Voltage Drop
electrical energy given up flowing through a circuit.
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Product
PCIe Digital I/O Board, 64 Optically Isolated I/O Channels, 5V-HS
APCIE-1564-5V-HS
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32 digital inputs, 5 V, isolated16 interruptible inputs32 digital outputs, 5 V, isolated, 10 to 36 V, 500 mA/channelOptical isolation 1000 VWatchdog for resetting the outputs to "0" (when Power-On)Protection against fast transients, overvoltage, electrostatic discharge and high-frequency EMIInputs: voltage reversal, input filtersOutputs protected against short circuitOvertemperature and overvoltage protectionDiagnostic report in case of short circuits, overtemperature, voltage drop ...24 V power outputs with protection diodesShutdown logic when the external supply voltage drops below 5 V
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Product
SiC Diodes
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ST’s silicon carbide diodes range from 600 to 1200 V – as single and dual diodes – and feature unbeatable reverse recovery characteristics and improved VF. Available in a wide variety of packages, from D²PAK to TO-247 and the insulated TO-220AB/AC, they offer great flexibility to designers looking for efficiency, robustness and fast time-to-market. ST’s SiC Schottky diodes show a significant power-loss reduction and are commonly used in hard-switching applications such as high-end-server and telecom power supplies, while also intended for solar inverters, motor drives and uninterruptible power supplies (UPS). ST’s automotive-grade 650 and 1200 V SiC diodes – AEC-Q101-qualified and PPAP capable – feature the lowest forward voltage drop (VF) on the market, for optimal efficiency in electric vehicle (EV) applications.
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Product
12-24V Multi-functional Auto Tester With LCD Display
6511
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Peaceful Thriving Enterprise Co Ltd
Test the automotive electrical system within 12-24V. In order to save the testing hours for the automotive electrical system, the tester is designed to test the system without re-connection between the vehicle battery and the testing components. For the testing and safety purpose, the tester contains short-circuit protection, which can also check the ground connection without voltage drop test. The short-circuit protection system contains the recoverable fuse, so the technician will not waste the fuses during the testing. The extension cable is long enough for a technician to test the whole system for the vehicle. Therefore, the technicians do not have to search for ground connection constantly.
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Product
LOADpro Dynamic Test Leads
180
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*LOADpro Test Leads load the circuit to see if current can flow. *By loading the circuit, LOADpro makes a voltage drop test “on the fly”. *Just press the switch – the test results can not lie. *Use LOADpro w/your DMM and follow our test method - you will find wiring faults quicker. *LOADpro Test Leads feature SteadyPin Probe Tips, which allows the probe to sit firmly on a male ECM or connector pin. *LOADpro are OEM approved – finds corroded circuits fast!
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Product
MICRO OHM-METER
UONT100A
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International Biological Laboratories
This Test Set is capable to measure low resistance like switch contacts, breaker contacts, busbar splices, joints, fuses, low inductive windings etc. by circulating high value of D.C. through the contact/junction and measuring D.C voltage drop (4 terminal method) which, sent to instrument amplifiers , thereby being displayed on resistance meter.
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Product
Digital Multimeters
ST-3201
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Standard Electric Works Co., Ltd
● Display : 3½ digit liquid crystal display (LCD) with max. reading of 1999.● Polarity : Automatic, (-) negative polarity indication.● Zero Adjustment : Automatic.● Over Range Indication : Highest digit of (1) or (-1) is displayed. ● Low Battery Indication : The (BAT) is displayed when the battery voltage drops below the operating voltage.● Measurement Rate : 3 measurements per second, nominal.● Operating Temperature : 0ºC ~ 50ºC, 70% R. H.● Storage Temperature : -20ºC ~ 60ºC, 80% R. H.● Accuracy : Accuracy specifications at 23 ± 5ºC, less than 75% R. H.● Power : Single, 006P 9 volt battery● Dimensions : 128(L) × 72(W) × 33(D) mm.● Weight : Approx. 183g
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Product
Earth Contact Resistance Tester
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SCR ELEKTRONIKS have developed an equipment namely Earth Contact Resistance Tester to test the appliance. To ensure the safety of operator it is essential that the Earth path (connection) should offer minimum impedance to by pass short circuit Current to Earth. This is ensured by measuring Resistance of the Earth path by passing heavy Current say 25 A. The Earth Contact Resistance Tester essentially comprises of a Variable Current source with digital Ammeter to measure the Current supplied. The Voltage drop across the Earth path is measured with a digital Voltmeter. Optionally for a particular Current (25 A) the meter can be calibrated in terms of Resistance. A timer is provided to switch off the Current after the Set Time.
