Current Sources
See Also: Programmable Current Sources, Battery, Voltage Current Sources
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Wide Band Current Sources
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Ultra-precise laboratory instruments designed to deliver highly accurate AC and DC current outputs across wide frequency ranges.
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SpikeSafe DC Current Sources
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The Vektrex SpikeSafe DC Current Sources provide reliable drive for LED/laser diode reliability, IESNA LM-80 test, and other current-driven test applications. Models support currents from 500mA to 60A and compliance voltages from 50V to 400V. All models feature individual channel control, precise current, and high power density — typically 6.4kW-8kW.
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Precision Current Sources
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HighFinesse Precision Current Sources have been developed for experiments and quantum technologies in the areas of cold-atom and solid state physics. The linearly regulated BCS (Bipolar Current Source) and UCS (Unipolar Current Source) series deliver highly stable, low noise source currents for high precision magnetic field control. The current output is floating or is on a used defined potential. Ultrafast response to control signals and trigger functions, clear grounding, connection and signal isolation schemes make the integration of the current sources into complex experimental systems easy.
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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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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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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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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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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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Three-Phase Relay Test Equipment
AK-10
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The new AK-10 three-phase relay test equipment from Amperis features AC and DC Voltage Source ; AC Current Source ; AC/DC Auxiliary Power Source ; 8 possible configurations.
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Four Terminal Precision Resistors
AH
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A-H resistors are constructed with four terminal, isolated voltage and current connections(.i.e. Kelvin Connection) making them suitable for very precise current measurements, current limitations and current regulation in power units, current sources and electronic loads.
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Product
Pt RTD Temperature Monitor
SIM923
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Stanford Research Systems, Inc.
The four channels in the SIM923 have independent, stable 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
Turns Ratio Meter
Model TRM200
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Turns Ratio Meter Model TRM200 is widely used in transformer industry in manufacturing and repairing service. It directly display the ratio of LT turns & HT turns. It is capable to measure turns ratio till 1:1200. Turns ratio meter is designed to be a rugged and reliable. It is equipped with stable 250mA source. The design is based upon in-house invented & patented technology. TRM200 has also option for 1amp current source on demand.
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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
PXI Isolated Single Channel Voltage/Current Source, 100V
M9186A
Source Measure Unit
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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Calibrator, 0 to 24 mA, Current, 185 mm, 78 mm, 38 mm, ± 0.5%, 265 g
72-6694
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*Adjustable 0 to 24 mA current source*Current calibrator drives loads up to 500 Ω*Large LCD display*Sampling Time : Approximately 0.4 seconds*Over Input Indicator : 1*Operating Temperature : 0°C to 50°C ( 32°F to 122°F)*Size : 185 × 78 × 38 mm (7.3 × 3 × 1.5 inches)*Weight : 265 g (0.58 lb) including battery*Requires one 9 V battery - not included*12 month limited warranty *view Terms & Conditions for details
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Automated ANSI Meter Tester
4 Series
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The PowerMaster® 4 Series Automated ANSI Meter Tester boasts many features that make it the most functional, versatile, and user-friendly meter tester on the market today. It is a closed-link meter testing solution that sources current up to 30A or 50A (depending on model) and operates on all voltages up to 530V with no switch changes required. Our automatic meter testing equipment also facilitates testing of most ANSI socket-based meters using our newly-engineered universal zero insertion force meter socket.
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AC-DC High Voltage Power Supplies
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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 are on a pluggable terminal block that functions as a connector, providing wiring convenience and permitting easy and rapid connect/disconnect. Outputs are arc/short circuit protected.
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50Hz-100kHz LCR Meter
11022/11025
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Chroma Systems Solutions, Inc.
