{"product_id":"aqua-medic-mv-probe-l120mm-glass-laboratory-standard","title":"Aqua Medic mV Probe L120mm - Glass - Laboratory Standard","description":"\u003cp\u003e\u003cstrong\u003eLaboratory-grade redox response for setups where the plastic probe is not accurate enough.\u003c\/strong\u003e The Aqua Medic mV Probe L120mm Glass Laboratory Standard is a glass-bodied redox (ORP) electrode, 120 mm to the top of the glass and roughly 160 mm overall, built for hobbyists running demanding ozone dosing, calcium reactor or reef-control systems who need a more precise, more repeatable mV reading than a plastic-bodied probe gives.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlass body, laboratory standard\u003c\/strong\u003e — the same construction used in lab-grade ORP electrodes, for a faster, more stable response than a plastic-bodied probe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard BNC connection\u003c\/strong\u003e — works with all Aqua Medic measuring units and with most third-party monitors and controllers fitted with a BNC input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShallow immersion design\u003c\/strong\u003e — only needs a few centimetres in the water column, so it fits tight sump baffles or dosing chambers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsumable electrode, 6-month warranty\u003c\/strong\u003e — Aqua Medic classes pH and mV electrodes as wear items, so the warranty term reflects normal ageing rather than a manufacturing fault.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle with care\u003c\/strong\u003e — the glass tip is more accurate but more fragile than the plastic-bodied version; potassium chloride crystallisation on the body during transport or storage is normal and rinses off without affecting accuracy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe type\u003c\/td\u003e\n\u003ctd\u003eRedox (ORP) \/ millivolt (mV) electrode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody material\u003c\/td\u003e\n\u003ctd\u003eGlass, laboratory standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe length\u003c\/td\u003e\n\u003ctd\u003e120 mm to top of glass (approx. 160 mm overall)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eBNC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eAqua Medic measuring units; any BNC-input ORP controller or monitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended immersion\u003c\/td\u003e\n\u003ctd\u003eA few centimetres into the measuring medium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrode warranty\u003c\/td\u003e\n\u003ctd\u003e6 months (classed as a consumable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eAM22017\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhich mV probe do I need?\u003c\/h3\u003e\n\u003cp\u003eAqua Medic sells this electrode in three formats. All three read the same redox signal — the difference is body material and fitting.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eBody\u003c\/th\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003cth\u003eBest suited to\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eL120mm Plastic Standard\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003ctd\u003e120 mm\u003c\/td\u003e\n\u003ctd\u003eEveryday reef and marine monitoring, general controller pairing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eL120mm Glass Laboratory Standard (this page)\u003c\/td\u003e\n\u003ctd\u003eGlass\u003c\/td\u003e\n\u003ctd\u003e120 mm (160 mm overall)\u003c\/td\u003e\n\u003ctd\u003eLaboratory-grade response for demanding dosing or ozone-control setups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eL70mm Plastic PG13.5 Threaded\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003ctd\u003e70 mm\u003c\/td\u003e\n\u003ctd\u003eCompact in-line mounting through a PG13.5 fitting where panel or sump clearance is tight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eRinse the tip with fresh water between readings if you move the probe between tanks. Any white crystalline residue on the body after transport is dried potassium chloride from the internal reference solution — it does not affect accuracy and rinses away. Because the glass tip is more delicate than the plastic-bodied probe, avoid knocking it against sump walls or plumbing when installing or removing it.\u003c\/p\u003e\n\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003eSuitable for reef and marine setups where dosing, ozone or calcium-reactor control depends on an accurate, stable redox reading — the accuracy this glass probe offers is the reason to choose it over the plastic version.\u003c\/p\u003e\n\u003cp\u003eNot the best fit where the probe will be handled roughly or moved between systems often — the plastic-bodied L120mm Standard probe is more tolerant of everyday knocks.\u003c\/p\u003e\n\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eElectrodes carry a 6-month Aqua Medic warranty as a wear item, in addition to your rights under Australian Consumer Law. Standard delivery applies.\u003c\/p\u003e\n\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWhat is the difference between this and the plastic L120mm probe?\u003c\/h4\u003e\n\u003cp\u003eBoth read the same 120 mm redox signal and use the same BNC connector. The glass body on this probe gives a faster, more stable, laboratory-grade response; the plastic-bodied version trades a little precision for everyday durability.\u003c\/p\u003e\n\u003ch4\u003eIs the glass tip fragile?\u003c\/h4\u003e\n\u003cp\u003eIt is more delicate than a plastic-bodied probe, so mount it where it will not be knocked, and handle it by the body rather than the tip when installing or removing it.\u003c\/p\u003e\n\u003ch4\u003eWhat is the white residue on the probe when it arrives?\u003c\/h4\u003e\n\u003cp\u003eThat is potassium chloride from the internal reference solution crystallising during transport or storage. It has no effect on measurement accuracy and rinses off with fresh water.\u003c\/p\u003e\n\u003ch4\u003eWhy is the warranty only six months?\u003c\/h4\u003e\n\u003cp\u003eAqua Medic classes pH and mV electrodes as consumables — the glass membrane and reference junction age with use, so the warranty reflects normal wear rather than a fault.\u003c\/p\u003e","brand":"Aqua Medic","offers":[{"title":"Default Title","offer_id":55285031895331,"sku":"AM22017","price":437.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/aqua-medic-mv-probe-l120mm-g-43506875236643.webp?v=1790234314","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/aqua-medic-mv-probe-l120mm-glass-laboratory-standard","provider":"Nicks AOT","version":"1.0","type":"link"}