HANNA HI 9147 Portable Water-resistant Dissolved Oxygen Meter with Galvanic Probe Battery Recharging System Instruction Guide
Contents
1. is used for shipping purposes only and can be thrown away 2 Insert the supplied O ring in onNG the membrane see figure 3 Rinse the supplied membrane HI 76409A with electrolyte while shaking it gently Refill with clean electrolyte Gently tap the membrane over a surface to ensure that no air bubbles remain trapped To avoid damaging the membrane do not touch it with your fingers TEMPERATURE SENSORS ANODE FILL FIRST CATHODE a TAP SCREW BACK 4 Whit the sensor facing down screw the cap clockwise to the end of the threads Some electrolyte will overflow CALIBRATION Calibration is a very simple 1 point procedure performed in air Ensure the probe is ready for measurements i e the membrane is filled with electrolyte see Probe Preparation section for details Switch the meter on select the mode and turn the trimmer to display 100 Ifthe environmental relative humidity is lower than 30 pour some deionized water approx 3 mm in the white cap supplied with the membrane Insert the probe in the cap and calibrate Keep the probe in vertical position to avoid any 13 mm contact of the membrane with the water Note For best accuracy calibration should be performed on the measurement site and the probe should be at the same temperature as the air Note After replacing the membrane or the electrolyte solution wait a few minutes for the reading to stabilize TAKING MEA2. not hesitate to e mail us at tech hannainst com This instrument is in compliance with the CE directives PRELIMINARY EXAMINATION Remove the instrument from the packing material and examine it carefully to make sure that no damage has occurred during shipment If there is any damage notify your Dealer The meter is supplied complete with e D O probe fixed HI 76409 4 with 4 m cable for HI 9147 04 HI 76409 10 with 10 m cable for HI 9147 10 e Spare membranes HI 76409A P with O rings 5 pcs e HI 7042S electrolyte solution 30 ml bottle e HI 710016 shockproof rubber boot e 9V Ni MH rechargeable battery e Screwdriver and instructions Note Conserve all packing material until the instrument has been observed to function correctly Any defective item must be returned in its original packing GENERAL DESCRIPTION Oxycheck is a water resistant Dissolved Oxygen meter with manual calibration automatic temperature compensation ATC salinity compensation and direct probe The instrument is equipped with an inductive system for battery recharge with no external contact to ensure a watertight seal Dissolved Oxygen is indicated in mg L ppm orin of saturation The temperature can be measured in the range from 5 to 50 C The Dissolved Oxygen readings are automatically compensated for the temperature effects on the oxygen solubility and membrane permeability Moreover the salinity compensation feature allows determination of Dissol
3. 0 to 51 g L range ALTITUDE COMPENSATION When salinity compensation is not required i e not salty water the SAL trimmer can be used to set the altitude correction value Enter the mg L mode by pressing the corresponding key Keep the SAL button pressed while turning the SAL trimmer to display the salinity value corresponding to the desired altitude See below table for reference ALTITUDE g L ALTITUDE g L 250 m 6 1250 m 26 500 m 1 1500 m 31 750 m 17 1750 m 36 1000 m 22 2000 m 40 PROBE amp MEMBRANE MAINTENANCE For a top performance probe it is recommended to replace the membrane every 2 months and the electrolyte once a month Proceed as follows e Unscrew the membrane by turning it counterclockwise Rinse the supplied spare membrane HI 76409A with some electrolyte solution while shaking it gently Refill with clean electrolyte Gently tap the membrane over a surface to ensure that no air bubbles remain trapped Whit the sensor facing down screw the cap clockwise to the end of the threads Some electrolyte will overflow If any deposit scales the sensors gently brush the sensor surface with the supplied scouring pad while paying attention to not damage the plastic body BATTERY RECHARGE amp REPLACEMENT The instrument features a battery level control system the V tag on the LCD lights up to advise the user that only a few hours of working life are left The instrumen
4. Instruction Manual Oxy Check HI 9147 Portable Water resistant Dissolved Oxygen Meter with Galvanic Probe and Battery Recharging System HANNA ry instruments www hannainst com WARRANTY HI 9147 meters are guaranteed for two years against defects in workmanship and materials when used for their intended purpose and maintained according to instructions The probes are guaranteed for one year This warranty is limited to repair or replacement free of charge Damages due to accident misuse tampering or lack of prescribed maintenance are not covered If service is required contact the dealer from whom you purchased the instrument If under warranty report the model number date of purchase serial number and the nature of the failure If the repair is not covered by the warranty you will be notified of the charges incurred If the instrument is to be returned to Hanna Instruments first obtain a Returned Goods Authorization Number from the Customer Service department and then send it with shipment costs prepaid When shipping any instrument make sure it is properly packaged for complete protection Hanna Instruments reserves the right to modify the design construction and appearance of its products without advance notice Dear Customer Thank you for choosing a Hanna product Please read carefully this instruction manual before using the meter If you need additional technical information do
