KOBOLD Instruments Inc.Pittsburgh, PA
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 BVO - OEM Flowmeters / Switches

Cost conscious, large volume applications require special products. The KOBOLD BVO line of flowmeters is aimed at customers demanding low cost without sacrificing the robustness and reliability associated with a top-tier flowmeter. The BVO offers all the design ruggedness and quality of the KOBOLD SV line of meters, only at a lower price.
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 SM - High Pressure All-Metal Flowmeter & Switch

The SM series devices can be fitted with set point switches triggering on flow rate. These are mounted externally in a protective housing, and are actuated by a magnet in the float.
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 KSM - All Plastic Flowmeter & Switch for Liquids or Gases

The KSM series plastic flowmeter with switch is an excellent choice for applications with aggressive media. There are no metal parts contacting the fluid. Measuring tubes are Nylon or Polysulfone with other wetted parts made of PVDF, PVC and EPDM.
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 KDV - High Accuracy Glass Tube Rotameter

The KDV series are high quality glass tube variable-area flowmeters (rotameters).
The KDV also is ideal for industrial and sanitary applications. The standard model is available with NPT threaded or flanged connections. Polished finishes and Tri-Clamp fittings for food and pharmaceutical applications are available.
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 KDM - All Metal Variable Area Flowmeters / Switches / Counters

The KDM variable area flow meter is ideal for difficult applications requiring high pressure operation or low pressure loss. Its all metal, armored design is available in stainless steel, PTFE clad stainless steel, or Hastelloy C4. In standard configuration, the KDM is a purely mechanical meter. However, electronic limit switches or an analog flow transmitter may be added if so desired.
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 VKG - Viscosity Compensating Flowmeter & Switch

KOBOLD flowmeter and switches type VKG 6000, VKG 7000, and VKG 8000 fill an important gap in the high viscosity media measurement field. Using KOBOLD’s patented viscosity compensation system, these instruments are insensitive to viscosity and density changes during operation. This development in flow and measurement control technology has resulted in an extremely versatile instrument usable in almost all possible applications.
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 KSR/SVN - Low Volume Flow Switch for Liquids or Gases

Flow switch types KSR and SVN operate on the same principle as a float-type flow indicator. Type SVN utilizes a proximity switch which transmits a signal to an amplifying relay as the switch passes by the float. This causes a signaling, or switching, sequence to be triggered as chosen by the user. Type KSR contains a magnet in its float.

For more information on Gas Flow Meters please: click here.
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 KFR - Acrylic Flowmeter for Liquids or Gases

The KFR line of flowmeters offers the perfect balance between low-cost, accuracy and range availability. Bridging the microflow and large flow ranges, this meter can provide an effective solution to many industrial applications.

For more information on Acrylic Flow Meters please: click here.
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 VKP - Plastic Flowmeter & Switch

KOBOLD’s plastic VKP flowmeters and switches are used wherever inexpensive flow measurement of liquids (eg. domestic services, cooling water, lubrication systems, solar heating, etc.) is to be performed. The VKP series offers a compact design with wetted parts of Polysulfone, PVDF and Stainless Steel. Its low cost and features make the VKP series an ideal choice for OEM applications.

For more information on Variable Area Flow Meters please: click here.
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 KMI - Armored Low Flow Flowmeter / Switch / Transmitter

The KOBOLD series KMI flowmeter is the choice for measuring low flows of liquids or gases in tough environments. The KMI features an all stainless steel measuring tube which is magnetically linked to an indicator in an armored housing.

For more information on Liquid Flow Meters please: click here
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 DPT - Paddle Torsion Flowmeters

The DPT series uses a unique, patented target system to measure the flows of liquids and gases. This design uses a single leaf-spring to both suspend the target and to provide the target resetting force. The use of a single leaf-spring is a simple, reliable design which allows for operation with virtually no wear.

For more information on Paddle Wheel Flow Meters please: click here
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 PME - Magnetic Inductive Flowmeter/Switch

The KOBOLD PME series insertion magnetic inductive flowmeter is the perfect solution for accurately measuring the flow of conductive liquids in pipes. The insertion design allows installation into large pipes much more economically than installation of an in-line magmeter. The PME can be provided with weld sleeves for carbon steel, stainless steel or PVC pipes from 1 to 12 inch diameters.

For more information on Magnetic Flow Meters please: click here
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 OMP - Positive Displacement Flowmeters

The KOBOLD series OMP combines high accuracy, repeatability and low cost with a variety of material combinations allowing it to solve just about any flow metering problem. The OMP series positive displacement flowmeters use an oval gear design to accurately meter the flow of viscous liquids.

For more information on Positive Displacement Flow Meters please: click here
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 DVZ - Vortex Flowmeter and Switch

KOBOLD's compact DVZ Vortex Flow Meter is used for measuring and monitoring flow of low viscosity liquids. The cost-effective DVZ uses the vortex principle, making it virtually maintenance-free. The DVZ's quick response time is perfect for monitoring cooling circuits on robotic welders, plasma cutters, industrial lasers and other critical applications. The DVZ can also be used to measure aggressive and high-purity solutions.

