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1. ON OFF 5 e L 2 3 AB CC2. Seed a SD i 3 QONOFF 11 Bo ge ee ae 0 gt twin pH WATERPROOF Q a Pn
3. e 2 1 1 1 OBH OFF gi BORIC BE S pH7 pH4 2 7 4 B 211 i 4 B 211 B 212 LCD LCD pH 2 12 pH 2 12 0 1 pH 0 1 pH 5 40C 5 40 C 1 2 jae
4. pH 0 0 C 3 No 1 No 0113 9088 0005 00 8 000 pH7 14 mL 6 YO31 9088 0006 00 2 500 pH 4 14 mL 6 AX YO32 9088 0007 00 2 500 E Ei 075 313 8121 601 8510 2 lt pH gt 0120 37 6045 Io2CI 12 LL d twin ph qxd 06 8 16 11 31 AM 2 291002293500 INSTRUCTION MANUAL EVV EET meter B 211 B 212 E The TWIN pH meter is of waterproof structure Even so do not measure by immersing the entire meter in the sample Please keep this Instruction manual for future reference Replacing the Sensor When replacing the sensor be sure that the TWIN pH meter is turned OFF 1 Disconnecting the sensor Push the tongue A on the back of the main body and slide the sensor away from the main body Then pull out th
5. one 165X29X19 mm 165X29X19 mm 3 VX2 CR2032 2 3 VX2 CR2032 2 ABS ABS pH 7 14 mL pH 7 14 mL CR 2032 2 pH 4 14 mL CR 2032 2 JIS C0920 7 CRAOFIE 1 1 Ul epH 7 1 ARIE 5 ONOFF as hy 7P HA
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10. using pH 7 described recomended for more accurate measurement result Perform the calibration using pH 4 after the calibration on the previous page Do the pH 7 calibration Apply the pH 4 solution Then drop pH 4 standard solution to the areas A and B Press the CAL button The readout will display the calibration indicator and the correction for pH 4 01 Then the calibration indicator disappears and the readout shows approximately pH 4 0 This is an example is at a room temperature of 25 C or 77 F If the CAL mark blinks the TWIN pH meter has not been successfully calibrated Try the calibration again verifying that the correct standard solution has been used 4 with a new one Repair of the sensor is impossible e Batteries Note that the batteries supplied with purchase are trial samples and may After calibration Rinse the sensor with water and wipe it dry with a tissue or soft cloth Sensor guard The sensor is consumable and the life of it is limited When the sensor is damaged or the sensitivity becomes low replace it your TWIN pH meter at time of have a shorter life than normal Replace both batteries simultaneously Do not throw the exhausted batteries into a fire or do not recharge them When a battery is low you may not be able to turn on or off the power Please change the batteries early to avoid this e Water proof gasket The sealing
11. 7 8 WATERPROOF 1 FREI ON OFF pH 7 2 3
12. CAL 2 1 Be eget ters we By OFF Bese cm Were CALA B212 Y O pH pH 0 14 o EE bing 3 pH7 pH4 2 pH4 OREI O pH 7 1 Q ABEE BY 7A pH 4 KO SS pH 4 0 pH 4 pH 4 CAL pH 4 0 fi
13. MFG No Product name Your name Company Facility Address Phone Date of Purchase Purchased from Store Name Address This warranty is not valid unless all items are filled in correctry This warranty cannot be reissued
14. meter in the sample lf by mistake the unit is dropped into the sensor solution retrieve it immediately and dry it off as quickly and thoroughly as possible e Always take sufficient care in handling the pH meter Do not drop the TWIN pH meter or not be subjected to excessive force Do not leave the TWIN pH meter in any place where it will be subjected to direct sunlight high temperature or high humidity Do not wash the TWIN pH meter with organic solvents e Sensor At low humidity the area A of the sensor may show a film of white powderlike substance At high humidity the area A may become moist These conditions do not indicate any abnormality Before you use your TWIN pH meter wipe or rinse off any powder film or moisture that has formed The area B of the sensor is made of very thin glass The sensor the body and the attachments should be stored out of reach of children If the glass is broken detach the sensor from the body and carefully wrap it in newspaper or other wrapping material before throwing it away At times the response may be slow at first especially after the TWIN pH meter has been stored for a few days Drip some pH 7 solution onto the sensor and wait for 2 to 3 hours This will make the response faster 9 solutions for model B 212 Two point calibration using both pH 4 and pH 7 only p The two point calibration using pH 7 and pH 4 is 7
