Power Supply - Endress+Hauser iTEMP RTD TMT 187 Mise En Service

10 Technical Data
32
’FF˜4^"z›F˜Q˜˜‡ aamV‡
Electrical connection

Power supply

*
"ddp§"*dF˜azzdF˜
Ripple
s˜’
Reply time
"da*"›apm˜›FhzF"›¤F˜¢˜@ ˜ƒ˜Q˜
Reference conditions
F’a’›"m4F˜›^FhphF›F˜ 9
Type:
3 ›s¬¬:˜as¬¬
3 ›Q¬¬:˜aQ¬¬
3 ›s¬¬¬:˜as¬¬¬
Measured error
^Fhp4p¤zdF˜ 9
Type:
3 :˜ :˜:˜ :˜:˜
3 :˜ :˜
3 :˜ :˜:˜
≤˜ƒ¬¬s~— ˜=F¦a"›apm˜Oph˜¢T˜
Influence of power
supply
≤˜ƒ¬¬¢~—s¬¬˜Ω
Load influence
›s¬¬˜ ˜
Influence of the
reference junction
3 F’a’›a¦F˜›^FhphF›F˜| }9
Temperature drift
3 ^Fhp4p¤zdF˜| }9
3 ›s¬¬
≤˜¬:s˜—©F"
Long term stability
s ~˜a’˜Fd"›F=˜›p˜›^F˜"=b¤’›F=˜hF"’¤FhFm›˜"mVF˜|›^F˜¦"d¤F˜›p˜*F˜"zzdaF=˜a’˜›^F˜VF"›F}
¢ dd˜="›"˜a’˜Fd"›F=˜›p˜"˜hF"’¤FhFm›˜Fm=˜¦"d¤F˜|  }˜pO˜¢¬˜h 
 m=F˜FOFFm4F˜4pm=a›apm’
Power supply
˜K˜GQ˜ :˜zpd"a›©˜zp›F4›F=
˜≤ Q˜ ˜"›˜ ˜≥ s˜ :˜O˜
’’ *
Measuring accuracy
Measurement accuracy:
3 ¬¢˜˜p˜¬¬G~
3 ¬Q˜˜p˜¬¢¬~
3 ¬˜˜p˜¬s¢~
Measurement accuracy:
3 ›©z˜¬Q˜
3 ›©z˜s¬˜
3 ›©z˜¢¬˜
pFQpFTs
¢
¢
˜
˜•Qs˜ d˜ ˜|am›Fm"d˜FOFFm4F˜b¤m4›apm˜Op˜^Fhp4p¤zdF’˜ }
 ˜K˜ƒ˜|sQ˜zzh—˜(˜h"¨˜hF"’˜"mVF˜‚˜Q¬˜zzh—˜(˜zF’F›˜hF"’˜"mVF}˜(˜
=
∆ϑ
˜K˜ƒ˜|Q¬˜zzh—˜(˜h"¨˜hF"’˜"mVF˜‚˜Q¬˜zzh—˜(˜zF’F›˜hF"’˜"mVF}˜(˜

=
∆ϑ
 ˜K˜ƒ˜|sQ˜zzh—˜(˜|"mVF˜Fm=˜¦"d¤F‚˜¢¬¬}˜‚˜Q¬˜zzh—˜(˜zF’F›˜hF"’˜
=
"mVF}˜(˜∆ϑ
∆ϑ K˜ F¦a"›apm˜pO˜"h*aFm›˜›FhzF"›¤F˜›p˜FOFFm4F˜4pm=a›apm
 s:˜
˜p˜≤˜¬:¬Q~—©F"
Temperature head transmitter
˜K˜s˜c «
h"¨
1