IEC60061 go and no go gauges 7006-27F-1 for E14 lamp test

IEC60061  go and no go gauges  7006-27F-1 for E14 lamp test

7006-27F-1
Go gauge for E14 caps on finished lamps
Purpose: To check the maximum dimensions of the screw thread and dimension T1 minimum of E14 caps on finished lamps.
Testing: When the cap on a finished lamp has been screwed into the gauge as far as it will go, the centre contact shall be co-planar with, or project beyond surface X. "

7006-28B-1
Not go gauge for E14 caps on finished lamps
Purpose: To check the minimum outside(major) diameter of the screw thread, dimension d, of E14 caps on finished lamps.
Testing: When the gauge is placed over the thread of the cap on a finished lamp, held cap uppermost, the centre contact shall not project beyond surface X.
Only the weight of the gauge itself shall be used in the test. "

7006-55-2
Gauge for finished lamps fitted with E14 caps for testing protection against accidental contact
"Purpose: To check protection against accidental contact.
Testing: The shape of the lamp with regard to protection against accidental contact is assumed to be correct if the test sample being pushed as far as possible into the gauge, plane W does not protrude beyond plane V. "

7006-27G-1
Go gauge for dimension "S1" of E14 caps on finished lamps "Purpose: To check the dimensions S1 minimum and S1 maximum of E14 caps on finished lamps.
Testing: When the cap on a finished lamp has been pushed into the gauge as far as it will go, the plunger surgace W shall be co-planar with or project beyond X but it shall not project beyond surface Y. "

7006-54-2
Gauge for finished lamps fitted with E14 caps for testing contact making "
Purpose: To check lamp dimensions for contact making in IEC holders.
Testing: The shape of the lamp with regard to the fit in the lampholder is assumed to be correct if the lamp can be pushed into the gauge till plane W reaches plane V or projects beyond it. "
IEC60968 Figure 2
Holder for torsion test on lamps with screw caps

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