With over 155 years of proven experience, an extensive list of designs and options make the Marsh Instruments line of Process Gauges the intelligent and practical choice in process instrumentation. All case styles feature SAFECASE solid front construction.

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Variations: P14005, P14005L1, P14005L2, P14005L3, P14005L4, P14005W1, P14005W2, P14005W3, P14005W4, P14005P, P14005PL1, P14005PL2, P14005PL3, P14005PL4, P14005PW1, P14005PW2, P14005PW3, P14005PW4, P14005PI, P14005PIL1, P14005PIL2, P14005PIL3, P14005PIL4, P14005PIW1, P14005PIW2, P14005PIW3, P14005PIW4, P14010, P14010L1, P14010L2, P14010L3, P14010L4, P14010W1, P14010W2, P14010W3, P14010W4, P14010P, P14010PL1, P14010PL2, P14010PL3, P14010PL4, P14010PW1, P14010PW2, P14010PW3, P14010PW4, P14010PI, P14010PIL1, P14010PIL2, P14010PIL3, P14010PIL4, P14010PIW1, P14010PIW2, P14010PIW3, P14010PIW4, P14012, P14012L1, P14012L2, P14012L3, P14012L4, P14012W1, P14012W2, P14012W3, P14012W4, P14012P, P14012PL1, P14012PL2, P14012PL3, P14012PL4, P14012PW1, P14012PW2, P14012PW3, P14012PW4, P14012PI, P14012PIL1, P14012PIL2, P14012PIL3, P14012PIL4, P14012PIW1, P14012PIW2, P14012PIW3, P14012PIW4, P14014, P14014L1, P14014L2, P14014L3, P14014L4, P14014W1, P14014W2, P14014W3, P14014W4, P14014P, P14014PL1, P14014PL2, P14014PL3, P14014PL4, P14014PW1, P14014PW2, P14014PW3, P14014PW4, P14014PI, P14014PIL1, P14014PIL2, P14014PIL3, P14014PIL4, P14014PIW1, P14014PIW2, P14014PIW3, P14014PIW4, P14016, P14016L1, P14016L2, P14016L3, P14016L4, P14016W1, P14016W2, P14016W3, P14016W4, P14016P, P14016PL1, P14016PL2, P14016PL3, P14016PL4, P14016PW1, P14016PW2, P14016PW3, P14016PW4, P14016PI, P14016PIL1, P14016PIL2, P14016PIL3, P14016PIL4, P14016PIW1, P14016PIW2, P14016PIW3, P14016PIW4, P14040, P14040L1, P14040L2, P14040L3, P14040L4, P14040W1, P14040W2, P14040W3, P14040W4, P14040P, P14040PL1, P14040PL2, P14040PL3, P14040PL4, P14040PW1, P14040PW2, P14040PW3, P14040PW4, P14040PI, P14040PIL1, P14040PIL2, P14040PIL3, P14040PIL4, P14040PIW1, P14040PIW2, P14040PIW3, P14040PIW4, P14042, P14042L1, P14042L2, P14042L3, P14042L4, P14042W1, P14042W2, P14042W3, P14042W4, P14042P, P14042PL1, P14042PL2, P14042PL3, P14042PL4, P14042PW1, P14042PW2, P14042PW3, P14042PW4, P14042PI, P14042PIL1, P14042PIL2, P14042PIL3, P14042PIL4, P14042PIW1, P14042PIW2, P14042PIW3, P14042PIW4, P14046, P14046L1, P14046L2, P14046L3, P14046L4, P14046W1, P14046W2, P14046W3, P14046W4, P14046P, P14046PL1, P14046PL2, P14046PL3, P14046PL4, P14046PW1, P14046PW2, P14046PW3, P14046PW4, P14046PI, P14046PIL1, P14046PIL2, P14046PIL3, P14046PIL4, P14046PIW1, P14046PIW2, P14046PIW3, P14046PIW4, P14048, P14048L1, P14