Thermo Scientific RO-20, Operating Manual

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Ro-20 RB-XXX-XXXXXX E 5-1
Löw 08.10.2008
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. Description
5 ALKALINE AA-SIZE BATTERIES
3 ALKALINE 12V BATTERIES FOR CHAMBER BIAS
SF-11546501 1 PCB POWER SUPPLY UNIT RO-20
HDKN25 RANGE KNOB
HDKN4 ZERO KNOB
ICAOALMC662 DUAL MOS INPUT LMC662AIN
MMRU7 RUBBER FEET
MTPA35 METER ASSEMBLY
REHV151G3X 1.5X10/11(150G) OHM 5%
REHV158B2X 1.5X10/9(1.5G) OHM 5%
RLRD1 READ SWITCH
SWRO57 RO20 ROTORY SWITCH
SWTO39 TOGGLE SWITCH
VECA10 FLAT CABLE
YP11498021 RO-20 DESSICANT ASSY, SEALED
YP11500017 RO-20 ION CHAMBER ASSEMBLY
YP11546002 RO-20 MAIN PC BOARD ASSEMBLY
YP11548007 RO-20 CONN/BATTERY BOARD ASSEMBLY