Products/Services for ContACtless AC Mains Voltage Detectors
-
Electrical Voltage Sensors - (137 companies)Electrical voltage sensors measure AC and/or DC voltage levels. They receive voltage inputs and provide outputs as analog voltage signals, analog current levels, switches, or audible signals. They can also provide frequency and modulated frequency...Voltage TypeElectrical OutputPower Requirements -
Current Sensors - (306 companies)Current sensors measure AC and/or DC current levels. They receive current inputs and provide outputs as analog voltage signals, analog current levels, switches, or audible signals. Current sensors measure AC and/or DC current levels. The sensors... -
AC-DC Adapters - (341 companies)AC-DC adapters accept AC input voltage directly from a wall outlet, and output DC voltage. AC/DC adapters accept AC input voltage directly from a wall outlet, and output DC voltage. The primary configurations are wall-mount, where the adapter unit... -
AC Motors - (1302 companies)...the motor frame. AC Motors vs. DC Motors. The key difference between AC motors and DC motors (besides the power source) is the method of speed control. In DC motors, speed varies based on the voltage applied; this relationship is relatively linear... -
Smoke Detectors - (260 companies)...components are also commonly available. Smoke detectors with an IC form factor are semiconductor devices that are designed for smoke-sensing applications. They do not contain an actual smoke sensor, and may be suitable for AC or DC - but not both... -
Heat Detectors - (104 companies)...that triggers the alarm is 15 F per minute. Specifications. Selecting heat detectors requires an analysis of product specifications. Performance parameters include: operating voltage or alarm current. standby current. sensitivity. weight. size. material...
-
Voltage Testers - (129 companies)Voltage testers check for difference in potential in electrical circuits. Measurement type and measurement range are the most important parameters to consider. There are three main measurement types: AC, DC, and AC / DC. For both alternating current...
-
AC Motor Drives - (798 companies)AC motor drives interface controllers to AC motors. They match the control signals (voltage and power levels) as well as the signal type (analog or digital). They also provide power conversion, amplification, and the sequencing of waveform signals...
-
AC Servomotors - (433 companies)...motor. Construction. There are two distinct types of AC motors based on construction: synchronous and induction. Induction motors are constructed of shortened wire loops on a rotating armature. Voltage is 'induced' in the rotor through electromagnetic...
-
Current Testers and Detectors - (45 companies)...of Current Testers and Detectors. There are three distinct measurement types: alternating current (AC). direct current (DC). both AC and DC. In turn, there are two measurement ranges: AC current range and DC current range. As a rule, the maximum amounts...
Product News
-
STEGO
Measures AC current up to 100 A contactless DATA SHEET. INSTRUCTION MANUAL. SMART SENSOR CURRENT. ESS 076. The ESS 076 Smart Sensor Current measures the AC current of energised cables without contact. Recorded measurement data is output in analogue (4-20 mA signal) or digital (IO-Link) form. Measured and processed data - such as power and energy - is made available to higher-level systems such as machine control systems or edge computers for condition monitoring via the IO-Link interface. Measures AC current up to 100 A contactless... (read more)Browse Current Sensors Datasheets for STEGO -
ROHM Semiconductor GmbH
ROHM’s 40V Window-Type Voltage Detector ROHM 's 40V Window-Type Voltage Detector: Providing High Accuracy and Ultra-Low Consumption. Highly reliable, energy-saving voltage monitoring for automotive and industrial equipment requiring functional safety (read more)Browse IC Voltage Regulators Datasheets for ROHM Semiconductor GmbH -
Acopian Power Supplies
High Voltage AC-DC Modular Regulated High Voltage AC-DC (6-Day Power Supply). Modular Regulated Power Supplies. Output ranges: 0-1,000 volts to 0-30,000 volts. Shipped Within 6 Days. Five Year Warranty. (internal encapsulated multiplier module - One Year). These modular High Voltage supplies may be used as constant voltage or constant current sources. They may be remotely programmed by means of either voltage or resistance, and have provisions for remote monitoring and output inhibiting. All control and monitoring connections... (read more)Browse High Voltage Power Supplies Datasheets for Acopian Power Supplies -
Amp-Line Corp.
Steady AC output voltage independent from the load AC Constant Voltage Sources / Amplifiers. Constant voltage sources and amplifiers provide a steady output voltage independent from the load and input power line with variations. Our customers use our constant sources and amplifiers to generate magnetic fields and test products such as transducers, lighting products, transformers, meters, etc. Our "CV-S " and "CV-A " series constant voltage mode power sources and amplifiers are stable and easy-to-use power sources and amplifiers designed... (read more)Browse Power Amplifiers Datasheets for Amp-Line Corp. -
ABSOPULSE Electronics Ltd.
