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M o d e l   N o .   P S - 2 1 6 8

 S p e c i f i c a t i o n s

5

Appendix A: DataStudio Temperature Calibration

In DataStudio, click the Setup button to open the Experiment Setup window; in that 
window, click the Calibrate button to open the Calibrate Sensors dialog box. For a 
two-point calibration, you will need two “known standards,” or liquids that you know 
the temperature of, such as ice water and boiling water.

1.

From the Sensor field, select 

General Science

.

2.

Ensure that “Calibrate all similar measurements simulta-
neously” is 

not

 selected.

3.

From the Calibration Type menu, select 

2 Point (Adjust Slope 

and Offset)

, if it is not already selected.

4.

Place the probe in the first known standard.

5.

Enter the known temperature of the standard in the 

Standard 

Value

 field for Point 1.

6.

Observe the 

Present Sensor Measurement

 and wait until it 

has stabilized.

7.

Click the 

Read From Sensor

 button for Point 1. 

8.

Place the probe in the second known standard.

9.

Enter the known temperature of the standard in the 

Standard 

Value

 field for Point 2.

10.

Observe the 

Present Sensor Measurement

 and wait until it 

has stabilized.

11.

Click the 

Read From Sensor

 button for Point 2.

12.

Click 

OK

 to accept the new calibration.

Appendix B: EZ Screen

If you are using the General Science MultiMeasure Sensor with a PASPORT interface 
connected to a computer, you can use EZ-Screen software instead of DataStudio. 
When the sensor is connected to the computer through the interface (if DataStudio is 
not running) a window automatically launches giving you the option of launching 
EZ-Screen. In EZ-Screen, click the green arrow button to start data collection. Click 
the General Science Sensor icon in the lower-right corner to cycle through 
sound-level, voltage, temperature, and light measurements.

Click to start

data collection

Click to change

measurements

EZ-Screen

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