1. It is better to sign-up/log-in before you post your question (or reply to an existing thread), instead of posting as a guest.
    This will allow you to easily look up the Q&A sequence anytime, anywhere, with just one mouse click. Learn more...

    You can log in with your Facebook, Twitter, or Google+ accounts, or create a KVMGalore HelpCenter user-name/password.
    Dismiss Notice

Sensor SD2 smoke alarm contact closure

Discussion in 'Environment Monitors' started by John K, Sep 9, 2019.

  1. John K

    John K New member

    I'm wondering if your SD2 Smoke alarm...
    a) A contact-closure type of device
    b) Does it go down to Zero Ohms (or close to zero) when an alarm is triggered
     
  2. Chris R

    Chris R New member

    Hello John,
    Yes the SD2 is a contact closure type device.
    Yes it will go to zero
     

Share This Page