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Product
Dual Mobile Comm DC Source w/ Battery Emulation
66319B
DC Power Supply
The Keysight Mobile Communications DC Source 663xx series offers several features ideal for testing wireless and battery powered devices. Excellent voltage transient response ensures maximum test-system throughput by minimizing device shutdowns due to significant voltage drops in the test wiring. Built-in advanced measurement system to accurately measure battery current drains when the device operates in different modes and a Keysight-developed feature that enables cellular telephone manufacturers to detect permanently and intermittently open-sense wire connections. The Keysight 66319B dual output mobile communications dc source provides two outputs for testing both the main battery power and the battery charger circuitry, allowing customers to test phones and chargers with the same equipment. This feature helps save on rack space (2 outputs in a rack box) and eliminates the need for two separate power supplies.
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Product
Thermocouple Thermometers
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Polarity: Automatic, positive implied, negative polarityindication.Low battery indication: The “ ” is displayed when thebattery voltage drops below the operating level.Measurement rate: 1 times/second.Operating environment: 0°C to 50°C at<70% R.H.Storage temperature: -20°C to 60°C, 0 to 80% R.H. withbattery removed from meter.Accuracy: Stated accuracy at 23°C±5°C, <75% R.H.Battery: 1.5Vx4pcs AAA size.Dimensions: 160mm(H) x 83mm(W) x 38mm(D).Weight: approx. 270g including batteries.
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Product
Bench Power Supply, Single, Adjustable, Fixed, 1 Output, 13.3 V, 14.5 V, 15 A
72-8110
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The 72-8110 is a compact switch mode Power Supply features a very compact footprint that makes it an ideal match for portable communications equipment. Its 50% duty cycle surge rating is comes in handy in demanding transmitting situations. It is also perfect for two-way radio (including HF) and audio equipment including auto sound and multimedia systems. This fixed voltage switch mode power supply is designed with high RFI stability and is especially suitable for two-way radio and communications equipment. Constant current circuitry is used for overload, short-circuit and over-temperature protection. Output current and voltage drop to a safe level when any fault occurs. This power supply also has over voltage protection to prevent connected equipment from damage.
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Product
Communication and Control Cable
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Teledyne Marine Cable Solutions
TCS provides large gauge for long runs and low voltage drop, with a high strand count for continuous flex. Low capacity, low-skew, shielded and ROHS compliant.
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Product
Dual Mobile Communications DC Source w/ DVM
66309D
DC Power Supply
The Keysight Mobile Communications DC Source 663xx series offers several features ideal for testing wireless and battery powered devices. Excellent voltage transient response ensures maximum test-system throughput by minimizing device shutdowns due to significant voltage drops in the test wiring. Built-in advanced measurement system to accurately measure battery current drains when the device operates in different modes and a Keysight-developed feature that enables cellular telephone manufacturers to detect permanently and intermittently open-sense wire connections.The Keysight 66309D dual output mobile communications dc source provides two outputs for testing both the main battery power and the battery charger circuitry, allowing customers to test phones and chargers with the same equipment. This feature helps save on rack space (2 outputs in a half rack box) and eliminates the need for two separate power supplies.The 66309D dc source provides all of the capabilities of the 66309B with the addition of a built in digital voltmeter.
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Product
SparkFun Current Sensor Breakout
INA169
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The INA169 is a “high-side current monitor,” which means that you place a resistor (a “shunt resistor”) on the positive power rail and the INA169 measures the voltage drop across that resistor. The INA169 outputs a small current based on the measured voltage drop. If you place a resistor from the output of the INA169 to ground, you can measure the voltage at the output.
