Impedance Meters
measure the rate of voltage to current in a circuit at a specified frequency.
See Also: LCR Meters
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Product
Dissolved Oxygen/temp. Meter Complete Kit
DO-5510
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Heavu Duty Dissolved Oxygen KitDissolved oxygen:0 to 19.9mg/LOxygen:0 to 100%Temp:0 to 50 deg CProbe head with diaphraDiaphragms & electrolyte includedRS-232 PC interfaceFunctions:Min./Max/Avg,Data hold,ATCHard case:280x195x65mm.
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Product
Atlas ESR PLUS - Equivalent Series Resistance Meter
ESR70
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The Atlas ESR provides instant measurement of a capacitor's ESR and it's capacitance value. Using the supplied gold plated probes (removable), the Atlas ESR can measure ESR down to a resolution of 0.01 ohms, up to 40 ohms. It can even measure ESR for capacitors that are in-circuit. Measurements are made at the industry standard frequency of 100kHz. Probes are now removable, allowing 2mm compatible probes to be fitted. Audible alerts are produced for various ESR levels allowing you to perform many tests in succession without having to look at the display.
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Product
Portable Meters and Components
88960
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The Coaxial Dynamics 88950 and 88960 series of High-Power Meters are designed to measure RF power in 50-Ohm 1-5/8 to 6-1/8 inch coaxial transmission lines. These are the same meters included in our 81100-A, 81300-A, 81400-A and 81600-A High-Power Wattmeters.
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Product
Electricity Metering Device
Mk7A
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Built on the advanced Atlas metering platform, the Mk7A is a single phase 2-element meter which integrates both a 100A UC3 compliant relay and 40A UC2 compliant load control relay which allows disconnection and reconnection of electrical services remotely.
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Product
Occupational Health & Safety RF Meters, High Frequency
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Occupational Health & Safety RF Meters by Sensory Perspective LLC
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Product
Handheld Water Quality Meters
LAQUA EC210
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- Automatic (up to 4 points) and manual (up to 5 points) conductivity calibration- Adjustable reference temperature and temperature coefficient- Adjustable cell constant and selectable measurement unit- Automatic / manual temperature compensation and temperature calibration function- Conductivity and total dissolved solids (TDS) conversion- Four (4) TDS calibration curves for wide range of applications: EN27888, Linear, 442, NaCl- Two (2) salinity calibration curves: NaCl, Seawater- °C & °F temperature readings- Auto log data; built-in memory can store up to 500 data - Auto stable, auto hold, and real-time measurement modes- Auto shut-off (programmable: up to 30 minutes)- Monochrome LCD with white LED backlight: 50 x 50 mm- Powered by 2 x AA batteries - Casing is IP67 waterproof/dustproof, shock & scratch resistant, non-slip- Packaged with electrode and calibration solutions in carrying case- 3 years meter warranty
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Product
Optical Loss Test Set/Light Source/Optical Power Meter
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The CMA5 series (Optical Loss Test Set/Light Source/Optical Power Meter) offer superior accuracy and reliability for evaluating a wide range of optical devices and systems including WDM.
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Product
Three-Phase Transformer Winding Resistance Meters
TWA Standard Series
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When it comes to winding resistance measurement on three-phase power transformers and autotransformers, TWA Standard series offers some of the most technically advanced instruments with LCD display in the market. Both models are capable of testing six transformer windings with a one-time cable connection, as well as three-phase automatic transformer demagnetization. The stored magnetic energy is safely automatically discharged at the end of the test. The built-in tap changer control unit enables automated test mode, where the instrument operates the tap changer without operator input and records winding resistance results based on pre-selected stabilization criteria. This option makes the operator’s job significantly easier.Both models can output test currents from 5 mA to 25 A DC for the purpose of winding resistance measurement. TWA40D has a special test mode for checking the synchronization of on-load tap changers with three phases simultaneously tested in parallel, in which the total test current can rise to up to 40 A DC.TWA40D has additional advantages when it comes to non-intrusive tap changer analysis. The unique DVtest method enables checking the moving contacts of on-load tap changers during the transition, measuring the transition time, detecting open circuits, and many other types of faults. It is performed with 0.1 ms sampling rate, simultaneously with the measurement of tap changer motor current which helps with the detection of motor and mechanical issues. A special proprietary algorithm is used for testing tap changers connected through a built-in series (booster) transformer. The DVtest can be performed either on one phase or on three phases simultaneously. It can also be performed as an additional test simultaneously with the winding resistance test in all tap positions.An additional unique advantage of TWA40D is the capability of simultaneously testing the winding resistance of all three phases of a three-phase transformer (connected in a YN configuration). This can significantly shorten the total testing time – for example, it enables the operator to perform 33 measurements instead of 99 on a tap changer with 33 tap positions.The test leads for TWA three-phase transformer winding ohmmeters are interchangeable with the TRT turns ratio testers, which means that both sets of tests can be performed with a single test lead connection to the power transformer terminals.
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Product
Sound Level Meters
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Sound level meters measure sound pressure level and are commonly used in noise pollution studies for the quantification of almost any noise, but especially for industrial, environmental and aircraft noise.
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Product
Single Channel Peak Power Meter
8501A
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The Spanawave/Giga-tronics 8501A Single Channel Peak Power Meter combine CW power measurement with the ability to make precise peak power measurements at any point on a pulsed waveform. This dual, built-in capability lets you make CW measurements and analyze pulsed waveforms with a single instrument.
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Product
Meter Testing
METES
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Meter test systems with high accuracies of up to 0.02% and a wide measuring range for precise measurements in single- and three-phase applications. The meter test systems of the METES series are used to test the accuracy of Ferraris meters and electronic electricity meters under any operating conditions. The impact of system perturbations such as harmonics or flicker on the meter can be taken into consideration during tests.
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Product
Three Phase High Precision Reference Standard Energy Meter
SY3102
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Hong Kong Songyang Industrial Ltd.
There are three ports for pulses to output. And its constants can be set automatically or manually. Types of constants can be set also: active power, reactive power, apparent power, voltage, and current.
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Product
Benchtop Water Quality Meters
LAQUA F-73
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Water quality analysis is repeatedly performed in laboratories on a daily basis. Our high-end benchtop model was developed to provide simplicity with excellent on-site usability - from operation and maintenance through to troubleshooting.
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Product
Temperature / Humidity / Dew point Meter
MT-4616
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Ideal for metallurgy, electronics, chemical contamination or other high temperature environment and more
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Product
Duty Cycle Meter
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Displays ON or OFF period as a percentage of total period over a programmed gate time from 10 ms to 199.99 s. A resolution of 1%, 0.1% or 0.01% is user-selectable. Applications include monitoring modulated proportional control systems and pulse-modulated systems, such as radar, lasers or packet radio.
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Product
Transformer Winding Resistance Meters
TWA Advanced Series
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The TWA advanced series instruments are designed for six-winding resistance measurement and simultaneous three phase on-load tap changer analysis of both the primary and the secondary transformer windings. This is performed with a one singlestep cable setup, with test currents of up to 40A. Each transformer configuration has a special measurement algorithm which is optimized for the fast stabilization of test results. The TWA instruments generate a true DC ripple-free current. Both the injection of the current and the discharge of energy from the magnetic circuit are automatically regulated.
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Product
Laser Distance Meter
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Shenzhen UYIGAO Electronic Technology Co., