850045 Sper Scientific Dissolved Oxygen Pen เครื่องวัดปริมาณออกซิเจนในน้ำ แบบปากกา ง่ายต่อการพกพาง่ายต่อการปรับเทียบและใช้งานเพียงพอสำหรับการวัดค่าออกซิเจนละลายในพื้นผิวจำนวนมาก

This refractometer features Automatic Temperature Compensation (ATC), which makes manual temperature corrections unnecessary.

Measures salt content in sea water, pickling-brines and other applications.

Use this refractometer to test solutions with a higher sugar content, such as fruit juice concentrates, canned fruits containing added sugar, or ketchup as well as for egg yolk.

Covers all of the substances of the Sugar - Brix Refractometer 0-32% 300001 and Sugar Refractometer 28-62% 300002, as well as very high sugar content products such as jam, marmalade and syrup

his Sper Scientific handheld refractometer comes ready to use in a hard carrying case and includes a calibration tool.

The level of vibration is a useful guide to the balance, alignment and general condition of pumps, motors, and other machinery.

Ideal for measuring low differential pressure in clean rooms, test and balance, medical equipment, HVAC, pneumatic systems and computer peripherals.

840018 SPER SCIENTIFIC เครื่องวัดเสียง Sound Level Pen วัดความดังเสียงตั้งแต่ 32 ถึง 130 เดซิเบล

Coiled probe extends to 9’. This unique sound meter enables remote sound level readings using a detachable probe.