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Product
Digital I/O Board, 32 Isolated I/O Channels, 24V +special EEPROM & TTL IO Port
APCI-1500-PULS
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PCI interface to the 32-bit data bus Connector compatible to PA 1500 Connector and software compatible to CPCI-1500 16 isolated input channels, 24 V, including 14 interruptible 3 software-programmable counters/ timers 16 isolated output channels, 10 to 36 V, output current 500 mA Timer-programmable watchdog for the reset of the outputs"-PULS" version has a special EEPROM and a TTL IO port added at end of cardDiagnostic report through status register in case of short-circuit, overtemperature, voltage drop or watchdog Interrupt triggered through watchdog, timer, error One ground line for all inputs and one ground line for all outputs
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Product
PCIe Digital I/O Board, 16 Optically Isolated I/O Channels, 24V
APCIE-1516
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8 digital inputs, 24 V, isolated15 interruptible inputs8 digital outputs, 24 V, isolated, 10 to 36 V, 500 mA/channelOptical isolation 1000 VWatchdog for resetting the outputs to "0" (when Power-On)Protection against fast transients, overvoltage, electrostatic discharge and high-frequency EMIInputs: voltage reversal, input filtersOutputs protected against short circuitOvertemperature and overvoltage protectionDiagnostic report in case of short circuits, overtemperature, voltage drop ...24 V power outputs with protection diodesShutdown logic when the external supply voltage drops below 5 V
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Product
Audio Multimeter
AMM-1
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The purpose of this tool is to enable the user to: Measure True Amplifier Power output into any load reactive or resistive Measure Common DC voltages Measure DC voltage drops during quick transients on cable runs or battery / charging systems Measure Impedance of speakers at any power or frequency from 20Hz - 1kHz (box rise) Measure Phase Difference between Voltage and Current into reactive loads (Power Factor) Find Tuning Frequency of subwoofer enclosures Tune subwoofer enclosures for maximum power transfer Measure AC Volts (amplifier output) Measure AC Amps (amplifier output)
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Product
Dual Mobile Communications DC Source
66309B
DC Power Supply
The Keysight Mobile Communications DC Source 663xx series offers several features ideal for testing wireless and battery powered devices. Excellent voltage transient response ensures maximum test-system throughput by minimizing device shutdowns due to significant voltage drops in the test wiring. Built-in advanced measurement system to accurately measure battery current drains when the device operates in different modes and a Keysight-developed feature that enables cellular telephone manufacturers to detect permanently and intermittently open-sense wire connections.
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Product
Electrical Safety Test Equipment
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Making a product “safe” requires an understanding of “hazards” that exist in each electrical product. Electrical shock is one of the four fundamental hazards. Because of that, it must be a part of any product electrical safety evaluation. Even though a product requires an electrical power source and uses electrical or electronic components, it should not present an electrical shock hazard to the user.Ground bond or earth continuity testing prevents electrical shock hazards. Similarly to a fault to earth, test instruments generate a high current. The standard requires that the resistance between protective earth and any conductive surface on the equipment does not exceed 0,1 Ohm. The test is performed by applying a DC current between the conductive surface and protective earth. By measuring the voltage drop, it calculates the resistance.RMO-E instruments are ideal for testing the protective bonding (grounding) of equipment following the standard IEC 61010-1. Applying current up to the value of 100 A and the ability to provide in the Contin menu (continuous operation) test current for the pre-set test duration (equal or exceeding 1 min) gives a user a possibility to easily check the protective bonding/grounding of the equipment. The full load voltage of 12 V assures proper measurement and accurate result. Finally, an instrument displays pass/fail classification according to user-preset parameters.
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Product
12-24V Multi-functional Auto Tester With LCD Display
6511A
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Peaceful Thriving Enterprise Co Ltd
Test the automotive electrical system within 12-24V. In order to save the testing hours for the automotive electrical system, the tester is designed to test the system without re-connection between the vehicle battery and the testing components. For the testing and safety purpose, the tester contains short-circuit protection, which can also check the ground connection without voltage drop test. The short-circuit protection system contains the recoverable fuse, so the technician will not waste the fuses during the testing. The extension cable is long enough for a technician to test the whole system for the vehicle. Therefore, the technicians do not have to search for ground connection constantly.
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Product
Digital Test Light With Load Tester
28800
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Works as a regular test light and when you push the button on the tool it applies an 800mA load at 12V DC to easily check for voltage drop on circuits. The display will indicate the voltage drop when the button is pushed. Displays voltage under load to tell if circuit has problems like corrosion, resistance, or faulty connections. 48" cord with heavy-duty alligator clamp for secure connections. Not computer safe with load applied. Not for use on airbags.
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Product
PCIe Digital I/O Board, 32 Optically Isolated I/O Channels, 24V
APCIE-1532
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16 digital inputs, 24 V, isolated16 interruptible inputs16 digital outputs, 24 V, isolated, 10 to 36 V, 500 mA/channelOptical isolation 1000 VWatchdog for resetting the outputs to "0" (when Power-On)Protection against fast transients, overvoltage, electrostatic discharge and high-frequency EMIInputs: voltage reversal, input filtersOutputs protected against short circuitOvertemperature and overvoltage protectionDiagnostic report in case of short circuits, overtemperature, voltage drop ...24 V power outputs with protection diodesShutdown logic when the external supply voltage drops below 5 V
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Product
PXI 2 Pole 18 way Mux with 2 Pole 18 way sen
40-658-002
Multiplexer Module
This PXI multiplexer combines a 2-pole 18-way power distribution MUX with a second lower power 2-pole 18-way MUX in one convenient single slot PXI module.The module is ideal for power distribution where power and sense signals are required to be connected to an array of devices under test. This multiplexer is also convenient for making 4 wire low resistance measurements by supplying the resistor under test with high current through the power MUX and sensing the voltage drop through the sense MUX.
