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Orion Star A215 Benchtop pH/Conductivity Meters

10

Conductivity Nominal Cell Constant Entry

The nominal cell constant value is used during an automatic conductivity calibration and allows the meter to 
determine which Thermo Scientific Orion conductivity standard is being used for the calibration. 

1.  In the measurement mode, press 

2. Press 

 or 

 to highlight 

Mode and Settings

 and press 

f3 (select)

.

3. Press 

 or 

 to highlight 

Cell K

 and press 

f3 (select)

.

4. Press 

f3 (select)

 to access the numeric entry screen and enter the nominal cell constant of the conductivity cell. 

a. Press 

 or 

 to highlight a number or decimal point, press 

f3 (enter)

 to 

select the highlighted item and repeat until the nominal cell constant value is shown. 

b. Press 

f2 (done)

 to exit the numeric entry screen. 

5. Press 

f1 (back)

 and then press 

 to return to the measurement mode.

Conductivity Reference Temperature Selection

The reference temperature is the temperature that all conductivity measurements will be reported at by the 
meter if temperature compensation is enabled.

1.  In the measurement mode, press 

2. Press 

 or 

 to highlight 

Mode and Settings

 and press 

f3 (select)

.

3. Press 

 or 

 to highlight 

Ref Temp.

 and press 

f3 (select)

.

4. Press 

 or 

 to highlight 

5 °C, 10 °C. 15 °C, 20 °C 

or 

25 °C

 and press 

f3 (select)

.

5. Press 

 to return to the measurement mode.

Summary of Contents for Orion Star A215

Page 1: ...ding to the directions in the electrode user guide 2 Connect the appropriate items as labeled on the meter and as shown in the gure to the right Electrode Arm The electrode arm can be attached to eith...

Page 2: ...t stability M 100 Indicates a method is in use and the number of the method being used pH Indicates the type of measurement and determines the type of calibration that will be performed ready Speci es...

Page 3: ...n When the meter is on press and quickly release to turn the display backlight on or off or hold down to turn the meter off In the measurement mode press to take a measurement In the setup calibration...

Page 4: ...t to accept the displayed value b Press f3 edit to access the numeric entry screen and edit the value i Press or to highlight a number decimal point or negative sign press f3 enter to select the highl...

Page 5: ...and place into the standard 3 When the conductivity cell and standard are ready press f3 start 4 Wait for the conductivity value on the meter to stabilize and stop ashing and perform one of the follow...

Page 6: ...data log is enabled in the setup menu 1 Rinse the pH electrode conductivity cell and any other electrodes in use with distilled water blot dry with a lint free tissue and place into the sample 2 If th...

Page 7: ...bmenus a To select a value from a list of options press or to highlight the desired value and press f3 select to set the value b To enter a numeric value use the numeric entry screen i Select the valu...

Page 8: ...t Temperature Calibration t Temperature Input Method Mode Settings t Measure Mode t Read Type t Cell K t Stability t Averaging t Ref Temp t Temp Comp t Temp Coeff t Alarm Settings Temperature t Manua...

Page 9: ...usethe numericentryscreentochangethevaluesandpressf1 back whenthetimeintervaliscorrect 6 Press to return to the measurement mode pH Buffer Group Selection The selected buffer group allows for the auto...

Page 10: ...tycell a Press or to highlight a number or decimal point press f3 enter to select the highlighted item and repeat until the nominal cell constant value is shown b Press f2 done to exit the numeric ent...

Page 11: ...or EP and press f3 select 6 Press to return to the measurement mode Viewing the Calibration Log 1 In the measurement mode press 2 Press or to highlight Calibration Log and press f2 accept 3 Press or...

Page 12: ...Tel 81 045 453 9175 wai asia thermo sher com Australia Tel 613 9757 4300 in Australia 1300 735 296 InfoWaterAU thermo sher com 9 0 0 1 2 0 0 8 68X576505 RevA 0811 Viewing the Data Log 1 In the measure...

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