For more information on Vortex Flow Meters please: click here
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 KFF/KFG - Low Volume Turbine Wheel Flowmeters

KOBOLD KFF/KFG Flow Sensors can measure very low flow rates. They are suitable for a wide variety of industrial, commercial and laboratory flow applications involving media transparent to the near-infrared spectrum. The flow sensor uses a Pelton-type turbine wheel and photodiodes to generate an electrical signal linearly proportional to flow rate.

For more information on Turbine Flow Meters please: click here
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 RCD - Differential Pressure Flowmeters

The RCD series differential pressure flowmeter measures flows of liquids and compressed gases using the orifice principle. The orifice, located in the flow body, generates a differential pressure which varies with flowrate. The differential pressure is applied to a measuring bellows.

For more information on Differential Pressure Flow Meters please: click here
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 MAS - Low Volume Thermal Mass Flowmeters

KOBOLD’s MAS Mass Flowmeter measures gas flow rates in ranges from 0-10 sccm to 0-500 slm. Accuracy is ± 1.5% of full scale over a wide temperature and pressure range. Response time is two seconds to within 2% of final flow. The MAS offers outstanding performance and unsurpassed value.

For more information on Thermal Flow Meters please: click here
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 DMI - Magnetic Inductive Flowmeter

The KOBOLD series DMI operates on the magneto-inductive principle. With no protrusions into the pipe, conductive liquids and slurries can be measured with virtually no system pressure loss. The DMI is available with a PEEK or PVDF flow tube and Hastelloy C measuring electrodes are standard.

For more information on Magnetic - Inductive Flow Meters please: click here
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 KDG/KDF - Low Volume Glass Tube Flowmeter

The KDG/KDF micro flowmeters operate on the float principle and are designed to measure low gas and liquid flows. Flow can be set exactly within the measuring range using the integral precision metering valve.
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 KDP - Miniature Armored Flowmeter & Switch

The KDP series armored flowmeter is an ideal choice for measuring and controlling low flows of liquids or gases in industrial applications where a rugged reliable design is required. The standard design has an all stainless steel body rated to 1885 PSIG and 300°F.
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 KDK - Low Volume / All-Metal Flowmeter

The KOBOLD KDK flowmeter functions at pressures up to 1850 PSIG. Its armored design includes an integral needle valve (also good to 1850 PSIG) for control of both liquid and gas flows. The 316 series stainless steel and PTFE/PFA gasket components are compatible with a large variety of process media. Up to two switches are available to provide process control capability.
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 KSK - Plastic Flowmeters and Switches

The KOBOLD KSK plastic flowmeters/ flow switches operate on the basis of the well known variable area principle. The medium flows upward through a conically widening plastic measuring tube. The float is lifted by the flowing medium and indicates the instantaneous flow rate on the scale attached to the flowmeter. The KSK series is all plastic with bodies made of nylon Polysulfone or PVDF to handle aggressive media.
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 SWK - Flowmeters and Switches

KOBOLD flow meters and switches of model SWK operate on the known suspended float principle, however without the use of a conical measuring tube. The SWK series is compact and can be mounted in any orientation. Model SWK flow switches are ideally suited for monitoring low flows in applications where low cost and high reliability are critical.
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 SV - Float Type Flowmeters & Switches

KOBOLD SV flowmeters and switches work on the well known float system, but without the use of the open conical measuring tube. Instead the instruments use a cylindrical control tube with a conical groove along its axis. The upper edge of the float indicates the flow on the measuring glass, which is calibrated in GPM or SCFM.
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 DRH - Rotating Vane Flowmeters

The KOBOLD DRH series paddle flow sensor offers the variety of seven material combinations, allowing the DRH to stand up to virtually any liquid or aggressive chemical. The DRH is a compact flow sensor which employs permanent magnets embedded in a rotating paddle wheel.
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 OVZ - Oval Gear Wheel Flowmeters

KOBOLD OVZ flowmeters offer users the advantages of positive displacement technology at a rotameter price. Suitable for viscous media ranging from hydraulic oils to light gear oils, the OVZ eliminates problems associated with viscosity changes during operation.
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 OME - Screw Spindle Flowmeters

Kobold’s new OME positive displacement flowmeter breaks through the price barrier for meters incorporating helical-gear technology. The OME provides the quiet, non-pulsating, low pressure-loss operation for which helical gears are renowned, at a price comparable to oval-gear technology.
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 DRZ - Piston Flow Meters

The KOBOLD DRZ series rotary piston positive displacement flowmeter combines economy with high performance. The DRZ series is designed to measure any clean liquid with lubricating properties and viscosity ranging from 5 to 100 centistoke.
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 DVK - Calorimetric Flowmeters / Switches and Counters

The DVK series digital flow meter is ideal for measuring low and medium air flows where monitoring flow setpoints is required. The DVK operates on the calorimetric principle.
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 DW - Paddle-Bellows Flowmeters / Switches

KOBOLD model DWU, DWS and DWP flow meters and switches are based on the paddle, or static plate, principle. This type of arrangement is ideal for use in applications where dirt and solid grain contaminant are of concern. The paddle-bellows arrangement offers large internal clearances and mechanical insensitivity to a wide range of particulate matter.
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 EDM - Turbine Wheel Flowmeters for Liquids

The EDM turbine flowmeter measures the flow of water and low viscosity liquids ranging from 0.3 GPM to 300 GPM. Its replaceable lithium battery powers an onboard rate meter/totalizer allowing installation in virtually any location, regardless of power availability.
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