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Resistance
that which keeps current from flowing freely.
See Also: Resistivity, Resistance Standards, Resistance Meters, Resistance Test, 4-wire
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Digital Igniter Tester
Alpha 4314
The Alpha 4314 Digital Igniter Tester is a portable digital ohmmeter which has been specifically designed for ultra-safe resistance testing on explosive devices (i.e. squibs, detonators).
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Rugged Igniter Tester With Current Monitor And Single Connection For Measurement And Charging
4314 KVM
The Valhalla Scientific Model 4314 KVM Digital Igniter Tester is designed to provide extremely safe and reliable resistance testing of explosive or volatile devices. Proven uses include fuses, squibs, igniters, explosive bolts, automobile airbag initiators and many others.
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Digital Igniter Tester
Alpha 4314KRC
The Alpha 4314 Digital Igniter Tester is a portable digital ohmmeter which has been specifically designed for ultra-safe resistance testing on explosive devices (i.e. squibs, detonators).
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Precision AC/DC Active Current Shunt
2575A
A versatile, powerful calibration tool, the 2575A Precision AC-DC Active Current Shunt measures both AC/DC current and works as a standard for low-level resistance calibration requirements.
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Igniter Tester
A specific type of ohmmeter used to conduct safe resistance tests on explosive devices, such as squibs.
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High-Frequency Probe, 300 kHz to 3 GHz
85024A
85024A high-frequency probe makes it easy to perform in-circuit measurements. An input capacitance of only 0.7 pF shunted by 1 megohm of resistance permits high frequency probing without adversely loading the circuit under test. Excellent frequency response and unity gain guarantee high accuracy in swept measurements with this probe. High probe sensitivity and low distortion levels allow measurements to be made while taking advantage of the full dynamic range of RF analyzers.
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Planar-Doped Barrier Diode Detector, 0.01 to 50 GHz
8474E
The Keysight 8474E is a high-performance detector using a gallium arsenide, planar-doped barrier detecting element. It features extremely flat frequency response over its entire band of operation and very good frequency response stability versus temperature. The Keysight 8474E is also very rugged with high resistance to ESD damage. The Keysight 8474E detector is available with a 2.4-mm (0.01 to 50 GHz) connector. This detector offers the options for optimal square-law loads (Option 102) and for positive polarity output (Option 103). Because the unit-to-unit frequency response tracking of this device is typically better than plus or minus 0.3 dB, no matched response option is offered.
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250 Watt Electronic Load Module
N3303A
The Keysight N3303A is a 250 W (0-10A, 0-240V) electronic load module for use in either the N3300A or N3301A electronic load mainframe in system applications. The N3303A load module is fast and accurate, for programming in constant current, constant voltage, or constant resistance modes, or for making voltage, current or power measurements. The N3303A can also digitize waveforms.
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Planar-Doped Barrier Diode Detector, 10 MHz to 33 GHz
8473D
The Keysight 8473D is a high-performance detector using a gallium arsenide, planar-doped barrier detecting element. It features extremely flat frequency response over its entire band of operation and very good frequency response stability versus temperature. The Keysight 8473D is also very rugged with high resistance to ESD damage. An optimum square-law load and positive polarity output are available as special options (consult your local Keysight representative).
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Planar-Doped Barrier Diode Detector, 0.01 to 18 GHz
8474B
The Keysight 8474B is a high-performance detector using a gallium arsenide, planar-doped barrier detecting element. It features extremely flat frequency response over its entire band of operation and very good frequency response stability versus temperature. The Keysight 8474B is also very rugged with high resistance to ESD damage. The Keysight 8474B detectors are available with 0.01 to 18 GHz and a type-N connector. This detector offers options for optimal square-law loads (Option 102) and for positive polarity output (Option 103). Because the unit-to-unit frequency response tracking of these devices is typically better than plus or minus 0.3 dB, no matched response option is offered.
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150 Watt Electronic Load Module
N3302A
The Keysight N3302A is a 150 W (0-30A, 0-60V) electronic load module for use in either the N3300A or N3301A electronic load mainframe in system applications. The N3302A load module is fast and accurate, for programming in constant current, constant voltage, or constant resistance modes, or for making voltage, current or power measurements. The N3302A can also digitize waveforms.
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Planar-Doped Barrier Diode Detector, 0.01 to 33 GHz
8474C
The Keysight 8474C is a high-performance detector using a gallium arsenide, planar-doped barrier detecting element. It features extremely flat frequency response over its entire band of operation and very good frequency response stability versus temperature. The Keysight 8474C is also very rugged with high resistance to ESD damage. The Keysight 8474C detector is available with a 3.5-mm (mates with SMA, 0.01 to 33 GHz) connector. This detector offers the options for optimal sqaure-law loads (Option 102) and for positive polarity output (option 103). Because the unit-to-unit frequency response tracking of this device is typically better than 0.3 dB, no matched response option is offered.
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600 Watt Electronic Load Module
N3306A
The Keysight N3306A is a 600 W (0-120A, 0-60V) electronic load module for use in either the N3300A or N3301A electronic load mainframe in system applications. The N3306A load module is fast and accurate, for programming in constant current, constant voltage, or constant resistance modes, or for making voltage, current or power measurements. The N3306A can also digitize waveforms.