048L2, P14048L3, P14048L4, P14048W1, P14048W2, P14048W3, P14048W4, P14048P, P14048PL1, P14048PL2, P14048PL3, P14048PL4, P14048PW1, P14048PW2, P14048PW3, P14048PW4, P14048PI, P14048PIL1, P14048PIL2, P14048PIL3, P14048PIL4, P14048PIW1, P14048PIW2, P14048PIW3, P14048PIW4, P14052, P14052L1, P14052L2, P14052L3, P14052L4, P14052W1, P14052W2, P14052W3, P14052W4, P14052P, P14052PL1, P14052PL2, P14052PL3, P14052PL4, P14052PW1, P14052PW2, P14052PW3, P14052PW4, P14052PI, P14052PIL1, P14052PIL2, P14052PIL3, P14052PIL4, P14052PIW1, P14052PIW2, P14052PIW3, P14052PIW4, P14054, P14054L1, P14054L2, P14054L3, P14054L4, P14054W1, P14054W2, P14054W3, P14054W4, P14054P, P14054PL1, P14054PL2, P14054PL3, P14054PL4, P14054PW1, P14054PW2, P14054PW3, P14054PW4, P14054PI, P14054PIL1, P14054PIL2, P14054PIL3, P14054PIL4, P14054PIW1, P14054PIW2, P14054PIW3, P14054PIW4, P14058, P14058L1, P14058L2, P14058L3, P14058L4, P14058W1, P14058W2, P14058W3, P14058W4, P14058P, P14058PL1, P14058PL2, P14058PL3, P14058PL4, P14058PW1, P14058PW2, P14058PW3, P14058PW4, P14058PI, P14058PIL1, P14058PIL2, P14058PIL3, P14058PIL4, P14058PIW1, P14058PIW2, P14058PIW3, P14058PIW4, P14060, P14060L1, P14060L2, P14060L3, P14060L4, P14060W1, P14060W2, P14060W3, P14060W4, P14060P, P14060PL1, P14060PL2, P14060PL3, P14060PL4, P14060PW1, P14060PW2, P14060PW3, P14060PW4, P14060PI, P14060PIL1, P14060PIL2, P14060PIL3, P14060PIL4, P14060PIW1, P14060PIW2, P14060PIW3, P14060PIW4, P14064, P14064L1, P14064L2, P14064L3, P14064L4, P14064W1, P14064W2, P14064W3, P14064W4, P14064P, P14064PL1, P14064PL2, P14064PL3, P14064PL4, P14064PW1, P14064PW2, P14064PW3, P14064PW4, P14064PI, P14064PIL1, P14064PIL2, P14064PIL3, P14064PIL4, P14064PIW1, P14064PIW2, P14064PIW3, P14064PIW4, P14068, P14068L1, P14068L2, P14068L3, P14068L4, P14068W1, P14068W2, P14068W3, P14068W4, P14068P, P14068PL1, P14068PL2, P14068PL3, P14068PL4, P14068PW1, P14068PW2, P14068PW3, P14068PW4, P14068PI, P14068PIL1, P14068PIL2, P14068PIL3, P14068PIL4, P14068PIW1, P14068PIW2, P14068PIW3, P14068PIW4, P14505, P14505L1, P14505L2, P14505L3, P14505L4, P14505W1, P14505W2, P14505W3, P14505W4, P14505P, P14505PL1, P14505PL2, P14505PL3, P14505PL4, P14505PW1, P14505PW2, P14505PW3, P14505PW4, P14505PI, P14505PIL1, P14505PIL2, P14505PIL3, P14505PIL4, P14505PIW1, P14505PIW2, P14505PIW3, P14505PIW4, P14510, P14510L1, P14510L2, P14510L3, P14510L4, P14510W1, P14510W2, P14510W3, P14510W4, P14510P, P14510PL1, P14510PL2, P14510PL3, P14510PL4, P14510PW1, P14510PW2, P14510PW3, P14510PW4, P14510PI, P14510PIL1, P14510PIL2, P14510PIL3, P14510PIL4, P14510PIW1, P14510PIW2, P14510PIW3, P14510PIW4, P14512, P14512L1, P14512L2, P14512L3, P14512L4, P14512W1, P14512W2, P14512