Appendix A - Electronics And Parts List - Thermo Scientific RO-20 Operating Manual

5. Appendix A - Electronics and Parts List

Table 5-1 lists the electronic items incorporated in the RO-20, and the parts required for
normal electronic repair.
When ordering parts from Thermo Fisher Scientific, specify instrument model number, serial
number, reference designation, value, and Thermo Fisher Scientific part number.
Table 5-1: RO-20 Electronics and Parts
Part No.
SF-11546501
HDKN25
HDKN4
ICAOALMC662
MMRU7
MTPA35
REHV151G3X
REHV158B2X
RLRD1
SWRO57
SWTO39
VECA10
YP11498021
YP11500017
YP11546002
YP11548007
Ro-20
Löw 08.10.2008
Description
5 ALKALINE AA-SIZE BATTERIES
3 ALKALINE 12V BATTERIES FOR CHAMBER BIAS
1 PCB POWER SUPPLY UNIT RO-20
RANGE KNOB
ZERO KNOB
DUAL MOS INPUT LMC662AIN
RUBBER FEET
METER ASSEMBLY
1.5X10/11(150G) OHM 5%
1.5X10/9(1.5G) OHM 5%
READ SWITCH
RO20 ROTORY SWITCH
TOGGLE SWITCH
FLAT CABLE
RO-20 DESSICANT ASSY, SEALED
RO-20 ION CHAMBER ASSEMBLY
RO-20 MAIN PC BOARD ASSEMBLY
RO-20 CONN/BATTERY BOARD ASSEMBLY
RB-XXX-XXXXXX E 5-1