- Model 4100-CAP - Capacitance Monitor

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Continuous capacitance/dielectric monitoring of liquids and solids. This unique system provides complete flexibility for monitoring solids and liquids for concentration, moisture content, blending, and quality control.

The 4100-CAP sensing probe monitors the capacitance field around the probe within a shield, tank or pipe.

As the dielectric characteristics of a fluid or solid change, the resulting capacitance change is monitored and configured into a useable signal for process control and recording. A display is available in user configured engineering units.

Product dielectric changes in your application may not be strictly linear. Arjay has designed a 5-point calibration into the controller to enhance accuracy over an extended measurement range. This instrument is ideal for general monitoring and trending of process conditions.

  • No moving parts
  • Remote electronics via standard twisted pair
  • All set-up, calibration and diagnostics are accessed at the control panel
  • Multi-point calibration curve
  • All control wiring and interface is done at the control panel
  • HF capacitance technology does not require routine cleaning
  • Touch screen interface for easy set-up and user interface
  • Trend display of hour, day or month increments
  • Unique capacitance approach eliminates routine cleaning
  • Control and interface panel mounts safely away from the process
  • Tank or pipe installation

  • Operating Temp.: 0°C to +55°C
  • Resolution: .007% (.07 pF at 1,000 pF)
  • Accuracy: .04% of full scale pF
  • Power Input: 24 vdc or 80-240 vac +/-10%, SP, 50-60 HZ
  • Display: touch screen full colour channel view graphics, % and engineering units of flow trend line selectable hours, days or none
  • Relay Outputs: up to four SPDT, 10 amp @ 240 vac, dry
  • Enclosure: Type 4 metal painted blue / IP 66 optional Type 4X SS or polycarbonate
  • Approvals to: UL / CSA / CE
  • IEC 61010

  • Process Temp.: -60°C to +260°C
  • Ambient Temp.: -60°C to +55°C
  • Pressure: 103 bar/10342 kPA/1500psi at stable temperature
  • Process Connection: available threaded or flanged
  • Explosion Proof: CSA Div 1, Class 1, Groups C,D
  • Intrinsic Safety: Approved Intrinsically Safe when ordered with Approved Barrier in Control Unit
  • CAN/CSA E60079-11:
  • Class I, Groups A,B,C,D;
  • Class II, Groups E,F,G;
  • Class III, Encl.Type 4
  • CRN: ABSA-CRN #OF07450.2
  • Wetted Parts: 316SS and Teflon

Probe materials are eligible for NACE MR-0175 Compliance.

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