1kW High input voltage AC-DC power supplies, PFC ABSOPULSE Electronics PFHI 1K-FXW series of high input voltage, wide input range AC-DC switched-mode power supplies with active power factor correction (PFC) are designed for 1kW industrial applications. The PFHI 1K-FXW units employ active power factor correction, which limits input current harmonics to achieve a PFC rating of 0.97 at full load for the entire input range. All power supplies in the series comply with the EN61000-3-2 directive for low input harmonic distortion. Key Specifications... (read more) -
ABSOPULSE Electronics Ltd.
High input voltage DC-AC pure sine wave inverters ABSOPULSE Electronics ' CSH 500-F6 series of heavy-duty, high input voltage DC-AC sine wave inverters deliver 500VA pure sinewave output voltage. They convert 600Vdc industrial input voltage (450V to 800V operating range) to an isolated sine wave output of 115Vac continuous at 60Hz or 400Hz, or 230Vac continuous at 50Hz. Up to 1200Vdc input available on request. The inverters are suitable for operation in industrial automation and control, transportation, power plants and electrical utilities... (read more)Browse DC-AC Inverters Datasheets for ABSOPULSE Electronics Ltd. -
ABSOPULSE Electronics Ltd.
1kW, 3-phase high voltage AC-DC power supply ABSOPULSE Electronics ' HTH 1K-F6W is a 3-phase high voltage AC-DC power supply designed for 1000W industrial applications. The unit operates from a three-phase line input of 400Vac (340-446Vac range) and delivers a 200Vdc single output. Similar power supplies that operate from 380Vac or 480Vac 3-phase sources are also available on request. The HTH 1K-F6W is typically used to power industrial applications such as DC motor control, battery charging, DC bus voltage for distributed systems... (read more)Browse Power Supplies Datasheets for ABSOPULSE Electronics Ltd. -
ABSOPULSE Electronics Ltd.
3-phase 500W high input voltage AC/DC power supply The HTP 300-F3 and HTP 500F-FXW series compact, three-phase, high voltage input AC-DC power supplies deliver up to 300W and 500W output power respectively. The units operate from a 3-phase line input of either 400Vac (360-440Vac range) or 480Vac (430-530Vac range). They deliver a single output voltage of 24V, 48V, 125Vdc or custom. The 3-phase power supplies are suitable for a broad range of heavy-duty applications including factory automation, industrial machinery and equipment. Key... (read more)Browse Switching Power Supplies Datasheets for ABSOPULSE Electronics Ltd. -
ABSOPULSE Electronics Ltd.
High Voltage 3 Phase 5kW AC-DC Power Supplies ABSOPULSE Electronics PFHI5K-3U7 series of high input voltage, wide input range AC-DC power supplies with active power factor correction (PFC) deliver 500W output power. The power supplies operate over a 340-460Vac AC-input range; 400Vac 3-phase (3 wire connection) nominal input. Available outputs include any fixed voltage 300V ... 600Vdc. The PFHI5K-3U7 units are equipped a built-in redundancy diode, which allows for several 5kW power supplies to be configured in parallel to create a 10kW... (read more) -
SECO
Sustainable Ticketing: Contactless Convenience Download the whitepaper "Sustainable parking ticket machines: contactless card payment is a must" and explore the impacts of technology in shaping a sustainable future. The shift from traditional to innovative solutions has become imperative in every sector and parking ticket machines make no exception!. Download for free! (read more)
More Information
Indicates content that may require registration and/or purchase.
