Flow Measurement & Control

Kobold’s calorimetric flow meter

January 2021 Flow Measurement & Control

Instrotech has introduced Kobold’s KAL-D flow meters with an integrated microcontroller that allows users to adapt the device to individual process conditions. Its intelligent compensation function ensures stable switching points, even during significant temperature fluctuations.

The electronic flow monitor model KAL-D works according to the calorimetric principle, continuously monitoring water-based liquids. The sensor tip is heated to a few degrees above the temperature of the flowing medium. When the medium flows, heat generated in the probe is dissipated by the medium. In other words, the probe is cooled down. This cooling sequence precisely measures the flow velocity.

The sensor signal is compared with reference data stored in a microcontroller. An alarm signal is generated when the desired flow velocity is reached. Simple calibration and optimal temperature compensation is achieved with a microcontroller.

The KAL-D finds service in all applications where flow currents, with minimum pressure loss, need to be accurately monitored. The one-part design of the measuring probe also considerably reduces dirt sensitivity. Other features include:

• Switching range: 0,04-2 m/s (liquids); 1-20 m/s (air).

• Connections: G ¼, G ½, NPT, M12 x 1.

• Material: stainless steel.

• Maximum pressure: 100 bar (process pressure).

• Maximum temperature: 120°C (process temperature).

• Repeatability: 2%.

• Wide range of process connections; easy to customise, commission and install.

• No moving parts.


Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

Battery powered digital temperature gauges
March 2021, Instrotech , Temperature Measurement
hese gauges offer a wide range of industrial and analytical possibilities for applications where high accuracy and clear indication are required.

Pressure sensors for complete systems
March 2021, Instrotech , Pressure Measurement & Control
There are often great benefits to optimising pressure sensors specifically for use and integration into higher-level complete systems.

Exact determination of fuel consumption
April 2021, Instrotech , Flow Measurement & Control
The Kobold DOE, an oval gear flowmeter, can be used with a wide range of media and chemicals

Inductive flowmeter with IO-Link
February 2021, Instrotech , Flow Measurement & Control
Instrotech is pleased to announce a new product development in Kobold’s magnetic inductive flowmeter range, featuring IO-Link.

Proline t-mass F/I 300/500 from Endress+Hauser
February 2021, Endress+Hauser South Africa , Flow Measurement & Control
The reliable and versatile all-rounder for pure gases and gas mixtures features alarm functions as well as bidirectional measurement and reverse flow detection.

Optimum flow restriction at low cost
January 2021, Instrotech , Flow Measurement & Control
Kobold REG flow restrictors are ideally suited for the simple restriction to a pre-set throughput value of water, or liquids similar to water.

Flowmeter for utility applications
November 2020, KROHNE , Flow Measurement & Control
As an addition to the Optiswirl family, KROHNE has introduced the Optiswirl 2100, a new vortex flowmeter aimed at basic utility applications.

Membrane level monitor
October 2020, Instrotech , Level Measurement & Control
Kobold’s NMF membrane level monitors are an excellent choice for cost-effective level monitoring of bulk goods in storage vessels.

Safe operation of CNG stations
October 2020, SICK Automation Southern Africa , Flow Measurement & Control
The Flowsic500 compact ultrasonic gas meter enables extremely accurate natural gas distribution measurement.

Ultrasonic flowmeter for wide ranges
September 2020, Instrotech , Flow Measurement & Control
Bi-directionally transmitted ultrasonic waves provide precise results of volume flow as the result of their transit time difference. Installed in any position, the units can measure ranges of 1:250.