A2L Gas Refrigerant Sensor

A2L Gas Refrigerant Sensor


Technology: Sensing

Product Category: Gas Sensors

Application: HVAC, Refrigeration

Brand: Therm-O-Disc


Reliable A2L Refrigerant sensor with Micro-Machined Membrane (MMM) Technology partnered with NevadaNano Technology that is UL 60335-2-40 Compliant, immune to poisoning, can withstand humid environments up to 100% condensing RH, detect <10 seconds to 25% LFL Level and have 15 years lifetime.

  • Refrigerant

  • Operating Environment
  • *Operating Temperature
  • Thermal Response (Sec.)
  • Agency Compliance
  • Storage Temperature
  • *Operating Humidity Ranges
  • *Operating Pressure Ranges
  • Measurement Range
  • Resolution
  • Response Time
  • Lifetime
  • Communication Interface
  • R-32, R-454 Blends
  • Humid
  • -40°C to 80°C (-40°F to 176°F)
  • <10 to 25% LFL Level
  • UL 60335-2-40 Annex LL
  • -40 to 85°C (unpowered)
  • 0-100% RH Condensing
  • 65 to 110kPa
  • 0-100% LFL
  • 0.1% LFL
  • <10 seconds to 100% LFL step change
  • 15+ years with no calibration required
  • RS-485 Modbus RTU
    Digital serial UART (3.3V or SV)
    Analog (0-3.3V)

*Not required by the UL standard; therefore not evaluated by UL.

  • Enables hydrofluorocarbon (HFC) phasedown using A2L refrigerants less than 750 GWP.
  • Uses Micro-Machined Membrane (MMM) technology.
  • Sensors can be calibrated for R-32 and R-454 blends.
  • Meets all AHRTI testing requirements including vibration testing, and is proven to be best-in-class.
  • Immune to poisoning: Insensitive to poisoning from chemicals listed in UL-60335-2-40 Annex LL.
  • No calibration / maintenance: No false alarms due to ambient conditions with the built-in environmental sensor for temperature, humidity, and pressure.
  • Resistant to condensing environments
  • Long life span: 15+ years

Agency Ratings

(consult catalog for details)

  • Catalog
    A2L Gas Sensor Brochure - Chinese
    Read More
  • Catalog
    A2L Gas Sensor - Japanese
    Read More
  • Catalog
    A2L Gas Sensor - Korean
    Read More
  • Catalog
    A2L Gas Sensor Brochure - English
    Read More
  • DO NOT DELETE OR UNPUBLISH - Test Resource
    Read More

Find a Distributor

Sensience's trusted distributors provide access throughout the world to our selection of the highest quality products and services.

25VS Gas Sensor

25VS Gas Sensor


Technology: Sensing

Product Category: Gas Sensors

Application: Water Heating

Brand: Therm-O-Disc


The 25VS flammable vapor sensor is a silicone-based sensor that detects vapors released during a typical gasoline spill. The 25VS requires no power to operate and offers long life and good sensitivity to most gasoline components within a wide temperature operating range.

  • Operating Environment:
  • Operating Temperature:
  • Thermal Response (Sec.):
  • Humid, Power Vent Water Heater
  • 0°C to 65°C (32°F to 149°F)
  • Gasoline Vapor
  • No external power source needed
  • Enables control module to prevent ignition of vapors inside and outside of water heater
  • Meets Flammable Vapor Ignition Resistance (FVIR) requirements of ANSI Z21.94/CSA 6.31 standard
  • Detects vapors in less than a minute after spill

Agency Ratings

(consult catalog for details)

  • Catalog
    Vapor Sensor Catalog
    Read More
  • DO NOT DELETE OR UNPUBLISH - Test Resource
    Read More

Find a Distributor

Sensience's trusted distributors provide access throughout the world to our selection of the highest quality products and services.

10J Thermistor Sensor Temperature Sensor

10J Thermistor Sensor Temperature Sensor


Technology: Sensing

Product Category: Temperature Sensors

Application: HVAC

Brand: Therm-O-Disc


10J Thermistor Sensor offers cost effective plastic shell solution. Alternate materials and UL recognized models are available.

  • Operating Environment:
  • Operating Temperature:
  • Thermal Response (Sec.):
  • Dry
  • -40°C to 150°C (-40°F to 302°F)
  • <10
  • Plastic housing, lead wire sensor

Agency Ratings

(consult catalog for details)

  • Catalog
    10J Temperature Sensor Product Specifications
    Read More
  • Application Note
    Temperature Sensors Case Study
    Read More
  • DO NOT DELETE OR UNPUBLISH - Test Resource
    Read More

Find a Distributor

Sensience's trusted distributors provide access throughout the world to our selection of the highest quality products and services.

93J Thermistor Sensor Temperature Sensor

93J Thermistor Sensor Temperature Sensor


Technology: Sensing

Product Category: Temperature Sensors

Application: Appliance

Brand: Therm-O-Disc


93J Temperature Sensor offers extremely fast thermal response in a minimal, rugged, cost-effective design. The body can be made from stainless steel, plastic, nickel-plated copper or other customer-specified materials. The internal thermistor element can be selected to meet any resistance-temperature curve and tolerance. The 93J is used in many applications including boiler systems, coffee makers, and many other applications where fast response in liquid is required.

