Excitation Current
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Current Sources
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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Digital Leakage Current Tester
Educated Design & Development, Inc.
Fast - All operator controls are located on the front panel to expedite testing. The entire test can be performed in a matter of seconds! Pays for itself in time and stress savings. Versatile - Measures Leakage Current in accordance with UL, CSA, EN, and IEC/ International Standards. Includes ability to perform open neutral, open ground, and line polarity forward/reverse test conditions. Adaptable - Universal rear panel receptacle allows for testing products with any plug configuration. Accurate - True RMS meter accurately measures both sinusoidal and non-sinusoidal waveshapes. This is important when testing products using a switch mode power supply which can generate non-sinusoidal leakage currents. Calibrated, traceable to NIST. Flexible - A front panel switch permits testing either through the power cord of the product under test, from surface/ patient connection-to-ground, or from surface/ patient connection-to-surface/ patient connection. Portable - Lightweight, with integral handle. Other Features - Product Ground Switching (grounding conductor maintained to device under test when not measuring leakage). Automatic front receptacle disconnect when configured in the 240V test mode (prevents inadvertent connection of 120V when configured for 240V operation). Proven - These are the only leakage current testers designed and supported by Product Safety experts. That is part of the reason why they have become the standard in the industry. Full technical support by experienced safety engineers.
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DC Bias Current Source
TH1778A
Changzhou Tonghui Electronic Co., Ltd.
The instrument adopts a new generation AC/DC superposition test theory to adapt test requirements for high precision and high frequency. The built-in embedded MCU with high-performance can quickly respond to host and slave machine condition or malfunction and make real time indication, which helps improve the work efficiency. The new designed friendly graphical operation interface, included 5-foot control modes and full touch operation provides convenience and efficiency for users. New file management system with easy, prompt and accurate operation can save a group of real-time setting file and 99 groups of user defined setting files. It can provide pushed information indication and cache 2 real-time information. Being provided with two modes of SCPI instruction systems, it is convenient to set up production lines or single machine test. Also, it can connect with any device with serial port and which refer to the SCPI instruction system design of this machine.
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Current Loop Expansion Kit
OP-SB85C
This expansion kit supports current loop communications.The kit incorporates a communications circuit with photo-coupler isolation and constant-current power supply of insulated type, thus realizing not only monitoring but also easy communications testing with passive or active current loop devices.
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Single-Stage Current Sensors
The robust low-noise single stage current sensors are available with input inductances from 24 nH to 1.8 µH and a flux noise of 1.2 µPhi0/sqrt(Hz).
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Current Preamplifier
1211
The model 1211 Current Preamplifier was designed to provide all of the features required of a modern laboratory preamplifier. It measures cur rents with full scale sensitivity ranging from 10 to 10 amperes.
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High Frequency Current Transformer
HFCT
The HFCT is a high frequency current transformer designed specifically for picking up partial discharge signals. It has a split core ferrite to allow retrospective fitting to earth straps without the need for disconnection. The durable body has a hinge and a quick release latch, making use quick and easy. The HFCT is constructed with an aluminium body to provide RF shielding and improved performance in noisy environments.
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Energizer RED Vibration Exciter for Buzz, Squeak & Rattle (BSR) Testing
Energizer Red Vibration Exciter
The Energizer RED Series is part of a family of extremely quiet vibration exciters. The Series is ideally suited for the support of subjective and objective BSR evaluations according to industry test specifications, such as GMW14011, GM7293TP, BMW PR311-2 or PSA “Specification bruit parasites”, as well as several Hyundai Engineering Standards. With availability in four unique models and sizes, the Energizer Series is expressly designed to support such evaluations, while reducing the risks of measurement uncertainty caused by unwanted vibration exciter noise occurring within the BSR test environment.
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Leakage Current Tester
2675
Shenzhen Chuangxin Instruments Co., Ltd.
RK2675 series Leakage Current Tester is used to measure the electrical insulation quality and products’ safety performance of the main indicators.
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SpikeSafe DC Current Sources
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 Measurement
Measurements International Ltd.
No Stabilization Period, No Power Coefficient, No Temperature Coefficient, DC and AC Operation, 3000 A Max Current DC.
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High Frequency Current Transformer
HFCT Ø 140mm
Techimp Clamp High Frequency Current Transformer model 140 is an inductive sensor for partial discharge measurements. It is suitable for online /off line PD tests on : large diameter cables ; grounding rod bar ; etc. A TNC termination is available to connect the Clamp HFCT 140 to the TechImp PD analyzer : PDCheck , PDBase etc. The arrow indicates the requested input current (Iin) direction to get coherent output voltage (Vout) polarity respect to ground. When the sensor is installed with the arrow directed to ground, the detected voltage signal (Vout) has the same phase of the input current (Iin).
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Current Differential and Overcurrent Relay
SEL-387
Schweitzer Engineering Laboratories, Inc.
