SENIS
Develops, manufactures and supplies worldwide advanced sensors and instruments for magnetic field measurements and electric current.
- +41 43 205 26 37
- info@senis.swiss
- Neuhofstrasse 5A
Baar (Zug), 6340
Switzerland
-
Product
Clamp-On Open-Loop DC MicroAmmeter & Insulation Fault Detector
-
The Clamp-On Open-Loop DC MicroAmmeter & Insulation Fault Detector is a precision tool designed for detecting leakage currents in insulation systems. Featuring high sensitivity, this advanced microammeter measures direct currents as low as 1 microampere (uA) and operates within a measurement range of 10 milliampere (mA) to 10 amperes (A). Utilizing a clamp-on method with a toroidal ferro-magnetic core featuring an air gap, the device integrates AMR sensors from a differential Hall magnetometer for accurate readings. Its design is particularly suitable for large hydro generator stator windings but is also effective in various electrical applications.The device's functionality is significantly enhanced by its use of two micro-ammeters equipped with advanced signal conditioning units and a demagnetization circuit, ensuring precise data acquisition. The accompanying LabVIEW software facilitates real-time monitoring and visualization of data, allowing operators to effectively track leakage currents and identify faults within insulation systems. The dual clamp-on setup enables simultaneous measurements, providing immediate insight into potential defects without the need for cutting conductors or removing insulation, thus ensuring operator safety and system integrity.
-
Product
Magnetic Transducer With Detachable Fully Integrated 1-/ 2-/ 3-Axis Hall Probe
F3A
-
The F3A Magnetic Transducer represents a cutting-edge solution for precise magnetic field measurement, incorporating detachable Hall probes that are fully integrated and offer versatile measurement capabilities across 1, 2, or 3 axes. Designed by SENIS, this transducer excels in high spatial resolution and significant frequency bandwidth, making it ideal for applications that require extreme measurement accuracy and reliability. Its Hall probe features a structure that allows for minimal noise and high disturbance immunity, which positions it well for environments where electromagnetic interference may be present.The integrated CMOS technology ensures an orthogonality error between the three measurement axes of less than 1°, determined with an accuracy of better than 0.1°. These specifications are critical for applications in magnet system development, permanent magnet characterization, and quality control in both laboratory and industrial settings. Additionally, the Hall probes support a range of operating conditions with temperature compensation, making them versatile for various scientific and engineering needs.
-
Product
Output Signal Cable
CO20-x
-
The Output Signal Cable CO20-x is a specialized accessory designed specifically for the F3B analog magnetic field transducers. This product enhances the performance and versatility of the transducers, which have been improved and developed to work seamlessly since January 2023. The CO20-x cable facilitates reliable signal transmissions, critical for accurate measurements in various applications.This cable features a robust design with a shield that is connected to the metal case of the connector, ensuring minimal interference. The end wires of the signal cable are intentionally left unterminated and are thinned to approximately 3 - 4 mm, allowing for customization. Users can easily terminate the ends with standard banana plugs as needed. Furthermore, the cable boasts an M12-8L-S-X, 8-pin male connector, which promotes compatibility and efficiency in signal transmission. The detailed specifications and design considerations articulated make this cable a vital component in ensuring the optimal functionality of the F3B transducers.
-
Product
3-Axis Hall Probe H
-
The 3-axis Hall Probe H is a cutting-edge solution designed for precise magnetic field measurements across various applications. With its thin (0.75 mm) and fully integrated design, this Hall probe offers an exceptional level of spatial resolution and is engineered for high-performance tasks that require real-time data on magnetic flux density. It provides simultaneous analogue voltage outputs for all three magnetic field components (Bx, By, and Bz) as well as the probe's temperature, making it ideal for advanced applications in research and industrial sectors.Available in three different lengths—71 mm for the long variant (HL), 47 mm for the medium variant (HM), and 8 mm for the small variant (HS)—the Hall Probe H caters to diverse measurement scenarios. Its compact design is achieved through the incorporation of a CMOS integrated circuit that integrates Hall elements, biasing circuits, amplifiers, and a temperature sensor in a single chip. This integration results in high angular accuracy, with mutual orthogonality between the three measurement axes maintained to within ±1°, achieved through enhanced calibration techniques. Whether you need high frequency bandwidths up to 25 kHz or temperature compensation capabilities, the Hall Probe H meets stringent technical requirements while ensuring durability through its alumina-ceramic packaging.