-
Comparison of Different Contactless Conductivity Detectors for the Determination of Small Inorganic Ions by Capillary Electrophoresis
cell, which is picked up at the second electrode and transformed back to an AC - voltage by using an operational amplifier. .... The construction of the detector cell and associated electronics is relatively simple and the research groups active .... The increased popularity of con- tactless conductivity detection also led to the development of a first commercial C4 D detector, with others likely to appear on the market in the near future. .... for versatile application, high voltage excitation for high sensitivity or battery power for mains independent oper- ation…
-
Rapid and direct determination of glyphosate, glufosinate, and aminophosphonic acid by online preconcentration CE with contactless conductivity detection
The CE experiments were performed on a PrinCE 500 2-lift system (PrinCE Technologies B.V., VG, The Netherlands) equipped with a contactless conductivity detector system assembled in-house. .... The cell current was converted to a voltage , which was rectified, low pass filtered, and then digitized .... In the selection of BGE, the main consideration is the ionization characteristic of the analytes. .... 2 [8] and for GLUF 2.0 and 9.8 (http://sitem.herts. ac .uk/aeru/iupac/Reports/ 1540.htm…
-
Anion‐exchange capillary electrochromatography with indirect UV and direct contactless conductivity detection
Recently, a capa- citively-coupled contactless conductivity detector (C4 D). .... conductivity detection and also circumvents the major problem of interference of the separation voltage with the detection .... The electronics for the detector consisted of two main circuits, both of which operated at 15 V … variable from zero to 25 V peak to peak, and a two-stage AC amplifier and a…
-
Capillary and microchip electrophoresis of basic drugs with contactless conductivity detection
Its main advantages over HPLC are low reagent consumption, rapid method development, and simplicity of use. .... Relatively recently a contactless , capacitively coupled configuration for conductivity detection in capillary and microchip electrophoresis has been .... Tanyanyiwa and Hauser [14, 15] demonstrated that the signal-to-noise ratio is improved by using elevated ac - voltages of several hundred volt for cell excitation. .... can only be measured using indirect techniques when employing commercial instruments equipped with the usual absorption detector .
-
Semiconductor Research
Fig. 4.6 Capacitor used for contactless electroreflectance measurements. .... The limit for the applied voltage is the electric breakdown in this air gap. .... Typical amplitudes and frequencies of AC square-like voltage used to measure CER spectra are usually in .... The main difference between the two measurements approached lies in the detection of R and R signal. .... detect the change in the reflectance (i.e., R/ by using a multichannel detector (i.e., a…
-
ELECTRONICS AND ELECTRICAL ENGINEERING
UPS aid to relaxing the switching transition, i.e. reduced voltage swings should be extended in the .... This is basically none con- tactless devices. .... AC circuits and guided galvanic connec- tion is not separated opt coupler, which allows safe and easy … perform switch- ing of the "zero point" on the grounds of an integrated ze- ro-crossing detector . .... System at the start of all receivers’ commutated pow- er to the main source is supplier of…
-
Determination of tobramycin in human serum by capillary electrophoresis with contactless conductivity detection
The new detector is based on two external tubular elec- trodes placed side by side outside the .... The two electrodes serve to capacitively couple an excitation voltage into the solution inside the capillary and … just the solution adjacent to the surface of an electrode and in the contactless approach the elec .... The detection limits achieved are generally comparable to UV-detection, but the main advantage of contactless conductivity … feedback resistor of 2.2 MO was utilized to convert the cell current to an AC voltage.
-
Characterisation and identification of proteinaceous binding media (animal glues) from their amino acid profile by capillary zone electrophoresis
E-mail: Ernst.Kenndler@univie. ac .at. .... Abbreviations: RPA, relative peak area; CCD, contactless con- ductivity detection; OH-Pro, hydroxyproline. .... been the topic of many papers, whereby the main goals were directed to enantiomeric separations, or to .... As the analytes are detected with a contact- less conductivity detector (CCD), no derivatisation is needed. .... A separation voltage of +20 kV and hydrodynamic injection at 90 mbar s were used in all…
-
Contactless conductivity detection of selected organic ions in on‐chip electrophoresis
The main benefits of conductometric detection in capillary electro- phoresis are its universality and its simplicity. .... The contactless approach fea- tures also unprecedented ease of the cell arrangement and inherent prevention of electrode .... Tanyanyiwa and co-workers [18–21] subse- quently demonstrated that in this approach the sensitivity can be greatly enhanced by using an AC voltage with an elevated peak-to-peak amplitude of several hundred volts [18], a mode previously demonstrated to be benefi … that certain anionic analgesics could be detected with good sensitivity when using the high-voltage detector [18].
-
Evaluation of the detection of biomolecules in capillary electrophoresis by contactless conductivity measurement
The main reasons for this success are simplicity and rapid and efficient separation. .... detection has recently also seen considerable attention following the introduc- tion of a contactless arrangement based on .... In comparison to conventional conductivity cells and amperometric detectors this has the advantage of simpler construction as .... Tanyanyiwa et al. [12] have also shown that the contact- less detector configuration allows the use of elevated AC voltages for cell excitation leading to higher sensitivities and hence improved LOD.
