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Kobold

GermanyMeasurement & Detection

Kobold is a manufacturer of precision flow measurement instruments, with a product line centered on variable-area (float-type) and turbine flow meters for industrial liquid and gas applications. The brand is recognized in process instrumentation for its straightforward mechanical designs, which prioritize repeatability and ease of maintenance over complex electronics. Kobold's variable-area meters, such as the LZT series, operate on the principle of a float rising in a tapered tube; the float position corresponds to the flow rate, providing direct visual indication without requiring external power. This mechanical simplicity makes them suitable for continuous duty in demanding environments, including cooling loops, HVAC systems, chemical dosing skids, and utility monitoring networks. The LZT series covers a broad spectrum of flow ranges, from compact low-flow units rated at 2–20 l/h (e.g., LZT-0802M) to mid-range industrial models handling up to 16 m³/h (e.g., LZT-25S16). Intermediate models such as the LZT-0810M (10–100 l/h) and LZT-15S60 (60–600 l/h) fill the gap for process lines requiring moderate throughput. Construction materials and pressure ratings vary by model, but typical configurations are rated for working pressures up to 16 bar, with nominal pipe connections ranging from 10 mm to 25 mm. Some models, like the LZT-25S16, incorporate rod guiding to stabilize the float, improving readability and accuracy in vertical or horizontal mounting orientations. For applications requiring flow regulation, Kobold offers variants with integrated needle valves, such as the LZT-0810M-V, which combine measurement and manual flow control in a single compact body. These valve-equipped versions are particularly useful in low-flow dosing and purge lines where precise adjustment is needed. Kobold also supplies turbine flow meters for liquid measurement, which use a rotating rotor to generate a frequency proportional to flow rate; these are available with mechanical or electronic signal output, depending on the model. The product range is designed for compatibility with water, oils, and other process liquids, with specific models validated for water service (e.g., LZT-0801M and LZT-0802M). While the LZT series is the most prominent in the catalog, Kobold's broader portfolio includes flow switches, level indicators, and pressure instruments, though the focus remains on flow measurement. 3G Electric distributes Kobold flow meters globally, maintaining inventory of the LZT series and related models. For procurement and engineering teams, 3G Electric provides technical datasheets, application guidance, and sizing support to ensure the selected meter matches the required flow range, connection size, and material compatibility. Lead times are managed centrally, and bulk orders can be accommodated. Kobold's instruments are specified in industries such as water treatment, HVAC, chemical processing, and general manufacturing, where reliable flow indication is critical for process control and energy efficiency. The absence of moving electrical components in variable-area meters reduces failure points, making them a practical choice for remote or harsh installations. For applications requiring electronic output, turbine meters offer pulse or analog signals for integration with PLCs and SCADA systems. Kobold's design philosophy emphasizes functional durability, with wetted parts selected for corrosion resistance and long service life. Calibration is performed at the factory, and replacement parts such as floats and tubes are available for field maintenance. When selecting a Kobold flow meter, key specifications to verify include the measuring range, maximum working pressure, fluid temperature limits, and connection thread size. The LZT series typically uses G1/4, G1/2, or G3/4 threads, depending on the model. For applications with pulsating flow or vibration, rod-guided models are recommended to maintain float stability. Kobold meters are not suitable for fluids with high particulate content unless a strainer is installed upstream. 3G Electric can assist with filter selection and installation guidance. Overall, Kobold provides a dependable, cost-effective solution for flow measurement in industrial processes, backed by a global distribution network that ensures availability and technical support.

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About Kobold

Kobold is a manufacturer of precision flow measurement instruments, with a product line centered on variable-area (float-type) and turbine flow meters for industrial liquid and gas applications. The brand is recognized in process instrumentation for its straightforward mechanical designs, which prioritize repeatability and ease of maintenance over complex electronics. Kobold's variable-area meters, such as the LZT series, operate on the principle of a float rising in a tapered tube; the float position corresponds to the flow rate, providing direct visual indication without requiring external power. This mechanical simplicity makes them suitable for continuous duty in demanding environments, including cooling loops, HVAC systems, chemical dosing skids, and utility monitoring networks. The LZT series covers a broad spectrum of flow ranges, from compact low-flow units rated at 2–20 l/h (e.g., LZT-0802M) to mid-range industrial models handling up to 16 m³/h (e.g., LZT-25S16). Intermediate models such as the LZT-0810M (10–100 l/h) and LZT-15S60 (60–600 l/h) fill the gap for process lines requiring moderate throughput. Construction materials and pressure ratings vary by model, but typical configurations are rated for working pressures up to 16 bar, with nominal pipe connections ranging from 10 mm to 25 mm. Some models, like the LZT-25S16, incorporate rod guiding to stabilize the float, improving readability and accuracy in vertical or horizontal mounting orientations. For applications requiring flow regulation, Kobold offers variants with integrated needle valves, such as the LZT-0810M-V, which combine measurement and manual flow control in a single compact body. These valve-equipped versions are particularly useful in low-flow dosing and purge lines where precise adjustment is needed. Kobold also supplies turbine flow meters for liquid measurement, which use a rotating rotor to generate a frequency proportional to flow rate; these are available with mechanical or electronic signal output, depending on the model. The product range is designed for compatibility with water, oils, and other process liquids, with specific models validated for water service (e.g., LZT-0801M and LZT-0802M). While the LZT series is the most prominent in the catalog, Kobold's broader portfolio includes flow switches, level indicators, and pressure instruments, though the focus remains on flow measurement. 3G Electric distributes Kobold flow meters globally, maintaining inventory of the LZT series and related models. For procurement and engineering teams, 3G Electric provides technical datasheets, application guidance, and sizing support to ensure the selected meter matches the required flow range, connection size, and material compatibility. Lead times are managed centrally, and bulk orders can be accommodated. Kobold's instruments are specified in industries such as water treatment, HVAC, chemical processing, and general manufacturing, where reliable flow indication is critical for process control and energy efficiency. The absence of moving electrical components in variable-area meters reduces failure points, making them a practical choice for remote or harsh installations. For applications requiring electronic output, turbine meters offer pulse or analog signals for integration with PLCs and SCADA systems. Kobold's design philosophy emphasizes functional durability, with wetted parts selected for corrosion resistance and long service life. Calibration is performed at the factory, and replacement parts such as floats and tubes are available for field maintenance. When selecting a Kobold flow meter, key specifications to verify include the measuring range, maximum working pressure, fluid temperature limits, and connection thread size. The LZT series typically uses G1/4, G1/2, or G3/4 threads, depending on the model. For applications with pulsating flow or vibration, rod-guided models are recommended to maintain float stability. Kobold meters are not suitable for fluids with high particulate content unless a strainer is installed upstream. 3G Electric can assist with filter selection and installation guidance. Overall, Kobold provides a dependable, cost-effective solution for flow measurement in industrial processes, backed by a global distribution network that ensures availability and technical support.

