Current Sources
See Also: Programmable Current Sources, Battery, Voltage Current Sources
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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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Current Sources
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Innovar Current Sources are the standard in the circuit breaker industry. Our Current Sources supply regulated current from 1 amp to 100,000 amps with incredible accuracy, along with providing a full set of features that is unmatched by any other Current Source in the market.
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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
Secondary Current Injection Test Trolley
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SCR ELEKTRONIKS have developed SECONDARY CURRENT INJECTION TEST TROLLEY for Switchgear items, CT manufacturer and where three phase current application is called for. It is low Voltage, 3 phase Current source with control circuitry, digital read out for test current and trip time measurement. We can select different CT ranges for each phase independently and adjust the current as per the required test Current.
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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
20-Channel SPST Power Switch Card
1260-120
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Each channel of the 1260-120 can switch up to 13A, 250VAC or 10A, 125VDC; its switching capability makes it the ideal solution for applications requiring high-current switching of AC power, DC power supplies, and AC or DC current sources.
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Product
FPP Software
Four Point Probe
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Materials Development Corporation
For use with a manual four point prober, the MDC FPP Software operates in a convenient, single screen that displays both measurement parameters and testresults. The FPP software can measure Resistivity, Conductivity, Resistance, Doping, Thickness, and SheetResistance when used with a compatible current source and voltmeter or SMU.
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Product
Portable Three-Phase Current Load
EE-120A-3
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The Current Source is able to generate three-phase currents, synchronized with the service voltage, with unprecedented stability and measurement accuracy. The amplitude and phase-shift of each current is individually adjustable. The values of voltage, current, power, power factor, phase shift, THD and frequency are indicated on the LCD display.
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Product
Three Phase Portable Energy Meter Test Instrument Type KP-P3003-C
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Bofa Instrument & Equipment Co., Ltd
Three-phase portable energy meter test instrument type KP-P3003-C with current and voltage source is an ideal device to test all kind three-phase energy meters accuracy below 0.2. The equipment can generate 3-phase voltage, 3-phase current and any power factor signal, the standard meter inside the equipment is class 0.05. The equipment is box structure, light, and easy to carry, it is very convenience to test meters on site, moreover the equipment can be used for testing meter in meter manufacture and as testing equipment in R&D institute.
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Product
Three Phase Site Energy Meter Test Instrument Type KP-P3001-A
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Bofa Instrument & Equipment Co., Ltd
Three-phase site energy meter test instrument type KP-P3001-A (without voltage and current source) is an ideal instrument to test all kind three-phase energy meters accuracy below 0.2, especially for meters on site. When we want test a meter errors, the tested meter must be on load condition (or we can say the tested meter must be working). The instrument can test the errors, by comparing energy impulse from the tested meter with energy impulse from the reference meter which inside the instrument. The equipment is box structure and weight is very light, easy to carry, it is very convenience to test the installed meters on site.
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Product
Temperature Monitor
SIM922A
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Stanford Research Systems, Inc.
The SIM922A has a programmable, precision 10 µA current source to provide sensor excitation. Results can be displayed in either kelvins or volts.
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Product
1μΩ-4kΩ AC Milliohmmeter Low Resistance Tester
TH2521
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Shenzhen Chuangxin Instruments Co., Ltd.
TH2521 AC Milliohmmeter is a high-performance and intelligent tester widely used to test contact resistance, internal resistance and battery voltage. The application of constant current source with 1kHz frequency can greatly eliminate the potential error caused by thermoelectricity on DUT. This meter has the function to automatically detect contact failures on test cable. At the range of 30mΩ, basic R resolution can reach 1μΩ. It is applicable for transformer, inductance coil copper resistance, relay contact resistance, switch, connector contact resistance, wire resistance, PCB line and via reistance dan metal defect detection, etc. In the mean time, signals, such as HIGH, LOW, PASS, can be output through HANDLER interface, thus it is very convenient to be used in automatic production line.
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Product
Low Thermal EMF Relays
Series 100
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The Pickering Series 100 is a complete range of Single-in- Line (SIL) reed relays primarily intended for direct drive from 4000B CMOS or similar low current sources. They feature a very low level of thermal EMF.
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Product
Laser Diode Drivers
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Berkeley Nucleonics Corporation
Provides a laser diode with a stable, low-noise current source.
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Product
Power Sources
GF303
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Beijing GFUVE Electronics Co.,Ltd.
GF303 Program-controlled three phase AC standard power source is a high precision three phase AC standard current source and AC standard voltage source.
