General Description

TK8000-Ex Thermocouple Zener Barrier，can prevent dangerous energy fleeing from the safe side to a dangerous place. It also receives thermocouple signals from the scene（see function diagram）, so that the system works with the intrinsic safety explosion-proof performance.

Main technical parameters
Explosion-proof marker:[Exia] ⅡC
The Danger Zone Input: thermocouple signal
The Safety Zone Output:: thermocouple signal
Output Accuracy:0.1% F.S
Temperature drift:0.01% F.S/℃
Continuous operating temperature:-20~+60℃
Certified by China National Quality Supervision and Test Center for Explosion Protected  Electrical Products(CQST)
(among terminals 9、10、11、13、14 and 15)
U0=4V、I0=90mA、C0=100μF、
L0=4.2mH、P0=0.09W
Applying to field devices: the two-wire RTD, three-wire RTD (Pt100) and thermocouple J, T, E, K, S, B
Instrument selection