多级液晶显示屏可随时随地进行手动测试，可从任何角度一目了然地读取酸度pH和温度 或者EC/TDS和温度，自动识别校准，温度补偿，双按钮操作简化了任何用户的测试过程
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Electronic Electrical 
Thermometer
Oil,Coal
Water,Optics
Medical electronic
Experimental Biological
Specialized
Hand tools
chromatograph
Coal Industry
Oil industry
