Zero oxygen solution for HI 9146, HI 98186, HI 4421 and HI 2400
Zero-point calibration for oxygen sensors for measuring dissolved oxygen, 500 ml bottle.
HI 7040L has 2 mixing elements. A 500 ml bottle containing the solvent and a 35 ml vial with the reagent.
The mixed solution should be used within one month.
HI5004 - 4.01 pH@25°C - TQ - 500ml
HI6010-01 - 10.010 pH@25°C - MQ - 1000ml
เครื่องวัดปริมาณฟอสเฟต ช่วงต่ำ รุ่น HI713 

