905 Waverly Avenue, Holtsville, NY, 11742 • 631.207.1200 Fax: 631.207.0900

Manufacturer of Temperature and Pressure

Instruments and Controls Since 1882

Weiss Instruments Temperature and Pressure Instruments and controls have approvals from the following organizations.

Weiss Instruments Temperature and Pressure Instruments and controls is affiliated with the following organizations.

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that have the NSF Approval Listing

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that have the UL Certification in the United States of America

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that have the UL Certification in Canada.

Click here to view TSSA Certifications for Weiss Instruments

Products in the Canadian Provinces

  • Bimetal Dial Thermometers
  • Diaphragm Seals
  • Digital Vari Angle Thermometers
  • Gauge Accessories, Pressure Plugs and Thermal Isolator
  • General Purpose Thermometers
  • Hand Held Digital Thermometers
  • Hot Water Thermometers
  • Industrial Pressure Gauges
  • Low Pressure Diaphragm Gauges
  • Industrial Glass Thermometers
  • Process Pressure Gauges
  • Solar Metrix Digital Pressure Gauge
  • Six Inch and Thrift Line Industrial Thermometers
  • Stainless Steel Industrial Gauges
  • Trade Line, HVAC and Sprinkler Gauges
  • Vapor Actuated Dial Thermometer
  • Digital Transmitters
  • Walk Ins
  • Reach Ins
  • Display Cases
  • Food Warming
  • Ware Washing
  • Product Thermometers
  • Digital Thermometers
  • Monitoring and Accessories
  • Data Loggers
  • Walk in Alarms
  • Controllers and Accessories
  • Food Service Vapor Thermometers
  • Pocket Thermometers
  • General Purpose Thermometers and Testers
  • Thermostats
  • Anti Sweat Controller
  • Infra Red and LED Thermometers
  • Walk in Alarm and Controller Kits
  • Data Loggers
  • Digital Thermometer with Switch Plate
  • Refrigeration/Freezer Controllers
  • Dixell Probes and Accessories
  • Digital Differential Thermometer and Probes
  • Thermo Anemometer and LCD Remote Reading Digital Thermometers
  • NSF Remote Reading Dial Thermometers
  • Union Connected Dial Thermometers
  • Digital Vari angle Thermometer
  • Industrial Glass Thermometers and Trade Line
  • Refrigeration Pressure Gauges and Test Plugs
  • Ammonia, Diaphragm Gauges and Test Plugs
  • HVAC Gauges and Tri o meters
  • Trade Line Gauges
  • General Purpose and Refrigerator / Freezer Thermometers
  • Humidity Tester and Hygrometer
  • Thermostats
  • Vapor Thermometers
  • Digital Thermometers (Solar)
  • Digital Thermometers (LED)
  • Alarms
  • Data Loggers
  • Controls
  • Probes and Accessories
  • Monitoring
  • Monitoring Accessories
  • Gas Thermometers
  • Bimetal Dial Thermometers
  • Light Powered Digital Transmitters
  • Solar Metrix Digital Pressure Gauge
  • Process Pressure Gauges
  • Stainless Steel Industrial Gauges
  • Trade Line, HVAC and Sprinkler Gauges
  • Diaphragm Seals
  • Gauge Accessories, Pressure Plugs and Thermal Isolators
  • TSG Temperature Switch Gauges
  • Analog Thermometers
  • Digital LED Thermometers
  • Digital Solar Thermometers
  • Controls
  • Probes and Accessories
  • Monitoring
  • Data Loggers
  • Monitoring Accessories
  • Analog Thermometers
  • Digital LED Thermometers
  • Digital Solar Thermometers
  • Controls
  • Probes and Accessories
  • Monitoring
  • Data Loggers
  • Monitoring Accessories
  • Food Warming Analog Thermometers
  • Digital Thermometers
  • Digital Solar Thermometers
  • Food Warming Controls
  • Probes and Accessories
  • Monitoring
  • Monitoring Accessories
  • Ware Washing Analog Thermometers
  • Dishwasher Pressure Gauges
  • Digital Thermometers
  • Controls
  • Probes and Accessories
  • Monitoring
  • Monitoring Accessories

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©2011 Weiss Instruments, 905 Waverly Avenue, Holtsville, NY 11742 | 631.207.1200