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Zero Resistance Ammeters
measure galvanic current and resistance. Also known as: ZRA
See Also: Ammeters, Nanoammeters, Picoammeters
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Zero Resistance Ammeters
Current sinks are electronic circuits which can sink electric power in a controlled manner, thus acting as controlled loads. Our current sinks are designed as four - quadrant current sinks which can feed and sink currents in both polarities (also disregarding the polarity of the resulting voltage).
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Field Machine
The Portable Field Machine is our most versatile full specification corrosion testing instrument. Its rugged construction and protective water resistance IP68 enclosure enables it to be operated at extreme locations throughout the world. This instrument takes laboratory precision outdoors to oil rigs, pipelines, concrete walls and just about anything that needs corrosion monitoring in situ. The potentiostat, ZRA, integral Frequency Response Analyser and Sweep Generator are exactly as provided in the laboratory Gill 8 model ensuring the most accurate testing available. The choice of tests is not limited; the AC, IR Compensation and DC tests plus the Sequencer and Analysis that are supplied with this field instrument are the same as supplied with the laboratory instruments.
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Ammeter
Gill AC
ACM's flagship instrument offers a Potentiostat, Galvanostat and Zero Resistance Ammeter with integrated Frequency Response Analyser and Sweep Generator in one.Electrochemical tests such as AC Impedance (EIS) and standard DC tests including LPR and current and voltage noise are included, making this instrument extremely versatile and great value for money.To better meet your specific needs why not customise your instrument with our options, so versatile are our instruments that many options are even available to be fitted retrospectively, making our instruments the right choice now and for the long term.
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Parallel systems
Did you know you can couple several Gill AC, Gill 12 and Weld Testers together or any combination of Gill AC, Gill 12 or Weld Tester, to give you a parallel logging multiple Potentiostat / Galvanostat / ZRA / FRA system, capable of recording from each working electrode at up to 60 readings per second. Coupling several Gill ACs or Gill 12s together gives the added abilities of the Weld tester and the ability to perform fast sweeps. Using our latest software, it has never been easier to couple instruments together to provide a Parallel System. In fact up to 32 instruments can be controlled at the same time. These instruments can either have individually enclosures or be rack mounted.
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Weld Testers
The Weld Tester is our most versatile electrochemical monitoring instrument. Housed in a substantial metal case with brushed anodised aluminium front panel and green military specification connectors this equipment looks functional and professional. The top row of connectors are exactly the same as provided on a Gill 12 whilst the bottom row are for the additional weld segments. Using the same Potentiostat, Galvanostat, Zero Resistance Ammeter with integrated Frequency Response Analyser and Sweep Generator as a Gill 12 allows all the tests supplied with the Gill 12 to be supplied with the Weld Tester.
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Galvanostat and Zero Resistance Ammeter
This instrument offers a Potentiostat, Galvanostat and Zero Resistance Ammeter with integrated Frequency Response Analyser and Sweep Generator in one. It is based around a two Amp Potentiostat teamed with a two Amp Zero Resistance Ammeter and can be supplied as - 6 channel, with six sequential channels, 8 channel (eight sequential channels) or 12 channel (twelve sequential channels). Connection to the controlling Windows PC is via a standard RS232 port, optically isolated for full floating operation. The instrument is supplied with a full set of cables and software, user manual and application notes on CD.
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Ammeter
AC Moving Iron Meter
Moving-iron instruments are generally used to measure alternating voltages and currents. In moving-iron instruments the movable system consists of one or more pieces of specially-shaped soft iron, which are so pivoted as to be acted upon by the magnetic field produced by the current in coil.
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Ammeters
*Measures AC current from 1 to 2000 Amps on system voltages up to 500kV line-to-ground*Stores the last 4 readings*Dual measurement modes, peak hold and real time*Takes spot-load checks with ease*Verifies phases are balanced*Versatile for overhead and underground applications*Compact, lightweight design
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Hook Ammeters
Designed with a hook detector, wireless receiver, and telescopic insulating rod. With telescopic insulating rods connected, it can test leakage current, current, frequency, load, and others for bare conductors, bus bars, or cables with safety insulation sheaths.
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High Voltage Ammeter
Ampstik®+
Use the Ampstik+ to safely take accurate current measurements when performing high voltage live-line load checks for balancing, switching, or breaking load. This high voltage ammeter measures in every electric utility setting with a linear current sensor to accurately measure .5A to 5000A, while in voltage environments up to 500kV. The opening of the amp sensor is electronically closed, while external currents are electronically rejected. This design enables the user to measure an individual conductor within close proximity to adjacent conductors without interference errors.
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Ammeter Recorder
Beijing GFUVE Electronics Co.,Ltd.
The accuracy, external current reject, and range of currents measured by the patented amp sensor substantially exceed the performance of the best clamp-on sensors.
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Zero Chamber
The Mu-Metall-Chamber shields hall probes against the earth's field and therefore allows "zeroing" protected from external effects.
