Current Sources
See Also: Programmable Current Sources, Battery, Voltage Current Sources
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Product
Configurable Reostat or Potentiometer Module
YAV90084A
Programmable Potentiometer
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
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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Product
DPS & PMU
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Analog Devices parametric measurement units (PMU) and device power supply (DPS) products provide a flexible range of voltage and current source/measurement capability to meet a wide range of cost-sensitive test application needs. The DPS will source currents to 1.2A and multiple devices can be ganged for even higher power applications.
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Product
Isolated Analog Expansion Board
MSXB 085
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The MSXB 085 Isolated Analog Expansion Board provides isolated analog inputs and isolated analog outputs for DAP systems. Use these boards to eliminate ground currents – a potential source of noise in your measurement and control signals – and eliminate timing skew.
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Product
Gaussmeter
DX-103
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DX-103 Gaussmeter is a desktop gaussmeter.Which is based on he latest progress of the the Hall Effect magnetic field measuring instrument.Adapt the high stability constant current source circuit technology to design and manufacture. Test probes adapt imported GaAs linear Hall-chip, the difference between probes is small, which can be replaced directly when it is damaged, and is an ideal AC & DC magnetic field test instrument.
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Product
Micropower Voltage Reference
ISL21010
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The ISL21010 is a precision, low dropout micropower bandgap voltage reference in a space-saving SOT-23 package. It operates from a single 2.2V to 5.5V supply (minimum voltage is dependent on voltage option) and provides a ±0.2% accurate reference. The ISL21010 provides up to 25mA output current sourcing with low 150mV dropout voltage.
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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
Three Phase Secondary Current Injection Test Set
TEST-330B
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Beijing GFUVE Electronics Co.,Ltd.
Three phase secondary current injection test set is testing relay set, protective device, instruments, output ac dc current and voltage source, embedded Window XP system.
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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
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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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
Temperature Rise Test Panel
2000A
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SCR ELEKTRONIKS have developed “TEMPERATURE RISE TEST BENCH FOR MEDIUM VOLTAGE SWITCH BOARDS” to measure rise in temperature at various points as mentioned in standard at junctions. The set-up consists of a True RMS Constant Current Source (to maintain the Current within + / - 1 % of set value with Digital Indication), PC based control system, Temperature data logging on PC, Servo-Controller and other indications. Digital voltmeter Primary Voltage) indicates the position of auto transformer (variac).
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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
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
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
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
PXI Instrumentation Modules For Automated Test Systems
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PXI-based test systems often require a variety of general-purpose instrumentation such as digital I/O, waveform generators, voltage & current sources and DUT power supplies.
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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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Product
Ultra Stable Current Sources
6623A-PCS
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Guildline Instruments 6623A-PCS Series of DC Precision High Current Systems introduces new patented designs to provide the best uncertainties of any DC high current sources (i.e. typically < 5 ppm at 1000 A) and the best in modularity.
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Product
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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Product
CT/VT Test System
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Fully pre-wired comprehensive turn test system. *Suitable for CTs up to 6000A & VTs up to 132kV. * Precision to (0.005 class) internal multi-ratio standard CT. * Internal 4KA current source. * State-of-the-art Instrument Transformer Test Set AITTS-98 with computer & printer interfaces. * Electronic potential divider facilitates testing any VT ratio upto 132kV. * Current & potential burdens.
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Product
Isolated Analog Input Expansion Board
MSXB 084
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The MSXB 084 Isolated Analog Input Expansion Board provides isolated analog inputs for DAP systems. Use these boards to eliminate ground currents – a potential source of noise in your measurement and control signals – and eliminate timing skew.
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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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Product
650nm Visual Fault Locator
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Shanghai Baudcom Communication Device Co.,Ltd.
Visual Fault Locator series Visual Fault Locator uses the DFB-LD as the emitting component. Driven by constant current source, the indicator can emit stable red laser.The product can be used to inspect fiber failure when they connect with optical interface and be inserted into single mode or multi mode optical fiber.It is indispensable tool in fiber project constructing, fiber net-work maintaining, optical component manufacture and research.
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Product
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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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
Calibrator, Calibrated, Current, 185 mm, 78 mm, 38 mm, ± (0.25% FS +1 digit), ± (0.5%FS + 1 digit)
72-6694 CAL
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The 72-6694 CAL 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
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
Hall Effect Measurement system
HMS-5000
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Constant current source + Van der Pauw method terminal conversion system
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Product
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.





