5. SUREMENTS Ensure the meter has been calibrated Ensure the temperature sensors are immersed in the sample to be tested The D O reading can be displayed in air saturation or in ppm mg L press the corresponding key to enter the desired mode The instrument also measures the temperature press the C button to display the temperature value of the tested solution For accurate dissolved oxygen measurements a water movement of at least 5 7 cm sec is required In this way a constant replenishment of the oxygen depleted membrane surface is ensured During field measurements this condition may be achieved by manually agitating the probe into the solution being measured Accurate readings are not possible in still water During laboratory operations the use of a magnetic stirrer is recommended Note For some particular applications such as fish farming the membrane can be sterilized with stabilized iodine 20 to 50 ppm typically used for this purpose Note For use in harsh environments it is recommended to protect the membrane with the optional HI 76409 0 sleeve The response time will slightly slow down SALINITY COMPENSATION Oxygen measurements mg L range only can be compensated for salinity factor and the correction value can be set by the user Enter the mg L mode by pressing the corresponding key Keep the SAL button pressed while turning the SAL trimmer to display the desired salinity value within the
6. ation introduced by the user to the supplied equipment may degrade the instruments EMC performance To avoid electrical shock do not use this instrument when voltages at the measurement surface exceed 24 Vac or 60 Vdc To avoid damage or burns do not perform any measurement in microwave ovens
7. olution 0 1 mg L or 1 0 0 1 C Accuracy 1 of reading 0 0 2 C Typical EMC Deviation 2 of reading 0 1 C Calibration Manual in saturated air Temperature Compensation Automatic from 5 to 50 C 23 to 122 F Salinity Compensation to 51 g L resolution 1 g L Probe fixed HI 76409 4 with 4 m cable or HI 76409 10 with 10 m cable Battery Type 1x 9V Ni MH rechargeable Battery Charge Life 200 hours of use BL off Battery Life Approx 5 years Auto off After approx 6 minutes Environment 0 to 50 C 32 to 122 F max 95 RH non condensing Dimensions 164 x 76 x 45 mm 6 5 x 3 0 x 1 8 Weight with HI 76409 4 probe 511 g 1 12 lb ACCESSORIES HI 76409 4 Galvanic D O probe with built in temperature sensor and 4 m cable HI 76409 10 Galvanic D O probe with built in temperature sensor and 10 m cable HI 76409 0 Protective sleeve for HI 76409 probes series HI 76409A P Membrane for HI 76409 probes series 5 pcs HI 7042S Electrolyte solution 30 ml bottle HI 710015 Shockproof rubber boot blue color HI 710016 Shockproof rubber boot orange color HI 731326 Calibration screwdriver 20 pcs HI 710040 Battery recharger To be substituted by authorized technical personnel only IST9147R2 05 05 PROBE PREPARATION All Hanna D O probes are shipped dry To hydrate the probe and prepare it for use proceed as follows 1 Remove the black amp red plastic cap This cap
8. t is also provided with BEPS Battery Error Preventing System which tums the meter off if the battery level is too low to ensure reliable readings The 9V battery provided with the instrument can be recharged using the optional HI 710040 battery recharger Plug the recharger and the green LED will turn on then put the meter on the recharger and the LED will turn to orange to indicate that the battery is charging T It will take approx 14 hours to completely charge the battery The supplied 9V Ni MH rechargeable battery can last for approximately 5 years When the battery needs to be replaced remove the cover on the rear of the meter and replace the rundown battery with a new one while paying attention to the correct polarity lt 7 l El V Replacement should take place in a non hazardous area using a 9V Ni MH rechargeable battery Note The meter can also be powered with a normal 9V alkaline battery Never use the HI 710040 recharger with non rechargeable battery Note Dispose of the Ni MH battery according to local regulations Recommendations for Users Before using this product make sure that itis entirely suitable for the environment in which it is used Operation ofthis instrument in residential area could cause unacceptable interference to radio and TV equipment requiring the operator to take all necessary steps to correct interference Any vari
9. ved Oxygen even in salty waters The meter is housed in a rugged water resistant case for maximum protection in the field as well as in the laboratory The D O probe is provided with a membrane covering the galvanic sensors and a built in thermistor for temperature measurement and compensation The thin permeable membrane isolates the sensor elements from the testing solution but allows oxygen to enter Oxygen that passes through the membrane causes a current flow from which the oxygen concentration is determined Two models are available e HI9147 04 with HI 76409 4 probe 4 m cable e HI9147 10 with HI 76409 10 probe 10 m cable FUNCTIONAL DESCRIPTION HANNA Oxy Check 1 HI 76409 4 or HI 76409 10 galvanic D O probe fixed 2 Liquid Crystal Display 3 BL key turn the backlight ON as long as it is pressed C key display temperature measurement 5 key display 0 measurement in of saturation trimmer for calibration adjustment SAL trimmer for setting salinity compensation value SAL key display setting of salinity factor active only in mg L measurement mode 9 mg L key display 0 measurement in mg L ppm 10 OFF key turn the instrument OFF Note To turn the instrument ON press any of the measurement keys C mg L SPECIFICATIONS Range 0 0 to 50 0 mg L ppm 0 0 to 600 0 5 0 to 50 0 Res
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