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Resistivity
the amount which keeps current from flowing freely.
See Also: Resistance, Resistance Standards, Resistance Meters, Resistance Test, Resistivity Meters, Current, Polarization
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Oil Tan Delta Test Set
The Oil Tan Delta (OTD) is a laboratory instrument, which measures the Tan Delta, Resistivity and Relative Permittivity of insulating liquids. These tests give a wider picture of the overall quality of the insulating oil, and will indicate if there is any contamination. Megger has developed features of the OTD to ensure that productivity levels within laboratories are maximised. OTD test sets are supplied with sixteen standard test sequences pre-installed, to support a set of international standards.
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SPM Probes
AppNano silicon probes are manufactured out of prime grade, low resistivity (0.01- 0.025 Ω-cm), n-type antimony doped, single crystal siliconOur well-established silicon technologies combined with novel micro-fabrication processes achieve consistent high quality monolithic probes with unprecedented tip sharpnessWe have many standard silicon probe series designed for a wide variety of applications that are compatible with most AFM equipment in the market
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SENSOR FOR THICK & CURVED MATERIALS
S3
The smallest, simplest, most affordable high-precision non-contact sheet resistance sensor availableNon-contact measurement of Ohms/sq, Ohms-cm, resistivity, thickness, and moreChoose a sensor in one of four ranges, from .005 Ohms/sq to 100,000 Ohms/sqadd other sensors laterReads any conductive coatingon even the thickest nonconductive substratesOptions include PC-based productivity software, stage, and morePerformance limited by "lift off" phenomenonelevation of sensor above conductive layer must be carefully controlled
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Rubber Testing Equipment
Dongguan Amade Instruments Technology Co., Ltd
Rubber testing equipment are used to test the physical properties, chemical properties, thermal properties of uncompounded and compounded rubbers at prescribed conditions to help manufactures or researchers in comprehending the characteristics, updating the formula and improving product quality. Including volatile component, ash content, Mooney viscosity, vulcanization curve, Mooney scorch time, hardness, tensile properties, tearing, the compression performance, impact, friction resistance, fatigue resistance, peel strength, vertical & horizontal combustion, smoke density, limiting oxygen index, the flame spread rate, the surface resistance, surface resistivity, volume resistivity, the breakdown voltage, dielectric strength, dielectric loss, antistatic properties, Aging test (UV, Xenon lamp, carbon arc lamp, ozone) etc.
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Earth Resistance Meter
EM 4058
earth tester is a digital, microprocessor controlled instrument that allows to measure the earth resistance and ground resistivity (using Wenner´s method), as well as to detect parasitic voltages present in the ground. This instrument is suitable to measure earth systems in power substations, industries, distribution networks, etc., according to IEC 61557-5.
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Ground Testing
Weshine Electric Manufacturing Co., Ltd
1.Soil resistivity tester supports 2, 3 and 4wire grounding resistance measurement. 2. 4digit large LCD display with white screen backlight, suitable for use in dimly lit places. 3. IP65 protection grade, good waterproof, compact and portable, supports multiple functional tests.
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Ground Resistance Tester
Weshine Electric Manufacturing Co., Ltd
1.Soil resistivity tester supports 2, 3 and 4wire grounding resistance measurement. 2. 4digit large LCD display with white screen backlight, suitable for use in dimly lit places. 3. IP65 protection grade, good waterproof, compact and portable, supports multiple functional tests.
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Variable Frequency High-Current Multifunctional Ground Impedance Test System
SFJ044
Shanghai Launch Electric Co., Ltd.
The system complies with DL/T621-1997 standards of Grounding of AC Electrical Equipment , used to test grounding system, connected resistance and soil resistivity of large power plants and substations. It makes up for the defect of traditional measuring approaches, offering complete test items and reliable test for large grounding system
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Surface Resistance Meter
WL MIDGET
WL MIDGET Surface Resistance Meter is an ultra-wide range, battery operated, portable instrument for measuring Surface Resistivity and Resistance to Ground of virtually any flat surface conforming to ASTM D-257 standard method by using recommended parallel bar sensing probe. Gives simple, repeatable measurements of conductive, static dissipative, and insulative surfaces. Ranging is automatic due to the use of high-speed OP-AMP Integrated circuits being linear, with changeover points +1/2 decade on a logarithmic scale. Repeatability equals + 5%.
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Software
Solar Cells/ Photovoltaic Devices
Materials Development Corporation
MDC offers a comprehensive array of current-voltage, capacitance-voltage, and resistivity measurements to characterize solar cells and PV devices. CSM/Win systems and software can help to fine tune your process for maximum efficiency. Critical values such as series and shunt resistances, maximum power point (both actual and theoretical), and fill factor are automatically determined.
