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Hanna Instruments GROLINE MONITOR HI981420, Instruction Manual, Page: 6 / 44

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Hanna Instruments GROLINE MONITOR HI981420 Instruction Manual Download Page 6

6 

SPECIFICA

TIONS

Temperature Specifications

Additional Specifications

Probe

HI1285‑8

 pH/EC/TDS/temperature polypropylene 

body, pre‑amplified multiparameter probe with internal 
temperature sensor DIN connector and 2 m (6.6’) cable 
Max Pressure: 0.2 bar
pH range: 0 to 13 pH
IP68 (continous immersion up to 2 meters)

Automatic Logging

Measurements (pH, EC, TDS, Temperature)  
min/max/average/status logged continuously at 15 
minutes interval
Recall graphic modes
Export on USB‑C flash drive or PC
Log files in CSV format
30 days stored data at 15 minutes interval

Display 

128 x 64 pixel B/W LCD with green backlight 
Automatic backlight dimming using ambient light sensor

GLP

Good Laboratory Practice with last 5 pH and EC 
calibration history.

Monitor Waterproof Protection

IP65 (dust and low pressure water jets)

Alarms

High and Low with enable/disable option for all 
parameters.

Range

0.0 to 60.0 °C / 32.0 to 140.0 °F

Resolution

0.1 °C / 0.1 °F

Accuracy 

±0.5 °C /±1 °F

Summary of Contents for GROLINE MONITOR HI981420

Page 1: ...INSTRUCTION MANUAL HI981420 GROLINE MONITOR ...

Page 2: ... the instrument as well as a precise idea of its versatility If you need additional technical information do not hesitate to e mail us at tech hannainst com or view our worldwide contact list at www hannainst com All rights are reserved Reproduction in whole or in part is prohibited without the written consent of the copyright owner Hanna Instruments Inc Woonsocket Rhode Island 02895 USA Dear Cust...

Page 3: ... 5 2 PROBE CONNECTION 5 3 ELECTRODE CONDITIONING AND MAINTENANCE 5 4 MONITOR MENU 5 4 1 MENU OPTIONS 5 4 2 GENERAL SETUP 5 4 3 pH SETUP 5 4 4 EC SETUP 5 4 5 TEMPERATURE SETUP 5 4 6 ALARMS 6 OPERATIONAL GUIDE 6 1 PROBE CALIBRATION 6 1 1 QUICK CALIBRATION 6 1 2 pH CALIBRATION 6 1 3 EC CALIBRATION 6 2 GLP INFORMATION 6 3 MEASUREMENT MODE 7 DATA STORAGE 7 1 24 HR DATA FROM MEASUREMENT SCREEN 7 2 HISTO...

Page 4: ...ets for agriculture 2 12VDC adapter Instruction manual Monitor Quality Certificate Probe Quality Certificate Note Save all packing material until you are sure that the monitor works correctly Any defective item must be returned in its original packing 2 SAFETY MEASURES Before using this product make sure that it is entirely suitable for your specific application and for the environment in which it...

Page 5: ...k calibration solution Temperature Compensation Automatic 0 0 to 60 0 ºC 32 0 to 140 0 F Range 0 00 to 10 00 mS cm Resolution 0 01 mS cm Accuracy 25 ºC 77 ºF 0 1mS cm 0 00 to 5 00mS cm 0 2mS cm 5 00 to 10 00mS cm Calibration one point at 1 41 mS cm or 5 00 mS cm using auto standard recognition one point calibration using quick calibration solution Temperature Compensation not user selectable autom...

Page 6: ...average status logged continuously at 15 minutes interval Recall graphic modes Export on USB C flash drive or PC Log files in CSV format 30 days stored data at 15 minutes interval Display 128 x 64 pixel B W LCD with green backlight Automatic backlight dimming using ambient light sensor GLP Good Laboratory Practice with last 5 pH and EC calibration history Monitor Waterproof Protection IP65 dust an...

Page 7: ...mensions 125 x 185 x 38 mm 4 92 x 7 28 x 1 49 Monitor Weight 333g 11 7oz Probe Dimensions 187 x 25 x 25mm 7 36 x 0 98 x 0 98 Probe Weight 191g 7 7oz Ordering Information HI981420 is supplied with HI1285 8 multiparameter probe HI50036 0 Quick Cal buffer solution sachet 2 HI700661 pH electrode cleaning solution sachet for agriculture 2 DC power adapter 1 and instruction manual Warranty 2 years probe...

