Rapid Pressure Rise Relays on Qualitrol Co.

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	Rapid Pressure Rise Relays
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		Qualitrol 900/910 Rapid Pressure Rise Relays (2) Protection and detection of dangerous sudden pressure changes 100% factory calibrated and tested to ensure performance Multiple mounting and calibration options for gas or oil applications From the original creator of mechanical rapid pressure rise relays Patented mechanical device for detection of sudden pressure events based on the rate of pressure rise and safe limits established by transformer manufacturers. When a dangerous pressure rise has been detected, the QUALITROL rapid pressure rise relay (RPRR) will change state. This can be used as an alarm or trip signal to minimize the potential of transformer tank damage. Application: For transformer and other electrical apparatus protection. Can be ...




		Qualitrol 930 Electronic Pressure Monitor Detection and protection of dangerous pressure conditions Eliminate nuisance operations with adjustable sensitivity and multi-sensor logic Monitor pressure remotely with SCADA outputs Easy to install with retrofit mounting plates and options for many applications Multi-function, electronic pressure monitor with adjustable pressure sensitive sensors that provide rapid pressure rise detection combined with seal-in relay functionality and static pressure monitoring and control. Features: Continuous outputs for integration with SCADA systems and remote monitoring. Optional multi-sensor models provide logic based operation to eliminate nuisance trip alarm potential. Application: For advanced ...

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