Yokogawa FD20 Immersion Fitting Manuale Utente Scaricare il pdf (Pagina 16)

IM 12B6K2-01E-E

Spray unit HCN

O-RINGS

(11 x 3)

PUMP

(type dependent on application)

TUBE

Control unit

Fig. 4-5. Mounting a spray unit

4-3-3. Chemical cleaning

The chemical cleaning system is based on periodically spraying of a cleanser on to the

glass membrane of the electrode. The cleanser to be used, the cleaning frequency, etc. are

highly dependent on the liquid to be measured. The cleaning period and frequency can be

adjusted on a control unit. The mounting procedure is shown in figure 4-5.

Parts and accessories

Order nr. Description

K1520FK Tubing ø1/4” for chemical cleaning (1 m)

K1547PA Complete chemical cleaning system HCN2, HCN3 for 2-hole and 3-hole fittings

K1547PB Complete chemical cleaning system HCN4, for 4-hole fittings

K1547PP EPDM spraying valve nozzle 5 sets (for all HCN- chemical cleaning systems)

* Detailed specifications are on seperate sheets.

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Yokogawa FD20 Immersion Fitting Manuale Utente Pagina 16