CEI 23-50 C6 Calibration Gauge for S31 Plug Earth Socket and P30 Socket Phase Socket Maximum Expansion Inspection

This CEI 23-50 C6 calibration gauge is a precision inspection instrument designed to verify the maximum permissible expansion of the earth socket in S31-type plugs and the phase sockets in P30-type sockets, in strict compliance with CEI 23-50 standard requirements (formerly CEI UNEL 09320-64). It serves as an essential quality control and safety verification tool for electrical connection components utilized in domestic and similar applications, ensuring that socket dimensional tolerances remain within the specified limits defined by the standard. This rigorous inspection procedure guarantees reliable electrical contact integrity, stable grounding performance, and mechanical compatibility between mating plugs and sockets, thereby preventing potential hazards associated with poor connections, overheating, or electrical failure.

Specifications:

• Compliance: Conforms to CEI 23-50 “Spine e prese per usi domestici e similari – Parte 1: Prescrizioni generali” C6 (ex CEI UNEL 09320-64)
• Application Scope: Inspection of maximum permissible expansion for earth sockets of S31-type plugs and phase sockets of P30-type matching sockets
• Critical Dimension: 6.4^+0.01 mm
• Verification Principle: The gauge shall not penetrate the socket beyond the specified dimensional limit, thereby confirming that expansion does not exceed standard-mandated requirements
• Material Construction: High-precision hardened steel, ensuring dimensional stability, wear resistance, and durability for repeated calibration cycles
• Dimensional Tolerance: Tightly controlled manufacturing tolerances to meet the standard’s precision requirements for accurate expansion detection

Test Procedures:

• Preparation: Prepare the plug (earth socket) or socket (phase socket) under test, ensuring the socket interface is clean, intact, and free from debris, mechanical deformation, or excessive wear.
• Gauge Verification: Inspect the calibration gauge to confirm it meets the 6.4^+0.01 mm dimension requirement, with no deformation, corrosion, or surface damage that could compromise measurement accuracy.
• Alignment: Align the gauge with the target socket (earth socket of the plug or phase socket of the socket) in the natural insertion direction specifie… (truncated)