  • Operating Environment:
  • Operating Temperature:
  • Thermal Response (Sec.):
  • Humid, Immersion
  • -40°C to 200°C (-40°F to 392°F)
  • <1
  • Bodies in nickel-plated copper, plastic, stainless steel or others available
  • Custom body lengths, diameters and application-specific mountings are available
  • Excellent moisture resistance
  • Lead wires of various lengths and colors are available
  • Liquid temperature sensing

Agency Ratings

(consult catalog for details)

  • Catalog
    93J Temp Sensor Product Specifications
    Read More
  • Application Note
    Temperature Sensors Case Study
    Read More
  • DO NOT DELETE OR UNPUBLISH - Test Resource
    Read More

Find a Distributor

Sensience's trusted distributors provide access throughout the world to our selection of the highest quality products and services.

36J Thermistor Sensor Temperature Sensor

36J Thermistor Sensor Temperature Sensor


Technology: Sensing

Product Category: Temperature Sensors

Application: HVAC

Brand: Therm-O-Disc


36J Thermistor Sensor offers the electronic advantage of a thermistor in the time-honored and versatile packaging of Therm-O-Disc’s 36T series. The Thermistor element can be selected to meet any resistance-temperature curve and tolerance. The 36J is used in several applications including clothes dryers, ventilation systems, coffee makers, dishwashers, HVAC systems, and many other applications.

  • Operating Environment:
  • Operating Temperature:
  • Thermal Response (Sec.):
  • Small Design, Measures Airstream or Surface Temperature
  • -40°C to 200°C (-40°F to 392°F)
  • <2
  • 11, 13, 15, 18 and 22mm pipe diameter clips available for Tube Mount body option
  • 2.8 & 6.35 mm quick-connector terminal blades for fast wiring or molded-in connector options
  • No mount, Tube Mount, Airstream Mount, Surface Mount and Wide Flange Mount options are available as standard. Others available upon request.
  • PPS plastic bodies with stainless steel or aluminum caps standard with other materials available

Agency Ratings

(consult catalog for details)

  • Catalog
    36J Temp Sensor Product Specifications
    Read More
  • Application Note
    Temperature Sensors Case Study
    Read More
  • DO NOT DELETE OR UNPUBLISH - Test Resource
    Read More

Find a Distributor

Sensience's trusted distributors provide access throughout the world to our selection of the highest quality products and services.

13J Thermistor Sensor Temperature Sensor

13J Thermistor Sensor Temperature Sensor


Technology: Sensing

Product Category: Temperature Sensors

Application: HVAC

Brand: Therm-O-Disc


13J Temperature Sensor offers extremely fast thermal response in a minimal, rugged, cost-effective design. The internal thermistor element can be selected to meet any resistance-temperature curve and tolerance. The 13J is used in many applications including boiler systems, coffee makers, and many other applications where fast response in liquid is required.

  • Operating Environment:
  • Operating Temperature:
  • Thermal Response (Sec.):
  • Dry, Exposed NTC
  • -40°C to 200°C (-40°F to 392°F)
  • <1
  • Leadwire thermistor with shrink tube NTC

Agency Ratings

(consult catalog for details)

  • Catalog
    13J Temp Sensor Product Specifications
    Read More
  • Application Note
    Temperature Sensors Case Study
    Read More
  • DO NOT DELETE OR UNPUBLISH - Test Resource
    Read More

Find a Distributor

Sensience's trusted distributors provide access throughout the world to our selection of the highest quality products and services.

95J Thermistor Sensor Temperature Sensor

95J Thermistor Sensor Temperature Sensor


Technology: Sensing

Product Category: Temperature Sensors

Application: HVAC

Brand: Therm-O-Disc


95J Thermistor Sensor offers fast thermal response in a threaded, rugged, cost-effective design. The body can be made from stainless steel, nickel-plated brass, plastic or other customer-specified materials. The internal thermistor element can be selected to meet any resistance-temperature curve and tolerance. The 95J is used in many applications including boiler systems, and many other applications where fast response in liquid is required.

  • Operating Environment:
  • Operating Temperature:
  • Thermal Response (Sec.):
  • Humid or Gas, Immersion
  • -40°C to 150°C (-40°F to 302°F)
  • <1
  • Bodies in nickel-plated brass, stainless steel or others available
  • Custom body lengths, diameters and application-specific thread sizes / mountings are available
  • Excellent moisture resistance
  • Liquid temperature sensing
  • Lumberg and AMP connector systems (lead wires available as an option)

Agency Ratings

(consult catalog for details)

  • Catalog
    95J Temp Sensor Product Specifications
    Read More
  • Application Note
    Temperature Sensors Case Study
    Read More
  • DO NOT DELETE OR UNPUBLISH - Test Resource
    Read More

Find a Distributor

Sensience's trusted distributors provide access throughout the world to our selection of the highest quality products and services.