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Zero Phase Current Transformer
MZL-30
MULTI MEASURING INSTRUMENTS Co., Ltd.
Split-core type for measuring zero phase current
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Zero Field Cavity
Zero field cavities generate a zero magnetic field in an air gap. They are mainly used to calibrate hall probes for their zero scale value of output for the magnetic field strength H or the magnetic flux density B they measure. For example Gaussmeters can be calibrated by using Zero Field Cavity.
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Resistance Meter
MS8-2L
M-module MC8-2L is a mezzanine module designed to measure resistance using a two-wire measurement scheme in eight channels (eight-channel digitizer). М-module МС8-2Л is installed on the mezzanine carrier - NM module and is connected to it via a local information highway. Up to four m-modules of various types can be installed on the HM module. The NM module, together with the m-modules installed on it, forms a VXI module of size C-1 and is used to create information measuring VXI systems.
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Insulation Resistance Testers
Shanghai Beha Electronics Co., Ltd.
*This is a variable high voltage insulation tester from 500V to 15kV in 500V steps.*The is menu driven and uses Dynamic Current Auto ranging technology.*It has a Bar-Graph which displays the voltage stressing the insulation while the test is in progress and the voltage decay during the automatic discharge of the tested circuit.*The top line of the display shows the elapsed time at the start of the test. Digital readout of the total time will remain displayed even after testing has ceased.*A 4-digit display (2000 counts) is showing the actual insulation resistance.*This instrument displays a voltage warning and sounds when AC or DC is present before injecting the test voltage.
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Yellowing Resistance Chamber
Sataton Instruments Technology CO., Ltd
Yellowing resistance chamber also called as discoloration meter is the professional testing instrument for measurement of yellow resistance performance by simulating sunlight. It is a useful tool for testing the yellowing resistance property of light color materials or products such as white thermoplastic polyurethane elastomer shoe sole or light synthetic materials. The chamber can also be used for printing and packaging industry for deploying chemical dyes.
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Resistive Current Tester
Weshine Electric Manufacturing Co., Ltd
Long Distance Digital Zinc Oxide Arrester Resistive Current Safety Testing Set
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Insulation Resistance Testers
.Multi Test Voltage .Auto range .LCD background light .Data hold .INSULATION RESISTANCE TESTER
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Concrete Surface Resistivity
Surf
Giatec Surf™ is a laboratory test device for rapid, easy and accurate measurement of the surface electrical resistivity of concrete based on the four-probe (Wenner-Array) technique. The Surf™ patented technology automatically measures resistivity around the concrete specimen using four channels of 4-probe array (located at 90° from each other). The PC software generates the required reports according to the standard specifications.
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Low Resistance Ohmmeters
Some times know as Ducter testers, these are highly accurate, easy to operate instruments that measure resistance with resolution as fine as 0.1 micro-ohm. Digital micro-ohmeters and DLROs measure contact resistance of switch and circuit breakers, aircraft frame bonds, and rail and pipeline bonds just to name a few of the applications. Megger has models available for testing using test currents from 0.5 mA to 200 amps covering a multitude of applications that require precise low-resistance measurements.
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Earth Resistance Tester
Weshine Electric Manufacturing Co., Ltd
specially designed and manufactured for the field measurement of ground resistance, adopts digital and micro-processing technology, 3 wire or 2 wire method to measure ground resistance, with unique calibration function for wire resistance, anti-interference ability and environmental adaptability, to ensure the long-term measurement of high precision, high stability and reliability; The instrument out shell adopts waterproof protection case, anti-collision, anti-fall, waterproof (protection grade IP65),which is strong, safe and durable, the instrument is also equipped with large capacity rechargeable lithium battery pack, especially suitable for outdoor construction site to use.
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Electronic Store Of Resistances
PS8
The module is intended for use as part of information measuring systems based on the VXI bus for software setting of resistance values with a given step along three independent channels.
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Decade Resistance Box
TEK903
The TEK903 is a very reliable decade resistance box with high quality rotary switches providing in-line readouts. Ideal for laboratory, educational and calibration applications. The extra terminal forms an accurate potential divider.
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Resistivity Test System
RMS-1000
Accurate and powerful performance. - Possible to get much accurate resistivity value by taking 8 raw data. - Good to check ohmic contact by flowing forward and reverse current.2. We provide various sample mounting board and probe head and tips.3. We have an optional item which can measure in variable temperature. - Room Temperature ~ 300dC.
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Ammeter
AC Rectifier Type Coil Meter
measures the alternating voltage and current with the help of rectifying elements and permanent magnet moving coil type of instruments. However the primary function of rectifier type of instruments work as voltmeter. Now one question must arises in our mind why we use rectifier type of instruments widely in the industrial world though we have various other AC voltmeter like electrodynamometer type instruments, thermocouple type instruments etc? The answer to this question is very simple and is written as follows.
