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Wireless Indicator


1. Overview


  Wireless indicator can measure the tensile force and displacement of the polished rod of pumping units continuously within a cycle, thus forming a sealed graph ultimately. Through this graph, the state of oil wells can be reflected. It is installed on the polished rod, and the measured indicator data can be uploaded to the wireless network via WIA-PA protocol. Wireless indicator is generally composed by a load sensor, acceleration sensor, data acquisition unit and chamber. It is a new digitized sensing product designed for the indicator acquisition of pumping units. Integrated with the load measurement, displacement measurement, and radio frequency, it can automatically collect the load and stroke of pumping units in accordance with parameters configured by users, calculate the indicator data independently, and realize remote indicator monitoring by working with the on-site RTU. Thus, it has characteristics like high precision, flexible configuration, simple installation and high reliability. 

    2. Features

       Collect the stroke, times of stroke, minimum load, maximum load, indicators and data of other working conditions;

      Report data of working conditions, warning information and parameters of the meter regularly to RTU. 

3. Technical indexes



Communication Protocol

IEC 62601, GB/T 26790.1

(WIA-PA protocol)

 Measurement Range


Measurement Precision


Range Of Stroke

1~12 m

Range Of Stroke Times

Two to seven times a minute



Output Power


Working Power

ER34615 energy type lithium thionyl chloride batteries DC7.2V


218 mm*110 mm*85.5 mm

Installation Ways


Working Temperature

-40 ~ 85℃

Shenyang Zhongke Allwin Technology Co Ltd.
address:Shenyang City, Liaoning province high road Hunnan New District No. 6-2
Business Negotiations:18941640009
Technical consultation:18941640005
fax:(86 24)83781111-7432



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