$173.00
SE
SMART SENSOR AR8210 Written test dissolved oxygen instrument (lithium battery black and white screen)
AR8210 written test dissolved oxygen Tester can measure the pH value of the solution and display the temperature of the measured liquid. Dissolved oxygen Tester is widely used in industry, laboratory, agriculture, agriculture, breeding, scientific research and environmental protection and other fields.

$175.00
SE
SMART SENSOR AR8210 + Pen Dissolving Oxygen Meter (Lithium TV Color Screen)
Measurement range of dissolved oxygen is 0.00~20.00mg/L, which can measure the pH value of the solution and display the temperature of the measured liquid. Dissolved oxygen Tester is widely used in industry, laboratory, agriculture, breeding, scientific research and environmental protection.

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