Hanna Instruments HI 96762C Скачать руководство пользователя страница 10

10 

FUNCTIONAL DESCRIPTION

OPERATING MODES

• 

Measurement mode

:

 default operation mode, enables both validation and measurement.

• 

Calibration mode

may be entered

 

by keeping 

CAL CHECK

 pressed for three seconds 

(the 

“CAL”

 tag appears), it enables calibration

 

of the instrument. 

• 

GLP mode:

 may be entered by pressing GLP/  (

GLP

 appears), it enables consulting of user 

calibration date or restore factory calibration.

  1)  The measuring scheme (lamp, cuvette, detector), appears during different phases of zero or 

reading measurement

  2)  Error messages and warnings
  3)  The battery icon indicates the charge state of the battery
  4)  The hourglass appears when an internal check is in progress
  5)  Status messages
  6)  The chronometer appears when the reaction timer is running
  7)  The month, day and date icons appear when a date is displayed
  8)  Four digit main display
  9)  Measuring units
10)  Four digit secondary display

DISPLAY ELEMENTS DESCRIPTION

Содержание HI 96762C

Страница 1: ...INSTRUCTION MANUAL HI96762C Free Chlorine Meter for Drinking Water Application...

Страница 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 ha...

Страница 3: ...PRINCIPLE OF OPERATION FUNCTIONAL DESCRIPTION ERRORS AND WARNINGS GENERAL TIPS FOR AN ACCURATE MEASUREMENT STARTUP MEASUREMENT PROCEDURE VALIDATION PROCEDURE CALIBRATION PROCEDURE GLP BATTERY MANAGEM...

Страница 4: ...HI96762 Ion Selective Meter is supplied complete with Sample Cuvettes and Caps 2 pcs CAL CheckTM standard cuvettes 9V Battery Scissors Cloth for wiping cuvettes Instrument Quality Certificate Instruct...

Страница 5: ...his makes the instruments fulfill field applications Display messages aid the user in routine operation The meter has an auto shut off feature that will turn off the instrument after 10 minutes of non...

Страница 6: ...00 mg L Resolution 0 001 mg L Accuracy 25 C 77 F 0 020 mg L 3 of reading Light Source Tungsten lamp Light Detector Silicon Photocell with narrow band interference filter 525 nm Method Adaptation of th...

Страница 7: ...centration of the substance d optical path through the substance Therefore the concentration c can be calculated from the absorbance of the substance as the other factors are known Photometric chemica...

Страница 8: ...ment process is carried out in two phases first the meter is zeroed and then the actual measurement is performed The cuvette has a very important role because it is an optical element and thus require...

Страница 9: ...e press to confirm factory calibration restore READ TIMER this is a multi functional key In measurement mode press to make a measurement or press and hold for three seconds to start a pre programmed c...

Страница 10: ...ation date or restore factory calibration 1 The measuring scheme lamp cuvette detector appears during different phases of zero or reading measurement 2 Error messages and warnings 3 The battery icon i...

Страница 11: ...ht to perform a measurement Please check the preparation of the zero cuvette No Light The instrument cannot adjust the light level Please check that the sample does not contain any debris Inverted Cuv...

Страница 12: ...ing calibration procedure Standard Low The standard reading is less than expected Standard High The standard reading is higher than expected Cap error Appears when external light enters in the analysi...

Страница 13: ...el of the 10 mL mark Proper use of the powder reagent packet a use scissors to open the powder packet b push the edges of the packet to form a spout c pour out the content of the packet It is importan...

Страница 14: ...ent After the reading it is important to discard immediately the sample otherwise the glass might become permanently stained All the reaction times reported in this manual are referred to 25 C 77 F In...

Страница 15: ...dy The blinking ZERO indicates that the instrument needs to be zeroed first Fill the cuvette with 10 mL of unreacted sample up to the mark and replace the cap Place the cuvette into the cuvette holder...

Страница 16: ...der and ensure that the notch on the cap is positioned securely into the groove Press and hold READ TIMER for three seconds The display will show the countdown prior to measurement The beeper is playi...

Страница 17: ...L CaCO3 May not be reliably develop the full amout of color or it may rapidly fade negative error To resolve this neutralize the sample with diluted NaOH Hardness in case of water with hardness greate...

Страница 18: ...will be obtained Turn the meter on by pressing ON OFF Place the CAL CheckTM Standard HI96762 11 Cuvette A into the cuvette holder and ensure that the notch on the cap is positioned securely into the g...

Страница 19: ...se At the end of the measurement the display will show the validation standard value The reading should be within specifications as reported in the CAL CheckTM Standard Certificate If the value is fou...

Страница 20: ...on please perform test at room temperature 18 to 25 C 64 5 to 77 0 F Turn the meter on by pressing ON OFF When the beeper sounds briefly and the LCD displays dashes the meter is ready Press and hold C...

Страница 21: ...ette holder and ensure that the notch on the cap is positioned securely into the groove Press READ TIMER and the lamp cuvette and detector icons will appear on the display depending on the measurement...

Страница 22: ...is automatically increased DATE INPUT or Note If the display shows STD HIGH the standard value was too high If the display shows STD LOW the standard value was too low Verify that both CAL CheckTM Sta...

Страница 23: ...h by pressing READ TIMER When the correct month has been set press ZERO CFM or READ TIMER to confirm Now the display will show the day blinking Press ZERO CFM to save the calibration date The instrume...

Страница 24: ...isplay LAST CALIBRATION DATE If no calibration was performed the factory calibration message F CAL will appear on the main display and the instrument returns to measurement mode after three seconds FA...

Страница 25: ...witched on The blinking ZERO means that a new zero has to be performed One fresh battery lasts for around 750 measurements depending on the light level The remaining battery capacity is evaluated at t...

Страница 26: ...h one Insert back the battery cover and turn it clockwise to close BATTERY REPLACEMENT Reagent Set HI95762 01 Reagents for 100 tests HI95762 03 Reagents for 300 tests Other Accessories HI96762 11 CAL...

Страница 27: ...arranted for two years against defects in workmanship and materials when used for its intended purpose and maintained according to the instructions This warranty is limited to repair or replacement fr...

Страница 28: ...a Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com Local Office Hanna Instruments USA 270 George Washington Highway Smithfield RI 02917 Phone 800...

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