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NIPPON STO-4-MII

ST-4-MII (w/o Needle Valve) & STO-4-MII (c/w Needle Valve)

General
The V/A Flowmeter Models: ST-4-MII are most suitable for measuring small volume Liquids and Gases. We performed short delivery and reduction of costs by standardization. The Meter is widely applicable for laboratory, pilot plant, many kinds of test equipments for chemical feeder, etc. with high accuracy. The installation can be directly made in pipe too.

Specifications

• Fluid to be measured: Liquid (Water), Gas (Air)
• Flow Scale Range: 10:1 (see Table 11.).
  * Accuracy within ±3% of FS ( The accuracy may be varied depending on specifications)
• Max allowable Press: 0.7 MPa (7 kgf/cm2G)
• Max allowable Temp: 90°C ( Special Meter:120°C)
• Alarm Signal Output:
  Hall Sensor (Model:AH)
  Phototransistor (Model:AQ), etc.
(May not be available depending on fluid, flow rate, construction)

Standard Flow Range & Dimension Table
The below (Gas) is bead on AIR (20°C, 1 ATM). For different press. in kgf/cm2G, please multiply the below by

Table 11

Table 12

Materiald Table (Standard)
No.	Part Name	Mat' 1 No. 2
1	Body	Aluminum
2	Block	SUS304
3	O-ring	NBR, Viton
4	Float	SUS304, Glass Ebonite
5	Tapered Tube	Pyrex
6	Stopper	Teflon
7	Cover	Polycarbonate
8	Mounting Nut	C3604
9	Joint	SUS304
10	Needle Valve	SUS304

Note: For Conn. Sizes Rc 3/4 & Rc1, some materials are different from the above table