< 1. Overview >
1-1
IM 12A0V2-E
1. OVERVIEW
Model ST401G is a compact sampling system which can be used with the pH converter system and
the model FC400G non-reagent type free available chlorine analyzer.
The measurement can be started after only simple installation because the ST401G is provided with a
pressure-reducing valve and ball valve, and shipped with customer ordered devices.
1.1 System confi guration
There are three types of sampling system. With free available chlorine analyzer, with pH converter
(with the ultrasonic cleaner according to order) and with both non-reagent type free available chlorine
analyzer and pH converter.
The model name and suffi x codes are shown in Table 1.1. The outline is shown in item 1.2 to 1.4.
Table 1.1 Model and Codes
Model Suffi x Code Option Code Description
ST401G ..................... ................... Sampling system
System) -FC4
-PH4
-PH5
-PF4
-PF5
...................
...................
...................
...................
...................
With free available chlorine analyzer (FC400G) (note 1)
With pH converter (PH400G) (note 2)
With pH converter (PH450G) (note 2)
With free available chlorine analyzer (FC400G) and pH
converter (PH400G) (note 1) (note 2) (note 3)
With free available chlorine analyzer (FC400G) and pH
converter (PH450G) (note 1) (note 2) (note 3)
Ultrasonic oscillator
(for pH meter)
-N
-U
...................
...................
Not supplied
Supplied
___
-A ................... Always -A
Option /R
/AN
/S
/ARS
/AZC1
/AZC2
/AZC3
/AZC4
/RR
/SCT
/TT3
Piping connections on the back
Without instrument
With stainless steel stand (note 4)
With arrester (power and signal lines only) (note 5)
With auto zero calibration for 100 V AC (note 6)
With auto zero calibration for 110 V AC (note 6)
With auto zero calibration for 200 V AC (note 6)
With auto zero calibration for 220 V AC (note 6)
With remote range switching (note 7)
With stainless tag plate
With 500 ml KCl reserve tank for pH sensor (note 2)
Model ST401G refers only to a sampling system and does not include a free available chlorine
analyzer and/or a pH meter(sensor,holder,converter and ultrasonic oscillator). (Instrument should be
purchased separately.)
Note that the ST401G Sampling System accepts the following models of note 1 or note 2 only, and
depending on system confi guration.
Note 1: Non-reagent type free available chlorine analyzer (refer to GS 12F5A1-E)
When ordering, option code “/ST” (integration into ST401G sampling system) must be specifi ed.
Note 2: 4-wire type pH converter system (refer to GS 12B7C1-E, GS 12B07C05-01E, GS 12B07B02-E,GS 12J5C2-E)
pH sensor: PH8EFP-03-TN-TT1-N-T*A (when suffi x code of “-PH4”, “-PF4” specifi ed.)
PH8EFP-03-TN-TT3-N-T*A (when suffi x code of “-PH4”, “-PF4” and option code of “/TT3” specifi ed.)
PH8EFP-03-TN-TT1-N-G*A (when suffi x code of “-PH5”, “-PF5” specifi ed.)
PH8EFP-03-TN-TT3-N-G*A (when suffi x code of “-PH5”, “-PF5” and option code of “/TT3” specifi ed)
pH holders: PH8HF-PP-JPT-T-NN-NN*A/MF1 (without cleaning system)
PH8HF-S3-JPT-T-NN-NN*A/MF1 (without cleaning system)
PH8HF-PP-JPT-T-S3-C1*A/MF1 (with ultrasonic cleaning)
PH8HF-S3-JPT-T-S3-C1*A/MF1 (with ultrasonic cleaning)
pH converter: PH400G-
-EA*B (when suffi x code of “-PH4”, “-PF4” specifi ed.)
PH450G-A-E (when suffi x code of “-PH5”, “-PF5” specifi ed.)
Ultrasonic oscillator: PUS400G-NN-NN-
-E (which power supply rating should be same as the pH converter.)
Note 3: Power supply rating of non-reagent type free available chlorine analyzer should be same as the pH converter.
Note 4: Specify if needed, instead of the standard stanchion made of carbon steel.
Note 5: Available only when the suffi x code “-FC4”,“-PH4” or “-PH5” is specifi ed.
Note 6: Available when free available chlorine analyzer is specifi ed singly or in combination with pH meter, by suffi x code, “-FC4”,
“-PF4” or “-PF5.”
Note 7: Available when free available chlorine analyzer is specifi ed singly by suffi x code, “-FC4.” An arrester is supplied automatically
with this option.
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