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Capacitive Level Transmitters

Capacitive Transmitters from KOBOLD are designed for high accuracy and non-contact level measurement. The instrument's probe and the wall of the tank forms an electric capacitor. The dielectric of this capacitor when the tanks is empty, is the air. When the liquid reaches the probe, the dielectric constant formed by the unit and tank changes. An electronic circuit converts this capacity change in a variable current and is proportional to the height of the liquid.

KOBOLD's capacitive transmitters are highly versatile and can be used in a wide range of industries, including chemical processing, water treatment, and food and beverage production. They are designed for easy integration into existing control systems, offering real-time monitoring and control capabilities. Below, you will find a list of our capacitive level measurement products, each engineered to deliver exceptional performance and reliability.

NMC
Capacitive Level Transmitter

11" to 157" Probe | up to 435 PSIG | up to 390 °F | 4-20 mA, 2-wire

Starting at $1,281
Probe Length Range
11" to 157"
Max. Pressure
435 PSIG (30 Bar)
Max. Media Temperature
Up to 390 °F (200 °C)
Input Power
18...36 VDC, 24 VAC, 110 VAC, 230 VAC, 50/60 Hz
Output
4-20 mA, 2-wire
    Capacitive Monitoring Principle
    Measurement of Liquid Levels in Tanks
    No Moving Parts
    Four Designs for Various Applications
    Sample Application Media: Water, Water-like Liquids, Liquid Foods, Chemicals, Aggressive Liquids, Pharmaceutical Liquids, and Oils
NRF
Capacitance Level Transmitter

Rigid Probe up to 20' and Flexible Probe up to 200' | up to 500 PSIG | up to 350 °F | NPT or Tri-Clamp Connections | Resistant to Machine Vibration

Starting at $1,420
Fittings
3/4" NPT, 1-1/2" or 2" Tri-Clamp®
Accuracy
± 1% of Span
Repeatability
± 0.1% of Span
Output
4-20 mA
Max. Pressure
500 PSIG
Media Temperature Range
-100...350 °F (175 °C)
Rigid Probe
Up To 20 Feet
Flexible Probe
Up To 200 Feet
Fittings
316 Stainless Steel or PTFE
Probe
Fully PFA Clad or 316 SS
    Rigid and Cable Suspended Designs
    Compact Microprocessor Based Designs
    High Accuracy
    NPT Threaded and Tri-Clamp® Mountings
    Resistant to Machine Vibration
    Sample Applications: Waste Treatment Plants, Refineries, Food and Beverage Industry, Fire Protection Systems, Water Storage Tanks, and Chemical Holding Tanks
NRF-1F
Capacitance Level Probe

up to 10' | up to 100 PSIG | up to 350 °F | 316 SS | 4-20 mA | Water-Based Liquids, Fuel, and Solvents

Starting at $1,380
Fittings
¾", 1½" NPT
Accuracy
± 1% of Span
Repeatability
± 0.1% of Span
Output
4-20 mA
Max. Pressure
100 PSIG @ 77°F / 50 PSIG @ 212°F / 14.5 PSIG @ 350°F
Media Temperature Range
-100...350 °F (175 °C)
Maximum Length
10 Feet
Fittings
316 Stainless Steel
Probe
Fully PFA Clad or 316 SS w/PTFE Spacers
    Heavy Duty Industrial Design
    Measurement of Fuels and Solvents with Bare SS Probe
    Measurement of Water Based Liquids with PTFE-clad Probe
    Compact Microprocessor Based Design
NRF-1W
Flexible Cable Water Well Level Transmitter

Cable Lengths up to 1,000 feet | up to 350 °F | 3/4" NPT | PFA-Clad SS Cable | High Frequency Propagation Resists Errors Due to Coating

Starting at $1,498
Accuracy
± 1% of Span
Repeatability
± 0.1% of Span
Max. Length
1000 Feet (300m)
Standard Fitting
3/4” NPT (316 SS)
Cable
PFA-clad 3/32" Diameter SS Cable
Weight
316 SS
Process Temp. Range
-100...350 °F (175 °C)
Ambient Temp. Range
-40...160 °F (70 °C)
Max. Pressure (SS Fitting)
100 PSIG @ 70 °F, 50 PSIG @ 300 °F, 14 PSIG @ 350 °F
    Flexible Cable Lengths Up to 1000 Feet (300m)
    Accuracy of ± 1% of Span
    High Frequency Propagation Resists Errors Due to Coating
    PFA-clad SS Cable
    Flexible, Segmented ½" Diameter Stainless Steel Cable Weight
    Simple, Non-Interacting Zero and Span Adjustment
    Sample Applications: Deep Well Measurement, Water Storage Tanks, Wastewater Treatment, and Chemical Holding Tanks
NRF-2 - NRF-3
Capacitance Level and Temperature Transducer

Measures Level and Temperature with One Device | up to 12 feet | up to 500 PSIG | up to 392 °F | NPT or Tri-Clamp |

Starting at $1,436
Fittings
3/4" NPT, 1-1/2"...3" Tri-Clamp®
Level Accuracy
± 1% of Span
Level Repeatability
± 0.1% of Span
Output
4-20mA Outputs for Level and Temperature or 4-20mA for Level and Pt-100 for Temperature
Max. Pressure
500 PSIG
Media Temperature Range
-58...392 °F (200 °C)
Maximum Length
12 Feet
Wetted Materials
316 Stainless Steel, PTFE, PFA
Probe
Fully PFA-clad or 316 SS
    Measures Both Level and Temperature with One Device
    Compact Microprocessor Based Designs
    High Accuracy
    NPT Threaded and Tri-Clamp® Mountings
    Heavy Duty Industrial Design
    Sample Applications: Waste Treatment Plants, Refineries, Food and Beverage Industry, Fire Protection Systems, Water Storage Tanks, and Chemical Holding Tanks

Explore Our Product Line

Discover KOBOLD USA's expertise in industrial instrumentation, offering advanced solutions for flow, pressure, level, and temperature measurement. Our products, synonymous with quality and precision, cater to a wide range of industries, backed by expert engineering and exceptional customer support.

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Choosing KOBOLD means opting for a partner who understands your needs and is equipped to help you tackle the challenges of modern industry. We are not just a supplier; we are a partner committed to contributing to your success.

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  • Comprehensive Range Our diverse range of products means we can cater to a wide array of measurement and control needs, making us a one-stop solution for many of our clients.
  • Customer-Centric Approach We pride ourselves on being customer-centric. From consultation to after-sales service, our team is dedicated to providing excellent support, ensuring that your experience with us adds value to your operations.
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