Current Sources
See Also: Programmable Current Sources, Battery, Voltage Current Sources
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Product
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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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 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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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 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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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
Jandel Test Unit
ResTest
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The new Jandel ResTest Test Unit is a constant current source and digital voltmeter with large colour screen, supplying constant currents between 1uA and 10mA, and measuring voltages from 0.04mV to 4000mV.
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Product
DC Bias Current Source
FD1772B
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• Constant DC output 0-6A• Auto or manual current sweep output• 5 current range output• Output voltage range: 0-11.5V• Current accuracy ± (1%reading + 2digit)
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Product
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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Analog Input Products
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Analog input boards are useful for measuring variably changing conditions in the real world. When we want to measure these variably changing conditions, we need analog inputs to convert these changing real world conditions to changing electrical quantities. For example, monitoring the temperature inside a wood kiln, or the water pressure on the output of a pump, or the heart rate of a medical patient. In each of these cases, you can use one of our analog input devices to convert the electrical data from a sensor or transducer into binary data that can then be used by your computer. The device that converts this data is known as an analog to digital converter (abbreviated ADC, A/D, or A to D). An analog input is a measurable electrical signal with a defined range. The analog input changes continuously in a definable manner in relation to the measured property. This data is very useful for process monitoring, process control, or simple monitoring / data collection and acquisition. ACCES' analog input boards amplify and multiplex input signals from thermocouples, strain gauges, accelerometers, photo sensors, flowmeters, RTDs, thermistors, voltage sources, millivolt sources, and current sources, just to name a few.
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Product
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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Product
16CH Battery Cell Simulator
Chroma 87001
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Chroma Systems Solutions, Inc.
Chroma 87001 Battery Cell Simulator is a high precision, programmable, and bidirectional DC power source with both voltage source and current source functions. In addition, the model can be used as a multi-channel DC power supply or an electronic load as well. A single simulator has 16 channels and each of them can set voltage and current respectively via Chroma software.
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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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Enhanced 24 Discrete I/O Channels (0 to 60 VDC, 500 mA/Ch.)
DT4
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The DT4 module (the enhanced version) features 24 programmable channels for 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. These modules can sense broken input connections and whether an input is shorted to +VCC or to ground. Additional features of the DT4 (Enhanced Version) are listed below.
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DC Power Supplies
SFA Series
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AMETEK Programmable Power, Inc.
The SFA family builds on the industry leading Sorensen SGA series to provide a high power current source for laser diode applications. State of the art high power laser diodes require well-regulated current control to avoid catastrophic damage. Under anomalous operating conditions, excessive stored energy in the output circuit of the power supply can result in peak stresses that can permanently damage the device. Providing a constant current regulation mode only, the SFA’s low stored energy output minimizes damage potential for sensitive devices as well as enabling a current slew rate of up to 400 A/msec.
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Product
mA Loop Calibrators
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AMETEK Sensors, Test & Calibration
Our mA loop calibrator is an economical and easy-to-use calibration device for sourcing and measuring mA signals. Measure and source current to 24 mA and measure voltage to 45 VDC. Combine our 24VDCPS with one of our handheld pressure calibrators to calibrate transmitters in the field.
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Product
Single Phase Site Energy Meter Test Instrument Type KP-P1001-A
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Bofa Instrument & Equipment Co., Ltd
Single phase site energy meter test instrument type KP-P1001-A (without voltage and current source) is an ideal instrument to test all kind single phase energy meters accuracy below 1.0, especially for meters on site. During tests, the tested meter must be on load condition (that means the tested meter must be working). The instrument tests the errors by comparing energy impulse from the tested meter with energy impulse from the reference meter inside the instrument.
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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
3U OpenVPX Multichannel Discrete I/O Board
68DT1
Multifunction I/O
The 68DT1 is a 3U OpenVPX™ board featuring up to 96-Channels of Standard Functionality (SF) DT1 module-type or Enhanced Functionality (EF) DT4 module-type Discrete I/O functions [foptioned, factory configurable].48-Channels are dedicated as input (voltage or contact sensing with programmable, pull-up/pull-down current sources). An additional 24 or 48-Channels are programmable for either input or output (current source, sink, or push-pull) switching up to 500 mA per channel from an applied 3 – 60 V external VCC source (or sink to ISO-GND). The 68DT1 can sense broken input connections and whether an input is shorted to +VCC or to ground. Additional features of the DT4 EF are listed below. The 68DT1 offers unparalleled programming flexibility, a wide range of operating characteristics, and a unique design that eliminates the need for pull-up resistors or mechanical jumpers.
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Product
Burn-in Board Continuity Tester
CT-1
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Burn-in Board Coninuity Tester. Verifies burn-in board continuity and component tolerances. 768 I/O channels, can be forced to the constant current source or grounded independently. Highly accurate measurement of resistance, voltage, and capacitance using a pair of precision instrumentation amplifiers.
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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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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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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
DC Constant Current Source
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SCR ELEKTRONIKS have developed equipment namely“DC CONSTANT CURRENT SOURCE”. The system comprises of Constant Current Sources having ranges: 900A continues & 3000A short time at 8V maximum.
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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
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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High Current Comparators And Power Supplies
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Designed in 3D, this custom unit fills the gap between the comparator manufacturers and the production floor. Vidac Solutions does not manufacture CT Comparators, but this unit (and others like it) are used to provide the complex high-current switching, buss-work, source current supply into an enclosure that fits into the production line and provides a safe, ergonomic and easy to use machine for the operators.
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Product
Calibrator, Calibrated w/Data, Current, 185 mm, 78 mm, 38 mm
72-6694 CAL D
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The 72-6694 CAL D 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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Analyzers of batteries
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LLC "Megaron" develops and manufactures instruments for measuring parameters of various chemical current sources, devices for testing batteries. This equipment of varying complexity, from simple, designed for a specific battery, with the possibility to universal computer monitoring processes.
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Product
PXI-4130, ±20 V, ±2 A DC, 40 W PXI Source Measure Unit
779647-31
Programmable Power Supply
±20 V, ±2 A DC, 40 W PXI Source Measure Unit - The PXI‑4130 is a programmable source measure unit (SMU). It has a single isolated SMU channel that offers a four-quadrant output that incorporates remote (4‑wire) sense. With its five current ranges, it is ideal for transistor characterization that requires accurately sourcing a constant current or voltage while sweeping another current. The PXI‑4130 also includes a utility channel that can source either current or voltage. This PXI SMU can act as either a constant voltage source or a constant current source, with a settable compliance limit for either mode. In addition, you can enable remote sense on the SMU channel to maximize voltage output and measurement accuracy on your device under test (DUT) for high-precision applications.
