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High Current Sensing Applications
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High Current Sensing Applications
From actionio.com

Quite often we are asked how to trip an alarm with a high current input signal. An engineering company is constructing a system to test solenoids. The circuit typically generates a current flow of 1 Amp. A 0.5W 1 Watt precision resistor connected in series with the current loop produces a 500 millivolt signal. This 500mV signal becomes the input to a Slimpak G108-0001 Limit Alarm. A Hi alarm is indicated if the solenoid is drawing too much current and a Lo alarm if the solenoid is drawing insufficient current.

 


Products & Services
Ion specific electrode meters are millivolt meters that interface with ion selective electrodes (ISEs). These meters take the potential generated by the electrode and convert it into units of concentration.
Specialty or proprietary products and accessories related to solenoids.
Overload relays prevent an electric motor from drawing too much current and overheating; includes thermal and solid state overload types.
Potentiostats and galvanostats are electrochemical instruments used in electrochemistry, battery and fuel cell testing, corrosion control, voltammetry, biomedical research, surface imaging, and related applications.
Electrical inductance sensors measure the inductance of an electrical component or system.
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Product Announcements
Laurel Electronics, Inc. - 1/8 DIN Bargraph Meter.
Model BAR Bargraph Meter provides a graphical display of analog process signals, such as 4-20 mA, 0-20 mA, 0-10 mA, 1-5 V or 0-10 V. The bargraph consists of 30 LED elements. These can be red or green... (read more)
Eurotherm/Action Instruments - DC Voltage / Current Input Limit Alarm
The WV Series from Eurotherm's Action Instruments group, is an exciting new line of signal conditioners. This new line provides features never before found in traditional signal conditioners on the... (read more)
Eurotherm/Action Instruments - Thermocouple Input Limit Alarm
The WV Series from Eurotherm's Action Instruments group, is an exciting new line of signal conditioners. This new line provides features never before found in traditional signal conditioners on the... (read more)
TES Electrical Electronic Corp. - NEW ~~ 700 MILLI-OHM METER
5A (120 mΩ) max. test current 6 Ranges (16mΩ ~ 6KΩ) with 1μΩ Best Resolution Measurement of resistive and inductive materials Cable Length Measurement RS-232 Interface /... (read more)
Dataforth Corporation - DSCP Voltage/Current Input Signal Conditioner
The Dataforth DSCP81 is a software configurable voltage/current input signal conditioner that interfaces to voltages up to 1000VDC with alarm relay output. (read more)
Gordon Engineering Corp. - Brake Monitor System
Brake Monitor System from Gordon Engineering. The DM3000 Brake Monitor system features microprocessor-based electronics, 3-digit LED display for stop or reserve (time to alarm) times, auto-learn mode,... (read more)
NIRECO America Corporation - Pulse Width Modulated (PWM) Solenoid Drivers
Pulse width modulated (PWM) solenoid drivers are available with rated output currents from 250 ma. to 5 amps. These high efficiency units can be operated open loop only (no external feedback device). (read more)
 
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Topics of Interest
Integrators and differentiators are circuits that simulate the mathematical operations of integration and differentiation.  It is not necessary for you to understand these operations now to be... (Read More)
An actuator is the mechanism by which an agent acts upon an environment. The agent can be either an artificial intelligent agent or any other autonomous being. The common forms of actuators are... (Read More)
Adapting a switch mode DC-DC converter to work with a fuel cell is similar to a solar panel. To prevent the converter from drawing too much current from the fuel cell and ‘locking’ it down... (Read More)
Access Time: Time between the memory receiving a new input address and the output data’s becoming available in a read operation. Active Load: A transistor that acts as a load for another transistor. (Read More)
The Action Pak 4351-2000 or, if din rail mounting is perfered, the ActionI/Q Q486-0000's are used to linearize the thermocouple signal. By tying the negative output of the 4351-2000's or the... (Read More)
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Technical Articles
High Current Sensing Applications - Data Acquisition and Signal Conditioning
Hall Sensor - Test Geartooth Sensing - Sensors, Transducers and Detectors
Mechanical Torque Limiters Still Make Sense - Motor Controls and Drives
Reining in Position-Sensing Costs (Automotive Design Line) - Sensing and Measurement Instruments
Gearbox Repair and Application Review - Power Transmission
UltraVolt HVPS Output-Current Monitor - Power Supplies and Conditioners
UltraVolt HVPS Output-Current Monitor - Power Supplies and Conditioners
Applications of SmartFan Technology - Motor Controls and Drives
History Of CNTs - Electrical and Electronic Contract Manufacturing
Opto Sensors - Typical Applications - Sensing and Measurement Instruments
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See more product announcements for Ion Specific Electrode Meters
Mi160 Bench Meter

Mi160 Bench Meter
Milwaukee Instruments, Inc.


DA 3500 Discrete Analyzer for Ion Analysis

DA 3500 Discrete Analyzer for Ion Analysis
O. I. Analytical


Powerful Dry Leak Detector ASM 182TD+; ASM 192T2D+

Powerful Dry Leak Detector ASM 182TD+; ASM 192T2D+
Alcatel Vacuum Products, Inc.


11 See more product announcements for Ion Specific Electrode Meters



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