{"product_id":"hanna-instruments-hi-70023-salinity-calibration-standard-sachets-5-00ppt-25-x-20ml-sachets","title":"Hanna Instruments HI-70023 Salinity Calibration Standard Sachets 5.00ppt, 25 x 20ml sachets","description":"\u003cp\u003e5.00ppt @ 25°C Salinity calibration standard sachets, 25 x 20mL\u003c\/p\u003e\u003cp\u003e\u003cb\u003eCare \u0026amp; Maintenance\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eIt is recommended that you calibrate the electrode before using. For best results, calibrate frequently. Additionally, the instrument must be calibrated:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eWhen high accuracy is required\u003c\/li\u003e \u003cli\u003eAt least once a month with regular use\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eTo ensure accuracy with measurements:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUse fresh calibration standards for each calibration\u003c\/li\u003e \u003cli\u003eRinse the tester with purified water and dry off with a soft tissue before calibrating or taking measurements\u003c\/li\u003e \u003cli\u003eCalibrate monthly with regular use or more often with frequent use\u003c\/li\u003e \u003cli\u003eInspect the tester to see if any foreign material is detected in the openings housing the electrodes\u003c\/li\u003e \u003cli\u003eA more thorough cleaning may be made using a non-abrasive detergent, and a soft material such as cardboard, to dislodge the material\u003c\/li\u003e \u003cli\u003eRinse thoroughly with a stream of running tap water and jetting the stream through the opening. Shake excess water and rinse with purified water. Dry off and recalibrate the tester before using\u003c\/li\u003e \u003cli\u003eStore with the protective cap on\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eCheck the instrument manual for guidance on how to enter calibration mode and use the calibration standards as instructed.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":57640070119797,"sku":"HI-70023P","price":42.08,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/hi-70023-salinity-calibration-standard-sachets-500ppt-25-x-20ml-sachets.jpg?v=1791580425","url":"https:\/\/testallwater.co.uk\/products\/hanna-instruments-hi-70023-salinity-calibration-standard-sachets-5-00ppt-25-x-20ml-sachets","provider":"Test All Water","version":"1.0","type":"link"}