Thermo Scientific Star A222 Manual de usuario

Thermo Scientiﬁc Orion Star A222 and

Star A322 Portable Conductivity Meter

Instruction SheetCond

English

Preparation

Power Source

1. Power adapter (sold separately)

a. Select the appropriate wall socket plug plate.

b Slide off the clear plastic cover from the plug plate.

c. Slide the plug plate into the groove on the back of the

power adapter.

d. Connect the power adapter to the meter and

power outlet.

2. Batteries (included with meter)

a. Select four AA alkaline batteries.

b. Conﬁrm that the meter is powered off.

c. Remove the battery compartment cover – loosen the

screws holding the battery cover, release the top portion

of the battery cover from the meter (use a coin or your

ﬁnger) and release the bottom portion of the battery cover.

d. Orientate the batteries as shown in the battery

compartment housing and insert batteries.

e. Replace the battery compartment cover and screws.

Electrodes and Other Connections

1. Prepare the conductivity cell and any other applicable electrodes according to

the directions in the electrode user guide.

2. Connect the appropriate items as labeled on the meter and

as shown in the ﬁgure above:

For additional information on meter setup and operation, refer to the reference guide.

The reference guide is on the included CD and available at

www.thermoscientiﬁc.com/water.

DO/

RDO

ATC/

COND

POWER

USB

REF

RS232

BNC

Remove screws

Orion Star A222 &

Star A322 Portable

Use coin

or ﬁnger

to lift.

Orion Star A222 and Star A322 Portable Conductivity Meters

Display Icon Description

Shown when the meter is running on AC power.

Shown when the meter has batteries installed.

Indicates data is being sent to a computer or printer.

Indicates data is being sent to the data log.

Shown when an alarm is set and the alarm value is reached.

Indicates the meter is set to be interfaced with a printer or computer via

the RS232 port.

Indicates the meter is set to be interfaced with a printer or computer via the USB port.

Displays the time and date entered in the setup menu.

25.0˚C

ATC

Displays the current temperature based on the temperature probe reading or

entered temperature value. Shows the origin of the temperature as MAN

(entered temperature) or ATC (temperature probe).

HOLD Shown when is pressed and the displayed measurement is frozen.

Indicates a calibration was successfully completed.

100 Indicates a method is in use and the number of the method being used.

Cond Indicates the type of measurement and determines the type of calibration

that will be performed.

ready Speciﬁes the stability of the electrode as stabilizing or ready.

Shown when the meter is in AUTO-READ mode. The icon will blink while

the reading is stabilizing and stop blinking when the reading is stable and the

measurement is locked on the display.

1413 μS/cm Displays the measurement value based on the last saved calibration and current

electrode reading. Units are shown to the right of the value.

Cell Constant:

0.4750 Shows the cell constant in use from the last saved calibration.

Shows the operator assigned sample ID number. Star A322 meter only.

Shows the operator assigned user ID number. Star A322 meter only.

cal Displays the action that will be performed when f1 is pressed.

view log Displays the action that will be performed when f2 is pressed.

setup Displays the action that will be performed when f3 is pressed.

Display Information

Orion Star A222 and Star A322 Portable Conductivity Meters

Keypad

1. Press to power the meter on. When the meter is on, press and quickly release to turn the

backlight on or off or press and hold for about three seconds to power the meter off.

2. Press to exit any meter function and return to the measurement mode.

3. The f1, f2, and f3 function keys perform a variety of meter operations. The menu-speciﬁc operation is

shown above each key. For example, press f1 in the measurement mode to start a calibration.

4. The , , or keys are used as navigation keys (up, right, down, left) when selecting from

a ﬁxed list or grid of meter options. In the measurement mode, these keys are used to access the setup

menu, change the measurement mode, manually log or print a measurement and hold (freeze) a displayed

measurement.

Press the f1, f2 and f3 function keys to perform the action shown above each key

on the display.

Press to turn the meter on.

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 and other menus, press to escape the current menu and

return to the measurement mode.

In the measurement mode, press to enter the setup menu.

In the setup, calibration and other menus, press to scroll up through a list of options.

In the continuous measurement mode, press to freeze the displayed measurement and

press again to unfreeze the measurement.

In the setup, calibration and other menus, press to scroll left through a list of options.

In the measurement mode, press to change the displayed measurement mode. Options

are Cond (conductivity), TDS (total dissolved solids), Salinity and Res (resistivity).

In the setup, calibration and other menus, press to scroll right through a list of options.

In the measurement mode, press to log or print a measurement.

In the setup, calibration and other menus, press to scroll down through a list of options.

