Founded in 1992 in Lansdale, Pennsylvania, Probes Unlimited designs and manufactures custom OEM temperature sensors and control devices. The privately held company was acquired by Ernest DeLany in 1999 and pairs in-house engineering experience with flexible production for both low-volume builds and automated high-volume assemblies. Its service can extend from sensor design through installation, with NIST-traceable calibration available for custom precision sensors.
NIST Certificates
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Declaration of Conformity to CA Prop 65
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Declaration of Conformity to RoHS
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Declaration of Conformity to Reach SVHC
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Tasseron Sensors IncWith roots in a Dutch company founded in 1920, Tasseron Sensors Inc. manufactures sensors and controls for HVAC, building automation, and OEM equipment, including custom temperature-sensing solutions. The North American subsidiary opened in 2004 and now builds many products at its Montoursville, Pennsylvania, manufacturing facility, drawing on a group history that includes more than 200 million custom sensors sold. Tasseron produces more than 1,000 sensor models annually and works with OEMs to tailor designs to their applications.MONTOURSVILLE, PA
McShane, IncFounded by Philip Johnson in 1964, McShane, Inc. designs and manufactures temperature controllers, sensors, and custom control systems for OEM and industrial customers from its facility south of Cleveland. Its core work extends beyond standard products to prototype and volume manufacturing, including customized multi-zone and multi-channel systems for applications ranging from semiconductor equipment to medical instruments. McShane also provides contract and private-label manufacturing for specialized control needs.MEDINA, OH
PYCO, LLCFounded in 1957, PYCO, LLC manufactures precision temperature sensors for demanding industrial and power-generation applications. The Fairfield, New Jersey company builds its sensors in the United States and supports them with factory calibration, documented traceability, and technical service. PYCO’s work is backed by more than 70 years of experience and ISO 9001:2015 certification.PENNDEL, PA