Yokogawa FD20 Immersion Fitting - Manual (Page 15)

IM12B6K2-01E-E
15
Fig. 4-4a. Mounting a brush cleaning
(electrically driven) FC20-VE
Motor
K1520NF
Cable
model
WU20(D)
O-rings (11x3)
(K1500BZ)
Brush holder
K1520NG
Fig. 4-4b. Mounting a brush cleaning
(pneumatically driven) FC20-VP
O-rings (11x3)
Piston unit
K1520NH
Tubing
K1520NA
Control unit
Protection hose
K1520NC
Brush holder
K1520NG
4-3-2. Brush cleaning
The brush of this cleaning system wipes
across the glass membrane of the electrode every 30 seconds. Electrically or
pneumatically driven versions are available.
Figures 4-4a and 4-4b show the mounting.
Control unit
Parts and accessories
Order nr. Description
FC20-VE
Brush cleaning (electrically driven)
WU20-PC Electrode cable (to be used as a supply cable for the motor)
Length: 1, 3, 5, 10, 15, 20 or 25 m.
FC20-VP Brush cleaning (pneumatic driven)
K1520NB Brush
K1520NA Tubing (ø 4 mm) for FC20-VP for connection between piston and supply unit
* Detailed specifications are on seperate sheets.