Other Sites of Interest


AI-TEK Instruments makes hundreds of types of speed sensors. Three technologies are used; variable reluctance, magneto-resistive and Hall Effect to convert motion into an electronic signal. In addition to the full range of speed sensors, we also offer electronic indicators and controllers as well as a full range of other accessories which are too numerous to include in this section of our On-Line catalog. 
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  • Magnetic Rotary Speed Sensors
  • Hall Effect Rotary Speed Sensors
  • Digital Tachometers, Controllers & Accessories

Rely On Ashcroft for the most reliable Process Pressure Gauges, Industrial Pressure Gauges, Stainless Pressure Gauges, Test Gauges, Commercial Gauges, Digital Pressure Gauges, Diaphragm Seals, Temperature gauges and switches. 
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  • Ashcroft Pressure Switches
  • Process Gauges
  • Industrial Gauges

ACR offers a complete line of compact Information Loggers to measure and record temperature, relative humidity, electric current, pressure, process signals, pulse frequency, power quality and more. View More....

  • ACR JR. Data Logger
  • ACR OWL ET Series
  • ACR SmartReader Plus

Alnor is the leading manufacturer of test and measurement instruments used worldwide by HVAC Contractors, Industrial Hygienists, Lab Managers, Facility Managers, Plant Engineers and Calibration Technicians. These Alnor products are available for rapid delivery, and application assistance is always free at (800) 576-6308.  View More....

  • Air Volume Meter
  • Air Pressure Meter
  • Air Velocity Meter

Automatic Timing and Controls is a manufacturer of industrial timers, industrial relays, industrial electronic controllers, sensors, indicating and tower lights, counters, and devices for instrumentation and control of automated machinery.
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  • Timers
  • Counters
  • Sensors

Throughout the world, Barksdale Inc. products can be found in steel mills, on machine tools, in auto plants, in power generation and distribution facilities, in chemical processing plants, in pulp and paper mills, textile mills, amusement parks, and food processing plants, on offshore drilling rigs, in oil and natural gas fields, rescue equipment, and on many forms of transportation equipment, both on- and off-road. Barksdale is the leading supplier of products to measure temperature, pressure, level or flow.  View More....

  • Switches
  • Control Valves
  • Pressure Transducers

Marsh Bellofram designs and builds several types of air pressure regulators. General purpose regulators are designed for typical industrial use and operate above atmospheric pressure. High pressure regulators are rated for inlet pressures over 1000 psi, and low pressure regulators operate at pressures below 15 – 20 psi. With dual stage regulators, the media flows through successive chambers so that a constant pressure is delivered even when the pressure regulator inlet pressure decreases. View More....

  • Precision and General Purposes Air Regulators
  • Servo Pressure Regulators
  • Process Gauges.

BuTech Pressure Systems is a leading manufacturer of High Pressure Valves, Tubing, Fittings and Accessories. For nearly 30 years, the Company has been a recognized leader in High Pressure Piping Components. Butech products operate in the range of 6K - 150KPSI.  View More....

  • Pressure Valves
  • Pipe valves
  • Butech Adapters

Chem Tec is a manufacturer of Flow Monitors, Flow Meters, Flow Switches, and Excess Flow Valves for 30 years. Chemtec Flow Switches (also known as Flow Monitors and Flow Sensors) give switch contact at a predetermined flow rate. Flow Meters provide varying electrical output with fluid flow. Excess Flow Valves are normally open valves that close automatically at a predetermined flow rate. View More....

  • Corrosive and Non corrosive Liquids Flow Meters
  • Adjustable flow monitors
  • Flow Valves

GO Switch “leverless limit switches” provide reliable position sensing in the most demanding applications, including extremely hot, cold, wet, dry, abusive, corrosive and explosive plant conditions.  View More....

  • GO Switch - Model 11
  • GO Switch - Models 71
  • TopWorx Defender

GE Measurement & Control Solutions is a leading innovator in advanced measurement, sensor-based and inspection solutions that deliver accuracy, productivity and safety to customers in a wide range of industries, including oil & gas, power generation, aerospace, transportation and healthcare.   View More....

  • Oxygen Analysis
  • Flue Gas Analysis
  • Trace Moisture

Haskel International Inc. is the world's leading manufacturer of hydraulic and pneumatic driven, high pressure systems and accessories. For nearly 60 years, Haskel has manufactured a wide range of high pressure air driven liquid pumps, gas boosters, air amplifiers, systems and accessory equipment.   View More....

  • Hydro Pneumatic Boosters
  • Air Pressure Amplifier
  • Chemical Injection Pump

Infrared USA is a division of Total Temperature Instrumentation, Inc. — Infrared USA division to better serve our Infrared Temperature Measurement customers. Infrared USA operates out of the same offices as TTI Instruments and is supported by the same dedicated staff.    View More....

  • Temperature Measurement Equipments
  • Infrared Thermometers
  • I.R. (Infrared) Sensors

International Power produces American Made Open Frame DC Power Supplies. We provide stock delivery on-line ordering, and toll free application assistance. Replacement models for Power-One & Condor. View More....

  • American Made DC Power Supplies
  • Single Output Linear Power Supplies
  • Triple Output Linear Power Supplies

Laurel Electronics provides digital panel meters / controllers, totalizers, counters, loop-powered meters, temperature meters, for all types of transducers or process indication & control. View More....

  • DC Panel Meter
  • Linearizing Meter
  • DC Voltage Transmitters

Meriam Manometers have many advantages in this age of technology because of their inherent accuracy and simplicity. Manometers are unique in being both pressure measurement instruments and standards for calibration of other instruments.View More....

  • Manometers
  • MFC Hart Communicator
  • DMS Plant Asset Management System

For eighty years Partlow has been a leader in instrumentation design and manufacture. These products include indicators, controllers, setpoint programmers,and recorders which handle process variables such as temperature, pressure, level, and flow. View More....

  • Electronic Recorders
  • Electronic Controllers
  • Mechanical Recorders

PULS Power manufactures DIN-rail switched-mode power supplies, with a focus on standard units. Application assistance and on-line ordering for PULS Power Supplies are available through FLW, Inc.  View More....

  • Single phase AC/DC Power Supplies
  • Three-phase AC/DC Power Supplies
  • DC/DC Converter

TSI's ACCUBALANCE® Air Capture Hood 8371 measures the air volume flowing through registers, diffusers, and grilles.Weighing just seven and one half pounds.   View More....

  • Airflow Instruments
  • Air Quality
  • Flow Meter

Wallace & Tiernan precision pressure gauges and calibrators are now manufactured by WIKA Instrument Corp. in Germany. They imported into the U.S. where they are certified to NIST Standards before shipment.    View More....

  • High Precision Gauges
  • Indicators and Transmitters
  • Test Gauges, Differential Gauges, Test Equipments 

Wika features the broadest line of general purpose gauges for end user and OEM applications. These gauges are available in a variety of mounting configurations. Wika commercial pressure gauges are designed for long and reliable service under rugged conditions.   View More....

  • Commercial Gauges
  • Industrial Gauges
  • Custom OEM Desings
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