tk8000-ex thermocouple zener barrier
http://www.ahdqjt.com time: 11/26/10 15:51general 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
type |
input signal |
output signal |
channels |
tk8081-ex |
pt100,cu50 |
pt100,cu50 |
single |
tk8082-ex |
pt100,cu50 |
pt100,cu50 |
double |
meters
尊龙登录 copyright © 2009-2011 anhui electric group shares co., ltd.