The Thermal Sentry provides an indication of transmitter operating efficiency by measuring the temperature difference across the system. It uses two precision sensors to monitor the air temperature at the air intake and exhaust points of the main transmitter cabinet. The temperature differential is displayed on the front panel LED display.
Analog output connections are available for intake, exhaust and differential temperature. These outputs are ideal for monitoring by a remote control system such as the RFC-1/B Remote Facilities Controller. All system adjustments and controls are available on the front and rear panels--it is not necessary to open the chassis for initial setup adjustments.
An alarm can be set to provide a warning when the temperature goes out of range. The alarm status is indicated by a front panel LED indicator, an optional audible alert and a relay closure. The output relay can be used to signal other equipment such as a transmitter remote control that can contact station personnel to alert them of a potential failure.
Thermal efficiency can warn of problems such as clogged air filters, failed cooling blowers and antenna icing before damage occurs to the transmitter.
The standard sensors measure temperature in degrees Fahrenheit. Celcius sensors are available by request and may require a short lead time.
