JZ series weight indicator for oil drilling or workover process, a variety of geological exploration drilling rig, workover rig, the indication and recording drilling WOB hanging weight and change a display instrument to help master driller drilling rig, workover rig in drilling or workover operations and determine the operating parameters of the drill working condition. JZ series weight indicator by the deadline anchors, the weight indicator and recorder of three parts. Instrument working environment temperature: -40 ~ 50 ℃.
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