Palmer Wahl Instruments, Inc.

United States
  • Booth: 2430

Pressure and Temperature Measurement for Industry


Palmer Wahl Instruments, Inc, offers a wide variety of temperature and pressure instruments for industry. Featuring Heat Spy Fixed Infrared sensors - ideal for monitoring critical temperatures during all steps of metal processing without contact. Available in an assortment of spectral ranges, emissivities, temperatures, and distance to spot ratios, with accuracies as high as 0.3% of measured value, to meet the requirements of your process.Visit or 1-800-421-2853 or email

Brands: Wahl Heat Spy, Palmer Instruments, Inc., Wahl Instruments, Inc.


  • Wahl Heat Spy R40 Fixed Infrared Sensor
    The Wahl Heat Spy R40 Series of Fixed Infrared Sensors are an easy to install, all-in-one solution for precise temperature readings. The R40 offers spectral ranges from 1.0μm up to 8 to 14μm and temperatures up to 5432°F (3000°C)....

  • The Wahl Heat Spy R40 Series of Fixed Infrared Sensors are an easy to install, all-in-one solution for precise temperature readings in a variety of manufacturing applications. This single piece system is equipped with signal processing tools like Peak Hold, Valley Hold, and Averaging which can be conveniently adjusted via the built-in keypad. The backlit 5 digit LCD display is perfect for on-site viewing and adjusting parameters as needed. To ensure a comprehensive range of applications, the model offers spectral ranges from 1.0μm all the way up to 8 to 14μm with temperature ranges that go up to an impressive 5432°F (3000°C). With features like these, you can rest assured that the R40 Series of Fixed Infrared Sensors will provide precise temperature readings for your industrial needs.

    The Wahl Heat Spy Monitor R40 Series All-In-One Fixed Infrared Sensors provide a reliable, consistent, and accurate solution for all of your industrial monitoring needs. Offering models equipped with either thermopile or photodiode sensors, the R40 series is perfectly suited for a wide variety of applications with an assortment of spectral ranges and temperature ranges to choose from. Whether you’re measuring liquid, gas, electric resistances, heat fluxes, temperatures of solids surfaces or searching for moving objects in a 7 x 24 plant our R40 series solutions have you covered.

    For superior performance in even the harshest environments this reliable sensor system has been built into one sealed IP65 (NEMA 4) housing made of ANSI 304 Stainless Steel - eliminating any need for fear that comes with having multiple parts exposed to outside elements. With its integrated keypad and backlit 5 digit LCD display, viewing and setting measuring parameters and signal processing features is now easier than ever before. And with its twelve pin connection cable you can acquire both analog and digital input/output signals simultaneously.  The Heat Spy Monitor R40 Series Sensor provides superior results on a single platform at an affordable price ensuring suitability for manufacturers requiring long term performance at its best.

  • Wahl Dipstick Thermometer Systems for Molten Metal
    Wahl Heat Prober Series Dipstick thermometers measure molten metals quickly, safely, and accurately. Measure ferrous or non-ferrous metals with user selected lance lengths and expendable or reusable tips....

  • Type K and Type S Thermocouple Wahl Heat Prober Dipstick systems measure molten metals quickly, safely, and accurately.  Measure temperatures of ferrous and non-ferrous metals up to 3200°F. Choose from lances 48 inches, 55 inches, 60 inches, and 72 inches, with straight, 45°, or 90° angles.  Temperature resolution is 1°F/1°C with a system accuracy of ±0.3% of reading.
  • Wahl Heat Spy DHS40 Handheld Infrared Thermometer
    The Wahl Heat Spy DHS40 Series Handheld Infrared Thermometers are the upgraded and expanded models of our classic High Performance Handheld Infrareds. Choose from any of the 10 available spectral ranges to measure from -40° to 3000°C (-40° to 5432°F)....

  • The FIRST portable digital non-contact infrared thermometer was introduced by Wahl Instruments in 1967.  Our new DHS40 Series of Non-Contact Infrared Thermometers are the upgraded and expanded models of our perenially popular classic product.

    DHS40 Series models are suitable for a wide range of manufacturing and processing industries such as: ferrous and non-ferrous metals, glass, minerals, ceramics, chemicals, incinerators, electronics, steel and research and development. Available in ten different spectral ranges for the flexibility to measure temperature in a a wide range of applications and temperature ranges.  Choose models that can measure through glass or quartz windows, or through flames.  Models available for measurement of molten metal, hot metal, non-ferrous metal, and low temperature metals, depending on the requirements of your process.

    Offering high reliability and higher accuracy, the rugged, cast and extruded aluminum case provides shielding against EMF interference from machinery and engines. The Wahl DHS40 Series is also the only handheld Infrared with full metal housing on the market.  Two year warranty covers defects in materials and workmanship.  Download the data sheet for full specifications.

    Our complete line of infrared non-contact temperature measurement is available online at  Palmer Wahl's complete line of temperature and pressure measurement solutions for industry can be viewed at Call us at 1-800-421-2853 or (828) 658-3131 or

If you have questions please contact or (724) 814-3000 ext. 2