Contact lens oxygen permeability measuring machine
Product Introduction:
Contact lens oxygen permeability measuring instrument （polarography） is designed for soft and hard contact lenses （contact lenses） or similar materials manufacturers and laboratories designed for oxygen permeability polarography test equipment, suitable for hydrogel, silicon hydrogel, high oxygen permeability materials and other lenses. Generally, a complete polarographic measurement scheme should include at least a host, an electrode assembly frame, an electrode, a central thickness gauge and a constant temperature and humidity box.
Meet the standard:
ISO 18369 and GB/T 11417 requirements
Technical parameters:
1. Dual input, two test electrodes can be connected at the same time
2. Power supply: 210-250V AC 5W
3. Temperature control: 0.0-50.0℃（resolution 0.1℃， accuracy ±0.2℃）
4. Electrode excitation voltage: 0.750VDC
5. Electrode specifications: gold cathode outer diameter 4mm, silver anode inner diameter 5.75mm, outer diameter 12.75mm
6. Size: Width 356* Depth 190* height 102mm
7. Current zero adjustment: 0-100nA
8. Current gear: 19.99nA（accuracy 10pA）， 199.9nA（accuracy 100pA）， 1.999uA（accuracy 1nA）， 19.99uA（accuracy 10nA）， 199.9uA（accuracy 100nA）
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