... printing, textile, papermaking, petroleum, chemical engineering, metallurgy, etc, operating for meter counting display and alarm, or control of film, fabric and wire ... mounting kind or socket mounting kind Selecting of counting kind 1.when the meter counting value increases to its set-point,the ... 3A/250VAC(resistance load)The range of step length of meter counting 0.0001-1.0000m and resolving is 0.1mm. ...