SDI Solo 823 Kit Smoke Detector Test Kit w/Bag, Heat Tester, Battery Charger: Smoke Detector Sensitivity Tester: Amazon.com: Tools & Home Improvement
Be sure to calibrate your #Trutest once per year or after every 5,000 tests. To schedule your calibration, contact SDi's service department... | By SDi Specialized Fire Products | Facebook
System Sensor OSI-R-SS Reflected Type Beam Smoke Detector, 4-Wire, Single-Ended, 8" Reflector and Integral Sensitivity Test, (Replaces BEAM1224)
Heat Detector Testing - Product Support & Information | SDi Fire