Keypad Display Information

Orion Star A222 and Star A322 Portable Conductivity Meters

Conductivity Calibration

One to ﬁve conductivity standards can be used for calibration. Always use fresh standards and select

standards that are near the sample conductivity. Prepare the conductivity cell according to the instructions in

the conductivity cell use guide. Connect the conductivity cell and any other electrodes to be used to the meter.

Power on the meter and set the measurement mode to conductivity.

Note: For an automatic calibration, the nominal cell constant of the conductivity cell must be entered in the

setup menu before the calibration is performed and Thermo Scientiﬁc Orion 100 uS/cm, 1413 uS/cm and/or

12.9 mS/cm conductivity standards must be used.

Automatic and Direct Calibration

1. In the measurement mode, press f1 (cal).

2. Rinse the conductivity cell and any other electrodes in use with distilled water, blot dry with a lint-free

tissue 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 ﬂashing and perform one of the

following actions:

a. Press f2 (accept) to accept the displayed conductivity value.

b. Press

f3 (edit) to access the numeric entry screen and edit the conductivity standard value.

i. Press

, , or to highlight a number or decimal point, press f3 (enter) to select

the highlighted item and repeat until the standard value at the measured temperature is shown.

ii. Press

f2 (done) to exit the numeric entry screen.

iii. Press

f2 (accept) to accept the entered conductivity value.

5. Press f2 (next) to proceed to the next standard and repeat steps 2 through 4 or press f3 (cal done) to

save and end the calibration. If ﬁve standards are used, the calibration will save and end once the ﬁfth

conductivity standard value is accepted.

6. The meter will display the calibration summary including the average calculated cell constant. Press

f1 (meas) to export the data to the calibration log or press f2 (print) to export the data to the calibration

log and a printer or computer. The meter will automatically proceed to the measurement mode.

Orion Star A222 and Star A322 Portable Conductivity Meters

Measurement

Press while taking a measurement in the continuous measurement mode to freeze the display and

press a second time to unfreeze the display and continue the measurement. Press while taking

a measurement to manually export the measurement to the data log, if the data log is enabled in the

setup menu.

1. Ensure the measurement mode is set correctly. To set the measurement, press to scroll through the

conductivity, TDS, salinity and resistivity measurement modes.

2. Rinse the conductivity cell electrode and any other electrodes in use with distilled water, blot dry with a

lint-free tissue and place into the sample.

3. Start the measurement and wait for it to stabilize.

a. If the meter is in AUTO-READ mode (default setting), press to start the measurement. When

the icon stops ﬂashing, record the conductivity, TDS, salinity or resistivity and temperature of

the sample. Press again to start a new measurement.

b. If the meter is in continuous mode, the meter will immediately start taking a measurement and

update the display whenever the measurement changes. Wait for the display to show ready and

record the conductivity, TDS, salinity or resistivity and temperature of the sample.

c. Star A322 meter only – If the meter is in timed mode, the meter will log measurements at the

preselected time interval, regardless of the measurement stability. The meter will update the display

whenever the measurement changes, so the conductivity, TDS, salinity or resistivity and temperature

of the sample can be recorded when the display shows ready.

4. Remove the conductivity cell from the sample, rinse with distilled water, blot dry and place into the

next sample.

5. Repeat steps 3 and 4 for all samples.

6. When all samples have been measured, store the conductivity cell according to its user guide.

Read Type Selection

1. In the measurement mode, press .

2. Press , , or to highlight COND Channel and press f3 (select).

3. Press or to highlight Mode and Settings and press f3 (select).

4. Press or to highlight Read Type and press f3 (select).

5. Press or to highlight Auto, Continuous or Timed (Star A322 meter only) and press f3 (select).

a. Star A322 meter only – If Timed is selected and the time interval needs to be changed – highlight Timed;

press to highlight hours (HH), minutes (MM) or seconds (SS); press f3 (edit) to access the numeric

entry screen; use the numeric entry screen to change the values and press f1 (back) when the time

interval is correct.

6. Press to return to the measurement mode.

Orion Star A222 and Star A322 Portable Conductivity Meters

Setup Menu

Navigating the Setup Menu

1. In the measurement mode, press to enter the main setup menu.

2. Press , , or to scroll through the main setup menu options. Press f3 (select) to

select a main setup menu option.

3. Press or to scroll through setup submenu options. Press f3 (select) to select a setup

submenu option.

4. Perform the appropriate actions to set the desired parameter in the setup submenus.

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 value to be entered by pressing f3 (select) or f3 (edit). The numeric entry screen will

popup on the display.

ii. Press , , or to highlight a number, decimal place or negative sign; press

f3 (enter) to select the highlighted item and repeat until the desired value is shown on the top

of the numeric entry screen.

iii. Press f2 (done) to save the value and exit the numeric entry screen.