W3, P14512W4, P14512P, P14512PL1, P14512PL2, P14512PL3, P14512PL4, P14512PW1, P14512PW2, P14512PW3, P14512PW4, P14512PI, P14512PIL1, P14512PIL2, P14512PIL3, P14512PIL4, P14512PIW1, P14512PIW2, P14512PIW3, P14512PIW4, P14514, P14514L1, P14514L2, P14514L3, P14514L4, P14514W1, P14514W2, P14514W3, P14514W4, P14514P, P14514PL1, P14514PL2, P14514PL3, P14514PL4, P14514PW1, P14514PW2, P14514PW3, P14514PW4, P14514PI, P14514PIL1, P14514PIL2, P14514PIL3, P14514PIL4, P14514PIW1, P14514PIW2, P14514PIW3, P14514PIW4, P14516, P14516L1, P14516L2, P14516L3, P14516L4, P14516W1, P14516W2, P14516W3, P14516W4, P14516P, P14516PL1, P14516PL2, P14516PL3, P14516PL4, P14516PW1, P14516PW2, P14516PW3, P14516PW4, P14516PI, P14516PIL1, P14516PIL2, P14516PIL3, P14516PIL4, P14516PIW1, P14516PIW2, P14516PIW3, P14516PIW4, P14540, P14540L1, P14540L2, P14540L3, P14540L4, P14540W1, P14540W2, P14540W3, P14540W4, P14540P, P14540PL1, P14540PL2, P14540PL3, P14540PL4, P14540PW1, P14540PW2, P14540PW3, P14540PW4, P14540PI, P14540PIL1, P14540PIL2, P14540PIL3, P14540PIL4, P14540PIW1, P14540PIW2, P14540PIW3, P14540PIW4, P14542, P14542L1, P14542L2, P14542L3, P14542L4, P14542W1, P14542W2, P14542W3, P14542W4, P14542P, P14542PL1, P14542PL2, P14542PL3, P14542PL4, P14542PW1, P14542PW2, P14542PW3, P14542PW4, P14542PI, P14542PIL1, P14542PIL2, P14542PIL3, P14542PIL4, P14542PIW1, P14542PIW2, P14542PIW3, P14542PIW4, P14546, P14546L1, P14546L2, P14546L3, P14546L4, P14546W1, P14546W2, P14546W3, P14546W4, P14546P, P14546PL1, P14546PL2, P14546PL3, P14546PL4, P14546PW1, P14546PW2, P14546PW3, P14546PW4, P14546PI, P14546PIL1, P14546PIL2, P14546PIL3, P14546PIL4, P14546PIW1, P14546PIW2, P14546PIW3, P14546PIW4, P14548, P14548L1, P14548L2, P14548L3, P14548L4, P14548W1, P14548W2, P14548W3, P14548W4, P14548P, P14548PL1, P14548PL2, P14548PL3, P14548PL4, P14548PW1, P14548PW2, P14548PW3, P14548PW4, P14548PI, P14548PIL1, P14548PIL2, P14548PIL3, P14548PIL4, P14548PIW1, P14548PIW2, P14548PIW3, P14548PIW4, P14552, P14552L1, P14552L2, P14552L3, P14552L4, P14552W1, P14552W2, P14552W3, P14552W4, P14552P, P14552PL1, P14552PL2, P14552PL3, P14552PL4, P14552PW1, P14552PW2, P14552PW3, P14552PW4, P14552PI, P14552PIL1, P14552PIL2, P14552PIL3, P14552PIL4, P14552PIW1, P14552PIW2, P14552PIW3, P14552PIW4, P14554, P14554L1, P14554L2, P14554L3, P14554L4, P14554W1, P14554W2, P14554W3, P14554W4, P14554P, P14554PL1, P14554PL2, P14554PL3, P14554PL4, P14554PW1, P14554PW2, P14554PW3, P14554PW4, P14554PI, P14554PIL1, P14554PIL2, P14554PIL3, P14554PIL4, P14554PIW1, P14554PIW2, P14554PIW3, P14554PIW4, P14558, P14558L1, P14558L2, P14558L3, P14558L4, P14558W1, P14558W2, P14558W3, P14558W4, P14558P, P14558PL1, P14558PL2, P14558PL