Current Sources
See Also: Programmable Current Sources, Battery, Voltage Current Sources
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Product
Precision Pulsed Current Sources
SpikeSafe Performance Series
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SpikeSafe™ Performance Series Current Sources supply DC and precision continuous or single pulse current for light measurement and other applications. With sustained output power and no duty cycle limitations, Performance Series Current Sources support a broad range of applications.
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Product
Current Integrated Sources
CIS
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The CIS current integrated source was designed to provide a stable alternating current source for the electricity meter test equipment, and in laboratories. The output current is isolated and independent from the mains voltage. Different CIS versions are available depending upon the values of output power and output current required.
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Product
Precision Voltage and Current Sources
VI-700
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The VI-700 Voltage and Current Source is a versatile precision dialable or remotely programmable voltage and current source. Its three ranges provide up to 20 V full scale (200 V with the HV option), and down to 100 mV resolution; and 20 mA full scale down to 0.1mA resolution. Both voltage and current outputs are available simultaneously. The output is set by a range selector and thumbwheel switches in the LOCAL mode, or by a digital input at the rear panel. The REMOTE mode control can be a RS232 or IEEE-488 interface.
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Product
AC and DC Current Sources
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Programmable AC and DC current sources that provide precise, low noise, stable currents for a number of applications.
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Product
SpikeSafe DC / Continuous Pulsed Current Sources
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The Vektrex SpikeSafe™ DC / Continuous Pulse (DCP) Current Sources provide reliable DC or pulsed drive for LED or laser diode reliability testing, IESNA LM-80 maintenance testing, and other test applications requiring DC or continuous pulse current. Models support currents from 500mA to 60A and compliance voltages from 50V to 400V. All models feature individual channel control, accurate pulsing over long output cables, precise current, precision pulsing for improved measurement repeatability, and high power density — typically 6.4kW-8kW.
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Product
DC Precision Current Sources
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DC Precision Current Sources provides precise and very stable output currents from 3 A to 10,000 A. The 6623A-PCS Series provides the best uncertainties of any DC high current sources (i.e. < 5 ppm of precision and stability at 1000A). In addition this Series is modular and initial output currents can be expanded at any time.
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Product
16 Thermocouples/RTD Ch
APCI-3200-16
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18-bit resolution, 16-bit accuracyEach channel can be configured either for thermocouples/RTD or as an analog voltage input channel16 analog input channels for thermocouple typesJ, K, T, E, R, S, B, N - or 8 diff. analog input channels for the acquisition of resistance temperature detectors (Pt100)- or 16 SE/8 differential analog voltage input channels, ± 2.5 V8 independent current sources for resistance temperature detectors (RTD) and one current source for cold junction compensationCold junction compensation (on separate screw terminal board PX 3200)Gain and offset calibrationLinearisation through table and calculation for the thermocouple types J, K, T, E, R, S, B, N and RTDsProgrammable gain16-bit accuracy with sample rates of 20, 40, 80 or 160 Hz (other rates on request)4 digital input channels, 24 V and 3 digital output channels, open collector, isolated
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Product
Three-phase Fully Automatic Test System
TS33
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Calmet Smart Calibration Devices
The Calmet TS33 portable test system consists of a three-phase reference meter of accuracy class 0.02%, 0.04% or 0.1% and an integrated three-phase current and voltage source up to 3x120A/600V. The TS33 is designed for analysis of complete metering installations and local mains conditions.
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Product
PXI Isolated Single Channel Voltage/Current Source, 100V
M9186A
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The V/I source lets you source a voltage and measure the resultant current, or source a current and measure the resultant voltage. It consist of two separate amplifiers, denoted "low" and "high" that share a common output connection. The "low" amplifier provides voltages in the range of 16 volts at up to 200ma and the "high" amplifier provides voltages in the range of 100V at up to 20mA.
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Product
Three-Phase Relay Protection Tester
GDJB-PC
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Chongqing Gold Mechanical & Electrical Equipment Co.,Ltd
1.GDJB-PC Universal Secondary Injection Relay Test Set is applied to test the relay unit in relay protection system. 2.At the same time GDJB-PC Universal Secondary Injection Relay Test Set could be considered as a universal three phase AC/DC voltage source or current source. 3.It can work alone or connected to computer, inside the relay controller there are new speed digital signal mini PC and real DAC (Digital-to-Analog Converter) template with new high fidelity and high power, the machine has large panel screen and rotating mouse. It is small in volume, high precision.
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Product
Arc Ingintion Tester
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The product is designed to carry out Arc Ignition Test as per IS/IEC 60947-1 Clause 8.2.1.1.2 (material used for electrical products). The adjustable current source is 230V AC @ 33A. The load is adjusted to get 32.5A at 0.5 power factor. Included on control unit are Digital Voltmeter, Digital Ammeter, Digital Power Factor Meter and Micro Controller based programmable Sequence Timer with LCD display for display & setting. The arrangement is made to mount the test piece with electrodes as per the specification given in the standard.
