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Free quotations · Genuine products · Delivery across Thailand and worldwide
HI7042S electrolyte solution for Galvanic Probes – 30ml
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HI7042S is designed to refill the electrolyte solution for galvanic dissolved oxygen probes. Galvanic sensor technology requires no external voltage since the difference in potential between the cathode and anode is greater than 0.5 volts. Galvanic DO sensors consist of two electrodes, a zinc anode and silver cathode, both of which are immersed in electrolyte solution. An oxygen permeable membrane separates the anode and cathode from the water being measured. Oxygen diffuses across the membrane and interacts with the probe internals to produce an electrical current that is proportional to the concentration of oxygen in a solution.
Hanna
HI9829-14/15 is for premium quality 10 ppm and 100 ppm (mg/L) Nitrate (as N) calibration standards. It is produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with…
Hanna