Page 8: ... acidic low pH or too basic high pH the pesticides mixed in can be deactivated and may even burn the plants The pH of water applied to the plants should match desired soil pH Otherwise it will gradually change the soil pH Acidic fertilizers can be used to lower pH Limestone is often used to raise pH The type of limestone applied and your soil type can make a difference in how quickly and how much ...

Page 9: ...ch your sample If it doesn t check the injectors valves and nozzles in the system for blockage or other problems Always check the EC of your water first and subtract that number from the EC reading of your solution to determine your fertilizer concentration Another way to determine the output of your fertilizer injector is by measuring the electrical conductivity EC of the dilute fertilizer soluti...

Page 10: ...y connecting to PC The main operating modes of this monitor are measurement setup and logging Follow this general outline of steps to get you started The following topics are expanded in the sections of this manual Other features Can be integrated into a fertilizer system pH EC TDS probe with built in temperature sensor As a failsafe feature if the pH bulb breaks the pH will be around 4 Multiple v...

Page 11: ...11 DESCRIPTION 4 3 PRODUCT DIAGRAM 1 Mounting holes 2 Liquid Crystal Display LCD 3 USB C port 4 Power cable 5 DIN Probe Connector 6 Ambient light sensor 7 Keypad Area FRONT VIEW BOTTOM VIEW ...

Page 12: ...EC Temperature options and General setup In menu mode scroll the menu items adjust the settings In measurement mode changes the screen three parameter screen pH EC and Temperature single parameter screen and plot display Enter Exit Help Menu Virtual Function Keys Contextual functionality ...

Page 13: ...dapter to the monitor and power source 4 Set up the monitor See the Monitor Menu section for details 5 Calibrate the probe Mounting the Monitor The HI981420 is supplied with mounting holes in the enclosure It should be wall mounted at eye level on a vibration free surface utilizing all the mounting holes Consider power source tank location with regard to sensor cable length and operating temperatu...

Page 14: ... HI1285 8 probe to the DIN socket on the bottom of the monitor by aligning the pins and pushing in the plug Tighten the nut to ensure a good connection Remove the protective cap from the probe before taking any measurements DO NOT BE ALARMED IF ANY SALT DEPOSITS ARE PRESENT This is normal with electrodes and they will disappear when rinsed with water 1 DIN Connector 2 Polypropylene Body 3 pH Senso...

Page 15: ...ive and will contaminate standards if not removed thoroughly from the probe pH bulb cleaning and inspection 1 On a weekly basics rinse the probe with tap water as preventative maintenance Inspect probe to ensure solids have not caked around the bulb Bi monthly a more thorough cleaning is advised Clean the entire HI1285 8 probe in HI700661 Electrode Cleaning Solution for Agriculture 2 Open the HI70...

Page 16: ...erial through the slot repeatedly 4 A salt or mineral coating can be removed by rinsing it with a steam of running tap water and jetting the steam through the opening During pH cleaning the EC probe will also be exposed to pH cleaning solutions This solution will also help dissolve coating on the EC sensors Rinse the slot thoroughly with water after this procedure as it is extremely conductive 5 S...

Page 17: ...Guide History When History is selected two options are available View and Options Using these the user can view data plot or can export data see Data Storage pH Three pH options are available CAL Setup and GLP 1 Press CAL to start a standard pH calibration procedure see pH calibration 2 Press Setup to enter in Menu pH options A High and or Low pH Alarm can be selected A calibration timeout feature...

Page 18: ...ess Setup to enter in a menu with parameters see EC Setup used to configure conductivity measurements These include alarms a calibration timeout feature mode and TDS factor 3 Press GLP to display the last EC calibration data and up to 4 previous calibration Use arrow to display previous calibration data The newest data is in position 1 Temperature Highlight Temperature and press Setup to display t...

Page 19: ...the minimum backlight intensity level If the minimum is changed then when the room is dark the backlight remains on at a lower brightness The range is 0 50 Press Manual and then Modify to change backlight value from 0 to 100 using arrows Press the Accept key to confirm or Escape to return to the general menu without saving the new value Contrast Press Modify to change contrast value from 0 to 100 ...

