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GREISINGER G 1501 Operating Manual

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Summary of Contents for GREISINGER G 1501

  • Page 1 Operating manual...

  • Page 2: Table Of Contents

    Qualified personnel.......................... 8 Description ............................ 9 Scope of delivery .......................... 9 Job description............................ 9 The product at a glance ........................ 10 The G 1501............................ 10 Display elements .......................... 10 Operating elements .......................... 10 Connections............................ 11 Bases for measurement ........................ 12 pH measurement ..........................
  • Page 3 Table of contents Configuration ............................ 23 7.2.1 Explanation ............................ 23 7.2.2 Opening the configuration menu...................... 23 7.2.3 Configuring parameters of the configuration menu................ 24 7.2.4 Adjustment of the measuring input .....................  26 7.2.5 Configuring parameters of the adjustment menu................ 27 Error and system messages......................

  • Page 4: About This Documentation

    1 | About this documentation 1 About this documentation 1.1 Foreword Read this document carefully and familiarise yourself with the operation of the product before you use it. Keep this document ready to hand and in the immediate vicinity of the product so that it is available to the personnel/user for reference at all times in case of doubt.

  • Page 5: Further Information

    About this documentation | 1 Prerequisite All mandatory prerequisites are then listed for each step. Instruction Tasks to be carried out by the personnel / user are represented as numbered instruc- tions. Adhere to the sequence of the specified instructions. Representation Shows an illustrative instruction or a configuration of the product.

  • Page 6: Safety

    2 | Safety 2 Safety 2.1 Explanation of safety symbols DANGER This symbol warns of imminent danger which can result in death, severe bodily injury, or severe property damage in case of non-observance. DANGER This symbol indicates danger for living tissue as well as a variety of materials, which can be damaged or destroyed when coming into contact with this chemical.

  • Page 7: Safety Instructions

    Safety | 2 DANGER Incorrect area of application! In order to prevent erratic behaviour of the product, personal injury or property dam- age, the product must be used exclusively as described in the chapter Description [} p. 9] in the operating manual. –...

  • Page 8: Intended Use

    2 | Safety NOTE If the product is stored at a temperature above 50 °C, or is not used for an extended period of time, the batteries must be removed. Leaks from the batteries are avoided as a result. NOTE This product does not belong in children's hands! 2.4 Intended use The product is designed for measuring the pH value and Redox by means of suitable...

  • Page 9: Description

    Description | 3 3 Description 3.1 Scope of delivery Please check to ensure the completeness of the product after opening the package. You should find the following components: – Quick reference guide – Handheld measuring device, ready for operation, including batteries –...

  • Page 10: The Product At A Glance

    4 | The product at a glance 4 The product at a glance 4.1 The G 1501 LCD Display G 1501 BNC connection and 2x4 GE 114 mm banana 4.2 Display elements Display Battery indicator Evaluation of the battery status...

  • Page 11: Connections

    The product at a glance | 4 Up / Down button Press briefly Display of the min/max value Change value of the selected parameter Long press Reset the min/max value of the current measure- ment Both simultaneously Rotate display, overhead display Function key Press briefly Freeze measurement...

  • Page 12: Bases For Measurement

    5 | Bases for measurement 5 Bases for measurement 5.1 pH measurement 5.1.1 Explanation The pH value describes the acidic or alkaline behaviour of an aqueous solution. A pH value below 7 is acidic, a value above 7 is alkaline. A pH value of 7 is neutral. The pH measurement is very precise, but also sensitive.

  • Page 13: Design

    Bases for measurement | 5 5.1.3 Design 1. Coaxial cable 2. Reference electrode 3. Measuring electrode 4. Refill opening 5. Electrolyte 6. Internal buffer 7. Diaphragm 8. Glass membrane / source layer The diaphragm, which establishes a connection between the electrolyte and the liquid to be measured, can be designed in different ways.

  • Page 14: Service Life

    5 | Bases for measurement – GE 120 BNC is an insertion electrode and is preferably used for measurements in cheese, fruit and meat. For measurements in products containing proteins, the electrode must be cleaned with a special cleaner. For this purpose, we recom- mend the GRL 100 pepsin cleaning solution.

  • Page 15: Redox Measurement

    Bases for measurement | 5 5.2 Redox measurement 5.2.1 Explanation The Redox potential 0RP specifies the extent to which the measured sample has an oxidising or reducing effect relative to the standard hydrogen electrode. This potential is frequently used in swimming pools as a measured variable for the dis- infecting effect of a chlorination.

  • Page 16: Maintenance

    6 | Maintenance 6 Maintenance 6.1 Operating and maintenance notices NOTE The product and electrode must be handled with care and used in accordance with the technical data. Do not throw or strike. NOTE Plugs and sockets must be protected from soiling. NOTE If the product is stored at a temperature above 50 °C, or is not used for an extended period of time, the batteries must be removed.

  • Page 17: Changing Battery

    Maintenance | 6 6.2.2 Changing battery DANGER Danger of explosion! Using damaged or unsuitable batteries can generate heat, which can cause the batter- ies to crack and possibly explode! – Only use high-quality and suitable alkaline batteries! CAUTION Damage! If the batteries have different charge levels, leaks and thus damage to the product can occur.