-
Product
Digital Transducer
3MH2
-
The 3MH2 Digital Transducer is a state-of-the-art measurement instrument designed for high-precision applications requiring rigorous measurement standards. Currently under final development and expected to be available for order by Q1 2027, this transducer is capable of measuring three components simultaneously, calculating the total field amplitude and direction with extraordinary accuracy. With a measurement DC accuracy of less than 0.1% (1,000 ppm) and exceptional stability in digital readings, it stands out in demanding environments. Its compact design incorporates a 3D Hall Integrated Circuit in the C Probe Type, allowing for a remarkable spatial resolution of only 0.10 x 0.01 x 0.10 mm³, ensuring detailed data collection with minimal disturbance to the measured field.Equipped with features that enhance operational flexibility, the 3MH2 boasts magnetic DC resolution better than 1 ppm at the ±2T range, and offers up to four selectable magnetic field ranges: 100 mT, 500 mT, 2T, and 20T, calibrated up to 9T. The device excels in a variety of applications, from mapping magnetic fields and characterizing undulator systems to current sensing in laboratory and production line settings. Connectivity is made simple with USB2.0 and LAN support, complemented by a 24-bit A/D converter, allowing for sophisticated data acquisition and triggering capabilities, including internal and external triggers for single shot, manual, and continuous operations.
-
Product
Digital Teslameter
3MH4
-
The 3MH4 Digital Teslameter redefines precision in magnetic field measurement, allowing users to measure three magnetic components while also calculating the total field amplitude and direction at a remarkably close distance of just 0.5mm from the probe's end. With an absolute accuracy exceeding expectations at below 0.1% (1,000 ppm), this instrument excels in ensuring stable and reliable digital readings. Notably, its spatial resolution of 0.10 x 0.01 x 0.10 mm³ empowers users to explore magnetic fields in detail, making it ideal for applications requiring high precision, such as characterizing undulator systems and conducting quality control in various manufacturing environments.Moreover, the device is equipped with an industry-leading detachable Hall probe that simplifies probe interchangeability without compromising measurement accuracy. It features exceptional temperature stability of better than ±0.01 %/°C, ensuring consistent performance across a range of conditions. The 3MH4 supports up to four selectable magnetic field ranges (±0.1 T to ±20 T) and provides connectivity options via USB2.0 and LAN, enhancing its versatility for diverse applications in laboratories and production lines.
-
Product
Handheld Teslameter
3MH1-E
-
Introducing the SENIS 3MH1-E Handheld Teslameter, a state-of-the-art device designed for precise measurement of magnetic fields across three axes. This handheld unit features an intuitive touch screen that provides real-time readings of the magnetic field components Bx, By, Bz and the total magnetic field B. Users benefit from isotropic measurements that are independent of probe orientation, thanks to its robust design and advanced Hall probe technology. With measurement ranges spanning from 5mT to a remarkable 4T, this teslameter is equipped to handle both low environmental magnetic fields and high magnetic field scenarios without compromising accuracy or resolution.Powered by an internal rechargeable battery, the SENIS 3MH1-E eliminates the need for an external power source, making it a portable solution for various applications. The device allows for data logging with the ability to download records in CSV format, aiding in analysis and reporting. Users can easily change the unit of measurement, gain, and averaging time using the intuitive software. The included dedicated cable enhances accessibility, ensuring that readings can be taken in challenging environments, while the probe holder and the probe are entirely non-magnetic, allowing for uncompromised precision during measurements.
