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< 4. OPERATION >
4-4
IM 12A0V2-E
4.4
ST401G-PF
6-
¨
-A, ST401G-PF7-
¨
-A,
ST401G-PF8-
¨
-A
Open ball valve (BV1) completely. Adjust ball valve (BV2) and needle valve (NV1) and make the
flow rate into pH flow-though type holder between 3 and 10 L/min and into free available chlorine
detector between 0.1 and 2.5 L/min.
Refer to Figure 4.4 for piping.
<Tubing materials>
X
X
Ø22 / Ø15 soft tube with net
(VP40)
Drain
VP16 pipe
pipe
VP40
X
(VP16)
Measuring water
PVC tray
Ø12 / Ø9 Polyethylene tube
PHC
TK1
UCL
PHS
PHH
BV2
BV1 PR1
=
=
FCC
FCD
FCC : Free available chlorine converter
FCD : Free available chlorine detector
NV1 : Needle valve
PR1 : Pressure-reducing valve
BV1, 2 : Ball valve
PHC : pH converter
PHH : Flow-through type holder
PHS : pH sensor
TK1 : KCl tank
ULC : Ultrasonic oscillator (Suffix code: -U)
=
Ø6 / Ø4 Polyethylene tube
=
NV1
(*1)
(*1)
(*1) When -PF8 is specified, the free available
chlorine detector and the pH sensor are
connected to one converter.
Figure 4.4
Piping diagram of ST401G-PF6-
¨
-A, ST401G-PF7-
¨
-A
(With free available chlorine analyzer and pH converter, (ultrasonic oscillator)),
ST401G-PF8-
¨
-A
(With free available chlorine analyzer and pH analyzer, (ultrasonic oscillator))
Summary of Contents for ST401G
Page 1: ...User s Manual Model ST401G Sampling System IM 12A0V2 E IM 12A0V2 E 8th Edition ...
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