YSI MultiLab IDS 4210 ORP Electrode User Manual
Contents
1. 212 F Typical application Laboratory Shaft length 120 mm Shaft diameter 12 mm Shaft material Glass Combination electrode con Fixed cable nection Meter connection Digital plug Length 1 5m Diameter 4 3mm Smallest allowed bend Fixed installation 20 mm radius Flexible use 60 mm Plug type Measured parameter Socket 4 pins Accuracy 1 digit U mV 0 2 ba76138e01 02 2013 Commissioning measuring checking 4210 Commissioning il General rules for measuring Commissioning measuring checking Note For ORP electrodes with platinum electrode please follow the instructions in section ACTIVATING PLATINUM ELECTRODES Prepare the electrode for measuring as follows Open the refilling opening for the reference electrolyte solution Depend ing on the model the stopper of the refilling opening is an elastomer stop per or a slider The refilling opening must always be open during measurement A Refilling opening O lt gt I y Remove the watering cap from the electrode tip Possible salt deposits in the area of the watering cap do not affect the measuring characteristics and can easily be removed with deionized water Note Please keep the watering cap It is required for the electrode to be stored Always keep the watering cap clean e Connect the combination electrode to the meter Measure with the electrode2. according to the operating manual of the meter and observe the following rules while doing so Make sure the refilling opening for the reference electrolyte solution is open Avoid the carryover of sample solution from one measurement to the next as follows Shortly rinse the sample beakers with the solution the beakers are to be filled with next Between measurements rinse the electrode with the solution that fol lows Alternatively you can also rinse the electrode with deionized wa ter and then carefully dab it dry e Immerse the electrode in the solution in a vertical or slightly tilted position e Make sure the immersion depth is correct The junction must be complete ly submersed in the solution The junction is in the area of the bottom end of the shaft see arrow ba76138e01 02 2013 4210 Commissioning measuring checking Conversion to normal hydrogen 4210 At the same time the level of the reference electrolyte must be at least 2 cm above the level of the solution Umeas Uret electrode with Uy ORP referring to the normal hydrogen electrode UMeas Measured ORP URet Voltage of the reference system compared to the normal hydrogen electrode URer is temperature dependent and can be taken from the following table see also DIN 38404 6 TEC T F Une mV TEC T F Une mV 4210 4210 0 32 224 35 95 200 5 41 221 40 10
3. electrode with deionized water Activating platinum electrodes First time For first time activation use the activation powder from the SORT RH reagent activation during set component of the SORT RH reagent set Immerse the moist but not installation and as dripping platinum electrode into the activation powder and rotate the required electrode several times in the powder Then remove the activation powder under flowing water with a soft brush e g toothbrush Activation during When changing from oxidizing to reducing test solutions and vice versa this very long set up can result in set up times that can take significantly more than an hour In this times case pretreatment activation of the platinum surface can shorten the set up time The type of pretreatment reducing or oxidizing is based on the pH val ue and the ORP voltage of the test solution where the latter must be es timated for the first measurement The type of pretreatment can then be determined using the following diagram where Uy is based on the normal hydrogen electrode 1000 Uy mV 4 8004 600 4 400 4 oxidizing pretreatment 2004 reducing pretreatment 0 T T T T 0 2 4 6 8 10 12 14 pH value ba76138e01 02 2013 9 Wear parts and accessories 4210 Oxidizing pretreat Immerse the platinum electrode for two to three ment days in sulfuric acid clorina solution 0 5 g clorina clorina solution powder 100 ml H5
4. 4 196 10 50 217 45 113 192 15 59 214 50 122 188 20 68 211 55 131 184 25 77 207 60 140 180 30 86 203 ba76138e01 02 2013 5 Commissioning measuring checking 4210 Checking with Zobell ORP buffer solution YSI 3682 U is temperature dependent and can be taken from the following table T C U mV T C U mV 4210 4210 0 262 30 4214 5 4254 35 4206 10 4246 40 199 15 4238 45 191 20 230 50 183 25 4222 ba76138e01 02 2013 4210 Aging During short measuring breaks Overnight or longer il Storage Immerse the electrode in the reference electrolyte with the refilling opening open Electrode Reference electrolyte Model see page 10 4210 3 mol l KCI Ag free KCI 250 250 ml Prior to the next measurement shortly rinse the electrode with the test sample or deionized water Insert the clean electrode into the watering cap filled with reference electrolyte and shut the refilling opening Note During longer storing periods salt sediments may develop on the watering cap They do not affect the measuring characteristics and can easily be re moved with deionized water when the electrode is put into operation again Aging Every ORP electrode undergoes a natural aging process Extreme operating conditions can considerably shorten the lifetime of the electrode These are e Strong acids or lyes hydrofluoric acid organic so