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Product
SQUID Electronics
XXF-1
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It is designed to satisfy the needs of nearly all low-Tc SQUID applications. Additional integrated current sources provide e.g. bias current and calibration pulses for TES applications. These current sources together with an additional switchable feedback path make two-stage SQUID operation very convenient.
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Product
LED/IGBT Driver
SiC/GaN
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Mornsun Guangzhou Science & Technology
MORNSUN offers high quality IGBT driver, LED driver and driver power module for IGBT driver and SiC/GaN gate driver, which feature a compact design, are energy-efficient and robust with high quality at an affordable price. Especially MORNSUN LED driver is a step-down constant current source for driving high-power LED providing high efficiency, wide input voltage range, high temperature working capacity and complete functions. All of these driver power modules are applicable for multiple commercial and industrial applications.
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Product
PXI Digital to Analog Converters
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Keysight's PXI digital to analog converters and V/I sources are capable of supplying high and low voltages levels as well as source currents on one or multiple channels.
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Product
Materials Test Systems
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An impedance analyzer is a device that uses a programmable AC voltage / current source, together with voltage and current measurement circuits, to characterize sample impedance over a wide range of frequency. An example of this being the world famous Solartron Analytical 1260A Impedance Analyzer that provides EIS impedance characterization over more than 12 decades of frequency from uHz to tens of MHz. Impedance Analysis characterization is a key technology that enables new materials development for semiconductors, smart-materials, ferroelectrics, piezo-electrics, solid oxide, solid electrolytes, ceramics, polymers, OLED and many more materials.
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Product
Temperature Calibration System
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Thermal Engineering Associates, Inc.
Systems for determining relationship between temperature-sensing junction voltage versus junction temperature of diodes, integrated circuits and thermal test die. Provides internal current sources, voltage measurement to 1 mV, and temperature measurement to 0.1ºC. 16-channel capability with optional printer and serial port data output.
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Product
Temperature Monitors
SIM923A
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Stanford Research Systems, Inc.
The SIM923A has selectable 10 µA and 1 mA current sources to provide sensor excitation. Sensor resistance is determined ratiometrically with a half-bridge circuit consisting of the sensor and an internal reference resistor.
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Product
Combination Module: 2 Ch. MIL-STD-1553 & 12 Ch. Discrete I/O
CM8
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The CM8 module is a combination of NAI's MIL-STD-1553B module, FTB, and Enhanced Discrete I/O module, DT4. The CM8 offers twelve channels of discrete I/O and two channels of MIL-STD-1553B communications. The twelve discrete I/O channels are programmable as either input (voltage or contact sensing with programmable, on-module pull-up/pull down current sources), or output (current source, sink, or push-pull) up to 500 mA per channel from an applied, external 3-60 VCC source. The discrete I/O channels also provide additional functionality modes such as Pulse Width Modulation (PWM) output mode and Pattern Generator output mode. The two MIL-STD-1553B communications channels feature a dual, redundant, balanced-line, physical layer; a (differential) network interface; time division multiplexing; half-duplex command/response protocol; and up to 31 remote terminals (devices).
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Product
Current Source
M151
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Clarke-Hess Communications Research
The Model M151 is a stable high current calibrator up to 120 A. Basic accuracy is 0.035 %. It can be controlled viaRS232 or GPIB interface. The Model 151 can function in a simulated amplifier mode to increase the current capabilityof any multifunction calibrator. It is suitable for power meter calibration because it can be synchronized with the inputsignal not only in amplitude but also in frequency and phase. The current terminals are isolated up to 450 Vpk againstcase (protective earth).
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Product
PXI Based Multifunction Measurement and ICT Instrument
PXI-501
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The PXI-501 is a multifunction measurement instrument for functional and in-circuit measurements.It combines two parametric measurement units with a digital voltmeter, a high voltage current source and a discharge unit. This powerful combination makes it the ideal instrument for classical analog in-circuit test and manufacturing defect analysis with additional functional test capabilities.With it’s fast sampling rate of up to 4MSps it speeds up measurements and is capable of measuring and generating AC signals up to 100kHz.To enhance the PXI-501 capabilities it can be combined with an ABex TM-501 or an ABex TM-404. The ABex TM-501 enhances the in and output range of the PXI-501. Furthermore, it provides a shunt current measurement upgrade. In combination with the ABex TM-404 it’s a complete in-circuit test solution with 86 channels in one ABex slot. For sure it can be upgraded to 2838 test points in one rack by simply adding additional matrix modules.With the above-mentioned terminal modules, the PXI-501 is able to act as a ABex system controller, so that no additional controller is required in the cassis.
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Product
High-Density Precision SMU Mainframe (4 Slots, 1U)
PZ2100A
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The Keysight PZ2100A is the precision source / measure unit (SMU) mainframe that uncompromisingly and densely integrates 20 SMU channels into valuable 1U height, full width, rack space with flexible module options at their best performance. It supports a variety of resources such as the Keysight PZ2110A Precision SMU, PZ2120/21A High-Speed SMUs, and PZ2130/31A High Channel Density SMUs with multiple functions such as pulser and digitizer, as well as precise voltage / current sourcing and measuring to adapt to a wide range of application requirements. The PZ2100A has 4 slots and allows any mixed module configuration for flexible scalability.
