HST Videos

HST Heat Detector Tester
With standard heating

Rate Compensation Verification
Testing Fenwal Detect A Fire Rate Compensated Heat Detectors
Testing probe type fire alarm heat detectors

HST Heat Detector Tester Assembly

Identification of Fenwal DAF, Fenwal 17343, and Thermotech 302 probe type heat detectors

HST Heat Detector Tester Using with Inspection Poles

HST Heat Detector Tester testing a Pastor model TM-1S heat detector

HST Heat Detector Tester testing a WING Corp IC/J 105 degree heat detector