Choice of Three Materials of Construction: Select from aluminum, brass or stainless steel to meet system and liquid requirements.

Unrestricted Mounting: Allows for horizontal, vertical or inverted installation and does not require straight plumbing on inlet or outlet.

Superior Exterior Design: Weather-tight for use outdoors and/or on systems where wash downs are required.

Rugged and Reliable: Designed as a hydraulic service tool, this monitor will provide years of maintenance-free performance.

High Pressure Operation: The magnetically coupled follower design allows operation to 6000 PSIG and use with liquids.

Many Different Ports Available: Standard selection of NPT, SAE and BSPP ports reduces the amount of adapters required for installation.


Technical Specifications
Measuring Accuracy:

±2.0% of full scale


±1% of full scale

Flow Measuring Range:

0.1-150 GPM (0.5-550 LPM)

Maximum Operating Pressure:

Aluminum and brass meters: 3500 PSIG (240 Bar), Stainless steel meters: 6000 PSIG (410 Bar)

Maximum Operating Temperature:

240°F (116°C) Note: for operation to 600°F (316°C), see our High Temperature Data sheet.

Standard Calibration Fluids:

Oil meters: DTE 25® @ 110°F (43°C), 0.873 sg
Water meters: tap water @ 70°F (21°C), 1.0 sg

Filtration Requirements:

74 micron filter or 200 mesh screen minimum

Materials of Construction:

Window Tube: Polycarbonate

Window Seals: Buna-N, PTFE option 

Casing & End Ports: Anodized Aluminum, Brass, or Stainless Steel

Seals: Buna-N, optional EPR, FKM, or FFKM

Transfer Magnet: PTFE coated Alnico

All other internal parts: Stainless steel

Pressure Differential Graphs

Series-3-01PD Basic Variable Area Flow Meter    

Part Number Guide