Thermometrics NTC Type AB6 Series Thermistor Assemblies consist of small thermobeads and GCs (chip-in-glass) that are welded to insulated extension leads. Thermobead and GC assemblies are used where a small thermistor must be further connected to longer leads, and for applications requiring fast response measurements in confined spaces.
The thermobeads or GC (chip-in-glass) are hermetically sealed in glass and have fine diameter 0.0007 in to 0.004 in (0.01778 mm to 0.1016 mm) platinum alloy leads. The platinum leads are cut short and welded to insulated extension leads and the joints are covered in one of several insulation types, depending upon the application or environment. The assembly is then ready for insertion into hypodermic needles, catheters or other small housings that require extended leads.
Features
Specifications
| Type | Description | Application |
| AB6A8 | Thermistor is welded to 38 gauge, nickel alloy 200, bifilar heavy ISONEL insulated extension leads, 6.5 ft (1.98 m) ±0.5 ft (±0.15 m) long. Liquid epoxy resin web over weld joints provides some strain relief. | For insertion into plastic tubing or other insulators. Maximum continuous operating temperature is 221°F (105ºC). |
| AB6B2 | Thermistors welded to 38 gauge, nickel alloy 200, bifilar, heavy ISONEL insulated extension leads, 6.5 ft (1.98 m) ±1/2 ft (±0.15 m) long. Polyimide sleeve is epoxied over weld joints and thermistor, for strain relief and insulation. | For insertion into metal housings or tubings. Bead covered for maximum strain relief and protection. Maximum continuous operating temperature is 347°F (175ºC). |
| AB6B4 | Thermistor is welded to 38 gauge, nickel alloy 200, bifilar, heavy ISONEL insulated extension leads, 6.5 ft (1.98 m) ±0.5 ft (±0.15 m) long. Polyimide sleeve is epoxied over weld joints and up to back of thermistor bead, for strain relief and electrical insulation. | For insertion into metal housings or tubings with close tolerances. Bead is exposed as much as possible for faster response. Maximum continuous operating temperature is 221°F (105ºC). |
| AB6C8 | Thermistor bead is welded to 38 gauge, nickel alloy 200, bifilar, heavy ISONEL insulated extension leads, 6.5 ft (1.98 m) ±0.5 ft (±0.15 m) long. Multiple conformal dipcoats of liquid epoxy resin are applied for complete insulation when immersed in fluids. | For use where fastest response times are required and assembly will be fully immersed in conductive fluids. Maximum continuous operating temperature is 221°F (105°C). |
| AB6D2 | Thermistor is welded to 38 gauge, nickel alloy 200, bifilar, heavy ISONEL insulated extension leads, 6.5 ft (1.98 m) ±0.5 ft (±0.15 m) long. Small web of epoxy is painted over weld joints for electrical isolation and strain relief, and a heat sealed mylar sheath covers the bead. | For fast response times, limited depth of immersion, and best long term immersion qualities. Maximum continuous operating temperature is 257°F (125°C). |
| AB6E3 | Thermistor is welded to 38 gauge, nickel alloy 200, bifilar, heavy ISONEL insulated extension leads 6.5 ft (1.98 m) ±0.5 ft (±0.15 m) long. Polyimide sleeve is epoxied over welds for strain relief and electrical insulation, multiple conformal dip coatings of liquid epoxy resin are applied for complete immersibility in conductive fluids. | For use in applications where fast response, good strain relief and full immersion are required. Maximum continuous operating temperature is 221°F (105ºC). |
| AB6E5 | Thermistor is welded to 38 gauge, nickel alloy 200, bifilar, heavy ISONEL insulated extension leads, 6.5 ft (1.98 m) ±0.5 ft (±0.15 m) long. Polyimide sleeve is epoxied over bead and weld joints for strain relief and insulation. Liquid epoxy resin conformal dipcoats are applied for moisture sealing. | For use where assembly will be subjected to limited fluid immersions and where maximum strain relief is also required with minimum outside diameter. Maximum continuous operating temperature is 221°F (105°C). |
| AB6E8 | Thermistor is welded to 38 gauge, nickel alloy 200, bifilar, heavy ISONEL insulated extension leads 6.5 ft (1.98 m) ±0.5 ft (±0.15 m) long. Polyimide sleeve is epoxied over welds and thermistor for strain relief and electrical insulation. Multiple conformal dip coatings of liquid epoxy resin are applied for complete immersibility in conductive fluids. | For use in applications where superior strain relief and full immersion are required. Maximum continuous operating temperature is 221°F (105°C). |
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