Arjay Engineering Ltd.

- Model 2852-LT - Remote Mount Level Monitor

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Reliable level monitoring of liquids and solids for measurement and control. The unit continuously monitors the liquid or solids level in a tank, stand-pipe or containment. Outputs include analog, digital, and relay control for interface to alarms, valves, pumps and other process monitoring equipment. The 2852-LT sensing probe monitors the capacitance field around the probe. As the product rises in the tank or vessel the probe capacitance increases. This change is used to provide a 4-20 mA proportional output and two setpoint alarm relays. on can be set using any two points along the probe length.

  • No moving parts
  • Remote electronics via standard twisted pair
  • Explosion proof probe is standard
  • Probe is available with Intrinsically Safe option for alternative HazLoc protection
  • High corrosion resistant Teflon and stainless steel wetted parts
  • Capacitance technology responds to all liquid and solids types
  • HF capacitance technology does not require routine cleaning
  • Easy calibration and control set-up
  • Capacitance technology does not foul or require routine cleaning
  • Remote monitor mounts away from the process for operator safety and ease of control wiring

  • 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, discrete relays with differential control (2852-LT only)
  • Analog Output: 4-20mA proportional output, non-isolated
  • 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 2851-LT: Light, buzzer, beacon (2852-LT only) as above: no relays, isolated 4-20mA

  • Probe: -60°C to +260°C
  • PMC: -60°C to +55°C
  • Approval: CSA Div 1, Class 1, Groups C,D ABSA-CRN #0F07450.2
  • 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: 316SS and Teflon

Sensor materials are eligible for NACE MR-0175 Compliance

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