TK8000-Ex Thermocouple Isolated Barrier

Http://www.ahdqjt.com     Time: 11/26/10 15:48

General Description
TK8000-Ex thermocouple isolated barrier or temperature transmitter, converts thermoelectric power from the thermocouple to 4 ~ 20mADC (or 1 ~ 5V Dc) output, which has a linear relationship with temperature. So it has automatic cold junction compensation function.

Main technical parameters
Explosion-proof marker:[Exia]ⅡC
Power Consumption: about 1.5W(24V power supply, when the output is 20mA)
The Danger Zone Input:
Signal types: Thermocouple Signal J, K, T, E, S, B and mV signals
Signal range:0~60mV
Measuring range: 20 ~ 60mV (According to customer orders)
The Safety Zone Output:
TK8000-Ex,TK8000-Ex(V)
Signal:4~20mA ,1~5V
Output Load:100~500Ω,250Ω(internal)
Output Accuracy:0.2% F.S
Cold junction compensation accuracy:1/20℃
(Compensation range:0~50℃)
Temperature drift:0.01% F.S/℃
Continuous operating temperature: 0~+50℃
Certified by China National Quality Supervision and Test Center for Explosion Protected  Electrical Products(CQST) (between terminals 9 and 10)
U0≤4V,Io≤90mA,Co≤100μF,
Lo≤ 4.2mH,Po≤0.9W
Applying to field devices
0.02mH, thermocouple signal J, K, T, E, S, B, mV signal sensor.
Instrument selection


Type

Input Signal

Output Signal

Channels

TK8061-Ex

E,K,S,B,R,T,J

4~20mA /1~5V DC

single

TK8069-Ex

E,K,S,B,R,T,J

4~20mA /1~5V DC

One entrance, two exit