YOKOGAWA Vigilantplant ST401G - St401 G-Fc4; St401 G-Ph; St401 G-Pf

< 1. Overview >
1-3
IM 12A0V2-E
1.2 ST401G-FC4
ST401G-FC4 is composed with the FC400G non-reagent type free available chlorine analyzer
(converter and detector) and sampling system.
Refer to fi gure 3.1 to 3.8 for the confi guration.
NOTE
Put ceramic beads in the cell of detector before the measurement. Refer to the manual IM 12F5A1-
01E "Model FC400G Free Available Chlorine Analyzer (Non-reagent type)"
1.3 ST401G-PH
ST401G-PHu is composed of the PH400G or PH450G pH converter, PH8EFP pH sensor, PH8HF
fl ow-through type pH holder, and sampling system. Moreover, PUS400G ultrasonic cleaner can be
built in (optional). Refer to Figure 3.9 to 3.16 for the confi guration.
NOTE
The pH sensor is packed separately. Install and wire as per the manual IM 12B7J1-01E "PH8EFP pH
Sensor (KCl fi lling type)". Refer to Figure 3.36 to 3.43 for the wiring.
When option code “/TT3” is specifi ed, the 500 ml KCl reserve tank for pH sensor will be installed in the
system before factory shipping.
1.4 ST401G-PF
ST401G-PF is composed of pH converter system (converter, sensor, and fl ow-through type holder),
free available chlorine analyzer (converter and detector), and sampling system. Please refer to Figure
3.17 to 3.32 for the confi guration.
Moreover, the pH converter system can built in ultrasonic cleaner if specifi ed at order time.
NOTE
The pH sensor is packed separately. Install and wire as per the manual IM 12B7J1-01E "PH8EFP pH
Sensor (KCl fi lling type)". Refer to Figure 3.36 to 3.43 for the wiring also.
When option code “/TT3” is specifi ed, the 500 ml KCl reserve tank for pH sensor will be installed in the
system before factory shipping.
Put ceramic beads in the cell of detector before the measurement. Refer to the manual IM 12F5A1-
01E "Model FC400G Free Available Chlorine Analyzer (Non-reagent type)".