Just set the critical temperature range in your building by adjusting the high and low limit hands. When the temperature indicating hand contacts either hand, a contact is made sending an sign to the alarm.
The adjustable set hands extend through the bottom of the instrument housing, so you can use your fingertips to adjust the high and low limits....no tools needed.
Temperature Range: 20°F - 110°F
The ThermAlarm III uses hermetically sealed magnetic switches to trigger an alarm condition, eliminating concerns with corrosion and particle contamination of the contacts. This feature is of particular importance in applications where chemical fumes, high humidity and airborne dust and dirt particles are present.
Available in two models:
• Normally Closed
• Normally Open