-
Product
NanoVolt Amplifier
NVM-01
-
The NanoVolt Amplifier NVM-01 is a remarkable ultra-low noise amplifier module designed specifically for high-resolution measurements of magnetic flux distribution in ion and electron beam magnets. Its advanced capabilities enable sensitive DC and low-frequency AC voltage measurement systems, making it an ideal choice for applications that require precise voltage measurements down to nanovolt levels. The NVM-01 offers a Voltage Gain that can be finely tuned from approximately 30k to 800k, allowing it to handle input signals ranging from ±250µV down to ±10µV. Users can also select between frequency responses of DC to 10Hz or DC to 40Hz, catering to specialized measurement environments. With an equivalent input noise of less than 4nVrms from 0.1Hz to 10Hz, the NVM-01 ensures top-notch integrity in data acquisition systems.This amplifier is perfect for various applications including vibrating wire and rotating coil magnetometry, making it an essential tool in laboratory settings as well as in production lines. The NVM-01 has been engineered for exceptional linearity and low noise performance, which allows it to accurately measure signals from low impedance sources. Features like offset cancellation and an intuitive gain selector knob further highlight its user-friendly design. Overall, the NanoVolt Amplifier NVM-01 is a sophisticated device, indispensable for researchers and engineers looking for precision in magnetic field measurements and other sensitive voltage applications.
-
Product
Helmholtz Coils
HH-HIGH
-
The SENIS Model HH-HIGH Helmholtz Coils represent a cutting-edge solution for generating a high uniformity magnetic field across a substantial volume. Specifically designed with a single axis coil pair in a Helmholtz geometry, this model excels in applications where precise magnetic conditions are crucial. With a remarkable operating range of up to 50 mT rms, this air-cooled system demonstrates exceptional performance and reliability for materials measurement, sensor testing, and electronic sensitivity assessments.In addition to its capabilities, the HH-HIGH boasts a myriad of technical advantages. The inner diameter measures an impressive 105.5 mm, ensuring that the coils maintain their efficiency while accommodating various experimental setups. Weighing in at just 19.1 kg, the compact design allows for easy integration into existing test equipment or experimental arrangements. Moreover, significant safety features have been integrated, including a maximum supply voltage rating of 60V, which harmonizes with the maximum permissible touch voltage, thereby assuring user safety during operation.
-
Product
3-Axis Hall Probe C
-
The 3-axis Hall Probe C is designed for high-performance measurements with an exceptionally wide temperature operating range of -40°C to +155°C. This miniature probe utilizes advanced CMOS technology to achieve remarkable spatial resolution and high angular accuracy. Measuring dimensions of 8.0mm in length, 4.0mm in width, and a thickness of 0.9mm, the Hall Probe C can deliver precise magnetic field readings across its three axes (Bx, By, Bz) simultaneously. The sensitivity of the probe is exceptional, featuring an MFSV (Magnetic Field Sensitive Volume) with Bx and Bz measuring 0.15 x 0.01 x 0.15 mm³ and By measuring 0.03 x 0.005 x 0.03 mm³, providing high fidelity in measurement even in challenging conditions.Constructed from robust alumina-ceramics (Al₂O₃), the probe is not only compact but also durable against environmental stressors. Its integrated temperature sensor enhances measurement reliability. High signal output and a wide bandwidth of DC - 25 kHz ensure immunity to electromagnetic disturbances, making this probe ideal for high precision applications in various industrial settings. The Hall Probe C is versatile, available in configurations suitable for one, two, or three-axis measurements, catering to diverse operational needs.
-
Product
Hall Probe S
-
The Hall Probe S for H3A Magnetic Transducers is an advanced hybrid device designed for high precision in magnetic field measurements across 1-, 2-, or 3-axis configurations. This exceptionally robust Hall probe integrates high-resolution Hall sensors arranged along the axes, ensuring accurate readings with an orthogonality error of less than 2°. With dimensions measuring 10 x 10 x 1.4 mm, this probe is built to withstand mechanical and electrical stresses, being securely mounted on a reference ceramic plate that guarantees stability during operation. The inclusion of a temperature sensor enables temperature compensation, further enhancing measurement accuracy. Its high-level analog voltage outputs correspond symbiotically to the variations in the magnetic flux density and temperature, making the Hall Probe S a versatile tool suitable for intricate scientific and industrial applications. The low noise and offset fluctuation properties of this sensor facilitate ultra-high resolution measurements, ensuring fidelity in field readings. This device is integral to the H3A Magnetic Field Transducer and Digital Teslameter modules, highlighting its critical role in advanced magnetic field surveying.
