beautypg.com

Alicat VC Series Volumetric Flow Controller User Manual

Page 37

background image

37

Specification

Mass Controller

Volumetric Controller

Description

Accuracy

± (0.8% of Reading + 0.2% of Full Scale)

At calibration conditions after tare

High Accuracy Option

± (0.4% of Reading + 0.2% of Full Scale)

At calibration conditions after tare

Repeatability

± 0.2%

Full Scale

Operating Range

1% to 100% Full Scale

Measure

Typical Response Time

100

Milliseconds (Adjustable)

Standard Conditions (STP)

25ºC & 14.696PSIA

Not Applicable

Mass Reference Conditions

Operating Temperature

−10 to +50

ºCelsius

Zero Shift

0.02%

Full Scale / ºCelsius / Atm

Span Shift

0.02%

Full Scale / ºCelsius / Atm

Humidity Range

0 to 100%

Non–Condensing

Controllable Flow Rate

102.4%

Full Scale

Maximum Pressure

145

145

1

PSIG

Input /Output Signal Digital Mass, Volume, Pressure

& Temperature

Volumetric Flow

RS-232 Serial

Input / Output Signal Analog

Mass Flow

Volumetric Flow

0-5Vdc

Optional Input / Output

Signal Secondary Analog

Mass, Volume, Pressure

or Temperature

Volumetric Flow

0-5 Vdc or 0-10Vdc or 4-

20mA

Electrical Connections

8 Pin

Mini-DIN

Supply Voltage

12 to 30 Vdc (15-30Vdc for 4-20mA outputs)

Supply Current

0.250 Amp

Mounting Attitude Sensitivity

None

Tare after installation

Warm-up Time

< 1

Second

Wetted Materials 303 & 302 Stainless Steel, Viton®, Silicone RTV (Rubber), Glass Reinforced

Nylon, Aluminum, Brass, 410 Stainless Steel, Silcon, Glass.

1. Volumetric meters only: Operating pressure limitations determined by Reynolds number thresholds. For

operating pressures >10PSIG, please contact the manufacturer for more details.

2. If your application demands a different material, please contact the manufacturer for available options.

Technical Data for Low Flow Mass & Volumetric Flow Controllers

0 to 100SCCM Full Scale through 0 to 20SLPM Full Scale

Mechanical Specifications

Full Scale Flow

Mass Controller

Full Scale Flow

Volumetric

Controller

Mechanical

Dimensions

Process

Connections

1

Pressure Drop

2

(PSID)

100SCCM to

500SCCM

100CCM to

500CCM

4.1”H x 3.6”W x 1.1”D

1/8” NPT Female

1.0

1SLPM

1LPM

1.5

2SLPM

2LPM

3.0

5SLPM

5LPM

2.0

10SLPM

10LPM

5.5

20SLPM

20LPM

20.0

1. Compatible with Beswick®, Swagelok® tube, Parker®, face seal, push connect and compression adapter

fittings.

2. Venting to atmosphere. Lower Pressure Drops Available, please contact the manufacturer.

Dimensional Drawings: page 40