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Oil Tan Delta Tester
Weshine Electric Manufacturing Co., Ltd
The Oil Tan Delta Tester (OTD) is a laboratory instrument, which measures the Tan Delta, Resistivity and Relative Permittivity of insulating liquids. These tests give a wider picture of the overall quality of the insulating oil, and will indicate if there is any contamination. WESHINE has developed features of the OTD to ensure that productivity levels within laboratories are maximised.
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Digital Earth Tester
Cambridge Instruments & Engineering Co.
'CIE' Digital Earth Resistance Tester is designed to measure the resistance if earth used in power circuit, Telecommunications, Railway Electrification, Domestic and Industrial electrical installations. The tester measures directly the resistance of the earth and also measure the ground resistivity. The study, elegant and compact body makes the instrument portable, easy to use, Hand-held instrument.
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Franklin Tester
TF-100
The measuring device Franklin tester is designed to measure the insulation resistivity of coating and its mineral components on the surface of electrotechnical steel sheet as well as applied enamel to generator stator core laminations according to the ASTM A717/ A717 M - 95 Standard. The device contain series connection which allow the data transmittion to PC.
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Wide Measurement Range Model Of Semi-automatic 4 Point Probe Sheet Resistance/resistivity Measurement
RT-3000/RG-2000 (RG-3000)
*User programable measurement pattern & programmable measuring pattern*Tester self-test function, wide measuring range*Thickness, edge, temperature correction for silicon wafer*Film thickness conversion function from sheet resistance*2 types measuring tester (S version: Standard type, H version: High range resistivity measurement type)
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Syscal Junior
The Syscal Junior is an all-purpose resistivity and induced polarization sounding and profiling system for environmental applications. The system is supplied as a standard sounding system capable of recording two measurements simultaneously, perfect for performing offset Wenner sounding arrays. The output current is automatically adjusted (automatic ranging) to optimize the input voltage values and to ensure the best measurement quality.
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Electrical Tomography Software
Res2dinv
This very popular software, developped by M.H.Loke, uses the method involving the Sasaki minimum squares inversion (1992) to produce a 2D sub-soil model starting from the data of apparent resistivity (up to 2000 electrodes). It is completely automatic and does not require that the user formulates a starting model. When using a state-of-art computer, the inversion of a single pseudosection will require only a few minutes.RES2DINV supports spreading types like Wenner, Schlumberger, Pole-Pole, Pole-Dipole, line Dipole, equatorial Dipole and other non-conventional spreading types.
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Small size non-steady-state probe for thermal conductivity measurement
TP08
Hukseflux Thermal Sensors B.V.
TP08 is a probe that offers the possibility to perform a practical and fast measurement of the thermal conductivity (or thermal resistivity) of the medium in which it is inserted at a high accuracy level. It works in compliance with the ASTM D 5334-00, D 5930-97 and IEEE 442-1981 standards. The TP08 is a small version of type TP02, made for situations where the length of the TP02 poses a problem. The standard TP08 probe has proven its suitability for soils, thermal backfill materials, sediments, foodstuff, powders, sludges, paints, glues and various other materials.
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Marine Logging System
SuperSting Marine
The SuperSting Marine continuously records and stores data from a GPS receiver. Current is injected every 3 seconds and 8 apparent resistivity values representing 8 depth levels are read for each current injection. Depth of penetration depends on length of the cable and array type. Typically you will see down to aproximately 20% of the electrode spread length.
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Hazardous Location Transmitter
X80 Series
The ECD Hazardous Location Transmitters – Model X80 Series provides the same capabilities and general feature set as the general purpose T80 Universal Transmitter. Various configurations are available as single or dual channel for the continuous measurement of pH, ORP, pION, Dissolved Oxygen, Turbidity, Conductivity or Resistivity. The Model X80 transmitter digitally communicates with any ECD Model S88 and/or S80 Intelligent Sensor, automatically configuring the transmitter’s menus and display screens to the measured parameter. The X80 is designed with a durable stainless steel enclosure for explosion proof/exd hazardous applications.
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Portable Thermal Conductivity Meter
TLS-100
The TLS-100 is a portable thermal conductivity meter used to measure thermal conductivity and thermal resistivity at the push of a button. Each TLS-100 comes equipped with a 100 mm sensor for testing soil, polymers, and other soft materials. An optional 50 mm sensor was designed for testing harder materials, like rock and concrete. The collected data is automatically analyzed, and results are displayed instantly.
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Geophysical Instruments
SSR-MP1-SL
Integrated Geo Instruments & Services Private Limited
The IGIS Microprocessor based Signal Enhancement Resistivity Meter Model SSR-MP1-SL is a high quality microprocessor based data acquisition system incorporating several innovative features. The instrument design incorporates several advanced techniques of digital circuitry to make it reliable geophysical tool that provides high quality data useful for all types of mineral and groundwater exploration research etc.