-
Product
Helmholtz Coils
HHROT-1
-
The SENIS Model HHROT-1 Helmholtz Coils is designed to produce a large, uniform magnetic field for various applications, including materials measurement and sensor calibration. This single-axis coil pair, configured in Helmholtz geometry, ensures high field uniformity, critical for experiments requiring stable magnetic environments. With an inner diameter of 176 mm and a remarkable operating range of 1mT to 20mT rms, the HHROT-1 is capable of precise measurements and testing of magnetic sensors in diverse orientations. It weighs 32 kg, allowing easy integration into experimental setups such as laboratories and testing facilities. Additionally, the HHROT-1 features a unique mechanism of three orthogonal gimbals that enables the rotation of a magnetic sensor within the uniform magnetic field. This design allows the sensor to rotate in all three angles—tilt, roll, and pitch—independently, thereby enhancing the versatility of measurement techniques. The coils are air-cooled and can be mounted in various orientations. With non-linearity errors lower than $4\cdot10^{-5}$, it promises unparalleled accuracy for demanding applications.
-
Product
Magnetic Transducers With Hybrid 1-/ 2-/ 3-Axis Hall Probe Sensors
H3B
-
The **H3B Magnetic Transducer** is an advanced Low Noise SENIS device designed for measuring magnetic fields through its hybrid three-axis Hall Probe. With a remarkable capacity for ultra-low noise, it effectively minimizes offset fluctuations, ensuring precision in magnetic field measurements. This robust transducer is tailored for applications that demand high accuracy and stability, integrating three high-resolution Hall sensors with an orthogonality error of less than 2°. Additionally, a built-in temperature sensor provides real-time temperature compensation, enhancing measurement reliability across various conditions.Beyond its noise reduction capabilities, the H3B transducer delivers a comprehensive output of three differential voltages corresponding to the magnetic flux density components (Bx, By, Bz) and a ground-referred voltage signaling the Hall sensor's local temperature. The system's innovative spinning-current technique significantly reduces low-frequency noise while maintaining excellent linearity, making it a valuable instrument for mapping magnetic fields, characterizing undulator systems, and performing quality control in laboratory and industrial settings.
-
Product
Zero Gauss Chamber
ZG12
-
The Zero Gauss Chamber ZG12 is an essential tool for accurately cancelling offset magnetic fields in various applications. Designed specifically to shield the probe sensing area from external magnetic influences, this chamber ensures that the measurements taken are both accurate and reliable. It is highly recommended to order the ZG12 alongside SENIS Hall probes to guarantee optimal performance and functionality when measuring magnetic fields.Featuring precise dimensions with an external diameter of 26 mm and an internal diameter of 21 mm, the ZG12 chamber is crafted to meet stringent tolerance standards. With a length of 200 mm, this chamber is designed for easy integration and use in diverse experimental setups. The Zero Gauss Chamber not only provides a controlled environment but also minimizes the risk of mechanical damage that could lead to residual magnetic fields, making it a critical component in the field of magnetics research and applications.
-
Product
Multi-Probe Magnetic Transducer
-
The Multi-Probe Magnetic Transducer (MPMFT) is an advanced multichannel measurement device designed for precise magnetic flux density-to-analogue voltage conversion. Tailored specifically for the F3B and F1A Hall probe types, this transducer system accommodates up to 10 individual transducers simultaneously. Equipped with up to six SENIS F1A Single-Axis Hall probes, this system excels in multi-point monitoring of complex electromagnetic systems, providing a high-accuracy, temperature compensated output signal for the Y component of the measured magnetic flux density. Whether it’s for quality control in the development of magnet systems, or for laboratory applications, the MPMFT guarantees superb reliability and precision.
