{"product_id":"horiba-u-50-series-accessories-amp-spare-parts","title":"Horiba U-50 Series Accessories \u0026 Spare Parts","description":"\u003cp\u003eConsumables, spare parts and field accessories for the HORIBA U-50 Series multiparameter water quality meters — U-51, U-52, U-52G, U-53 and U-53G. Select the item you need from the dropdown. Every part is genuine HORIBA and fits the U-50 Series directly, with no adapters or modification.\u003c\/p\u003e\n\n\u003cp\u003eThese are the items that keep a U-50 running season after season: the DO membrane caps and protective covers that wear out with use, the probe guards and rubber caps that absorb impact in rough boreholes, the wiper rubbers that keep turbidity optics clean, the O-rings that maintain the waterproof seal at every sensor port, and the standard solutions needed for routine calibration.\u003c\/p\u003e\n\n\u003ch3\u003eConsumables \u0026amp; seals\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDO membrane caps (3 pcs) — 3200170194\u003c\/li\u003e\n\u003cli\u003eDO sensor protective covers (3 pcs) — 3200175020\u003c\/li\u003e\n\u003cli\u003epH sensor protective covers (3 pcs) — 3200175019\u003c\/li\u003e\n\u003cli\u003eO-ring set for pH\/ORP sensor (10 pcs) — 3200169520\u003c\/li\u003e\n\u003cli\u003epH electrode O-ring — 3030053468\u003c\/li\u003e\n\u003cli\u003eDO electrode O-ring — 3030054233\u003c\/li\u003e\n\u003cli\u003eReference electrode O-ring — 3030049447\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProbe guards \u0026amp; hardware\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProbe guard, stainless steel — 3200167002\u003c\/li\u003e\n\u003cli\u003eProbe guard, plastic with holes (no rubber cap) — 3200160840\u003c\/li\u003e\n\u003cli\u003eRubber cap for probe guard — 3200054596\u003c\/li\u003e\n\u003cli\u003eRubber cap set for sensor guard (8 pcs) — 3200169428\u003c\/li\u003e\n\u003cli\u003eWiper rubber (3 pcs) — 3200169789\u003c\/li\u003e\n\u003cli\u003eDO spanner — 3200098516\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCases, cells \u0026amp; power\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eU-5030 carrying case — 5200529244\u003c\/li\u003e\n\u003cli\u003eFlow-through cell — 3200156570\u003c\/li\u003e\n\u003cli\u003eCalibration beaker — 3200156572\u003c\/li\u003e\n\u003cli\u003eKU-20-2 USB communication cable, 2 m, with software — 3200174823\u003c\/li\u003e\n\u003cli\u003eU-50EP external power supply — 3200358528\u003c\/li\u003e\n\u003cli\u003eUSB connector, leak test (ETO) — 3200225292\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eStandard solutions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e140-4 pH 4 standard solution (4 L) — 3200174430\u003c\/li\u003e\n\u003cli\u003e#306 DO international standard solution (50 ml) — 3200170938\u003c\/li\u003e\n\u003cli\u003e330 reference electrode internal solution, 3.33 mol\/L KCl gel (250 ml) — 3200043641\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDocumentation packages\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTraceability certificate — U-50 meter unit\u003c\/li\u003e\n\u003cli\u003eTraceability certificate — #7112 pH sensor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEach package includes a test report, traceability certificate and NIST traceability chart.\u003c\/p\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoutine preventive maintenance and pre-season instrument servicing\u003c\/li\u003e\n\u003cli\u003eReplacing consumable DO membranes and caps between sampling events\u003c\/li\u003e\n\u003cli\u003eRestoring the waterproof seal after a sensor change or O-ring failure\u003c\/li\u003e\n\u003cli\u003eLow-flow groundwater sampling using the flow-through cell\u003c\/li\u003e\n\u003cli\u003eExtended deployments and continuous monitoring using external power\u003c\/li\u003e\n\u003cli\u003eCalibration and QC verification before regulatory sampling\u003c\/li\u003e\n\u003cli\u003eSupplying documentation for audited or accredited monitoring programs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/pdf\/water_quality\/horiba_u-50.pdf\"\u003eU-50 Series specifications (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/Manuals\/Horiba_Manuals\/U-50_Manual_revised_0409.pdf\"\u003eU-50 Series instruction manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/Manuals\/Horiba_Manuals\/U-50PC_Instruction_Manual.pdf\"\u003eU-50PC software instruction manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/Manuals\/Horiba_Manuals\/U-50_Flow_Cell_Instruction_Manual.pdf\"\u003eU-50FC flow cell instruction manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated items\u003c\/h3\u003e\n\u003cp\u003eReplacement pH, ORP, DO and turbidity sensors and complete probe assemblies are in the \u003ca href=\"https:\/\/envirotechonline.com\/collections\/horiba-parts-accessories\"\u003eHoriba Parts \u0026amp; Accessories\u003c\/a\u003e collection. Complete meters and control units are in the \u003ca href=\"https:\/\/envirotechonline.com\/collections\/horiba\"\u003eHORIBA\u003c\/a\u003e collection.