3, P14558PL4, P14558PW1, P14558PW2, P14558PW3, P14558PW4, P14558PI, P14558PIL1, P14558PIL2, P14558PIL3, P14558PIL4, P14558PIW1, P14558PIW2, P14558PIW3, P14558PIW4, P14560, P14560L1, P14560L2, P14560L3, P14560L4, P14560W1, P14560W2, P14560W3, P14560W4, P14560P, P14560PL1, P14560PL2, P14560PL3, P14560PL4, P14560PW1, P14560PW2, P14560PW3, P14560PW4, P14560PI, P14560PIL1, P14560PIL2, P14560PIL3, P14560PIL4, P14560PIW1, P14560PIW2, P14560PIW3, P14560PIW4, P14564, P14564L1, P14564L2, P14564L3, P14564L4, P14564W1, P14564W2, P14564W3, P14564W4, P14564P, P14564PL1, P14564PL2, P14564PL3, P14564PL4, P14564PW1, P14564PW2, P14564PW3, P14564PW4, P14564PI, P14564PIL1, P14564PIL2, P14564PIL3, P14564PIL4, P14564PIW1, P14564PIW2, P14564PIW3, P14564PIW4, P14568, P14568L1, P14568L2, P14568L3, P14568L4, P14568W1, P14568W2, P14568W3, P14568W4, P14568P, P14568PL1, P14568PL2, P14568PL3, P14568PL4, P14568PW1, P14568PW2, P14568PW3, P14568PW4, P14568PI, P14568PIL1, P14568PIL2, P14568PIL3, P14568PIL4, P14568PIW1, P14568PIW2, P14568PIW3, P14568PIW4, P14574, P14574L1, P14574L2, P14574L3, P14574L4, P14574W1, P14574W2, P14574W3, P14574W4, P14574P, P14574PL1, P14574PL2, P14574PL3, P14574PL4, P14574PW1, P14574PW2, P14574PW3, P14574PW4, P14574PI, P14574PIL1, P14574PIL2, P14574PIL3, P14574PIL4, P14574PIW1, P14574PIW2, P14574PIW3, P14574PIW4, P14576, P14576L1, P14576L2, P14576L3, P14576L4, P14576W1, P14576W2, P14576W3, P14576W4, P14576P, P14576PL1, P14576PL2, P14576PL3, P14576PL4, P14576PW1, P14576PW2, P14576PW3, P14576PW4, P14576PI, P14576PIL1, P14576PIL2, P14576PIL3, P14576PIL4, P14576PIW1, P14576PIW2, P14576PIW3, P14576PIW4, P14578, P14578L1, P14578L2, P14578L3, P14578L4, P14578W1, P14578W2, P14578W3, P14578W4, P14578P, P14578PL1, P14578PL2, P14578PL3, P14578PL4, P14578PW1, P14578PW2, P14578PW3, P14578PW4, P14578PI, P14578PIL1, P14578PIL2, P14578PIL3, P14578PIL4, P14578PIW1, P14578PIW2, P14578PIW3, P14578PIW4, P14582, P14582L1, P14582L2, P14582L3, P14582L4, P14582W1, P14582W2, P14582W3, P14582W4, P14582P, P14582PL1, P14582PL2, P14582PL3, P14582PL4, P14582PW1, P14582PW2, P14582PW3, P14582PW4, P14582PI, P14582PIL1, P14582PIL2, P14582PIL3, P14582PIL4, P14582PIW1, P14582PIW2, P14582PIW3, P14582PIW4, P14590, P14590L1, P14590L2, P14590L3, P14590L4, P14590W1, P14590W2, P14590W3, P14590W4, P14590P, P14590PL1, P14590PL2, P14590PL3, P14590PL4, P14590PW1, P14590PW2, P14590PW3, P14590PW4, P14590PI, P14590PIL1, P14590PIL2, P14590PIL3, P14590PIL4, P14590PIW1, P14590PIW2, P14590PIW3, P14590PIW4, P14592, P14592L1, P14592L2, P14592L3, P14592L4, P14592W1, P14592W2, P14592W3, P14592W4, P14592P, P14592PL1, P14592PL2, P14592PL3, P14592PL4, P14592PW1, P14592PW2, P14592PW3, P14592PW4, P14592PI, P14592PIL1, P14592PIL2, P14592PIL3, P14592PIL4, P14592PIW1, P14592PIW2, P14592PIW3, P14592PIW4, P14594, P14594L1, P14594L2, P14594L3, P14594L4, P14594W1, P14594W2, P14594W3, P14594W4, P14594P, P14594PL1, P14594PL2, P14594PL3, P14594PL4, P14594PW1, P14594PW2, P14594PW3, P14594PW4, P14594PI, P14594PIL1, P14594PIL2, P14594PIL3, P14594PIL4, P14594PIW1, P14594PIW2, P14594PIW3, P14594PIW4, P10005, P10005L1, P10005L2, P10005L3, P10005L4, P10005W1, P10005W2, P10005W3, P10005W4, P10005P, P10005PL1, P10005PL2, P10005PL3, P10005PL4, P10005PW1, P10005PW2, P10005PW3, P10005PW4, P10005PI, P10005PIL1, P10005PIL2, P10005PIL3, P10005PIL4, P10005PIW1, P10005PIW2, P10005PIW3, P10005PIW4, P10010, P10010L1, P10010L2, P10010L3, P10010L4, P10010W1, P10010W2, P10010W3, P10010W4, P10010P, P10010PL1, P10010PL2, P10010PL3, P10010PL4, P10010PW1, P10010PW2, P10010PW3, P10010PW4, P10010PI, P10010PIL1, P10010PIL2, P10010PIL3, P10010PIL4, P10010PIW1, P10010PIW2, P10010PIW3, P10010PIW4, P10012, P10012L1, P10012L2, P10012L3, P10012L4, P10012W1, P10012W2, P10012W3, P10012W4, P10012P, P10012PL1, P10012PL2, P10012PL3, P10012PL4, P10012PW1, P10012PW2, P10012PW3, P10012PW4, P10012PI, P10012PIL1, P10012PIL2, P10012PIL3, P10012PIL4, P10012PIW1, P10012PIW2, P10012PIW3, P10012PIW4, P10014, P10014L1, P10014L2, P10014L3, P10014L4, P10014W1, P10014W2, P10014W3, P10014W4, P10014P, P10014PL1, P10014PL2, P10014PL3, P10014PL4, P10014PW1, P10014PW2, P10014PW3, P10014PW4, P10014PI, P10014PIL1, P10014PIL2, P10014PIL3, P10014PIL4, P10014PIW1, P10014PIW2, P10014PIW3, P10014PIW4, P10016, P10016L1, P10016L2, P10016L3, P10016L4, P10016W1, P10016W2, P10016W3, P10016W4, P10016P, P10016PL1, P10016PL2, P10016PL3, P10016PL4, P10016PW1, P10016PW2, P10016PW3, P10016PW4, P10016PI, P10016PIL1, P10016PIL2, P10016PIL3, P10016PIL4, P10016PIW1, P10016PIW2, P10016PIW3, P10016PIW4, P10020, P10020L1, P10020L2, P10020L3, P10020L4, P10020W1, P10020W2, P10020W3, P10020W4, P10020P, P10020PL1, P10020PL2, P10020PL3, P10020PL4, P10020PW1, P10020PW2, P10020PW3, P10020PW4, P10020PI, P10020PIL1, P10020PIL2, P10020PIL3, P10020PIL4, P10020PIW1, P10020PIW2, P10020PIW3, P10020PIW4, P10024, P10024L1, P10024L2, P10024L3, P10024L4, P10024W1, P10024W2, P10024W3, P10024W4, P10024P, P10024PL1, P10024PL2, P10024PL3, P10024PL4, P10024PW1, P10024PW2, P10024PW3, P10024PW4, P10024PI, P10024PIL1, P10024PIL2, P10024PIL3, P10024PIL4, P10024PIW1, P10024PIW2, P10024PIW3, P10024PIW4, P10040, P10040L1, P10040L2, P10040L3, P10040L4, P10040W1, P10040W2, P10040W3, P10040W4, P10040P, P10040PL1, P10040PL2, P10040PL3, P10040PL4, P10040PW1, P10040PW2, P10040PW3, P10040PW4, P10040PI, P10040PIL1, P10040PIL2, P10040PIL3, P10