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500 Watt Electronic Load Module
N3305A
The Keysight N3305A is a 500 W (0-60A, 0-150V) electronic load module for use in either the N3300A or N3301A electronic load mainframe in system applications. The N3305A load module is fast and accurate, for programming in constant current, constant voltage, or constant resistance modes, or for making voltage, current or power measurements. The N3305A can also digitize waveforms.
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250 Watt Electronic Load Module
N3307A
The Keysight N3307A is a 250 W (0-30A, 0-150V) electronic load module for use in either the N3300A or N3301A electronic load mainframe in system applications. The N3307A load module is fast and accurate, for programming in constant current, constant voltage, or constant resistance modes, or for making voltage, current or power measurements. The N3307A can also digitize waveforms.
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Femto / Picoammeter and Electrometer / High Resistance Meter
B2980A Series
Both the picoammeters and electrometers provide a world-best performance of 0.01 fA (0.01 x 10-15 A) current measurement resolution. In addition, the electrometers can measure resistance up to 10 P (10 x 1015 ), which is also a best-in-class specification. Finally, since AC power line noise can be difficult to eliminate when making low-level measurements, both the picoammeters and electrometers are available in battery powered versions.
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300 Watt Electronic Load Module
N3304A
The Keysight N3304A is a 300 W (0-60A, 0-60V)electronic load module for use in either the N3300A or N3301A electronic load mainframe in system applications. The N3304A load module is fast and accurate, for programming in constant current, constant voltage, or constant resistance modes, or for making voltage, current or power measurements. The N3304A can also digitize waveforms.
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Battery Ground Detector
BGD
Battery Ground Detectors supply contact closures for alarm indications at precise ground fault resistance settings.
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Contact Resistance Tester
JYL-200B/100B
Product description: JYL-200B/100B contact resistance tester can measure contact resistance of high voltage switches and circuit breakeres, also can test primar side resistance of transformer and grounding wire in groups
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Contact Resistance Tester
JYL
As a high current passes through a pair of mechanically independent metallic contacts, the contact resistance must be as low as possible. Increasing the contact resistance of the contact often causes a large voltage drop on the contact, which reduces the input power of the load equipment. If the contact resistance of one or two contacts becomes large, the three-phase voltage of the load equipment will be unbalanced, causing phase loss operation.
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Transformer Oil Tester
GTD-61A
1. The GTD-61A Automatic Oil Tan Delta(OTD) & Oil dielectric loss tester is highly automated, allowing for the measurement of temperature rise, dielectric loss, and resistance in one go.
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Contacts Resistance Tester
JYK II
•Instrument IPC architecture for domestic production of all models of metal contacts SF6 switchgear, GIS combination of electrical, vacuum switch, oil switch and column switches, contacts and so on.•Sensor: Acceleration speed sensor, rotation speed sensor, linear stroke sensorinstallation is very easy and simple.•Trigger: The trigger, external trigger, the sensor is triggered. Sensor can trigger the circuit breaker manually switching characteristic test, such as a manual column pole division switch.
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Transformer Winding Resistance Tester
KRI 9310
KRI 9310 adopt Kelvin four-wire testing method, which effectively eliminates the influence of the resistance of the test line on the test results. It can be able to increases the current to 10A by which can test extremely low resistance to 0.01 Ω(such as amorphous alloy, Copper-nickel, nickel-chromium-iron, iron-chromium-aluminum etc). For the tested objects with high resistance value (CT/PT), the instrument can extend the range to 20 kΩ，so the wide resistance test range enables KRI9310 can cover 80% of the power transformer products on the market and switchgear bus-bar cable etc. The power of the tester use the built-in rechargeable lithium battery that can test hundreds of transformers by one time charging.
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Winding Resistance Tester
JYR20S/10S
DC winding resistance testing is regarded as another essential routine screening tool. It indicates problems such as loose, defective or incorrect connections, which cause enough transformer failures each year to be regarded as a failure category of its own.
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Portable Winding Resistance Tester
1. Handheld winding resistance meter2. Conversion function for standard temperature resistance.3. 500 test data can be saved and download by flash disk.4. Temperature testing function.
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Winding Resistance Tester
JYR-50C/40C/20C
1. With demagnetization function.2. Testing range reach to 20k3. Also apply to testing tranformer with high winding resistance.
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Earthing Resistance Tester
JYD-10A
transformer neutral grounding resistor is the vital need in medium voltage AC distribution network that are also called by different names like Neutral Earthling Resistors. They are taken into use to limit the current that would flow through the neutral point of a transformer or generator in the event of an earth fault. They are also used for resistance grounding of connected generators and transformers.
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Rock Electrical Tester
WDCB-1
WDCB-1 Rock Electrical Tester desinged with the new detecting method for rock internal structure on the basis of the current scientific experiments. This method is to get the resistance parameter of rock by testing the voltage, current, polarizability and decay curve of the rock samples, which has been a important analysis method for many research department and testing institutes at present.
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8-Channel VME Isolated Resistance Simulator
V420
The V420 is an 8-channel, isolated, programmable resistance simulator. It uses entirely solid-state simulation to eliminate transient errors associated with relay switching, and provide for monotonic resistance changes. Channels are individually programmable in four resistance ranges, from 5 ohms to 65.5K. Channels can operate from microvolts up to 35V / 50mA. Overload protection and channel error detection are included.
