Vernier Tech Info Library TIL #1391

Surface Temperature Sensor detailed information

Surface Temperature Sensor, order code STS-BTA, $23.00
Specifications and User Guide

STS-BTA is for use in measuring temperatures IN AIR ONLY.

TROUBLESHOOTING
-Primary Test: Plug in the sensor and start up the data-collection program. Temperature readings should appear on the main screen of the program. Hold the tip of the sensor to warm it and check that the temperature is changing.

-Secondary Test: (calculator only) if the main screen displays -999.9 as the temperature reading, press the CLEAR key to reset the program.

-Secondary Test: (Palm handheld only) if the main screen displays -999.9 as the temperature reading, tap the New button to reset the program.

PUBLIC TIL ENTRIES: none as of 3/28/2005
Public List of TIL Entries for STS-BTA

SPECIFICATIONS
-new order code: STS-BTA
-old order code: none
-Range: -25 deg C to 125 deg C
-Maximum temperature that the sensor can tolerate without damage: 150 deg C
-Typical Accuracy: +/- 0.2 deg C at 0 deg C, +/- 0.5 deg C at 100 deg C
-12-bit resolution: (with LabPro or Go! Link) 0.08 deg C (-25 to 0 deg C); 0.03 deg C (0 to 40 deg C); 0.1 deg C (40 to 100 deg C); 0.25 deg C (100 to 125 deg C)
-10-bit resolution: (with CBL or CBL II) 0.32 deg C (-25 to 0 deg C); 0.12 deg C (0 to 40 deg C); 0.4 deg C (40 to 100 deg C); 1.0 deg C (100 to 125 deg C)
-Temperature sensor: 20 k NTC Thermistor
-Response time: (time for a 90% change in reading)
50 seconds in still air
20 seconds in moving air
-Probe length (handle plus body): 15.5 cm

CALIBRATION
-Calibrate? No.
-If you find that you need to calibrate this sensor, it can be calibrated using LoggerPro 3.3 or newer. Because the sensor requires a 3-point calibration, it cannot be calibrated with a calculator or a Palm, or earlier versions of LoggerPro.

RELATED VERNIER PRODUCTS
-Extra Long Temperature Probe, order code TPL-BTA, $70.00
-Direct-Connect Temperature Probe, order code DCT-DIN, $28.00, (for use with Serial Box Interface or ULI)
-Thermocouple, order code TCA-BTA, $55.00, (for use with temperature range of -200 deg C to 1400 deg C)
-Stainless Steel Temperature Probe, order code TMP-BTA, $29.00

Created by: jrandall on March 28 2005
Last updated by: gstahmer on August 17 2005