Page 20: ...rn to general menu without saving the new date or time Note If time is changed to a value before the last log a time conflict warning will be displayed and logs will be erased Time Format Option AM PM or 24 hour Press the functional key to select the desired time format Date Format Press the Modify key to change the Date Format Use the keys to select the desired format Press the Accept key to conf...

Page 21: ...f the languages installed Beep On Option Enable or Disable When enabled a short beep is heard every time a key is pressed A long beep alert sounds when the pressed key is not active or an error is detected Press the functional key to enable disable the beeper Press Escape to return to the general menu Instrument ID Option 0 to 9999 This option is used to set the instrument s ID identification Pres...

Page 22: ...vate Reset Monitor defaults settings Press Accept to initiate procedure or Cancel to return to the general menu without reset Reset Probe Data Use this feature when replacing the probe This function erases all of the previous probe s GLP history and calibration data 5 4 3 pH SETUP Alarm High and Alarm Low in the pH menu have two options Enable or Disable When alarms are set to Enable press Modify ...

Page 23: ...r Escape to return to the general menu without saving the new value Note The high alarm must be set to a value greater than the low alarm Calibration Timeout Calibration Timeout feature is used to set a calibration or service reminder This can be configured from 1 30 days or disabled A message will be displayed with the measurement indicating it s time to service the probe Resolution Press functio...

Page 24: ...n alarms are set to Enable press Modify to adjust EC alarm value Use keys to set EC alarm value Press the Accept key to confirm the value or Escape to return to the general menu without saving the new value Note The high alarm must be set to a value greater than the low alarm When selected measurement mode is TDS alarms values will be displayed in ppm units GENERAL OPERATIONS ...

Page 25: ...with TDS mode Press Escape to return to the general menu TDS Factor Press functional key to choose desired TDS factor 0 5 500ppm or 0 7 700ppm Press Escape to return to the general menu 5 4 5 TEMPERATURE SETUP Alarm High and Alarm Low in the Temperature menu have two options Enable or Disable When alarms are set to Enable press Modify to adjust the Temperature alarm value Use keys to set Temperatu...

Page 26: ...o the general menu without saving the new value When selected temperature unit is F alarm values will be displayed in same unit Temperature Unit Option C or F Press the functional key to select the desired temperature unit Celsius or Fahrenheit Press Escape to return to the general menu ...

Page 27: ...ed limits the flashing will stop In addition to the LCD flashing the message bar will display alarm information and the affected parameter will also blink pH EC TDS or Temperature The table below tabulates the configurable alarm parameters and the Factory set defaults Parameter Setup options Default pH Enable Disable Disable Alarm High 7 50 pH Alarm Low 5 50 pH EC TDS Enable Disable Disable Alarm ...

Page 28: ...ation with one or two buffers from 3 eligible pH values 4 01 7 01 10 01 and a single EC calibration point with standards 1 41 mS cm or 5 00 mS cm Preparation Pour small quantities of the buffer solutions into clean beakers If possible use plastic beakers to minimize any EMC interferences For accurate calibration and to minimize cross contamination use two beakers for each buffer solution one for r...

Page 29: ...H calibration function While in pH Calibration Mode the display will show the current pH reading the current temperature reading and the current buffer The following functions are available in pH Calibration Mode Clear Press to clear the last calibration from the monitor After confirming the Calibration cleared message is displayed Note The GLP history will show Calibration cleared message with th...

Page 30: ...nd close to the selected buffer the Confirm key will become available Press Confirm to accept and store the calibration point The monitor will now prompt for the second buffer To continue calibrating with a second buffer rinse and submerse the pH electrode 4 cm 1 into the second buffer solution and stir gently Monitor will recognizes automatically second buffer 4 01 or 10 01pH If Escape is pressed...

Page 31: ...ared message is displayed Confirm Press to accept the current calibration point Only available if the measurement is stable and within the limits for the selected EC standard solution Escape Press to exit calibration and return to MENU While in EC Calibration Mode the display will show the current EC reading the current temperature reading and the current standard The calibration can be erased at ...

