VF-2000 Cost-effective instrument

2

TOKYO KEISO CO., LTD.

TG-ES886-3E

Specifications

Specifications

Measurable Fluid

Accuracy *1

Repeatability

Fluid Pressure

Fluid Temperature

Ambient Temperature

Ambient Humidity

Power Supply

Rated Power

Display

Flowrate

Alarm

Display

VF-2031

Resolution

VF-2032

VF-2033

Output

Cable

Mass

Meter

Cable

Enclosure Classification

VF-20

■1

Flow Range

VF-20

■2

VF-20

■3

Max. Pressure loss

Min. Straight Pipe Run

VF-20

■1

Process Connection

VF-20

■2

VF-20

■3

Sensor body

Sensor

O-ring

Cover

Cable sheath

Model

Current Output Model

Pulse Output Model

Display and Current Output Model

VF-201

■

VF-202

■

VF-203

■

Pure water, Water

±3%F.S.

±3%F.S (1 digit)

±0.5%F.S

0 to 1MPa

0 to 70oC0 to 70oC (Refer to Figure 3)

0 to 50oC0 to 50oC (Refer to Figure 3)

5 to 90%RH

10.8 to 26.4 VDC

1W

0.5W

2W

-

3-digit LED

-2 LED (Alarm-1, Alarm-2)

-

0.01 L/min or 0.01 GPM

-

0.1 L/min or 0.01 GPM

-

0.1 L/min or 0.1 GPM

0.2mm2 x 3C (AWG24), 3m, Outside diameter 3.5mm

0.2mm2 x 5C (AWG24), 3m,

(Soldered end finish)

Outside diameter 4.5mm,

(Soldered end finish)

60g

80g

75g

90g

IP64

0.5 to 4 L/min or 0.13 to 1 GPM

2 to 16 L/min or 0.5 to 4 GPM

4 to 40 L/min or 1 to 10 GPM

40kPa

Upstream : 10D, Downstream : 5D (D : Nominal pipe size)

Taper pipe threads (JIS B 0203 / ISO 7/1) : Equivalent to R3/8"

Taper pipe threads (JIS B 0203 / ISO 7/1) : Equivalent to R1/2"

Taper pipe threads (JIS B 0203 / ISO 7/1) : Equivalent to R1/2"

Polyphenylene sulfide (PPS)

Piezoelectric element molded with PPS

Fluorine rubber (FKM)

Poly-butylene trephthalate (PBT)

Heat- resistant PVC

Current output

Unscaled pulse output

Current output

4 to 20mA (3-wire)

Open collector,

4 to 20mA (3-wire)

(0 to maximum flow)

Max. 10mA/30VDC

(0 to maximum flow)

Load:

Pulse duty factor; approx. 50%

Load:

0 to 250 ohms at 12VDC

0 to 250 ohms at 12V DC

250 to 600 ohms at 24VDC

250 to 600 ohms at 24V DC

(Refer to Figure 4)

(Refer to Figure 4)

Damping Time Constant

Output frequency at 100% flow

Damping Time Constant

1 sec (63% response)

VF-2021 - F01

800Hz at 4 L/min

1 sec (63% response)

VF-2021 - F02

757Hz at 1 GPM

Alarm output

VF-2022 - F01

800Hz at 16 L/min

Alarm-1 and Alarm-2

VF-2022 - F02

757Hz at 4 GPM

Open collector,

VF-2023 - F01

584Hz at 40 L/min

Max. 80mA/30V DC

VF-2023 - F02

553Hz at 10 GPM

Hysterisis; equal to display resolution

*1 Conditions for calibration

Fluid : Water, Fluid temperature : 20oC

Ambient temperature : 23 oC, Supply voltage : 24 VDC