Field Adjustable Fast Pressure Rise And Slow Pressure Settings; User Selectable Contacts For Momentary Or Seal-In Actuation With Front Panel LEDs Status Indicators; Constant Milliamp Output Proportional To Tank Pressure For Remote Indication Or For Use With Scada Systems; 3 Transducer Versions Available With Various Logic Schemes For Greater Flexibility And Reliable Trip Functionality; Detection And Protection Of Dangerous Pressure Conditions; Electronic Pressure Sensors Continuously Output Current Pressure Level With Logic To Detect Dangerous Rapid Pressure And Static (Slow) Pressure Change Events; Local LED Indication And Relay Actuation For Rapid Pressure And Static Pressure Events; Selectable Seal-In Relay Function Keeps The Indicating LEDs Lit And Relays (Contacts) Actuated Until Manually Reset; Eliminate Nuisance Operations With Adjustable Sensitivity And Multi-Sensor Logic; Special Models Feature 2 Of 3 Logic To Trigger A Trip Signal Only If 2 Of The 3 Pressure Sensors Experience A Pressure Event Exceeding Set Points; Adjustable Fast (Rapid) Pressure Rise And Slow Pressure Rise Set Points For Custom Operation For Your Particular Acceptable Risk Level; Momentary Or Seal-In Actuation Of Control And Alarm Signals Can Be Selected; Sensors Feature Individual Set Points To For Control Schemes To Provide Alarms Prior To Trip Signals Should A Pressure Event Occur (To Alert Personnel Of Nonstandard Conditions Without Tripping The Unit); Monitor Pressure Remotely With Scada Outputs; Continuous 0-1Ma Or 4-20 Ma Output Signal Is Supplied From Each Channel For Remote Transformer Pressure Indication Or Scada System Integration; Up To 9 Spdt Relays (6 For Fast Pressure Rise, 2 For Slow Pressure Rise, 1 For Power Status); Easy To Install With Retrofit Mounting Plates And Options For Many Applications; Pressure Sensors Can Be Mounting Via Flange Mount Adapter For Retrofit To Exiting Installations Of Qualitrol 900/910 Flange Mount Rapid Pressure Rise Relays; Sensors Have 1/4_ Npt Male Fitting For Easy Mounting Or Adapting To Existing Fill Ports; Sensor Are Suitable For Installation In Gas Or Oil Space Of Transformers; Universal Power Supply Accepts Any Input Voltage In The Range Of 85-265 Vac 50/60 Hz Or 110-370 Vdc