650470 Extech Accessory New

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Features Includes 3 vials (10 capsules each) of 4, 7 and 10 pH dry powder buffers and one dispenser vial of color key preservative. Dissolve 1 capsule in 100mL of distilled water t o prepare buffer solution (accurate up to ±0.02 pH) The 650470 is a set of Tripak Dry Powder Buffer Capsules. Provides convenient calibration solutions in capsules for pH meters. Includes 3 vials (10 capsules each) of 4, 7 and 10 pH dry powder buffers and one dispenser vial of color key preservative. Show more