• Monitor engine or motor driven pumps and compressors
  • 47 Normally Open (N.O.) or Normally Closed (N.C.) sensor inputs
  • CSA* and Factory Mutual listed
  • Rated for hazardous locations

FW Murphy Production Controls offers support for all our products. If you are unable to find the product that you need, please call us at 918-957-1000.

Stage V: 
Product Overview: 

The LCDT Selectronic Tattletale system is a compact fault annunciator with an electronic alarm/shutdown control system. It’s designed to protect engine-driven or motor-driven compressors and pumps. The annunciator indicates the sensor, and hence the parameter, that causes an alarm or shutdown. In addition, a means is provided for testing the operation of each sensor without initiating an alarm or shutdown. Employing a liquid crystal display, the LCDT system gives a digital reading of the tripped sensor and the lockout timer countdown.

At the heart of the system, the basic annunciator component has two variations: the Model LCDT-NO, which accommodates normally open sensors; and the Model LCDT-NC, which accommodates normally closed sensors. These units are enclosed in an aluminum box having a brush finish. The LCDT system accommodates 47 NO or 45 NC sensor inputs, 15 of which may be locked out during start up by the start/run timer delay.

A separate power supply is provided with the model LCDT instrument. Power may be supplied by CD ignition, a 120 VAC line or by 12- or 24-VDC battery.

Intended for use with all Swichgage® instruments without OS option.

Features include:

  • System alarm or shutdown for up to 47 NO or 47 NC sensors
  • Timed start up override for up to 15 sensors
  • Liquid Crystal Display of tripped sensors and the lockout timer countdown
  • Test timer for shutdown override during sensor test
  • Intrinsically safe annunciator unit: Class I, Division 1, Group D Hazardous Locations
  • Explosion-proof power supply
  • Battery power to maintain electronics while engine is not running
  • Optional three-second time delay allows a fuel valve to close before grounding the ignition