GREISINGER GMH 5450 Operating Manual Download Page 1

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H83.0.01.6C-06

GHM Messtechnik GmbH - Standort Greisinger

D-93128 Regenstauf, Hans-Sachs-Straße 26

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+49 (0) 9402 / 9383-0

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+49 (0) 9402 / 9383-33

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[email protected]

as of version 1.9

GMH 5450

WEEE-Reg.-Nr. DE 93889386

Operating manual

Conductivity measuring device

water-proof, with data logger

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Please carefully read these instructions before use!

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Please consider the safety instructions!

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Please keep for future reference!

Summary of Contents for GMH 5450

Page 1: ...9402 9383 0 49 0 9402 9383 33 info greisinger de as of version 1 9 GMH 5450 WEEE Reg Nr DE 93889386 Operating manual Conductivity measuring device water proof with data logger Please carefully read th...

Page 2: ...UREMENT 8 6 7 ELECTRODES MEASURING CELLS 9 6 7 1 Assignment bayonet connector 9 6 7 2 Design and selection 9 6 8 TEMPERATURE COMPENSATION 9 6 8 1 Temperature compensation nLF according to EN 27888 9 6...

Page 3: ...pole bayonet socket Generally a suitable temperature sensor is included to the electrode The measured temperature is used for the automatic temperature compensation e g Lin or nlF and is additionally...

Page 4: ...ial damage 5 This device must not be used at potentially explosive areas The usage of this device at potentially explosive areas increases danger of deflagration explosion or fire due to sparking 3 Pr...

Page 5: ...re compensation 7 K 1 cm additional configuration units 8 logg arrow logger is ready arrow flashing automatic recording Logg CYCL is active 4 2 Pushbuttons On off key backlight press shortly activate...

Page 6: ...ndling Pull at label open in order to swing open the pop up clip Pull at label open again to swing open the pop up clip further Pop up clip closed Pop up clip at position 90 Pop up clip at position 18...

Page 7: ...cell constant K Application 0 01 0 004000 0 015000 1 cm Ultra pure water electrodes with K 0 01 0 1 0 04000 0 15000 1 cm Ultra pure water electrodes with K 0 1 1 0 4000 1 5000 1 cm Standard electrode...

Page 8: ...NaCl KCl etc 0 50 Natural waters surface waters drinking water 0 65 0 70 e g salt concentration of aqueous fertilizer solutions Attention This are only approximate values good for estimations but no...

Page 9: ...for used in petrol diesel etc with low conductivities 1000 S cm LF 210 6 8 Temperature compensation The conductivity of aqueous solutions depends on its temperature The temperature dependency is stron...

Page 10: ...ed for more than 2 minutes the configuration will be aborted All changes will be discarded Menu Parameter Value Description or rEAd Logg Read manual recordings see chapter 8 1 Manual recording Func St...

Page 11: ...ure compensation Compensation coefficient only if t Cor Lin 0 300 3 000 Temperature compensation coefficient in K Reference temperature of temperature compensation only if t Cor Lin or nLF 25 C 77 F R...

Page 12: ...in Set Alarm Configuration of alarm function On No So Measuring channel cond rES TDS SAL alarm on with buzzer without buzzer OFF No alarm function for measuring channel cond rES TDS SAL 0 0000 S cm 1...

Page 13: ...ly used for the operation of the logger functions 8 1 Manual recording Func Stor a Save measurements manually Up to 1000 measurements can be saved if logger function Func store is selected see Configu...

Page 14: ...rage process is signaled by shortly displaying St XXXXX where XXXXX is the number of the saved data set If the logger memory is full the recording stops automatically and the display shows b Stop reco...

Page 15: ...ur own software we offer a GMH3000 development package including a universally applicable Windows functions library GMH3x32e DLL with documentation can be used by all established programming languages...

Page 16: ...re known by the device and are compensated automatically Press Cal key for 2 s start of calibration actual value e g 1823 S cm value of solution e g 1413 S cm and CAL with rotary symbol and CAL with r...

Page 17: ...ut the interval after which the device reminds you to recalibrate The interval times should be chosen according to the application and the stability of the electrode CAL flashes on the display as soon...

Page 18: ...tings can only be checked and if necessary corrected by the manufacturer A calibration protocol is enclosed to the device ex works This documents the precision reached by the production process 16 Rep...

Page 19: ...evice CAL CAL flashing in upper display Either preset calibration interval has expired or last calibration is not valid Device has to be calibrated NO AVTO LO66 RAN6 Logger could not be started Auto r...

Page 20: ...ext supply 4 pole bayonet socket for serial interface and supply USB Adapter USB 5100 Analog output 0 1V adjustable Display 4 digit 7 segment illuminated white Add functions Min max hold function Adju...

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