EXTECH PH220-C ..............Waterproof Palm pH Meter with cabled pH electrode PH220-S ..............Waterproof Palm pH Meter with stick pH electrode 6015WC ..............Waterproof pH electrode with
Extech PH220 Palm pH Meter是一款防水便携式pH计，具有大尺寸液晶显示屏，可同时显示pH或mV和温度。内置的Pt-100传感器可自动补偿温度。带有pH4和pH7缓冲液和9V电池
厂商: EXTECH
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