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Product
Configurable Reostat or Potentiometer Module
YAV90084A
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4x 8-Bit 1KOhm reostat4x 8-Bit 40 Ohm reostat2x 8-Bit 5 MOhm reostat10x Electronic Potentiometer 8-bit resolution -256 steps- with build-in self test10x Voltage to current source 0(4)..20mA10x Analog Outputs (buffer for voltage or frequency)36-Ch Test Point voltage divider2xCAN Bus Channels Terminators testerExpandable with NI PXI-6723 and PXI-6345.
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Product
Calibrator, Calibrated w/D & U, Current, 185 mm, 78 mm, 38 mm
72-6694 CAL DU
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The 72-6694 CAL DU from Tenma is a current calibrator. It provides quality and accuracy of handheld calibrator of precision current source. It features large LCD display (maximum display counts 1999, 13mm (0.5") digit size). The current calibrator has 006P DC 9V, MN1604/PP3 battery or equivalent alkaline type or heavy duty type power supply. The dimension is 185mm × 78mm × 38mm (7.3" × 3" × 1.5") and weight is 265g/0.58lb (including battery). It has adjustable 0 to 24mA current source, 2 ranges (0 to 19.99mA (0.01mA display resolution, ±(0.25% FS + 1d) accuracy), 0 to 24mA (0.1mA display resolution, ±(0.5% FS + 1d) accuracy).
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Product
RCD/LOOP/PAT Testers
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Kyoritsu Electrical Instruments Works, Ltd.
Custom microprocessor controlled for highest accuracy and reliability. 3 LEDs for checking correct wiring status. 0 and 180 degree phase angle switch permits quick tests and consistent readings. Digital read-out of tripping time. Constant current source circuitry ensures that a fluctuating mains voltage does not affect the accuracy of readings. Large custom digital display readout. Visual indication of reversed phase and neutral wiring at socket. Designed to IP54 Rating. Complies with IEC 61557 Test of a large kind of RCD''''s: Standard, Selective, AC and A (DC sensitive breakers)
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Product
High Current Calibrator
MC151
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MC151 Current calibrator is an accurate current source capable of 120 A. Typical uses include calibration of current sensors, current probes, current transformers, shunts, ammeters, DMMs or as stable current source for test and development applications. The calibrator is equipped with a built-in multimeter that can be used for simulation of programmable transconductance or current amplifier.
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Product
Water Cooled Laser Power Current Source
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AMETEK Programmable Power, Inc.
Provides main power directly to the laser diode stacks.
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Product
32-CH/64-CH Isolated Digital I/O PCI Express Card With Digital Filter
AX92351
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The AX92351 is a 64-ch isolated digital I/O PCI Express card with 2,000VDC isolation protection. This high-density digital I/O card with high-speed PCI Express x1 bus is excellent for use in applications requiring digital control or monitoring, such as semiconductor machinery, PC-based industrial machinery, programmable I/O logic control, and process status monitoring. The AX92351 features 32 isolated digital input channels and 32 isolated digital output channels with isolation protection of 2,000V for industrial applications where high-voltage isolation is required. It is equipped with a board ID feature for easy identification of multiple cards in single system. There is a digital filter function to prevent input signals from carrying noise or a chattering. Each isolated input has a sink or source current which supports dry and wet contact for maximum application flexibility. The card has a wide range of input voltage from 10 to 30V to meet most industrial application needs. The AX92351 also provides two interrupt sources on digital input channels. Digital output has open controller and supports maximum 30VDC. The read-back function is another useful function that allows monitoring each output port.
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Product
Solar Array Simulator DC Module, 65V, 8.5A, 510W
E4361A
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The Keysight E4361A is a 510W solar array simulator DC power module that simulates the output characteristics of a solar array. The E4361A is primarily a current source with very low output capacitance. It offers fast I-V curve changes allowing you to accurately simulate the output of different solar arrays under various environmental conditions (ex. temperature, age, eclipse, spin etc.). The E4360 gives you the flexibility to operate it in two ways:
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Product
PXIe-4322, 16-Bit, 8-Channel, 250 kS/s Ch-Ch Isolated PXIe Analog Output Module
782878-01
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16-Bit, 8-Channel, 250 kS/s Ch-Ch Isolated PXIe Analog Output Module—The PXIe‑4322 is a channel‑to‑channel isolated analog output module with integrated signal conditioning. The device provides accurate, simultaneous dynamic voltage and current outputs. By combining signal conditioning and D/A converters on the same device, the PXIe‑4322 isolated analog output module delivers a smaller footprint and higher measurement performance. In current mode, the module operates in all four quadrants, so you can both sink and source current. Isolation and higher voltage and current outputs make this module ideal for automotive applications.
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Product
16-Ch Digital Input Modules
ADAM-5051
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Input voltage: 30 VmaxCircuit type: Pull-Up current: 0.5 mA (Source Type)Power consumption: 0.53 WChannels: 16





























