Steinhart-Hart equation:
T = [K
0
+ K
1
(ln 1000R) + K
2
(ln 1000R)
3
]
-1
– 273.15
where
T
is temperature (°C),
R
is the measured resistance in k
Ω
,
K
o
=1.02119 × 10
-
3
,
K
1
= 2.22468 × 10
-4
, and
K
2
= 1.33342 × 10
-7
. Our programs perform this
conversion and provide readings in °C (or other units, if you load a different
calibration).
Troubleshooting
First check that the sensor is responding: Connect the sensor and start the
data-collection program. Hold the tip of the sensor in your hand to warm it and
check that the temperature changes.
For additional troubleshooting and FAQs, see
www.vernier.com/til/1391
Repair Information
If you have watched the related product video(s), followed the troubleshooting
steps, and are still having trouble with your Surface Temperature Sensor, contact
Vernier Technical Support at [email protected] or call 888-837-6437. Support
specialists will work with you to determine if the unit needs to be sent in for
repair. At that time, a Return Merchandise Authorization (RMA) number will be
issued and instructions will be communicated on how to return the unit for repair.
Warranty
Vernier warrants this product to be free from defects in materials and workmanship
for a period of five years from the date of shipment to the customer. This warranty
does not cover damage to the product caused by abuse or improper use. This
warranty covers educational institutions only.
Vernier Software & Technology
13979 SW Millikan Way • Beaverton, OR 97005-2886
Toll Free (888) 837-6437 • (503) 277-2299 • Fax (503) 277-2440
[email protected] • www.vernier.com
Rev. 3/18/16
Logger
Pro,
Logger Lite, Vernier LabQuest 2, LabQuest Mini, and other marks shown are our trademarks or
registered trademarks in the United States.
All other marks not owned by us that appear herein are the property of their respective owners, who may or may
not be affiliated with, connected to, or sponsored by us.
3