Key Instruments

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 3000 Series?

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

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*
*QuickShip
0.2 – 40 gph

Air

0.1 – 200 scfh
0.05 – 0.5 lpm
0.1 – 5 lpm*
*QuickShip
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

Filename

File Type

Download the Files

Data Sheet

PDF

Installation & Operation Manual

PDF