Alicat V Series Volumetric Flow Meter Manuel d'utilisateur télécharger pdf (Page 33)

Dimensional Drawings: page 35

Specication

Mass

Meter

Volumetric

Meter

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

Accuracy: Bi-directional

Meters Only

± (0.8% of reading + 0.2% of total span

positive full scale to negative full scale)

At calibration conditions after tare

Repeatability ± 0.2% Full Scale

Operating Range 1% to 100% Full Scale Measure

Typical Response Time 10 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

Measurable Flow Rate 128% Full Scale

Maximum Pressure 145

145

PSIG

Output Signal Digital

Mass, Volume,

Pressure & Temperature

Volumetric Flow RS-232 Serial

Output Signal Analog Mass Flow Volumetric Flow 0-5Vdc

Optional Output Signal

Secondary Analog

Mass, Volumetric

Pressure or

Temperature

Volumetric Flow

0-5 Vdc or 0-10Vdc

or 4-20mA

Electrical Connections 8 Pin Mini-DIN

Supply Voltage 7 to 30 Vdc (15-30Vdc for 4-20mA outputs)

Supply Current 0.035Amp (+ output current on 4-20mA)

Mounting Attitude Sensitivity 0% Tare after installation

Warm-up Time < 1 Second

Wetted Materials

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

Nylon, Aluminum.

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

operating pressures >10PSIG, please contact Application Assistance for more details.

2. If your application demands a different material, please contact Application Assistance for available options.

The following specications are for the standard conguration of the Alicat product as shipped from the

factory. There are many low-cost customization options available.

Full Scale Flow

Mass Meter

Full Scale Flow

Volumetric Meter

Mechanical

Dimensions

Process

Connections

Pressure Drop

(PSID)

0.5SCCM to 1SCCM 0.5CCM to1CCM

3.9”H x 2.4”W x

1.1”D

M5 (10-32) Female

Thread*

1.0

2SCCM to 50SCCM 2CCM to 50CCM 1.0

*Units ≤50SCCM F.S. are shipped with M5 (10-32) Male Buna-N O-ring face seal to 1/8” Female NPT ttings.

These adaptor ttings were selected for customer convenience in process connection. It should be noted that

the 1/8” Female NPT introduces additional dead volume. To minimize dead volume, please see Accessories for

the M5 Male to 1/8”OD compression tting.

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

ttings.

2. Venting to atmosphere. Lower Pressure Drops Available, please contact Application Assistance.

Mechanical Specications

Technical Data for Micro-Flow and Ultra-Low Flow Mass & Volumetric Flow Meters

0 to 0.5SCCM Full Scale through 0 to 50SCCM Full Scale

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 47 48

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Alicat V Series Volumetric Flow Meter Manuel d'utilisateur Page 33

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