Cecomp Electronics, APD 1800, Single Alarm Trip, 0-100 Ω to 0-1 Mega Ω Configured Potentiometer Input Range, 85-265 VAC, 60-300 VDC PowerFeatures with all optional accessories:Input sensitivity adjustmentUser adjustable setpoint(s)User adjustable deadband(s)8 Amp SPDT contactsInput LoopTracker LEDAlarm status LEDsAlarm options: LO, HI/HI, LO/LO, band alarmOptional reverse actingOptional latching alarmsPush to test/resetRemote push to test/resetFull I/O/power isolationRemovable plugsDIN rail mount without toolsFactory Set AC Input RangeAlarm Test, Optional Reset ButtonApplications:Position AlarmTank Level AlarmPosition Over or Under AlarmsThe APD 1800 will accept any potentiometer input and provides a visual alarm indication and alarm relay contact outputs. Any potentiometer with a value of 0-100 Ω through 0-1 MΩ may be used without affecting accuracy.Consult factory for offsets and/or input ranges other than 0 to 100% of the potentiometer range.Front-accessible potentiometers are used to adjust alarm setpoint and deadbandLoopTracker and Alarm Status LEDsAPI exclusive features include a LoopTracker LED that varies in intensity with changes in the process input signal.A red/green bi-color alarm status LED visually indicate alarm status. These LEDs provide a quick visual picture of your process at all times.Output Test / UnlatchAPI's exclusive Output Test button can be used to verify the alarm and system operation and also provides the additional function of unlatching the alarm when the latching option has been ordered. This feature can be remotely operated.The output test button greatly aids in saving time during initial startup and/or troubleshooting.