￥4410.00 ￥5880.00

DDBJ-351L型便携式电导率仪

￥2987.60 ￥3880.00

DDBJ-350F型便携式电导率仪

￥2591.20 ￥3280.00

DDBJ-350型便携式电导率仪

￥2089.80 ￥2580.00

DDB-305A型便携式电导率仪

￥1932.00 ￥2760.00

PHS-3E型实验室pH计

￥1764.00 ￥2520.00

PHS-3C型实验室pH计