m External Shielding: Insulated Shielding Internal Insulation: Fiberglass Quantity: 1 Pc Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

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