Page 32: ...en with EC highlighted press the CAL key to begin the calibration process EC standard value will be autorecognized by monitor When the reading is stable and close to the selected standard the Confirm key will become available Press Confirm to accept and store the calibration point Press Escape to exit calibration without saving the calibration OPERATIONAL GUIDE ...

Page 33: ...lean the electrode and repeat calibration Wrong Temperature If the temperature sensor is reading an extreme value the Wrong Temperature message is displayed Replace probe No buffer detected This message appears if the probe has detected no buffer Invalid Slope This message appears when the calculated slope is not in the acceptable range Clean Electrode This indicates poor pH electrode performance ...

Page 34: ...brations GLP pH Highlight pH from MENU and press GLP Monitor will display date time buffer used slope and offset from last 5 calibrations If a single point buffer calibration was made the previous calibration slope will be used If all calibrations were cleared No user calibration message is displayed GLP EC Highlight EC from MENU and press GLP The monitor will display date time standard and cell c...

Page 35: ...plays all measured parameters Using arrows can access 3 options of display All parameter screen This screen is the default screen and displays all measured parameters Each time the monitor is started this screen will be displayed Depending on setup monitor will display EC or TDS and temperature in ºC or ºF Single parameter screen This screen permits better visualization from a distance In this scr...

Page 36: ...Whenever an event is triggered the status bar will show it in measure screen Possible events Logging disabled When Date and Time isn t set or the Real Time Clock is malfunctioning The backlight will blink pH EC TDS Temp Out of Range measurements have exceeded the Monitor specifications The backlight and the affected parameter will blink Note For same parameter alarms and other warnings will not be...

Page 37: ...ter will blink Note For same parameter warnings will not be visible while Alarm High Low message persists This has higher priority than warnings pH EC TDS Clean Cal Due last calibration exceeded the specified time interval or there is no calibration Note To clear this message there are two ways make a calibration or disable it from parameter setup ...

Page 38: ...4 HR DATA FROM MEASUREMENT SCREEN To access the logged data press the keys from measurement to display the 24 hr summary screen Press Details key to access 24hr summary and parameters key to select information for desired parameter Press Plot to display the data graphically 7 2 HISTORY Data from the last 30 days of measurements can be viewed from History Menu The following presentations are possib...

Page 39: ...to view the One day plot or or When Date and Time isn t set or the Real Time Clock is malfunctioning Logging disabled appears in measure screen in the status bar and the backlight will blink Press Details to view the tabulated data with date and time stamp Press the keys to scroll through the daily records max min and average readings Press Escape to return in plot mode Press Escape a second time ...

Page 40: ...iously saved file it will ask about overwriting If the monitor has an ID the file name will reflect that identification and a letter Exporting a second file from the same monitor will increment the letter by one For exemple if the ID is 123 the File names will be GLM0123 A through GIM0123 Z If all letters are taken an overwrite message appears After file transfer the monitor displays File transfer...

Page 41: ...d overwriting the same file In case of all letters are used the overwrite warning appears and the GLMxxxA csv will be replaced See exemple in Export to Flash drive Logged data are formated as configured in the Decimal Separator parameter csv and can be opened with any text editor or spread sheet program Suggested settings for correct formating use period field separator for Western Europe characte...

Page 42: ...achets 20 mL 25 pcs HI70007G pH 7 01 Buffer Sachets 20 mL 25 pcs HI70010P pH 10 01 Buffer Sachets 20 mL 25 pcs HI50036P Quick Calibration Sachets 20 mL 25 pcs HI7004 050 pH 4 01 Buffer Solution 500 mL HI7007 050 pH 7 01 Buffer Solution 500 mL HI7010 050 pH 10 01 Buffer Solution 500 mL HI5036 050 Quick Calibration Solution 500 mL EC SOLUTIONS HI70031G 1413 μS cm 1 41 mS cm solution 20 mL sachets 25...

Page 43: ...d materials when used for their intended purpose and maintained according to instructions Theprobeiswarrantedfor6months Damageduetoaccidents misuse tampering or lack of prescribed maintenance is not covered If service is required contact your local Hanna Instruments Office If under warranty report the model number date of purchase serial number and the nature of the problem If the repair is not co...

Page 44: ...Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com Local Office Hanna Instruments USA Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com MAN981420 ...

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