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Geophysical Instruments
SSR-MP-AT-SAL
Integrated Geo Instruments & Services Private Limited
The IGIS signal stacking based Signal Enhancement Resistivity Meter Model SSR-MP-AT-SAL is a state of art microprocessor based data acquisition system. The instrument design incorporates several innovative features and advanced techniques of digital circuitry to make it a reliable geophysical tool providing high quality data useful for mineral and groundwater exploration and any other geophysical applications.
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Hazardous Location Sensors
S88
The S88 pH Sensors are one part of the Model S88 Intelligent Sensors product line. The S88 Sensors offering includes pH Sensors, ORP Sensors, Ion Selective Sensors, Dissolved Oxygen Sensors, Conductivity Sensors and Resistivity Sensors. The S88 sensors have two Universal Sensor Designs; Insertion/Submersion or Valve Retractable with flared end to prevent blow out. The standard S88 sensors have 316 Stainless Steel housings although various materials of construction are available to maximize sensor performance while minimizing cost of ownership. For other materials of construction request a quotation from the factory.
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PRODUCTS TESTING
ESD
MicroStat Laboratories -R.E.T.S.
Our ESD test capabilities include resistance, resistivity, electrostatic shielding, charge generation, and charge dissipation. We routinely test flooring materials, packaging, footwear, garments, ionizers and many other ESD control products and materials. We utilize the relevant test methods and standards of the ESD Association, ANSI, ASTM, NFPA, IEST, IEC, AATCC, or our clients’ in-house specifications.
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Insulating Oil Dielectric Loss Testing Electrode
RY1
Shanghai Launch Electric Co., Ltd.
RY1 insulating oil dielectric loss testing electrode (also called oil cup) is used to precisely measure dielectric loss(tgδ), relative dielectric constant(εr)and DC resistivity for liquid insulating materials such as cable oil, transformer oil, capacitor oil, etc. The testing electrode is in line with IEC standards in structure and principle. It is inter-changeable with TETTEX2903 which is widely used in China.
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Oil Test System
The Oil Test system Model OTS 2K1 is portable transformer oil Test system. It is a specially designed for accurate measurement of Loss Factor, Permitivity & Volume Resistivity Measurement of Transformer Oils & Petroleum jellys. The test frequency is 50 Hz . The system is provided with Mode Selector Switch so that once the oil cell is connected, it can measure all Three parameters in different modes without handling the test leads.
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Semiconductor Large Range Type Tester
HS-PSTT
HS-PSTT large Range Type Tester is a high-grade semiconductor material Type testing equipment,has the feature that testing large range,special suitable for testing the high-Resistivity Silicon Material(contains Silicon Core, phosphorus stick, Boron stick and so on),the resistivity require range is 0.0001~19999Ω·cm, Covers all measurement requirements of various silicon material type testing at the semiconductor and solar energy level at present .
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Minority Carrier Lifetime Tester
HS-CLT
HS-CLT Minority Carrier Lifetime Tester has strong functions. It can not only measure carrier lifetime of wafer but also silicon ingot, silicon filament,silicon phosphorus ingot,silicon boron ingot, seed crystal and other irregular shape silicon material.The minority carrier testing ranges from 1μs to 6000μs, the minimum resistivity is 0.1Ω.cm, (can be extensive to 0.01Ω.cm). Dynamic curve monitoring in the whole process.
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Syscal Pro switch
The Syscal Pro is an all-in-one multinode resistivity and induce polarization imaging system for environmental and engineering geophysical studies. The Syscal Pro gathers a 10 channels receiver and a 250W, 2000Vpp internal transmitter which make it the more powerful system of the Syscal range. This system allows to perform up to 10 measurements at a time and its switching board allow to work for 48 (Switch-48) up to 120 (Switch-120) electrodes.
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Conductivity-Resistivity Sensor Electronics and Integral System with PVDF Sensor
2850
The Signet 2850 Conductivity/Resistivity Sensor Electronics are available in various configurations for maximum installation flexibility. The universal mount version is for pipe, wall, or tank mounting and enables single or dual (digital versions only) inputs using any standard Signet Conductivity/Resistivity sensor. The threaded j-box version can be used with these same Signet sensors for submersible sensor mounting. It is also available as a combined integral system configuration for in-line mounting and includes a conductivity electrode in a choice of 0.01, 0.1, 1.0, 10.0 or 20.0 cm-1 cell constants. The 2850 is ideal for applications with a conductivity range of 0.055 to 400,000 S or a resistivity range of 18.2 M to 10 k.