Common Applications

  • Cooling water monitoring in industrial chillers — Kobold LZT-0810M flow meter for low-flow verification
  • HVAC chilled water loop balancing — Kobold LZT-25S16 rod-guided flow meter for high-capacity lines
  • Chemical dosing skids for water treatment — Kobold LZT-0802M with integrated valve for precise flow control
  • Utility monitoring in manufacturing plants — Kobold LZT-15S60 flow meter for mid-range process lines
  • Purge gas flow indication in analytical instruments — Kobold LZT-0801M with SCFH scale for gas service
  • Lubrication oil flow verification in rotating equipment — Kobold LZT-0810M-V for adjustable low-flow rates
Origin: Manufactured in Germany

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Frequently asked questions

Common questions about Kobold from 3G Electric.

What is the measuring range of the Kobold LZT-0810M flow meter?

The Kobold LZT-0810M has a measuring range of 10–100 l/h for liquids. This makes it suitable for low-to-moderate flow applications in industrial processes, such as cooling water lines or chemical dosing. The meter is available in a variant with an integrated valve (LZT-0810M-V), which allows manual flow adjustment while providing direct visual indication. The float-type design requires no external power, and the scale is calibrated for water at typical operating temperatures. For other fluids, density and viscosity corrections may be necessary; consult the technical datasheet for specific calibration factors.

What is the flow range of the Kobold LZT-25S16 and what does 'rod guiding' mean?

The Kobold LZT-25S16 has a flow range of 1.6–16 m³/h, making it suitable for higher-capacity industrial lines such as HVAC chilled water loops or process cooling. 'Rod guiding' refers to a central guide rod that stabilizes the float within the tapered tube, preventing lateral movement and oscillation. This improves measurement accuracy and repeatability, especially in installations with vibration or pulsating flow. The rod-guided design also enhances readability by keeping the float aligned with the scale. This model is typically used in water treatment and utility monitoring applications where reliable flow indication is critical.

Can the Kobold LZT-0801M be used with fluids other than water?

The Kobold LZT-0801M is specifically calibrated for water, as indicated in its specifications. It is available with or without an integrated valve and offers measuring range variants from 2–20 l/h up to 10–100 l/h, as well as equivalent ranges in GPH and SCFH for gas applications. While the meter can technically be used with other liquids, the float position is affected by fluid density and viscosity, so recalibration or a correction factor is required. For non-water fluids, it is advisable to contact 3G Electric for application guidance and to verify compatibility with wetted materials. The meter is not designed for corrosive or high-temperature fluids without proper material selection.

What is the maximum working pressure for Kobold LZT series flow meters?

Typical Kobold LZT series flow meters are rated for working pressures up to 16 bar, though this can vary by model and connection size. For example, the LZT-0810M and LZT-0802M are designed for low-pressure industrial lines, while larger models like the LZT-25S16 may have similar or higher ratings depending on the body material and sealing. Always verify the pressure rating on the specific model's datasheet before installation. Exceeding the rated pressure can damage the float tube or cause leakage. For high-pressure applications, consider using a Kobold turbine meter or consult 3G Electric for alternative options.

What are the available connection sizes for Kobold LZT flow meters?

Kobold LZT flow meters are available with nominal pipe connections ranging from 10 mm to 25 mm, typically using G1/4, G1/2, or G3/4 threaded connections. For instance, the LZT-0802M (2–20 l/h) uses a G1/4 connection, while the LZT-15S60 (60–600 l/h) uses a G1/2 connection. The LZT-25S16 (1.6–16 m³/h) uses a G3/4 connection. These threads are standard for industrial piping and allow direct installation into existing lines. Adapters may be required for other thread standards. Ensure the connection size matches your piping to avoid flow restriction or leakage. 3G Electric can provide connection details for each model.

Does Kobold offer flow meters with integrated valves for flow control?

Yes, several Kobold LZT models are available with an integrated needle valve, such as the LZT-0810M-V and the LZT-0801M with valve option. These models combine flow measurement and manual regulation in a single compact unit, allowing operators to adjust flow rate while observing the float position. This is particularly useful in low-flow applications like chemical dosing, purge lines, or lubrication systems where precise control is needed. The valve is typically located at the inlet or outlet, and the meter body is designed to accommodate the additional component without increasing the overall footprint significantly. This integrated design reduces the need for separate valves and simplifies installation.