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Soil-testing tool in form of walking stick - has PH, humidity and temp. sensors in exchangeable pointed head
Soil-testing tool in form of walking stick - has PH, humidity and temp. sensors in exchangeable pointed head
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机译:手杖形式的土壤测试工具-具有PH,湿度和温度。可更换尖头中的传感器
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摘要
A number of different measuring devices are housed in the pointed ends of shafts which can be screwed into the handle. The sensors include a pH detector, a humidity detector and a temperature detector. The sensor is linked by wires to an electronic read-out just below or just above the junction with the handle. The outer skin of the shaft may carry a graduated scale to establish the depth in the soil at which measurements are taken. One version of the tool has a soil-sampling cavity at the end; another uses a bayonet-type connection in place of the screw fitting.
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