Pitot Tubes

Single point sensors with velocity pressure output for indication of air flow rate

Model 166T Telescoping Stainless Steel Pitot Tube Adjustable Design Extends Insertion Length to 36 Inches Unique air flow sensor which can quickly and easily be adjusted for any duct insertion length from 11.5 to 36 inches (29.2 to 91.4 cm). Now, this single compact unit can replace up to five conventional fixed length Pitot tubes. For even greater convenience, it is securely protected by a custom fitted polyethylene carrying case.	Series 160 Stainless Steel Pitot Tube ASME Design Meets AMCA and ASHRAE Codes Constructed from corrosion resistant stainless steel with permanently etched insertion depth graduations for a lifetime of service. The static pressure port is parallel to the sensing tube to allow quick, easy alignment of the tube with air flow. A universal model fits the user supplied 3/4" schedule 40 pipe in any length.	Series 160E Ellipsoidal Tip Pitot Tube Designed to Meet ISO Standard 3966 Precision crafted tip configuration allows air to pass smoothly with minimum turbulence for consistent, reliable readings. Exterior indicator arm is aligned parallel to the 5 in. (13 cm) sensing tip so you always know that unit is properly positioned inside duct.
Series 160F Straight Stainless Steel Pitot Tubes Constructed from corrosion resistant stainless steel for a lifetime of service. Permanent, stamped insertion depth graduations on sides of the Series 160F Pitot facilitate accurate positioning. Static pressure port is parallel to sensing tube allowing quick, easy alignment of tube with the air flow.	Series 160S "S" Type Stainless Steel Pitot Tube Large, Open Tip Design Resists Fouling; Optional Permanent Mount Models For flow measurement of dirty, particulate laden air or gas streams typical in smoke stack and other environmental testing. Large 5/16" dia. stainless steel tubing resists plugging under harsh, sooty conditions which quickly block conventional flow sensors.

Air Flow Switches

Sensors with an electrical contact output at a specific air flow rate.

Model 530 Air Flow Switch

Adjustable from 400-1600 FPM, Stainless Steel Vane

Provides excellent sensitivity and reliability at a very reasonable price.
Quality features include a rugged die cast body, stainless steel vane and SPDT snap switch.
Unit is field adjustable from 400-1600 FPM.
Mounting is fast and simple, with only two screws needed. Vane fits 6" or larger ducts.

Model AAFS Adjustable Air Flow Paddle Switch

Ranges from 200 to 1800 FPM, Stainless Steel Vane, ABS Housing

Capable of detecting a wide range of air velocities with minimal user calibration.
Quality features include a stainless steel vane, galvanized steel base, and ABS enclosure.
Air flow proving in HVAC systems

Series AVFS Air Flow Switch

Monitors Flow in Ducts with Contact Output and Local LED Indication

Specifically designed to monitor air flow in ducts and provides a 3 A contact output to indicate a change or loss of flow.
The AVFS provides a ±5% set-point repeatability across a full scale range of 1-10 and includes a mounting bracket for quick duct mounting