National Basic Sensor

What National Basic Sensor does

National Basic Sensor is a privately held, family-owned US manufacturer of industrial temperature measurement products, founded in the early 1900s and headquartered in Huntingdon Valley, Pennsylvania. The company designs and builds thermocouples (including its registered Naba-Pak® mineral-insulated line), resistance temperature detectors (RTDs) in platinum, nickel, and copper variants, thermowells, protection tubes, thermocouple wire, instrumentation (HART and programmable RTD transmitters, displays), and supporting components. Its core technology rests on classical thermoelectric principles, with mineral-insulated MgO-compacted constructions enabling temperature coverage from approximately -200°C to 1300°C+ and durability under harsh process conditions; the company also operates an ISO 9001:2015-certified, ISO 17025-compliant in-house calibration laboratory capable of NIST-traceable calibrations from -78°C to 1454°C.

The business model is direct sales-led, combining an inside sales team for catalog and information requests with outside field representatives, supplemented by an online product configurator for customer self-service. Pricing is quote-based, with corporate agreements, blanket purchase orders, and consignment programs available to established accounts. Revenue streams are split between hardware sales of configured sensors/components and professional calibration and certification services. The customer base is concentrated in industrial manufacturing — notably plastics processing (injection molding, extrusion, melt-temperature monitoring) and process industries requiring reliable temperature measurement under pressure, corrosion, or abrasion. Geographic scope is limited to the Northeast United States with no stated international expansion, and the company shows no external funding, acquisitions, or recent leadership changes.

Name

National Basic Sensor

Legal name

National Basic Sensor

Website

https://nationalbasicsensor.com

Company type

Private

Founded year

1900

Operating status

Operating

Headcount range

11–50 employees

Short description

National Basic Sensor is a 100+ year-old, family-owned US manufacturer of thermocouples, RTDs, thermowells, protection tubes, and calibration services, serving industrial manufacturing and plastics-processing buyers in the Northeast United States through direct sales and an online product configurator.

Ownership category

akta.pro rank

Product category

Industrial Temperature Sensors

NAICS

Other Measuring and Controlling Device Manufacturing (334519), Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515)

SIC

Instruments For Meas & Testing Of Electricity & Elec Signals (3825), Refrigeration & Service Industry Machinery (3580)

akta.pro primary industry

Thermistors & Temperature Sensors (NTC/PTC/RTD Elements) (HDAHANAH)

akta.pro secondary industry

Environmental Sensors (Temperature/Humidity/Gas/Air Quality) (HDAHALAD)

Keywords

• Temperature measurement sensors
• Thermocouples and RTDs
• Industrial temperature sensing
• Sensor calibration services
• Thermowells and protection tubes

Headquarters

HQ city

Huntingdon Valley

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Temperature Sensor Products: Sales of thermocouples, RTDs, thermowells, protection tubes, wire, and components. Products are sold through direct sales team with customization options via online product configurator. Includes various junction styles, sheath materials, and configurations for industrial applications.
2. Calibration and Certification Services: NIST traceable calibration services for temperature sensors. ISO 9001:2015 certified laboratory providing calibration documentation. Calibrates thermocouples, RTDs, and difficult-to-calibrate units including non-removable thermowells and mounting brackets.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

National Basic Sensor manufactures and sells industrial temperature measurement products including thermocouples (including the proprietary Naba-Pak mineral-insulated line), RTDs, thermowells, protection tubes, thermocouple wire, instrumentation, and components. The company also operates an ISO 9001:2015 certified in-house calibration laboratory providing NIST traceable calibration services for thermocouples, RTDs, and related temperature instruments.

Product overview

National Basic Sensor is a manufacturer of temperature measurement products with over 100 years of experience. The company produces a comprehensive portfolio including thermocouples (Naba-Pak mineral-insulated probes, pipe assemblies, vacuum furnace and plastic industry sensors), RTDs (platinum/nickel/copper based detectors), thermowells (threaded/flanged/vanstone/socket-weld/weld-in configurations), protection tubes (metal and ceramic), wire products (insulated thermocouple and extension wire), instrumentation (HART transmitters, RTD transmitters, temperature displays), components (connection heads, connectors, fittings), and bimetal thermometers. The company also provides custom manufacturing and ISO 9001:2015 certified calibration services.

Differentiator

Problem solved

Functional benefit

Brands

• Naba-Pak: Mineral insulated, bendable thermocouple product line with various junction styles and configurations.

