Pasco SPARK Science Learning System User's Guide Instrukcja Użytkownika Strona 23

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SETTING UP AN EXPERIMENT 15
U
SING SENSOR ADAPTERS
Performing a 1-point offset-only calibration
In the Calibrate Sensor: Enter Values screen, complete these steps:
1. Apply a known quantity to the sensor.
For example, place a temperature probe in ice water known to be 0 °C.
2. Under Calibration Point 1 touch the Standard Value: box and enter
the known value.
For example, enter the known temperature of the water.
3. Under Calibration Point 1 touch Read From Sensor.
The value measured by the sensor is transferred to the Sensor Value: box.
4. Touch OK.
Calibration is complete.
Performing a 1-point slope-only calibration
In the Calibrate Sensor: Enter Values screen, complete these steps:
1. Apply a known quantity to the sensor.
For example, place a dissolved oxygen probe in a bottle known to contain
9.1 mg/L of dissolved oxygen.
2. Under Calibration Point 2 touch the Standard Value: box and enter
the known value.
For example, enter the known dissolved oxygen concentration.
3. Under Calibration Point 2 touch Read From Sensor.
The value measured by the sensor is transferred to the Sensor Value: box.
4. Touch OK.
Calibration is complete.
Using sensor adapters
Connecting a sensor through a Digital Adapter or Photogate Port
The Digital Adapter (PASCO part PS-2159) allows digital switch-type sensors
such as photogates and Smart Pulleys to used with the SPARK. It also allows the
use of a ScienceWorkshop Motion Sensor (CI-6742A) or Rotary Motion Sensor
(CI-6538).
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