TrueCap® RF capacitance sensors offer cost-effective, point-level monitoring with reliability you can count on. Monitor's complete line, which features models MK-2 and MK-2e, provides you with the most affordable solution for your application. Monitor's RF capacitance probes are designed to provide a high level of sensitivity, stability, and durability for powder and bulk solids applications, as well as liquid and slurry applications. Monitor's two-year warranty stands behind every TrueCap® sensor.
  • Extensive Product Line for Bulk Solid Applications
  • Superior Sensitivity of 0.5 pF is Standard
  • Maximum Reliability and Calibration Stability
  • Automatic Material Build-Up Immunity
  • Universal Power Supply Available
  • Twist On/Off Cover
  • Two-year Warranty
  • Liquid and Slurry Applications
  • Provides the highest performance and reliability over the widest range of applications
  • Wide assortment of probe types and options for versatility
  • Suitable for dry solids, wet solids, liquids, viscous liquids, and slurries
  • Hazardous Locations Approval Available
  • Internal bin temperatures up to 450ºF (232ºC) (Split-Architecture)
  • Split-Architecture to remote mount electronics
  • Immunity to product build-up on probe
  • Unaffected by high vibration (Split-Architecture)
  • Tolerant of wide temperature fluctuations without recalibration
  • Quick/Simple recalibration (push-button) to handle varying materials
  • Universal Power Supply
  • Remote calibration option (up to 1000 ft (305 m) from electronics)
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TrueCap® RF Capacitance Point Level Sensors

TrueCap® RF Capacitance Point Level Sensors - Model MK-2

TrueCap® RF Capacitance Point Level Sensors

TrueCap® RF Capacitance Point Level Sensors - Model MK-2

TrueCap® RF Capacitance Point Level Sensors

TrueCap® RF Capacitance Point Level Sensors - Model MK-2

TrueCap® RF Capacitance Point Level Sensors

TrueCap® RF Capacitance Point Level Sensors - Model MK-2

TrueCap® RF Capacitance Point Level Sensors

TrueCap® RF Capacitance Point Level Sensors - Model MK-2
Description N/A TrueCap® RF capacitance sensors offer cost-effective, point-level monitoring with reliability you can count on. Monitor's complete line, which features models MK-2 and MK-2e, provides you with the most affordable solution for your application. Monitor's RF capacitance probes are designed to provide a high level of sensitivity, stability, and durability for powder and bulk solids applications, as well as liquid and slurry applications. Monitor's two-year warranty stands behind every TrueCap® sensor.
  • Extensive Product Line for Bulk Solid Applications
  • Superior Sensitivity of 0.5 pF is Standard
  • Maximum Reliability and Calibration Stability
  • Automatic Material Build-Up Immunity
  • Universal Power Supply Available
  • Twist On/Off Cover
  • Two-year Warranty
  • Liquid and Slurry Applications
  • Provides the highest performance and reliability over the widest range of applications
  • Wide assortment of probe types and options for versatility
  • Suitable for dry solids, wet solids, liquids, viscous liquids, and slurries
  • Hazardous Locations Approval Available
  • Internal bin temperatures up to 450ºF (232ºC) (Split-Architecture)
  • Split-Architecture to remote mount electronics
  • Immunity to product build-up on probe
  • Unaffected by high vibration (Split-Architecture)
  • Tolerant of wide temperature fluctuations without recalibration
  • Quick/Simple recalibration (push-button) to handle varying materials
  • Universal Power Supply
  • Remote calibration option (up to 1000 ft (305 m) from electronics)
Electronics Type1 N/A Standard
Ease of Calibration N/A Best
Calibration Location N/A Best
Varying Temperatures N/A Best
Changing Contents / Characteristics N/A Best
Heavy Materials & Tight Areas N/A Good
Solids N/A Best
Material Coating / Build-Up N/A Best
High Vibration N/A Best
Need for Visual Indication N/A Best
Hazardous Locations N/A Best
High Temperature N/A Good
Large Particles N/A Good
Probe Type N/A Standard - Ryton
Approvals N/A Hazardous Location
Operating Voltage N/A Universal 48-240 VAC, 24-48 VDC
Probe Connection2 N/A 1 1/4 NPT Aluminum N/A 1 1/4" and 3/4" Stainless Steel N/A Pipe ext/Stainless Steel N/A Lagged/Stainless Steel N/A 1 1/2 BSPT Aluminum
Power N/A 48-240 VAC ±10 %
3 VA, 50/60 Hz
24-48 VDC ±10 %, 3 W
Max. Altitude N/A 6562 ft2000 m
Installation Category N/A II
Pollution Degree N/A 4 (Reduced to 2 by enclosure) Suitable for indoor/outdoor use
Ambient Operating Temperature N/A -40 to 150 ºF-40 to 65 ºC
Ambient Internal Bin Temperature N/A To +176°F (+80°C) with Aluminum mount (<104°F (40°C); To +400°F (+204°C) with Stainless Steel mount (<122°F (50°C)
Max. Output Relay N/A DPDT, 5 A at 250 VAC, 30 VDC
Indicators N/A "CAL" green LED illuminates to indicated proper calibraion "DET" yellow LED illuminates when material is sensed "OPR" red LED illuminates to indicate output switching "SEN" bank of four LEDs indicate the sensitivity setting
External Indicators N/A
Sensitivity (Switch Selectable) N/A 0.5 pF18.0 pF2.6 pF8.3 pF
Stability N/A ±0.01 pf per ºF (±0.018 per ºC) at 0.5 pf setting
Time Delay N/A 0.25 to 15 sec single-turn adj. For delay to activate and delay to de-activate
Fail-Safe (Switch Selectable) N/A High or Low
Build-Up Immunity N/A Protected via driven shield to 150 ohm load
Enclosure N/A Cast Aluminum Screw-On Cover, Beige Polyester Powder Coat, NEMA 4X, IP66
Conduit Connections N/A Two (2) 3/4 NPT connections (M20 cable glands provided when 1-1/2 BSPT process connection is specified)
Approvals  N/A CSA US CSA C: Class I Groups C & D, Exp. Proof & Intrinsically Safe
CSA US CSA C: Class II Group E, F & G, Dust Ignition Proof & Intrinsically Safe
  • 1 Features push-button calibration, sensitivity & test functions, and remote calibration.
  • 2 Overall insertion length for pipe extension to be specified by customer. From 22" (559 mm) up to 12 ft (3.6 m) maximum.
    For pipe extension probes with overall length exceeding 6-1 /2ft (2m), the unit must be shipped by truck.
    Lagged length to be specified as 7 to 24 inches (178 to 610 mm).
    1 -1/2" BSPT process connection is available with only the Standard, Food Grade, Stub and Cable Extension probes. Not available with 3/4" SS Combo, Pipe Extension or Lagged units.
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