040PIL4, P10040PIW1, P10040PIW2, P10040PIW3, P10040PIW4, P10042, P10042L1, P10042L2, P10042L3, P10042L4, P10042W1, P10042W2, P10042W3, P10042W4, P10042P, P10042PL1, P10042PL2, P10042PL3, P10042PL4, P10042PW1, P10042PW2, P10042PW3, P10042PW4, P10042PI, P10042PIL1, P10042PIL2, P10042PIL3, P10042PIL4, P10042PIW1, P10042PIW2, P10042PIW3, P10042PIW4, P10046, P10046L1, P10046L2, P10046L3, P10046L4, P10046W1, P10046W2, P10046W3, P10046W4, P10046P, P10046PL1, P10046PL2, P10046PL3, P10046PL4, P10046PW1, P10046PW2, P10046PW3, P10046PW4, P10046PI, P10046PIL1, P10046PIL2, P10046PIL3, P10046PIL4, P10046PIW1, P10046PIW2, P10046PIW3, P10046PIW4, P10048, P10048L1, P10048L2, P10048L3, P10048L4, P10048W1, P10048W2, P10048W3, P10048W4, P10048P, P10048PL1, P10048PL2, P10048PL3, P10048PL4, P10048PW1, P10048PW2, P10048PW3, P10048PW4, P10048PI, P10048PIL1, P10048PIL2, P10048PIL3, P10048PIL4, P10048PIW1, P10048PIW2, P10048PIW3, P10048PIW4, P10052, P10052L1, P10052L2, P10052L3, P10052L4, P10052W1, P10052W2, P10052W3, P10052W4, P10052PL4, P10052PW1, P10052PW2, P10052PW3, P10052PW4, P10052PI, P10052PIL1, P10052PIL2, P10052PIL3, P10052PIL4, P10052PIW1, P10052PIW2, P10052PIW3, P10052PIW4, P10052W1, P10052W2, P10052W3, P10052W4, P10054, P10054L1, P10054L2, P10054L3, P10054L4, P10054W1, P10054W2, P10054W3, P10054W4, P10054P, P10054PL1, P10054PL2, P10054PL3, P10054PL4, P10054PW1, P10054PW2, P10054PW3, P10054PW4, P10054PI, P10054PIL1, P10054PIL2, P10054PIL3, P10054PIL4, P10054PIW1, P10054PIW2, P10054PIW3, P10054PIW4, P10058, P10058L1, P10058L2, P10058L3, P10058L4, P10058W1, P10058W2, P10058W3, P10058W4, P10058P, P10058PL1, P10058PL2, P10058PL3, P10058PL4, P10058PW1, P10058PW2, P10058PW3, P10058PW4, P10058PI, P10058PIL1, P10058PIL2, P10058PIL3, P10058PIL4, P10058PIW1, P10058PIW2, P10058PIW3, P10058PIW4, P10060, P10060L1, P10060L2, P10060L3, P10060L4, P10060W1, P10060W2, P10060W3, P10060W4, P10060P, P10060PL1, P10060PL2, P10060PL3, P10060PL4, P10060PW1, P10060PW2, P10060PW3, P10060PW4, P10060PI, P10060PIL1, P10060PIL2, P10060PIL3, P10060PIL4, P10060PIW1, P10060PIW2, P10060PIW3, P10060PIW4, P10064, P10064L1, P10064L2, P10064L3, P10064L4, P10064W1, P10064W2, P10064W3, P10064W4, P10064P, P10064PL1, P10064PL2, P10064PL3, P10064PL4, P10064PW1, P10064PW2, P10064PW3, P10064PW4, P10064PI, P10064PIL1, P10064PIL2, P10064PIL3, P10064PIL4, P10064PIW1, P10064PIW2, P10064PIW3, P10064PIW4, P10068, P10068L1, P10068L2, P10068L3, P10068L4, P10068W1, P10068W2, P10068W3, P10068W4, P10068P, P10068PL1, P10068PL2, P10068PL3, P10068PL4, P10068PW1, P10068PW2, P10068PW3, P10068PW4, P10068PI, P10068PIL1, P10068PIL2, P10068PIL3, P10068PIL4, P10068PIW1, P10068PIW2, P10068PIW3, P10068PIW4