* SPICE netlist
R1 N004 N003 25k
R2 N010 N009 25k
R3 N006 N005 60k
R4 N005 N004 60k
R5 N008 N010 60k
R6 0 N008 60k
Rg N009 N003 100
V1 N002 0 4.63
V2 0 N007 5.38
XU1 N001 N003 N002 N007 N004 level1 Avol=1Meg GBW=10Meg Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
XU2 N011 N009 N002 N007 N010 level1 Avol=1Meg GBW=10Meg Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
XU3 N008 N005 N002 N007 N006 level1 Avol=1Meg GBW=10Meg Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
V3 N012 0 0.2
R8 N012 N001 100
R9 N001 0 100
R10 N015 0 100
RPt100 N013 N014 114.38
R11 N012 N013 1.3
R12 N014 N015 1.3
R14 N011 N014 1.3
.tran 100

* LTspice schematic (.asc)
Version 4.1
SHEET 1 2880 1680
WIRE 160 -840 -592 -840
WIRE 48 -696 -432 -696
WIRE 624 -696 48 -696
WIRE 1280 -696 624 -696
WIRE 48 -520 48 -696
WIRE 624 -520 624 -696
WIRE 592 -504 512 -504
WIRE 784 -488 656 -488
WIRE 896 -488 784 -488
WIRE 160 -472 160 -840
WIRE 592 -472 160 -472
WIRE 896 -456 896 -488
WIRE 1040 -456 976 -456
WIRE 1120 -456 1040 -456
WIRE 1360 -456 1200 -456
WIRE 48 -408 48 -440
WIRE 48 -408 -144 -408
WIRE 624 -408 624 -456
WIRE 624 -408 208 -408
WIRE 512 -360 512 -504
WIRE 512 -360 320 -360
WIRE 48 -344 48 -408
WIRE 512 -328 512 -360
WIRE 592 -328 512 -328
WIRE 784 -328 784 -488
WIRE 784 -328 672 -328
WIRE 1280 -328 1280 -696
WIRE 1280 -328 1152 -328
WIRE -144 -280 -144 -408
WIRE 320 -280 320 -360
WIRE 1152 -280 1152 -328
WIRE 1040 -264 1040 -456
WIRE 1120 -264 1040 -264
WIRE 1360 -248 1360 -456
WIRE 1360 -248 1184 -248
WIRE 1424 -248 1360 -248
WIRE 1120 -232 1008 -232
WIRE 48 -200 48 -264
WIRE 208 -200 208 -408
WIRE 208 -200 48 -200
WIRE 592 -136 496 -136
WIRE 720 -136 672 -136
WIRE 320 -88 320 -200
WIRE 496 -88 496 -136
WIRE 496 -88 320 -88
WIRE 1152 -56 1152 -216
WIRE 1360 -56 1152 -56
WIRE -432 -24 -432 -696
WIRE 608 -24 -432 -24
WIRE 608 8 608 -24
WIRE 496 24 496 -88
WIRE 576 24 496 24
WIRE 720 40 720 -136
WIRE 720 40 640 40
WIRE 848 40 720 40
WIRE 1008 40 1008 -232
WIRE 1008 40 928 40
WIRE 1104 40 1008 40
WIRE 1440 40 1184 40
WIRE -592 56 -592 -840
WIRE -288 56 -592 56
WIRE 576 56 -224 56
WIRE 1440 136 1440 40
WIRE 48 152 48 -200
WIRE 608 152 608 72
WIRE 608 152 48 152
WIRE 1360 152 1360 -56
WIRE 1360 152 608 152
WIRE -1232 232 -1440 232
WIRE -864 232 -1232 232
WIRE -288 232 -288 56
WIRE -288 232 -304 232
WIRE -1232 296 -1232 232
WIRE -864 344 -864 312
WIRE -736 424 -784 424
WIRE -592 424 -656 424
WIRE -304 424 -304 232
WIRE -304 424 -464 424
WIRE -1440 440 -1440 232
WIRE -1232 472 -1232 376
WIRE -1040 472 -1232 472
WIRE -864 472 -864 424
WIRE -784 472 -784 424
WIRE -784 472 -864 472
WIRE -592 504 -592 424
WIRE -304 504 -592 504
WIRE -864 520 -864 472
WIRE -1232 568 -1232 472
WIRE -304 568 -304 504
WIRE -224 568 -224 56
WIRE -224 568 -304 568
WIRE -864 632 -864 600
WIRE -1232 712 -1232 648
WIRE -864 712 -1232 712
WIRE -1440 744 -1440 520
WIRE -1232 744 -1232 712
WIRE -1232 744 -1440 744
WIRE -1440 760 -1440 744
WIRE -1040 840 -1040 472
WIRE -464 840 -464 424
WIRE -464 840 -1040 840
FLAG -144 -280 0
FLAG 1440 136 0
FLAG -1440 760 0
SYMBOL res 688 -344 R90
SYMATTR InstName R1
SYMATTR Value 25k
SYMBOL res 688 -152 R90
SYMATTR InstName R2
SYMATTR Value 25k
SYMBOL res 1216 -472 R90
SYMATTR InstName R3
SYMATTR Value 60k
SYMBOL res 992 -472 R90
SYMATTR InstName R4
SYMATTR Value 60k
SYMBOL res 944 24 R90
SYMATTR InstName R5
SYMATTR Value 60k
SYMBOL res 1200 24 R90
SYMATTR InstName R6
SYMATTR Value 60k
SYMBOL res 336 -184 R180
SYMATTR InstName Rg
SYMATTR Value 100
SYMBOL voltage 48 -536 R0
SYMATTR InstName V1
SYMATTR Value 4.63
SYMBOL voltage 48 -360 R0
SYMATTR InstName V2
SYMATTR Value 5.38
SYMBOL OpAmps\\UniversalOpAmp 624 -488 R0
SYMATTR InstName U1
SYMBOL OpAmps\\UniversalOpAmp 608 40 R0
SYMATTR InstName U2
SYMBOL OpAmps\\UniversalOpAmp 1152 -248 R0
SYMATTR InstName U3
SYMBOL voltage -1440 424 R0
SYMATTR InstName V3
SYMATTR Value 0.2
SYMBOL res -1248 280 R0
SYMATTR InstName R8
SYMATTR Value 100
SYMBOL res -1248 552 R0
SYMATTR InstName R9
SYMATTR Value 100
SYMBOL res -880 616 R0
SYMATTR InstName R10
SYMATTR Value 100
SYMBOL res -880 328 R0
SYMATTR InstName Pt100
SYMATTR Value 114.38
SYMBOL res -880 216 R0
SYMATTR InstName R11
SYMATTR Value 1.3
SYMBOL res -880 504 R0
SYMATTR InstName R12
SYMATTR Value 1.3
SYMBOL res -640 408 R90
SYMATTR InstName R14
SYMATTR Value 1.3