5. I Technical Support directly at 800 897 4151 When returning a product for service include the Product Return form with cleaning certification The form must be completely filled out for an YSI Service Center to accept the instrument for service The Product Return form may be downloaded at www ysi com and clicking on the Support tab ba76138d01 11 Contact Information 4210 12 ba76138d01 02 2013 Xylem zilem 1 The tissue in plants that brings water upward from the roots 2 a leading global water technology company We re 12 500 people unified in a common purpose creating innovative solutions to meet our world s water needs Developing new technologies that will improve the way water is used conserved and re used in the future is central to our work We move treat analyze and return water to the environment and we help people use water efficiently in their homes buildings factories and farms In more than 150 countries we have strong long standing relationships with customers who know us for our powerful combination of leading product brands and applications expertise backed by a legacy of innovation For more information on how Xylem can help you go to www xyleminc com EJEJESESEEJES ET YSI A 1725 Brannum Lane TI Yellow Springs OH 45387 IEEN Tel 1 937 767 7241 800 765 4974 YS i Fax 1 937 767 1058 o Email environmental ysi com Web www ysi com a xylem brand OXylem Inc
6. O dist 2 3 ml 20 sulfuric acid Clorina powder for producing the solution is includ ed in the SORT RH reagent set Note The diaphragm must not be immersed in the Reducing pretreat When the electrode is ready for the test immerse it ment in the Zobell ORP buffer solution and wait for a sta ble measured value Wear parts and accessories 10 Description Model Order no Reference electrolyte solution mol l KCl KCI 250 109 705Y Ag free 250 ml Reagent set for regenerating ORP platinum SORT RH 109 730Y electrodes consisting of 10 g activation pow der and 30 g clorina powder Zobell ORP buffer solution 125 ml 3682 061320 ba76138e01 02 2013 4210 Contact Information Contact Information Ordering amp Technical Support Telephone 800 897 4151 937 767 7241 Monday through Friday 8 00 AM to 5 00 PM ET Fax 937 767 1058 Email environmental O ysi com Mail YSI Incorporated 1725 Brannum Lane Yellow Springs OH 45387 USA Internet www ysi com When placing an order please have the following information available YSI account number if available Name and Phone Number Model number or brief description Billing and shipping address Quantity Purchase Order or Credit Card Service Information YSI has authorized service centers throughout the United States and Internationally For the nearest service center information please visit www ysi com and click Support or contact YS
7. OPERATIONS MANUAL ba76138e01 02 2013 4210 ORP ELECTRODE EERE BEER MEA TT IMAM a xylem brand il Contact Copyright 4210 For the most recent version of the manual please visit www ysi com YSI 1725 Brannum Lane Yellow Springs OH 45387 USA Tel 1 937 767 7241 800 765 4974 Email environmental ysi com Internet www ysi com 2013 Xylem Inc ba76138e01 02 2013 4210 General information Automatic sensor recognition General data Measurement and application characteristics Shaft dimensions material electrical connection Connection cable Accuracy of the IDS measuring technique General information The sensor electronics with the stored sensor data is in the connecting head of the electrode The data include among other things the sensor type and series number The data is recalled by the meter when the sensor is connected and is used for measurement and for measured value documen tation The digital transmission technique guarantees the failure free communi cation with the meter even with long connection cables If the sensor firmware is enhanced by YSI it can be updated via the meter Technical data Reference electrolyte 3 mol l KCI Ag free Junction Ceramic Electrode material and shape mV measuring range Allowed temperature range Platinum circle 1250 0 1250 0 100 C 32
8. lvents oils fats bro mides sulfides iodides proteins e High temperatures e High changes in pH and temperature The warranty does not cover failure caused by measuring conditions and mechanical damage ba76138e01 02 2013 Aging 4210 Refilling the reference electrolyte Maintenance and cleaning During operation a small amount of reference electrolyte leaks through the junction from the electrode into the test sample If the level of reference electrolyte becomes too low with time refill it through the refilling opening Refilling is very easy using a dropping bottle Proceed as follows e Cut off the tip of the dropping bottle at a right angle until the opening in the tip can be seen e Open the refilling opening of the electrode Press the tip of the dropping bottle into the refilling opening while turning it slightly Pump several small quantities of the reference electrolyte into the stem using the dropper bottle Pull the dropping bottle out of the refilling opening while turning it slightly as necessary ba76138e01 02 2013 4210 Activating platinum electrodes Cleaning Remove water soluble contamination by rinsing with deionized water Re move other contamination as follows Contamination Cleaning procedure Fat and oil Rinse with water containing household wash ing up liquid Lime and hydroxide deposits Rinse with citric acid 10 by weight After cleaning Rinse the
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