5. Press f1 (back) and then key to return to the measurement mode at any time.

Setup Menu Overview

COND Channel Settings Log View Diagnostics

Method

Mode & Settings

tMeasure Mode

tRead Type

tCell K

tStability

tAveraging

tRef Temp

tTemp Comp.

tTemp Coeff

tAlarm Settings

tSample ID

*Star A322 meter only

Temperature

tManual Temp Value

tTemperature Unit

tTemperature Calibration

tExport Data

tData Log

tDate / Time

tLanguage

tKey Press Beep

tAlarm Beep

tContrast

tAuto Shut Off

tUser ID

*Star A322 meter only

tData Log

tCalibration Log

tMeter Self Test

tFactory Reset

tAbout Meter

Orion Star A222 and Star A322 Portable Conductivity Meters

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 COND Channel and press f3 (select).

3. Press or to highlight Mode and Settings and press f3 (select).

4. Press or to highlight Cell K and press f3 (select).

5. 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.

6. Press f1 (back) and then press to return to the measurement mode.

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 COND Channel and press f3 (select).

3. Press or to highlight Mode and Settings and press f3 (select).

4. Press or to highlight Ref Temp. and press f3 (select).

5. Press or to highlight 5 °C (Star A322 meter only), 10 °C (Star A322 meter only), 15 °C, 20 °C or 25 °C

and press f3 (select).

6. Press to return to the measurement mode.

Temperature Compensation Selection

The temperature compensation can be turned off or set to Linear, nLFn (non-linear ultra pure non-degassed

water), nLFu (non-linear ultra pure degassed water) or EP (temperature compensation off and warning is displayed

if conductivity values are outside EP requirements for ultra pure water) and is used to report all conductivity

measurements at the selected reference temperature.

1. In the measurement mode, press .

2. Press , , or to highlight COND Channel and press f3 (select).

3. Press or to highlight Mode and Settings and press f3 (select).

4. Press or to highlight Temp. Comp. and press f3 (select).

5. Press or to highlight Off, Linear, nLFn, nLFu (Star A322 meter only) or EP (Star A322 meter only)

and press f3 (select).

6. Press to return to the measurement mode.

Orion Star A222 and Star A322 Portable Conductivity Meters

North America

166 Cummings Center

Beverly, MA 01915 USA

Toll Free: 1-800-225-1480

Tel: 1-978-232-6000

[email protected]

Netherlands

Tel: (31) 033-2463887

info.water[email protected]

India

Tel: (91) 22-4175-8800

wai.asia@thermoﬁsher.com

are the property of Thermo Fisher Scientiﬁc Inc. & its subsidiaries.

Water Analysis Instruments

www.thermoscientiﬁc.com/water

China

Tel: (86) 21-68654588

wai.asia@thermoﬁsher.com

Singapore

Tel: (65) 6778-6876

wai.asia@thermoﬁsher.com

Japan

Tel: (81) 045-453-9175

wai.asia@thermoﬁsher.com

Australia

Tel: (613) 9757-4300

in Australia (1300) 735-296

InfoWaterAU@thermoﬁsher.com

9 0 0 1 : 2 0 0 8

68X576602 RevA 0811

Viewing the Calibration Log

1. In the measurement mode, press .

2. Press , , or to highlight View Log and press f3 (select).

3. Press or to highlight Calibration Log and press f2 (accept).

4. Press or to highlight Conductivity – Channel and press f2 (select).

5. Press or to highlight Conductivity, Resistivity, TDS, Salinity or Temperature as the calibration type

and press f2 (select).

6. The meter will display a list of calibrations for the selected channel and calibration type. The list shows the

sequential number of the calibration and the date and time it was saved (07/01/2011 12:45).

7. To view the calibration data, press or to highlight a speciﬁc calibration and press f2 (select).

Press f2 (print) to print the calibration or press f1 (back) to return to the list of calibrations.

8. Press to return to the measurement mode.

Viewing the Data Log

1. In the measurement mode, press .

2. Press , , or to highlight View Log and press f3 (select).

3. Press or to highlight Data Log and press (accept).

4. The meter will display a list of the data points. The list shows the sequential number of the data point and

the date and time the data point was saved (07/01/2011 12:45).

5. To view the measurement information for an individual data point, press or to highlight the data point

and press f2 (select). Press f2 (print) to print the data point or press f1 (back) to return to the list of data points.

6. Press to return to the measurement mode.

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