| 摘要 |
A small and compact coupler plug for a planar broadband lambda probe includes a housing having a basic body and a cover element as well as electrical components, which can be inserted into the housing and fixed in place, as well as an adjustment unit for a probe, in particular a planar broadband lambda probe, the adjustment unit being arranged within the coupler plug or outside the coupler plug via a further contact element. The cover element can be mounted over the balancing unit, and primary and secondary locking devices that cooperates with the cover element may be provided, the secondary locking device being configured as a fixing element to fix in place at least one electrical contact that is inserted in the housing, and this fixing element also having support elements that point to the cover element, such that the cover element closes in the end position of the secondary element.
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