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Freezing & Melting of Water (Computer)
Use a Vernier temperature probe and computer to investigate the freezing and melting temperatures of water.
Specifications
Temperature range: –40 to 135°C (–40 to 275°F)
Maximum temperature that the sensor can tolerate without damage: 150°C
Typical Resolution:0.17°C (–40 to 0°C)
0.03°C (0 to 40°C)
0.1°C (40 to 100°C)
0.25°C (100 to 135°C)
Temperature sensor: 20 kΩ NTC Thermistor
Accuracy: ±0.2°C at 0°C, ±0.5°C at 100°C
Response time (time for 90% change in reading):10 seconds (in water, with stirring)
400 seconds (in still air)
90 seconds (in moving air)
Probe dimensions:Probe length (handle plus body): 15.5 cm
Stainless steel body: length 10.5 cm, diameter 4.0 mm
Probe handle: length 5.0 cm, diameter 1.25 cm