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Product
Parasitic Drain Tester
64970
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Replaceable in-line fuses protect both the meter and tester in the event a high current source on the vehicle is left on. The multimeter is bypassed with the switch during connection in case of a power surge. The tester and meter can remain connected until other computer systems shut down, isolating the drain. As a convenience, stacking banana connectors are used on the tester. This allows voltage to be measured on various locations on the vehicle during the drain test, using standard test leads.
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Product
Power Supply 303d
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Power stabilized POWERLAB series are high precision current sources with variable voltage and current over the entire range . They can operate in different modes of stabilization voltage or current switched automatically with adjustable limit value of the load current at any point in the range.
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Product
Multi-Channel, Programmable Current Source
CS-48-100
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The Model CS-48-100 is a multi-channel, programmable current source. Developed for both semiconductor and digital superconductor electronics, it is computer-controlled and features 48 low noise current source outputs. Each source output has the capability to both set and read back currents and can be set to a zero current high Z mute state. Each of the 48 sources are optically coupled for control and are sourced from their own secondary winding for complete galvanic isolation. The device consumes a maximum of only 80 W and handles a maximum load current of 4.8 A total over all outputs. Operating over a range of 0-100 mA on each channel, the device features accuracy of +/-25 ?A. The mute state can be set thru a rear panel interlock or from the front panel button for maximum circuit protection. The unit can be mounted in a standard-sized rack.
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MCB Magnetic (Instantaneous) Trip Test Bench
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The test bench is specially built for low voltage- B, C & D curve MCBs. Specially designed custom built jigs are able to accommodate single, double, three and four pole MCBs. Decades of experience has helped us to design current source (transformer) in a special way such that good current regulation and high accuracy is ensured with a variable range without the use of any variable transformer in the system. The product is better than the competition with conventional technology at a lesser price!
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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
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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Isolated Digital Expansion Board
MSXB 078
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The Microstar Laboratories Isolated Digital Expansion Board, part number MSXB 078, provides isolated digital expansion for Data Acquisition Processor (DAP) systems. Use these boards to eliminate ground currents – a potential source of noise in your measurement and control signals – and eliminate timing errors from high-channel count digital I/O.
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Product
Millivolt Drop Tester
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The SCR ELEKTRONIKS Millivolt Drop Tester is an industry acclaimed product. MVDT has a specially built constant current source (current generator) up to 400A (depending on model) and a dedicated PLC to store test parameters (in automatic models), perform test procedure, make the millivolt drop & junction resistance measurements and store test results, that can be retrieved later or downloaded to PC. PC based TestWare can display the test results & export those to Office, HTML, Printer or PDF. The manual models consist of the constant current source, digital ammeter and a digital millivolt meter with 3 ranges.
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Product
DC Bias Current Power Supply
TH1775
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Shenzhen Chuangxin Instruments Co., Ltd.
TH1775 is a DC Bias Current Source (or DC Magnetization Current Source) used for inductance measurement of inductors and transformer windings with DC bias current. Except for constant current output, low additional error and wide frequency response range are important for bias current inductance measurement. High frequency LCR meter could be used, when the frequency response range is wide enough. MPU controlled auto current balance technology is adopted to realize AC+DC current overlap and constant current output from 0 to ±20A. Two TH1775 can be paralleled to supply a maximum current up to 40A.TH1775 permits high frequency measurement up to 1 MHz and can be directly controlled by TH2816A, TH2817A, TH2818 and TH2819. TH1773/TH1775 with its low additional error, wide frequency response range and sweep output function is widely used in DC biased inductance measurement. TH1775 also provides a perfect solution for magnetic material analysis.
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Product
PXI-2565, 16-Channel, 7 A, SPST PXI Relay Module
777754-01
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16-Channel, 7 A, SPST PXI Relay Module—The PXI‑2565 is a general-purpose switch module that features independent single‑pole single‑throw (SPST) Form A armature relays. It delivers high-current switching of DC power supplies, AC line power, and AC/DC current sources. The PXI‑2565 is fully software programmable and supports multiple instrument synchronization.
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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
External DC Bias Adapter
16200B
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The 16200B test fixture is designed to operate with high frequency LCR meters and impedance analyzers. It allows you to supply a bias current across the device of up to 5 Adc through a 7 mm port by using an external DC current source.
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Product
Power Supply POWERLAB 305D
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high precision current sources with variable voltage and current over the entire range . They can operate in different modes of stabilization voltage or current switched automatically with adjustable limit value of the load current at any point in the range.
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PXI Battery Simulator Modules
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These PXI battery simulators are designed to simulate the power supplies of portable battery powered equipment and the single cell (model 41-753) is particularly suitable for cell phone testing. These modules can source current to simulate a battery supply or sink current to simulate a battery under charge.
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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.





























