German KB SCHMIEDETECHNIK sensors, KB SCHMIEDETECHNIK models, KB SCHMIEDETECHNIK prices

KB SCHMIEDETECHNIK pressure sensors for level measurement. Submersible hydrostatic level transmitters (level gauges) operate on the principle that the static pressure of the measured liquid is proportional to its height. They use advanced isolated diffused silicon sensing elements or ceramic capacitive pressure sensors from abroad to convert static pressure into electrical signals. After temperature compensation and linearization, these are converted into standard electrical signals (typically 4 to 20mA/15VDC).

KB SCHMIEDETECHNIK sensor principle

Optical measurement and control systems vary widely based on the different principles of how luminous flux acts on photoelectric elements. Based on the nature of the output from the photoelectric element (optical measurement and control system), they can be divided into two categories: analog photoelectric sensors and pulse (switching) photoelectric sensors. Analog photoelectric sensors convert the measured variable into a continuously changing photocurrent, maintaining a single-valued relationship with the measured variable. Analog photoelectric sensors are classified into three types based on the method of measuring the target object: transmission (absorption) type, diffuse reflection type, and beam interruption (light blocking) type. Transmission type refers to placing the measured object in the optical path, where light energy from a constant source passes through the object, is partially absorbed, and the transmitted light strikes the photoelectric element. Diffuse reflection type refers to light from a constant source striking the measured object and reflecting off its surface onto the photoelectric element. Beam interruption type refers to the measured object blocking part of the luminous flux from the light source, changing the amount of light reaching the photoelectric element; the degree of change depends on the object's position in the optical path.

KB SCHMIEDETECHNIK sensor features

1) Long detection distance: By maintaining a detection distance of over 10m in through-beam configurations, it achieves long-range detection that other methods (magnetic, ultrasonic, etc.) cannot. 2) Few restrictions on detected objects: Since detection relies on light blocking and reflection caused by the object, unlike proximity sensors that limit detection to metals, it can detect almost any object, including glass, plastic, wood, and liquids. 3) Short response time: Light itself is high-speed, and the sensor circuitry consists entirely of electronic components, eliminating mechanical operating times, resulting in very short response times. 4) High resolution: Advanced design techniques focus the emitted light beam into a small spot, or special receiving optical systems are constructed to achieve high resolution. This allows for the detection of tiny objects and high-precision position detection. 5) Non-contact detection: Detection occurs without mechanical contact with the object, preventing damage to both the object and the sensor, enabling long-term use. 6) Color discrimination: The reflectance and absorptance of light formed by the detected object vary depending on the wavelength of the emitted light and the color of the object. This property allows for color detection. 7) Easy adjustment: In types emitting visible light, the beam is visible to the eye, facilitating easy adjustment of the object's position.

KB SCHMIEDETECHNIK sensor applications

Photoelectric sensors using photoelectric elements as sensitive components are diverse and widely used. Based on the nature of the output, they are divided into two categories: (1) Photoelectric instruments that convert the measured variable into a continuously changing photocurrent, used to measure physical quantities such as light intensity, object temperature, translucency, displacement, and surface condition. Examples include lux meters for measuring light intensity, photoelectric pyrometers, photoelectric colorimeters, turbidimeters, photoelectric fire alarms, and automatic inspection devices for checking diameter, length, ovality, and surface roughness of machined parts, all using photoelectric elements as sensitive components. Semiconductor photoelectric elements are widely used not only in civil industry but also hold an important position in military applications. For example, lead sulfide photoresistors can be used to make infrared night vision devices, infrared cameras, and infrared navigation systems; (2) Devices that convert the measured variable into a continuously changing photocurrent. Various photoelectric automatic devices are made using the characteristic of photoelectric elements to output "on" or "off" electrical signals when exposed to light or no light. Photoelectric elements serve as switching photoelectric conversion components. Examples include photoelectric input devices for computers, switching temperature control devices, and digital photoelectric tachometers for speed measurement.

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