Arjay - Model 2852-DPM - Dry Pump Monitor
From Dry Pump Monitors / Presence-Absence Detectors
Pipe monitoring for dry conditions to protect pumps and equipment. Combining the technology of capacitance with unique sensor designs provide non-intrusive monitors for liquid handling systems. The result is a low cost and low maintenance system to determine the presence or absence of product in a pipe or pump. The 2852-DPM sensor monitors a cross sectional area of the pipe and locks in on the capacitance field of the fluid passing through. A change toward a dry condition or a liquid of a different dielectric will upset the capacitive field and initiate an alarm. The sensing plates are embedded into a wafer flange which provides monitoring without any intrusion into the stream flow.
Features & Benefits
- Wafer flange sensor for easy installation
- Adjustable time delay and sensitivity to eliminate nuisance alarms from bubbles
- Remote electronics via standard twisted pair
- Sensor available Intrinsically Safe for Hazardous Locations
- PVC wetted parts for corrosive environments
- Capacitance technology responds to all types of liquids
- Non-intrusive sensor design does not restrict flow
- Capacitance technology responds to any liquid type
- No moving parts
- Remote alarm unit mounts safely away from pipe
- No intrusion into stream flow
Technical Specifications - Control Unit
- Operating Temp.: -20˚C to 55˚C
- Resolution: .007% (.07 pF at 1,000 pF)
- Accuracy: .04% of full scale pF
- Power Input: 12 vdc or 24 vdc or 100-240 vac +/- 10%
- Alarm Relay: 2 x 10 amp@240 vac, SPDT, dry
- Analog Output: 4 mA normal/20 mA alarm
- Communication: Modbus RS-485
- Certified: UL 61010-1, 2nd Edition
- CAN/CSA-22.2 61010-1-4
- IEC/EN 61010-1, 2nd Edition
- IEC 61326-1
- CE Declared
- Enclosure: Type 4/IP 66 painted steel or
- Type 4X/IP 66 polycarbonate or SS
- Optional: Light, buzzer, beacon
Technical Specifications - Sensor
- Operating Temp.: -60˚C to +55˚C
- Intrinsic Safety: CSA Intrinsically Safe when ordered with Approved Barrier in Control Unit
- Div 1, Class I, Groups A,B,C,D;
- Class II, Groups E,F,G;
- Class III, Encl.Type 4
- Wetted Parts: PVC (optional PVDF)
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