Probe Cable Length Recommended Meter HI76407/4F 4 m (13’) HI9146 HI76407/10F 10 m (33’) HI76407/20F 20 m (66’) HI764073 4 m (13’) HI98193 HI764073/10 10 m (33’) HI76407 Á HI764073 Protected Sleeve Series DO Probe with Protective Sleeve The HI76407/F is a standard Clark-type polarographic dissolved oxygen probe for Hanna’s benchtop and portable dissolved oxygen meters. The probe is constructed of durable ABS plastic and contains an integrated temperature sensor for temperature compensated measurements. It is compatible with our HI76407A/P PTFE membrane caps. Each membrane separates the probe’s platinum cathode and silver anode from the water sample being measured. Oxygen diuses across the membrane and interacts with the polarographic system to produce a current proportional to oxygen concentration. Each cap is easily lled with HI7041 electrolyte and screwed on to the probe. The probe’s protective sleeve makes it ideal for use in rugged or demanding environments. 1 Shielded, waterproof cable 2 Protective sleeve 3 PEI probe for best eld protection 4 Linearized and accurate thermistor temperature sensor protected behind a stainless steel cover 5 Silver wire anode element 6 Glass encapsulated platinum cathode 7 Screw cap membrane that holds potassium chloride electrolyte solution (HI7041S) 8 Thin, permeable PTFE membrane isolates the sensor elements from the testing solution, but allows oxygen to enter (HI76407A/P) 9 Hole for solution cycling 10 Protective sleeve for eld applications 1 2 3 4 5 6 8 7 9 HI76407A/P Easy, Screw Cap DO Membranes Have PTFE DO replacement caps available when DO measurements become sluggish or for routine maintenance. HI7040 • HI7041 DO Solutions It is crucial to the performance of your DO probe to keep the sensor active with regular maintenance. HI7040L zero oxygen solution set, 500 mL + 12g HI7041S refilling electrolyte solution (30 mL) HI7041M refilling electrolyte solution (250 mL) HI7041L refilling electrolyte solution (500 mL) HI76407A/P contains 5 ready-to-use, replacement membranes. 10 78.6 mm 131.5 mm 158 mm 110 mm À25 mm À25 mm À16 mm 6 Dissolved Oxygen 6.36 | www.hannainst.com probes and solutions
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