15. 1 pH 0 1 pH Temperature range for 5 C to 40 C 5 C to 40 C pH measurement Automatic one point calibration calibration value back up function Automatic two point calibration calibration value back up function Functions Waterproof structure Waterproof structure Automatic power shut off Automatic power shut off Immersion flat surface and Immersion flat surface and scooping measurements scooping measurements mimencians 1652919 mm 1652919 mm excluding protrusions excluding protrusions Two 3 V lithium batteries Two 3 V lithium batteries CR 2032 CR 2032 ABS resin ABS resin pH 7 standard solution 14 mL pH 7 standard solution 14 mL CR 2032 3 V lithium batteries pH 4 standard solution 14 mL Dripping pipette CR 2032 3 V lithium batteries Power supply Case Material Accessories Carrying case Dripping pipette Instruction manual Carrying case Waterproof gasket Instruction manual Waterproof gasket Consumables Part name Part number Sensor No 0113 pH 7 standard solution 14 mL 6 bottles Y031 pH 4 standard solution 14 mL 6 bottles Y031 9088 0005 00 9088 0006 00 9088 0007 00 11 2 Read the value displayed when the stabilization indicator appears When completing the measurement discard the sample rinse the sensor with tap water and wipe the sensor Note The TWIN pH meter is of waterproof structure Even so do not measure by immersing the entire meter in the sample I
16. changed Replace the sensor Display of 0 0 blinks during measurement Temperature warning C blinks 8 Replace the sensor One point calibration using pH 7 solution You should calibrate the TWIN pH meter with the 7 standard solution at least once a day Press the POWER button The pH meter automatically enters the measurement mode Apply the pH 7 solution Open the sensor guard and drop pH 7 standard solution to the areas A and B At this time write down the measured value for recording the sensor deterioration Press the CAL button After calibration once Rinse the sensor with water and The readout will display the wipe it dry with a tissue or soft calibration indicator and the cloth correction for pH 6 86 Then the calibration indicator disappears and the readout shows approximately pH 6 9 This is an example is at a room temperature of 25 C or 77 F Sensor guard POWER button CAL button Precautions in Handling the Unit Des VARNING Ea e f the standard solution comes into contact with your skin immediately flush it off with water If the standard solution gets into your eyes immediately rinse your eyes with water and consult a doctor as soon as you can e Exhausted batteries should never be placed within reach of children Caution The TWIN pH meter is of waterproof structure Even so do not measure by immersing the entire
17. d twin ph qxd 06 8 16 11 31 AM 1 IWIN oH RARER WATERPROOF B 211 CODE GZ9100229350C B 212 August 2006 1994 2006 HORIBA Ltd ia 2 O CR2032 2 2 a A O e
18. e sensor all the way from the main body 2 Connecting the sensor Slide the sensor onto the unit body so that tongue A on the back of the main body fits into hole a as shown It is now ready to use Note Be careful not to twist the water proof gasket Precautions As shown here make sure that the sensor tongue is inserted correctly in between the main unit case and the connector Be careful so as not to damage the connector Sensor tongue The sealing effect of the waterproof gasket may deteriorate if it is damaged or contaminated In this case replace the gasket Even if using the gasket in normal condition Good replace it biennially Sensor Main unit When removing the sensor carefully wipe off any Wrong drops of sample remaining on the waterproof Main unit gasket Do not let any water get inside the main body Names of Components and Their Functions Main unit Power button If none of the TWIN pH buttons are pressed for 60 minutes the power will automatically turn off CAL button calibration Holding this button down toggles the mode through CAL7 gt CAL4 gt measure Temperature alarm C If the C mark blinks the sample temperature is out of the range of 0C to 40 C Calibration indicator When the TWIN pH meter has not yet been calibrated this indicator blinks Stabilization indicator Display of pH values Display bl
19. effect of the waterproof gasket may deteriorate if it is damaged or contaminated In this case replace the gasket When replacing the gasket be sure that it is seated properly without any twisting e Sample The readout during calibration is not the pH value measured but the calculated pH value of the standard solution at the measured temperature Note Do not use the following types of sample because they may damage the sensor and shorten its life organic solvents oils adhesives cement alcohols strong acids pH 0 to pH 2 strong alkalis pH 12 to pH 14 and surfactants 10 Measurements 1 Applying the sample to the sensor There are three ways for applying the sample to the sensor Open the slide cap of the sensor guard Immerse the sensor in the sample and shake it a few times gently Immersion measurement Slide cap Sensor guard Open the sensor guard and wet the entire area from A to B with the sample and drop the sample to the areas A and B Flat surface measurement Sensor guard Open the slide cap of the Immerse the sensor in the Put the TWIN pH meter on the sensor guard sample and shake it a few desk Make sure that the sample times gently covers the entire area from A to B Specifications Model B 211 B 212 Measurement type Glass electrode method Glass electrode method Readout LCD LCD Measurement range PH 2 to pH 12 PH 2 to pH 12 Repeatability 0
