AS9100D & ISO 9001:2015 Certified Manufacturer

Precision
Temperature
Sensors Built
to Spec

RTD sensor assemblies and thermocouple systems engineered for aerospace, industrial, and process applications. Manufactured in Northridge, CA since 1965 — with the certifications, traceability, and custom capability that critical applications demand.

60+
Years of precision
manufacturing
63+
RTD & thermocouple
configurations
2x
Dual certification:
AS9100D + ISO 9001

Precision Sensing Solutions for Every Application

From cryogenic RTD assemblies to high-temperature noble metal thermocouples — manufactured to ASTM, IEC 60751, and customer-specified standards with full AS9100D traceability.

Primary Sensing Element

RTD Sensors

Resistance Temperature Detectors in 2-, 3-, and 4-wire configurations. PT100 and PT1000 elements per IEC 60751. Class A and Class B tolerances. Sheath materials from 304 SS to Inconel for aerospace and cryogenic applications.

PT100 / PT1000 2 / 3 / 4-Wire Class A & B IEC 60751 Aerospace RTD Cryogenic
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Thermoelectric Sensing

Thermocouple Assemblies

Types B, C, E, J, K, N, R, S, T thermocouple assemblies per ASTM E230 and IEC 60584. Mineral-insulated metal-sheathed (MIMS) construction. Extended range to 1700°C with noble metal types for high-temperature industrial processes.

Type K / J / T / E Type R / S / B / C MIMS Construction ASTM E230 IEC 60584 To 1700°C
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Rotating Machinery

Bearing Sensors

Miniature RTD and thermocouple assemblies engineered for direct embedment in journal, roller, and thrust bearing applications. Babbitt metal compatible. Low-profile designs for space-constrained rotating machinery and turbine installations.

Journal Bearing Roller Bearing Embedment Design Babbitt Compatible Miniature
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Thermowells

Bar-stock and fabricated thermowells in straight, tapered, and stepped designs. Material options include 316 SS, Inconel, Hastelloy, and carbon steel. ASME PTC 19.3 TW compliant.

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Flanges & Fittings

Weld neck, slip-on, socket weld, threaded, and blind flanges in ANSI Class 150–2500. Custom bore sizing and material specifications available to ASME B16.5.

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Accessories & Wire

Thermocouple and RTD extension wire, connection heads, transmitters (4–20 mA), sanitary clamps, and protection tubes. Wireless temperature options available.

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Critical Applications
Across Every Sector

From flight-critical aerospace assemblies to pharmaceutical validation, our sensors meet the most demanding application requirements with documented traceability and certification compliance.

All Industries

Aerospace

Flight-critical RTD and thermocouple assemblies. Full AS9100D documentation, FAI, and FAIR packages. Cryogenic to high-temperature applications.

AS9100D CERTIFIED

Oil & Gas

Explosion-proof and intrinsically safe configurations. Teflon-coated assemblies for corrosive environments. High-pressure thermowell assemblies.

ISO 9001:2015

Pharmaceutical

3-A sanitary sensors, CIP-compatible assemblies, and FDA-compliant designs. NIST-traceable calibration with certificate of conformance.

3-A SANITARY

Energy & Power

Generator bearing sensors, turbine inlet thermocouples, and boiler temperature assemblies. High-vibration rated designs for rotating equipment.

ISO 9001:2015

Heat Treating

High-temperature noble metal thermocouples (Type R, S, B) for furnace and oven applications. AMS 2750 pyrometry compliance support.

AMS 2750 SUPPORT

Metal Processing

Molten metal immersion thermocouples, high-temperature protection tubes, and ceramic-sheathed assemblies for extreme-environment steel and aluminum processing.

ISO 9001:2015

Food Processing

Sanitary tri-clamp sensors, HTST-rated assemblies, and flush-mount designs for tank temperature monitoring. Washdown-rated construction.

SANITARY DESIGN

Medical

High-accuracy miniature RTD assemblies for laboratory, environmental chamber, and medical equipment temperature monitoring with full documentation packages.

ISO 9001:2015
AS9100D — Rev D:2016
Aerospace Quality Management System
ACTIVE
ISO 9001:2015
Quality Management System
ACTIVE
NIST-Traceable Calibration
Certificate of Conformance Available
AVAILABLE
FAI / FAIR Documentation
First Article Inspection Reports
ON REQUEST

The Certification Your Supply Chain Demands

Thermometrics Corporation holds dual AS9100D and ISO 9001:2015 certification — the aerospace quality standard your procurement team requires. Our quality management system encompasses full traceability from raw material to final shipment, with documented control plans, inspection records, and calibration data available for every aerospace deliverable.

01
Full Material Traceability
Heat lot tracking and certificate of conformance on all sheath materials, sensing elements, and insulation — from raw stock through finished assembly.
02
Cryogenic Testing Capability
Environmental qualification testing to -196°C (LN₂) per customer-defined ATP. Calibration data per IEC 60751 at multiple temperature setpoints.
03
Custom Configuration Engineering
Non-standard sheath OD, specialized terminations, hermetic seals, Mil-spec connectors — engineered to drawing with DFM review and prototype validation.
04
West Coast Aerospace Proximity
Northridge, CA — within 30 miles of Northrop Grumman, Lockheed, Boeing, SpaceX, and Raytheon facilities. Rapid response for AOG and critical-path requirements.
Aerospace Capabilities

Manufacturing Capability at a Glance

27+
RTD Configurations
Standard catalog + custom engineering
36+
Thermocouple Types
Types B, C, E, J, K, N, R, S, T + specials
60+
Years Manufacturing
In continuous operation since 1965
1day
Rush Delivery
UPS Next Day · FedEx Priority One

Beyond the Sensor

Calibration Services

NIST-traceable thermocouple and RTD calibration. Fixed-point and comparison calibration per ITS-90. Certificate of calibration with uncertainty budget provided.

Custom Sensor Design

Engineering from concept to production. Non-standard geometries, specialized alloys, hybrid RTD/thermocouple assemblies, and Mil-spec connector terminations with DFM support.

Prototype & Testing

Rapid prototype development with environmental qualification testing. Cryogenic (-196°C), vibration, pressure, and thermal cycling per customer-specified Acceptance Test Procedures.

Expedited Delivery

AOG and critical-path order support. UPS Next Day Air and FedEx Priority One fulfillment available. Stock sensors ship same day. Rush production scheduling on request.

Ready to Spec
Your Sensor?

Whether you need a standard catalog configuration or a fully custom engineered assembly, our technical team responds to all quote requests within one business day.

Same-day response on standard configurations
Technical review included at no charge
COC, NIST calibration, and FAI available
AS9100D documentation package on request
(818) 886-3755 Email Sales
Quick Quote Request