Protect and control any two-, three-, or four-winding power transformer with the SEL-387, which provides thermal and through-fault monitoring, and with SELogic Control Equations, can detect breaker failure.
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Power Supply and Current Monitor
DC Connect
DC Connect enables measurement of current consumption of battery operated and other low voltage devices such as hearing aids
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Current Preamplifier
1212
The Model 1212 Current Preamplifier is designed as a low cost, gerenal purpose, benchtop instrument to provide a high performance detection system for small ac and dc currents. The 1212 operates with a virtual ground at its input which mitigates unpredictable high frequency rolloff due to input cables and stray capacitance.
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Current Meter
Model 106
The Model 106 is the ideal instrument for coastal and estuarine applications and other light-duty survey work.
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AC Current Clamp Meter
3280-10F
AC Current Clamp Meter with Broad Operating Temperature Range, Attachable Flexible Sensor, and Drop-Proof Durability
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Portable Voltage and Current Instruments
Each model in our portable test equipment range is designed for accuracy and reliability, providing high performance and ease of use for applications. Products are used in various lab and field applications across industries such as research and development, semiconductor, and process control. For higher range electrical source and measure we have a series of bench multifunction calibrators and multimeters.
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IEC Current Transformer Burden
• Burdens of 1A and 5A for IEC & ANSI specifications are available • 40VA, 20VA, 10VA, 7.5VA, 6.25VA, 5 VA and different combinations of these at 0.8 PF 3.75, 2.5, 1.25 & 1VA at 1.0 PF
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Current Sense Amplifiers
Analog Devices’ current sense amplifiers offer excellent performance for a wide array of automotive and power management applications. These devices accurately amplify small voltages in the presence of large common-mode voltage, and provide high bandwidth, as well as level shifting and bidirectional capability. Excellent dc and ac accuracy over a wide temperature range from –40°C to +125°C minimizes errors in your measurement loop while not sacrificing on cost and package size.
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Phase Meter Current Shunts
610 and 650
Clarke-Hess Communications Research
The Model 610 and 650 Current Shunts are specifically designed to operate with the Model 6000A Precision Phase Meter. These shunts are frequency tuned to have negligible phase shift (less than 5m) at 50/60Hz making them ideal for line frequency applications. They can also be idealized for other frequencies as specified by the user. Consult factory for details.
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Leakage Current Clamp Tester
M-1141
MULTI MEASURING INSTRUMENTS Co., Ltd.
・Auto 5-range : AC 30mA / 300mA / 3A / 30A / 300A・CT inside diameter : φ40mm・Minimum resolution : 0.01mA・Maximum value hold / Data hold function available・Band path filter with center frequency(fo = 55Hz)・Compliant with EN 61010, CAT-III 1000V / CAT-IV 600V・With backlight
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Leakage Current Alarm Signaler
MPU-1
MPU-1 is dedicated to control (measure) leakage current in AC, low and medium voltage power networks. It is designed to make measurements, which results define network's safety condition for leakage current. The device enables to set limit for maximum safe value of flowing leakage current and for values above this limit visual and sound alarm is activated.
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AC and DC Current Sources
Programmable AC and DC current sources that provide precise, low noise, stable currents for a number of applications.
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AC Current Shunts
CSA Series
Ohm-Labs’ CSA series of ac current shunts are designed as laboratory standards for ac current measurement up to high frequencies.
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DC Precision Current Sources
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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Eddy Current Dynamometers
WT Dyno
Our WT series eddy current dynamometers are mainly used in the development and testing of all types of prime mover, as well as various engine assemblies. Due to their robust design, which incorporates improved control characteristics, they can be used both as steady state and as transient test stands.Their high speeds for automobile engine testing and their optimised cooling chamber, are convincing arguments that speak for themselves. All WT type dynamometers are suitable for operation in both directions of rotation.
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AC Leakage Current Tester
229-2
Testing for dangerous small leakage currents is easy with the Simpson Model 229-2 Leakage Current Tester. For use in appliance field service, in the lab, or in production, the 229-2 approximates the human threshold of perception in detecting hazardous AC leakage current. The 229-2 comes with test leads with alligator clips, manual and batteries.
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Through Hole type DC Current Sensor／for Load Current Measurements
MOHT-600B Open loop method
MULTI MEASURING INSTRUMENTS Co., Ltd.
*Hall effect measurement for DC/AC/Pulsed current.*For the use of UPS, batteries, switching power supply, DC motor drivers, etc.
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SparkFun Current Sensor Breakout
INA169
The INA169 is a “high-side current monitor,” which means that you place a resistor (a “shunt resistor”) on the positive power rail and the INA169 measures the voltage drop across that resistor. The INA169 outputs a small current based on the measured voltage drop. If you place a resistor from the output of the INA169 to ground, you can measure the voltage at the output.