20. f by mistake the unit is dropped into the sample retrieve it immediately and dry it off as quickly and thoroughly as possible After Measurement 1 Press the POWER button to turn off the power 2 Rinse the sensor with tap water and wipe it with a tissue or soft cloth 3 Close the slide cap of the sensor guard and store your TWIN pH in a safe dry place Note Do not keep the TWIN pH immersing in the liquid Package Details Sensor A H7 H4 Main body P p 4 standard standard Two lithium gt Dripping O solution solution batteries L pipette ik Note that the pH 4 standard solution is not provided with the Model B 211 Warranty This product has been brought to you having passed strict quality control and inspections lf any malfunction occur during the course of normal use the TWIN pH meter shall be repaired or replaced free of charge in accordance with the stipulations laid down herein The term of this warranty shall be for 12 months from date of purchase This warranty excludes batteries sensor and accessories Stipulations of warranty 1 The product the TWIN pH meter excluding batteries sensor and accessories shall be repaired or replaced free of charge if any malfunction occur during the course of normal use when returned within the warranty period 12 months from date of purchase Return the TWIN pH meter with proof of purchase date 2 Repair and or replacemen
21. inks when the pH of the sample is out of the range of pH 0 to pH 14 Page 6 gives package details Sensor Slide the sensor onto the unit so that the tongue A fits into hole a 4 Batteries Slide both batteries under the battery clips with plus sides upward Battery clips For details see page 7 Replacing the Batteries When replacing the batteries be sure that the TWIN pH meter is turned OFF When a battery is low you may not be able to turn on or off the power Please change the batteries early to avoid this Removing the batteries Use a ball point pen or other instrument to pry the batteries out from the clips as shown Note Always replace both batteries never use a new battery with an old one Inserting the batteries Slide both batteries into the battery clips as shown so that the plus sides are facing upwards Be sure to use only CR2032 type batteries Troubleshooting Problem Action The powder is not turned on when the POWER button is pressed Check that the batteries are correctly installed Replace the batteries Sensor response is slow measured value is unstable or calibration cannot be made If the TWIN pH meter has not used for a few days drop some pH 7 standard solution onto the sensor wait for 2 to 3 hours and measure again Replace the sensor Measured value does not change when the sample is
22. ll 25 4 0 GR AE eS pH 7 2 3
23. t expenses shall be charged to the customer in the following instances within the warranty period All incidental costs such as postage shall be also born by the customer 1 When the date of purchase and supplier name are not written on the warranty 2 When malfunction or damage has occurred due to misuse abuse or improper handling as noted in the Instruction Manual 3 When the TWIN pH meter has been repaired or dismantled by persons other than a HORIBA designated agent or service shop 4 Inthe event of changes in external appearance such as scratches or dirt caused during use or battery fluid leakage 5 In the event the unit has been subject to improper transportation dropping or to accidents such as fire earthquake flood or theft 6 When replacing periodically renewable components and accessories e g sensors batteries 7 When the cause of malfunction lies not in the TWIN pH meter itself 8 When this warranty is not presented or when the necessary particulars have not been filled in on the warranty card Our obligation under this warranty is to repair or replace the TWIN pH meter free of charge in accordance with the conditions laid down herein Accordingly this warranty does not limit your specific legal rights In order to register your TWIN pH meter properly under our warranty this card must be completed and promptly mailed to the nearest Horiba office listed below PLEASE RETURN IMMEDIATELY B 211 B 212
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