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Crouzet 79696034 K-Type Thermocouple Equivalent & Substitute Parts
Part Overview
The Crouzet 79696034 is a K-Type temperature sensor designed for high-temperature measurement applications spanning 0 to 1100°C. This non-grounded thermocouple features exposed lead wires with a 2-meter lead length and 500mm protective tube, suitable for direct insertion into industrial processes. The product is classified as obsolete, making equivalent and substitute parts necessary for ongoing maintenance and new system designs. Substitute parts must maintain functional compatibility across critical electrical and mechanical parameters while meeting current availability and compliance requirements.
Substiute Parts
Key Parameters
| Parameter | Crouzet 79696034 |
|---|---|
| Element Type | K-Type |
| Temperature Range | 0 ~ 1100°C |
| Conductor Type | Non-Grounded |
| Terminal Type | Exposed Lead Wires |
| Lead Wire Length | 2m (6.562') |
| Protective Tube Length | 500mm |
| Protective Tube Diameter | 3mm |
| RoHS Status | RoHS Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the Crouzet 79696034 is determined by the following critical parameters:
Primary Compatibility Criteria:
- Element Type: Must be K-Type thermocouple
- Conductor Type: Must be Non-Grounded
- Terminal Type: Must be Exposed Lead Wires
- RoHS Compliance: Must maintain RoHS Compliant status
- MSL Rating: Must be MSL 1 or equivalent
Secondary Consideration Parameters:
- Temperature Range: Substitute must cover the operating range or be suitable for the intended application subset
- Lead Wire Length: Substitute may differ based on installation requirements
- Protective Tube Dimensions: Substitute may vary based on insertion point geometry
The Omron Automation and Safety E52-CA15A D=1 NETU 4M qualifies as a substitute based on matching primary criteria, though with variations in secondary parameters that require application-specific evaluation.
Parameter Comparison
| Parameter | Crouzet 79696034 | Omron E52-CA15A D=1 NETU 4M | Compatibility Notes |
|---|---|---|---|
| Element Type | K-Type | K-Type | Match |
| Temperature Range | 0 ~ 1100°C | 0 ~ 1050°C | Omron range is 50°C lower at maximum |
| Conductor Type | Non-Grounded | Non-Grounded | Match |
| Terminal Type | Exposed Lead Wires | Exposed Lead Wires | Match |
| Lead Wire Length | 2m (6.562') | 4m (13.123') | Omron provides extended lead length |
| Protective Tube Length | 500mm | 150mm | Omron tube is shorter |
| Protective Tube Diameter | 3mm | 1mm | Omron tube is narrower |
| RoHS Status | RoHS Compliant | RoHS Compliant | Match |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | Match |
| Product Status | Obsolete | Active | Omron is currently manufactured |
Engineering Selection Recommendations
The Omron Automation and Safety E52-CA15A D=1 NETU 4M serves as a functional substitute for the obsolete Crouzet 79696034 based on matching element type, conductor configuration, terminal type, and compliance certifications. Both components are RoHS Compliant with MSL 1 ratings, ensuring regulatory and environmental compatibility.
Selection between these parts depends on application-specific requirements:
Choose Crouzet 79696034 (if available from inventory): When existing system designs require the exact 2-meter lead length and 500mm protective tube geometry, and maximum temperature exposure does not exceed 1100°C.
Choose Omron E52-CA15A D=1 NETU 4M: When the application permits the extended 4-meter lead length and shorter 150mm protective tube, and the maximum operating temperature does not exceed 1050°C. This part is currently in active production with 738 units in stock.
Both components maintain identical electrical characteristics for K-Type thermocouple measurement and are suitable for non-grounded applications with exposed lead wire termination.
Frequently Asked Questions (FAQ)
Q: Can the Omron E52-CA15A substitute for the Crouzet 79696034 in all applications?
A: Substitution is valid when the application temperature range does not exceed 1050°C and the installation geometry accommodates the 4-meter lead length and 150mm protective tube. Physical installation constraints must be verified before substitution.
Q: What is the significance of the "Non-Grounded" conductor type?
A: Non-grounded thermocouples have both measurement junctions electrically isolated from the protective tube. This configuration is required for applications where electrical isolation from the measurement point is necessary. Both parts maintain this specification.
Q: Are there differences in measurement accuracy between these parts?
A: Both components are K-Type thermocouples with identical element type and terminal configuration. Accuracy differences, if any, are not specified in the provided parameters and must be obtained from manufacturer datasheets.
Q: Why is the Crouzet part listed as obsolete?
A: Obsolete status indicates the manufacturer has discontinued production. The Omron E52-CA15A D=1 NETU 4M is an active product with current manufacturing support and inventory availability.
Q: Do both parts meet the same compliance standards?
A: Yes. Both components are RoHS Compliant, carry MSL 1 ratings, and share identical ECCN (EAR99) and HTSUS (9032.89.6040) classifications.
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