VF-2000 Cost-effective instrument

TOKYO KEISO CO., LTD.

3

TG-ES886-3E

Model Code

Model Code

Description

VF - 20

■

■

-

■

■

■

1

Current output : 4 to 20mA DC

2

Pulse output : Open collector (Unscaled)

Type/Output

Display : Flow rate (3-digit LED), Alarm (2 LED)

3

Current output : 4 to 20mA DC

Alarm output : Open collector (2 points)

Nominal Size :

1

6 mm : 0.5 - 4 L/min or 0.13 - 1GPM ; 3/8"

Flow Range ;

2

10 mm : 2 - 16 L/min or 0.5 - 4GPM ; 1/2"

Connection Size

3

15 mm : 4 - 40 L/min or 1 - 10GPM ; 1/2"

O-ring Material

- F

Fluorine rubber (FKM)

Process Connection

0

Taper Pipe Threads Equivalent to R3/8 or Eguivalent. to R1/2

(JIS B 0203 / ISO 7/1)

Flow Unit

1

L/min

2

GPM

●Accessory Code

/RCT

Rc / Rc (Internal thread) Adapter [Material : 316 Stainless Steel]

/NPT

Rc / NPT(Internal thread) Adapter [Material : 316 Stainless Steel]

■ Model Code Example : VF-2011-F01 / NPT

Fluid and Ambient Temperature Range

(only for Display type VF-203

■)

● Pulse Output Model (VF-202■)

[Shield]

10.8 to 26.4V DC

+

-

+

-

[Brown]

[Black]

[Blue]

Pulse output

Figure 3

● Current Output Model (VF-201■)

[Brown]

[Black]

[Blue]

[Shield]

4 to 20mA DC

10.8 to 26.4V DC

+

-

+

-

Load

● Display / Current Output Model (VF-203■)

[Brown]

[Black]

[Gray]

[White]

[Blue]

[Shield]

4 to 20mA DC

10.8 to 26.4V DC

+

-

+

-

+

-

+

-

Load

Alarm 2

Alarm 1

Figure 5

Wiring Diagram

Ambient Temperature (oC)

0

35

50

70

30

0

Operating range

Range of load resistance

( VF-201

■, VF-203■)

(

Ω)

600

300

250

215

0

10.8 12

24 26.4 (V DC)

Power supply

Operating range

Figure 4