\u003c\/p\u003e","brand":"Horiba","offers":[{"title":"DO Membrane Cap (3 pcs) - 3200170194","offer_id":48226010202302,"sku":"3200170194","price":130.0,"currency_code":"USD","in_stock":true},{"title":"DO Sensor Protective Cover (3 pcs) - 3200175020","offer_id":48226010235070,"sku":"3200175020","price":33.0,"currency_code":"USD","in_stock":true},{"title":"#306 DO International Standard Solution (50 ml) - 3200170938","offer_id":48226010267838,"sku":"3200170938","price":49.0,"currency_code":"USD","in_stock":true},{"title":"pH Sensor Protective Cover (3 pcs) - 3200175019","offer_id":48226010300606,"sku":"3200175019","price":35.0,"currency_code":"USD","in_stock":true},{"title":"U-5030 Carrying Case - 5200529244","offer_id":48226010333374,"sku":"5200529244","price":620.0,"currency_code":"USD","in_stock":true},{"title":"KU-20-2 USB Communication Cable 2 m with Software - 3200174823","offer_id":48226010366142,"sku":"3200174823","price":135.0,"currency_code":"USD","in_stock":true},{"title":"Flow Through Cell - 3200156570","offer_id":48226010398910,"sku":"3200156570","price":853.0,"currency_code":"USD","in_stock":true},{"title":"Probe Guard - Stainless Steel - 3200167002","offer_id":48226010431678,"sku":"3200167002","price":1242.0,"currency_code":"USD","in_stock":true},{"title":"Probe Guard - Plastic with Holes (no rubber cap) - 3200160840","offer_id":48226010464446,"sku":"3200160840","price":36.0,"currency_code":"USD","in_stock":true},{"title":"Rubber Cap for Probe Guard - 3200054596","offer_id":48226010497214,"sku":"3200054596","price":21.0,"currency_code":"USD","in_stock":true},{"title":"Calibration Beaker - 3200156572","offer_id":48226010529982,"sku":"3200156572","price":43.0,"currency_code":"USD","in_stock":true},{"title":"Rubber Cap Set for Sensor Guard (8 pcs) - 3200169428","offer_id":48226010562750,"sku":"3200169428","price":59.0,"currency_code":"USD","in_stock":true},{"title":"Wiper Rubber (3 pcs) - 3200169789","offer_id":48226010595518,"sku":"3200169789","price":79.0,"currency_code":"USD","in_stock":true},{"title":"U-50EP External Power Supply - 3200358528","offer_id":48226010628286,"sku":"3200358528","price":453.0,"currency_code":"USD","in_stock":true},{"title":"USB Connector - Leak Test (ETO) - 3200225292","offer_id":48226010661054,"sku":"3200225292","price":221.0,"currency_code":"USD","in_stock":true},{"title":"140-4 pH 4 Standard Solution (4 L) - 3200174430","offer_id":48226010693822,"sku":"3200174430","price":210.0,"currency_code":"USD","in_stock":true},{"title":"330 Reference Electrode Internal Solution 3.33 mol\/L KCl Gel (250 ml) - 3200043641","offer_id":48226010726590,"sku":"3200043641","price":43.0,"currency_code":"USD","in_stock":true},{"title":"DO Spanner - 3200098516","offer_id":48226010759358,"sku":"3200098516","price":49.0,"currency_code":"USD","in_stock":true},{"title":"O-Ring Set for pH\/ORP Sensor (10 pcs) - 3200169520","offer_id":48226010792126,"sku":"3200169520","price":56.0,"currency_code":"USD","in_stock":true},{"title":"pH Electrode O-Ring - 3030053468","offer_id":48226010824894,"sku":"3030053468","price":5.5,"currency_code":"USD","in_stock":true},{"title":"DO Electrode O-Ring - 3030054233","offer_id":48226010857662,"sku":"3030054233","price":5.5,"currency_code":"USD","in_stock":true},{"title":"Reference Electrode O-Ring - 3030049447","offer_id":48226010890430,"sku":"3030049447","price":5.5,"currency_code":"USD","in_stock":true},{"title":"Traceability Certificate - U-50 Meter Unit","offer_id":48226010923198,"sku":null,"price":140.0,"currency_code":"USD","in_stock":true},{"title":"Traceability Certificate - #7112 pH Sensor","offer_id":48226010955966,"sku":null,"price":140.0,"currency_code":"USD","in_stock":true},{"title":"#7801 Turbidity Cell for U-53 \/ U-53G - 3200172800","offer_id":48226491039934,"sku":"3200172800","price":810.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/csm_U-50_01_e75a8359d0_3aacb183-8234-478b-8f47-b9060ee68386.jpg?v=1785336957","url":"https:\/\/envirotechonline.com\/products\/horiba-u-50-series-accessories-amp-spare-parts","provider":"EnviroTech Services","version":"1.0","type":"link"}