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Stress Thermometer - SC911

  • Cold hands are tense, warm hands are relaxed
  • Great for learning hand warming relaxation techniques
  • See your stress response; train yourself to relax
  • Measure relaxation effectiveness with quantitative data
Our Part #
SMC SC911P
Manufacturer Part #
SC911
$24.95
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The Stress Thermometer lets you see changes in your hand temperature, which is a reflection of your blood flow and a measure of your stress response.

When you’re stressed, tiny blood vessels under your skin constrict, and the flow of blood is redirected to your major muscles and internal organs. This is why your hands feel cold when you are under stress. The blood has been rushed away from your fingers, to the more vital parts of your body because of the fight-or-flight response.

Hand temperatures can range greatly, from a low of 60° to as high as 99° F. When you’re stressed, 5° changes can take place in seconds.

The basic rule for interpreting your temperature change is simple, "Cold hands are tense, warm hands are relaxed."

  • Measures temperature 58°-150°F (≈14°-65°C)
  • Reads in increments of 0.1°
  • Updates temperature display every 2 seconds
  • Switch between Fahrenheit and Celsius
  • 3/4" high LCD display
  • Clock and room temperature feature

Want to learn more about how it works? Read the article "About Hand Warming Biofeedback"

STRESS TEST

Below 79°F 79-84°F 84-90°F 90-95°F Over 95°F
Below 26°C 26-29°C 29-32°C 32-35°C Over 35°C
Highly Tense Tense Calm Relaxed Deeply Relaxed

HOW IT WORKS

Your temperature is connected to your stress level.

When you are tense, the blood circulation in your hands and feet is reduced. This reduced circulation causes a drop in temperature.

Relaxing increases your peripheral blood circulation, warming your hands and feet. With simple stress reduction exercises, you can increase your blood flow, raising your temperature.

The Stress Thermometer lets you gauge your baseline temperature and stress level, and see moment-to-moment skin temperature changes as they relate to your stress level.

RELAXATION EXERCISE

Breathing from your lower diaphragm and not your upper lungs, inhale fully through your nose. Hold your breath for a moment, and exhale slowly through your mouth. Repeat, aiming for 6-12 breaths per minute. Watch your temperature increase as you relax.

LONG TERM GOALS

  • To consistently raise your temperature to 95°F (35°C) or higher; to hold that temperature throughout your training session.
  • To develop the ability to recognize subtle changes in your hand temperature throughout the day, without the aid of the Stress Thermometer.
  • To develop the skill to increase your hand temperature in the middle of stressful situations.

QUICK START

TO INSTALL BATTERY

  • Remove battery door
  • Set battery (+) side up
  • Replace door
TO SET CLOCK
  • Set rear switch to CLOCK position
  • Press HR to set hour
  • Press MIN to set minute
TO READ TIME
  • Press CLOCK BAR to display time
TO READ STRESS LEVEL
  • Set rear switch to TEMP C° or TEMP F°
  • Set mode switch to BODY Stress
  • Hold sensor between fingers, or tape sensor to finger tip
  • Wait 30 seconds for baseline temperature

SPECIFICATIONS

  • Thermistor: Bead Tip, Approx. 8 feet long
  • Range: 58 - 150 °F (≈14 - 65 °C)
  • Accuracy: ± 1.8 °F (± 1 °C)
  • Battery (included): 1.5v Eveready 357, Maxwell LR44 or equivalent
  • Warranty: Limited 30 days parts and labor due to defective workmanship (excluding battery)
  • Dimensions: 2.75" (7 cm) wide, 2" (5 cm) high, 5/8" (1.5 cm) deep
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  • SC911 Stress Thermometer
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