Okazaki AMS2750 Supported Resin Molded Sleeve Type Sheathed Thermocouples
Updated: 5 days ago
Nichiboku's industrial Insights
Introduction
The Okazaki AMS2750 Supported Resin Molded Sleeve Type Sheathed Thermocouple is a special-specification temperature sensor manufactured with Okazaki MI cable.
Okazaki states that the thermocouple meets AMS2750 requirements covering measurement error, lot length and calibration differences at both ends of the lot. Verification is performed using calibration equipment traceable to NIST or an equivalent national standards organization.
The product is manufactured through an automated production system. Okazaki also states that products with a process capability index of Cpk 1.33 or higher can be supplied.

Engineering Relevance
For temperature-measurement projects subject to AMS2750 requirements, identifying only the thermocouple type or external construction is insufficient.
The complete sensor configuration can affect measurement accuracy, installation compatibility and conformity with the applicable project documentation. Thermocouple type, sheath construction, dimensions, measuring junction, lead wire, termination and calibration requirements must therefore be defined before quotation.
The resin-molded sleeve configuration should not be treated as interchangeable with another sheathed thermocouple solely because its probe, lead wire or connector appears similar.
Confirmed Manufacturer Information: Okazaki AMS2750 Sheathed Thermocouple
Parameter | Confirmed Manufacturer Information |
Manufacturer | Okazaki Manufacturing Company |
Official Product Designation | AMS2750 Supported Resin Molded Sleeve Type Sheathed Thermocouples |
Product Category | Special-specification sheathed thermocouple |
Sensor Construction | Resin-molded sleeve type |
Cable Construction | MI cable manufactured in-house by Okazaki |
Published Standard Support | Manufacturer states that the thermocouple meets AMS2750 requirements |
Traceability Basis | Calibration equipment traceable to NIST or an equivalent national standards organization |
Published Verification Scope | Measurement error, lot length and calibration difference at both ends of the lot |
Production Method | Fully automated production system |
Process Capability | Supply with Cpk 1.33 or higher is stated as available |
Sheath Options | Various sheath outside diameters and materials available upon request |
Product Catalog | OMC-8015 |
Individual Model Code | Not stated as one universal code on the official product page |
Specification Boundary
The official product page does not publish one fixed thermocouple type, temperature range, sheath material, outside diameter, probe length, measuring-junction construction, lead-wire specification or connector arrangement for every order.
These parameters are configuration-dependent and must be confirmed through the applicable Okazaki catalog, manufacturer drawing, previous purchase documentation or project specification.
The published page also does not identify the applicable AMS2750 revision for a specific order. The required revision, calibration scope, traceability documentation and acceptance criteria must be stated in the RFQ and verified by the manufacturer.
Product-level AMS2750 support does not by itself confirm that an entire furnace, instrumentation loop or pyrometry system complies with the project requirements.
Model-Code Identification and Virtual Catalogs
The Okazaki Model Code Identifier can be used to review model-code fields and access available virtual catalogs before preparing an RFQ.
The application is a preliminary identification and catalog-navigation resource. Its result should be cross-checked against the original Okazaki drawing, complete order code, existing sensor label or purchase record. Final configuration and supply feasibility remain subject to manufacturer verification.

Technical Information Required for Quotation
Required Information | Information or Evidence to Provide |
Identification | Complete Okazaki model code, sensor label, drawing or previous purchase order |
Thermocouple Type | Exact thermocouple type and number of measuring circuits |
Sheath | Material, outside diameter and total or insertion length |
Measuring Junction | Required junction construction according to the original specification |
Sleeve Assembly | Resin-molded sleeve dimensions and applicable construction |
Lead and Termination | Lead-wire type, insulation, length, connector or terminal arrangement |
Temperature Conditions | Normal, minimum and maximum operating temperatures |
Process Environment | Atmosphere, mechanical exposure and installation conditions |
Mounting | Connection method, insertion arrangement and dimensional restrictions |
AMS2750 Requirements | Applicable revision, project acceptance criteria, calibration points and required traceability documentation |
Commercial Requirement | Quantity, end user, direct purchase or tender, destination and quotation deadline |
When available, photographs of the complete sensor, identification label, probe, sleeve, lead wire and termination should accompany the RFQ.
Service Life and Replacement Assessment
Okazaki does not state a universal service-life value for this thermocouple on the referenced product page.
Replacement intervals should be established from the applicable AMS2750 or project quality requirements, calibration results, operating conditions and the end user’s inspection procedures. Service life should not be inferred only from elapsed installation time or external appearance.
International Sourcing from Japan
Nichiboku supports engineers, aerospace-industry procurement teams, maintenance departments, EPC contractors and industrial end users requiring identified Okazaki temperature sensors from Japan.
Review Okazaki Manufacturing products, consult the Okazaki Model Code Identifier and virtual catalogs, and submit the confirmed technical information through the Nichiboku industrial equipment RFQ form.
Quotation and international supply remain subject to confirmation of the complete sensor configuration and current manufacturer availability.
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