0.1% basic accuracyTransformer test parameters (11025), Turns Ratio, DCR, Mutual Inductance0Hz, 60Hz, 100Hz, 120Hz, 1kHz, 10kHz, 20kHz, 40kHz, 50kHz, 100kHz test frequencies21ms measurement time (≥100Hz)Agilent 4263B LCR Meter commands compatible4 different output resistance modes selectable for non-linear inductor and capacitor measuringHigh resolution in low impedance(0.01mΩ) and high accuracy 0.3% till 100mΩ rangeAdjustable DC bias current up to 200mA (constant 25Ω) (11025)1320 Bias Current Source directly control capability0.01mΩ ~ 99.99MΩ wide measurement range (4 1/2 digits)Dual frequency function (11022 option) for automatic productionBIAS comparator functionComparator function and 8/99 bin-sorting functionPass/fail judge result for automatic productionHandler interface trigger edge (rising/falling) programmableTest signal level monitor functionStandard RS-232, GPIB, and Handler I/FOpen/short zeroing, load correctionLabView® Driver
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16-Channel RTD Signal Conditioning Card
ProDAQ 5821
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The ProDAQ 5821 series of Signal Conditioning Cards is designed to interface with a variety of sensors, principally RTDs, Thermistors, Cryogenic Diodes and Voltage type sensors. Each version of the 5821 provides the capability of precise 4-wire measurement. In order to achieve this, a precise 500μA constant current source is provided per channel. The current source can be disabled on a per channel basis and is monitored to ensure that current is flowing. The value of the output current is stored on-board after calibration. In order to achieve the highest accuracy the output current may be automatically calibrated 'on-the-fly' using the ProDAQ 3416 24-bit Sigma-Delta ADC card and an on-board precision resistor.
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Isolated 16-Bit Analog Output Board
MSXB 076
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The Microstar Laboratories Isolated 16-Bit Analog Output Board, part number MSXB 076, provides isolated analog outputs for Data Acquisition Processor (DAP) systems. Use these boards to eliminate ground currents – a potential source of noise in your measurement and control signals – as well as to eliminate phase errors from analog outputs in your application.
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Power Supplies
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A power supply is an electrical device that supplies electric power to an electrical load. The main purpose of a power supply is to convert electric current from a source to the correct voltage, current, and frequency to power the load.
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PC Based High Current Test Set for Circuit Breakers and Temperature Rise Test Equipment
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This equipment comprises of high current source for testing of circuit breakers with additional facility for temperature rise testing (thus incorporating testing for moulded case, vacuum & air circuit breakers as per IEC 60947-2). The system integrates a servo controlled source with closed loop current feedback to maintain the current constant. It has the necessary instrumentation for maintaining current at full load & other conditions arising in testing at high current. The bench has a PC based control system with temperature data logger (24 channel with ch-ch isolation amplifiers). The data logger displays as well as stores a set of temperature values with time.
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Product
Adjustable High Frequency Reference Ballast
HCS-109A
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HCS-109A Adjustable High Frequency Reference Ballast also called High Frequency Current Source. Comparing to IEC Test Method, HCS-109A is an Equivalent Test Method which is economic solution. HCS-109A equipped with Spectrophotometer & Integrating Sphere Test System. It can also measure the photo, color and electricity parameters for high frequency fluorescent lamp.Specifications: • Input voltage: 200V~240V, 50/60Hz • Input Power: 80 W max • Output Current: 130mA~400mA (Adjustable), accuracy: +/- 1% • Output Frequency: 25kHz< +/-2.0% (Adjustable), accuracy: +/- 0.3kHz • Output current total harmonic wave distortion: THD<2.5% (HF current wave)
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Mobile Communications DC Sources (45 W, 100 W):
663xx Series
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Use this family of specialized DC power sources to test your digital wireless appliances. All models offer DC sourcing, current sinking, fast transient response, GPIB, and measurement capabilities to help you with the unique challenges of simulating batteries and battery packs and measuring the current drawn by your device under test.
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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
Surge/wave Simulators
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Suzhou 3ctest Electronic Co.,Ltd.
Surge pulses occur due to direct or indirect lighting strokes to an external circuit. This leads to current or electromagnetic fields causing high voltage or current transients. Another source for surge pulsed is switching transients originating from switching disturbances and system faults.
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Benchtop Measurement Bundle With SMU
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The Benchtop Measurement Bundle provides a PXI Express- and Thunderbolt™-based measurement system that features a chassis with a high-bandwidth, all-hybrid backplane. With the SMU, you can make use of precise voltage or current sourcing and measurement capabilities for PXI systems. Additionally, you can use analog-to-digital converters to help you perform high-precision measurements.Thunderbolt is a trademark of Intel Corporation or its subsidiaries in the US and/or other countries.
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Product
Solar Array Simulator DC Module, 65V, 8.5A, 510W
E4361A
Simulator
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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Capacitor for DC Filtering
FIL1
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Lifasa - International Capacitors, SA
FIL condensers are specially designed for use in direct current sources and their functions are to filter the alternating output ripple and protect the line from instantaneous peaks and surges of tension.
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Three Phase Power Sources
PS3
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The PS3 three phase power source was designed to provide a stable alternating current and voltage source for three phase electricity meter test equipment.





