Products and services

• Thermocouples Temperature sensors composed of two dissimilar metals joined at one end to form a measuring junction. Includes mineral-insulated Naba-Pak probes, pipe assemblies, vacuum furnace probes, and plastic industry sensors for industrial process temperature monitoring.
• Naba-Pak Mineral Insulated Thermocouples Proprietary mineral-insulated (compacted high purity MgO) thermocouple probes covering -200°C to 1300°C+ range. Available in grounded, isolated, and exposed junction styles with leads, connectors, or connection heads for harsh industrial process conditions.
• RTDs (Resistance Temperature Detectors) Platinum, nickel, and copper-based temperature sensors with TCR values of 0.00385, 0.00672 Ω/Ω/°C. Configurable with stainless steel sheaths, leadwires, connection heads, and process fittings. Available with 2-wire, 3-wire, or 4-wire lead configurations and Class A or Class B tolerance per IEC-751.
• Thermowells Pressure and velocity-resistant protective wells for temperature instruments. Available in threaded, flanged, vanstone, socket-weld, and weld-in configurations with straight, stepped, or tapered shanks.
• Protection Tubes Heavy-duty protective tubes for thermocouples. Available in metal (Series 5T) and ceramic (Series 5T, 5TP, 5TS/5TK, 5TF) variants with various mounting bushings and sleeve options for demanding process environments.
• Thermocouple Wire Thermocouple wire and extension wire including bare, fiberglass insulated, high temperature fiberglass, Refrasil insulated, ceramic insulated, and PVC insulated variants.
• Components Temperature sensor accessories including insulators, connection heads and blocks, connectors, compression fittings, and bayonet adaptors.
• Instrumentation Temperature measurement support equipment including programmable RTD transmitters (5333D), HART protocol transmitters (5335D, 7501), programming kits, and sensor/wall-mounted temperature displays (DM650TM).
• NIST Traceable Calibration Services ISO 9001:2015 certified calibration laboratory using SPRT and thermocouple reference standards. Calibrates thermocouples, RTDs, and difficult-to-calibrate units including non-removable thermowells and mounting brackets over a temperature range of -78°C to 1454°C with ISO 17025 compliance.
• Bimetal Thermometers Temperature measurement instruments using bimetallic sensing elements for industrial process temperature monitoring.

Quantifiable outcome

• Temperature range from -200°C to 1300°C+ for thermocouples
• +2 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators4 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Emerson (Rosemount): Emerson's Rosemount line is a leading process measurement franchise that includes temperature transmitters and sensors. It competes with NBS in industrial process applications but as part of a much larger automation and instrumentation portfolio.
• Endress+Hauser: Endress+Hauser is a global process instrumentation incumbent offering temperature, flow, level, and analytical instruments. It overlaps with NBS in industrial temperature measurement but competes from a much broader portfolio and global installed base.

Direct peers

• Pyromation: Pyromation is a US-based manufacturer of thermocouples, RTDs, thermowells, and wire for industrial process applications, with strong overlap to NBS in product line, customer base, and custom-engineered sensor assemblies.
• WIKA: WIKA is a global leader in industrial measurement technology, with a broad portfolio of thermocouples, RTDs, thermowells, and process instrumentation. It directly competes with NBS across the same core temperature-sensor categories and customer segments (industrial process, manufacturing, OEM).
• TC Direct: TC Direct is a supplier of thermocouples, RTDs, thermowells, wire, and related accessories to industrial customers. It directly competes with NBS in the same configurator-driven, quote-based temperature sensor market.
• Watlow: Watlow designs and manufactures thermal solutions including temperature sensors, heaters, and controllers for industrial applications. It directly overlaps NBS in the thermocouple/RTD and thermowell categories, while also operating as a broader thermal-system supplier.
• Omega Engineering: Omega is a large catalog and custom manufacturer of temperature sensors (thermocouples, RTDs), wire, and instrumentation. It is a direct competitor to NBS in configurable temperature probes and accessories sold to industrial users.
• Thermo Electric Company: Thermo Electric is a long-established manufacturer of temperature sensors, thermocouples, RTDs, and wire, with a comparable focus on industrial process measurement and custom assemblies. It is a direct niche peer to NBS in the same legacy product categories.

Emerging players

• JMS Southeast: JMS Southeast is a US temperature-sensor manufacturer focused on thermocouples, RTDs, and wire, with significant overlap to NBS in industrial applications. It is a smaller, comparable niche peer with similar product breadth in the same customer segments.
• REOTEMP Instrument: REOTEMP manufactures temperature and pressure instrumentation, including thermocouples, RTDs, and thermowells, for industrial process markets. It is a comparable US-based niche manufacturer with overlapping product lines and customer base.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about National Basic Sensor