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Product
Field Effect Rectifiers
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ST field-effect rectifier diodes (FERD) help improve designs with new versions focusing on trade-off upgrades. Field-effect rectifier diodes belong to our STPOWER family. The design of the FERDs has allowed both a decrease in the voltage drop and a decrease in the leakage current temperature coefficient. As a result, the runaway safety margin is improved and maybe beyond the typical safety margin of Schottky barrier diodes.
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Product
SureTest® Circuit Analyzer
61-164
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*Measures voltage drop under load**Hot and neutral conductor impedances*Estimates Load on Line (ELL) up to 15A*Tests GFCIs and EPDs for proper operation*Super-bright OLED display*High accuracies*True RMS*Line and peak voltage*Identifies proper wiring in 3-wire receptacles*Identifies false (bootleg) grounds*Tests without disturbing sensitive loads*Verifies isolated grounds (with 61-176 adapter)*2-year warranty*12A, 15A, 20A load tests
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Product
16-Channel VME Current Source & Analog Measurement Module
V460
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The V460 is a VME-based versatile source/measurement unit. It includes a programmable constant-current source, a precision programmable gain 16-bit analog-to-digital converter, and a 4-wire, 16-channel analog multiplexer. An internal microprocessor supervises channel scanning according to user loaded parameters, reporting sensor voltage drops or, for selected sensor types, engineering-unit data.
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Product
PoE Tester
PE-100
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The PoE Tester/Power Monitor is designed for testing standard PoE and measuring power of PoE systems, by performing both PSE (Power Source Equipment) detecting and PSE/PD (Powered device) inline testing. Compliant with IEEE802.3 af, 802.3at standard and 802.3bt ultra 4-pair up to 60W-100W. PSE detecting display PoE type (af or at), power source (Endspan or Midspan) and perform a load test for voltage drop with REV LED indicates a reversed power. Inline PSE/PD testing-measure and display in rotation between voltage (Volts), current(Amps) and power(Watts) via dual 4 digit 7 segment LEDs which provides voltage available, current flowing and how much power an PD actually need ensure sufficient power for PD to make the PoE is sustainable.
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Product
Digital LOOP/PSC/LOAD Tester
1825 LP
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Standard Electric Works Co., Ltd
● Microprocessor-controlled.● Measures the voltage drop as if 16A was flowing between Line and Neutral.● Displays voltage without current (V at 0A).● Display voltage as if 16A flowing between Line and Neutral (V at 16A).● Loop test for L-E● PSC between L-N.● Single one smart push button operation; ON, Scroll through results and menus.● Checks wiring integrity (LEDs).● Auto off/auto ranging (software range).● Combined prospective short circuit current, loop and load tester.● Display can be customized for large orders.
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Product
Current Pulsers and Laser Diode Drivers (Pulsed Current)
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These instruments generate current pulses whose amplitude is largely independent of the load voltage. This makes them ideal for pulsing device whose voltage may vary with time (for instance, the voltage drop of laser diodes may vary with temperature, or explosive squibs which change impedance during ignition). This voltage independence is a trade-off with speed. If faster rise times are required, consider using pulsed voltage instruments instead.
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Product
Voltage Sag Generator
SKS-1120GTB
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Shanghai Sanki Electronic Industries Co., Ltd.
The cycle drop simulator is used to reproduce the voltage fluctuation phenomenon of commercial power supplies. Simulate the grid voltage drop and short-term interruption caused by the accident or the sudden change of the large load in the low-voltage power grid, or the grid voltage change caused by the continuous change of the load. Used to evaluate the performance of the equipment under these voltage changes.
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Product
Mobile Communications DC Source, 15V, 3A
66311B
Battery Simulator
The Keysight Mobile Communications DC Source 663xx series offers several features ideal for testing wireless and battery powered devices. Excellent voltage transient response ensures maximum test-system throughput by minimizing device shutdowns due to significant voltage drops in the test wiring. Built-in advanced measurement system to accurately measure battery current drains when the device operates in different modes and a Keysight-developed feature that enables cellular telephone manufacturers to detect permanently and intermittently open-sense wire connections.The Keysight 66311B mobile communications DC source provides fast transient, exceptional sourcing, and precision measurement.
