Skip to main content

3000 Series Polycarbonate Tube Variable Area Flow Meters

Durable and accurate. For exposed panel-mounted applications.

Models 3000

Economy combined with accuracy: MR3000 Series variable area flow meters from Key Instruments provide a proven, easy-to-read device to monitor and control air and water flows. Well-suited for easy integration into industrial instrument panels, MR3000 Series VA flow meters are constructed of high-impact resistant polycarbonate and are available with 24 different air and water ranges.

PHOTOS

Questions on the 2500 Series Custom Solutions?

Talk to one of our application engineering experts by calling: 215-788-5523

For pricing information:
Request a Quote

Features

  • Flow Ranges:
    • Air: 50 ccm to 100 lpm
    • Water: 4 ccm to 40 gph
  • Standard black body, custom colors available upon request
  • Ideal for OEM panel mounted equipment

Benefits

  • Clear, easy-to-read 10:1 turn direct reading scales
  • Durable, high-impact materials ensure long-lasting performance
  • Precision-adjusting valve for accurate, leak-free control

Applications

  • Industrial air and water delivery systems
  • Air sampling equipment
  • Gas analyzers
  • Medical systems
  • Water treatment and distribution systems

3000

Differentiator

High Purity
Low Flow Rate

Flow Range (Full Scale Capacity)

Water

5 -110 ccm
20 -300 ccm*
0.2 – 40 gph

Air

0.1 – 200 scfh
0.05 – 0.5 lpm
0.1 – 5 lpm*
0.2 – 2.5 lpm
1 – 100 lpm*
*QuickShip

Accuracy

± 4% FS

Max Pressure

100 psig

Max Temperature

65oC (150oF)

Seal Material

Buna-N w/Brass fittings*
Viton® fluoroelastomer w/SS fittings*
*QuickShip

Process Connection Material

Brass*
Stainless Steel*
*QuickShip

Valve Materials

No Valve*
Valve*
Outlet Valve*
*QuickShip

Product Type

Molded Polycarbonate Flow Meter

Differentiator

Compact Size
QuickShip Available

Performance

Flow Range (Full Scale Capacity)

Water

5 – 300 ccm
.2 – 40 gph

Air

.5 – 100 lpm
.1 – 200 scfh

Accuracy

± 4% FS

Ratings

Max Pressure

100 psig

Max Temperature

65oC (150oF)

Mechanical

Float Material

Black Glass
Carbide
Stainless Steel
Aluminum

Seal Material

Buna-N w/Brass fittings;
Viton® fluoroelastomer w/SS fittings

Process Connection Material

—

Valve Materials

Brass;
303 Stainless Steel

Features

Filename

File Type

Download the Files

Data Sheet

PDF

Installation & Operation Manual

PDF

MR3-B-V-BN

DXF / STEP / IGS

MR3-S-V-VT

STEP / IGS

RETURN TO PRODUCTS PAGE