  • Page 18: Calibration And Adjustment

    6 | Maintenance 6.3 Calibration and adjustment 6.3.1 pH calibration Description In order to obtain reliable measurements, the device and electrode must be aligned with each other. In pH measurement, this is referred to as a calibration. In order to conduct a pH measurement, proceed as follows.
  • Page 19 Maintenance | 6 6.3.1.2 Buffer solutions Description At least one buffer solution is required to calibrate the product. In the process, you have the option of using a ready-to-use PHL buffer solution or mixing the solution yourself with GPH buffer capsules - refer to the instructions. Colour 10 °C 20 °C...
  • Page 20 6 | Maintenance 5. The product determines the correct value automatically. If the value is determined, the display flashes and an acoustic signal is issued to indicate a change to the next calibration point. 6. If the temperature sensor is not inserted, enter the temperature of the buffer solu- tion by pressing the Up key and Down key and confirm the entry by pressing the Function key again.
  • Page 21 Maintenance | 6 Outcome of an action After successful completion of the calibration the assessment of the electrode condi- tion is displayed briefly in percent. Then, the current measurement is shown in the dis- play again. A low value can be the result of the age of the electrode, contaminated or old buffer solutions or impurities on the BNC connector.

  • Page 22: Calibration And Adjustment Service

    6 | Maintenance 6.4 Calibration and adjustment service 6.4.1 Certificates The certificates are categorised as ISO calibration certificates and DAkkS calibration certificates. The purpose of the calibration is to verify the precision of the measuring device by comparing it with a traceable reference. NOTE The ISO standard 9001 is applied for the calibration certificates.

  • Page 23: Operation

    Operation | 7 7 Operation 7.1 Commissioning 7.1.1 Explanation Prerequisite – Sufficiently full batteries are inserted in the product. – A suitable electrode is plugged in Instruction – Press On/Off button. Outcome of an action Information about the configuration of the product appears in the display. Automatic shut- Automatic shut-off activated.

  • Page 24: Configuring Parameters Of The Configuration Menu

    7 | Operation 4. When you have selected the desired parameter, change the parameter to the de- sired value with the Up button and the Down button. 5. The changes are saved after running through the entire Configuration menu. STOR appears in the display.
  • Page 25 Operation | 7 Input Redox in mV, relative to silver / silver chloride - 0RP mV electrode Redox in mV , relative to hydrogen electrode 0RP mVH Temperature unit UN,T Temperature display in °C °( Temperature display in °F °F Alarms No active alarm Alarm alerting via text display, acoustic signal and...

  • Page 26: Adjustment Of The Measuring Input

    7 | Operation Factory settings IN,T Use current configuration Reset product to factory settings. IN,T DONE appears in the display Outcome of an action The changed value is saved and the Configuration menu is closed. STOR appears in the display. If necessary, the product is restarted automatically in order to adopt the changed values.

  • Page 27: Configuring Parameters Of The Adjustment Menu

    Operation | 7 7.2.5 Configuring parameters of the adjustment menu Description The following representation shows the available parameters and various configura- tion options. Prerequisites The Adjustment menu is open. See Adjustment of the measuring input [} p. 26]. Instruction 1. Select the desired parameter you would like to configure. 2.

  • Page 28: Error And System Messages

    8 | Error and system messages 8 Error and system messages Display Meaning Possible causes Remedy Error during the last Faulty calibration Conduct a new calibration >(AL< calibration No display, Battery depleted Battery depleted Replace battery unclear char- System error Error in the product Send in for repair acters or no...
  • Page 29 Error and system messages | 8 Replace batteries Send in for repair B-H86.0.12.DB2-1.0 29 / 35...

  • Page 30: Disposal

    9 | Disposal 9 Disposal Separation by material and recycling of device components and packaging must take place at the time of disposal. The valid legal regulations and directives applicable at the time must be observed. NOTE Fill in the return form available from the information base online at www.ghm-group.de and sent it in with the product.

  • Page 31: Technical Data

    Technical data | 10 10 Technical data Measuring range Redox Temperature 0.00 .. 14.00 pH -1500 .. +1500 mV -5 .. 105 °C 1293 .. +1707 mV 23 .. 221 °F Accuracy (at nominal temper- ± 0.02 pH ± 1 digit ±...

  • Page 32: Spare Parts And Accessories

    11 | Spare parts and accessories 11 Spare parts and accessories A selection of spare parts and accessories for this product is listed below. Article Number Name Description 610049 Mignon battery Mignon AA spare battery 603523 GAK 1400 Working and calibration set 600704 GE 100 Universal pH electrode with BNC connection...
  • Page 33 Device protection bag with 1 round cut-out A complete list of all accessories and spare parts is available in our product catalogue or on our home page. We can also provide further information by phone. Contact Internet: www.greisinger.de Tel: +49 94029383-52 B-H86.0.12.DB2-1.0 33 / 35...

  • Page 34: Service

    12 Service 12.1 Manufacturer If you have any questions, please do not hesitate to contact us: Contact GHM Messtechnik GmbH GHM GROUP - Greisinger Hans-Sachs-Str. 26 93128 Regenstauf | GERMANY Phone: +49 94029383-52 info@greisinger.de | www.greisinger.de WEEE reg. no. DE 93889386 12.2 Repairs...

  • Page 35: Sales Subsidiaries

    Phone +33 4 72 37 45 30 Phone +91 22 40236235 info@ghm.dk | www.ghm.dk a.jouanilou@ghm-group.fr info@ghmgroup.in | www.ghmgroup.in Italy for Greisinger & Delta OHM Italy for Honsberg, Martens, Val.co Netherlands GHM GROUP – Delta OHM GHM GROUP – Val.co GHM Meettechniek BV...

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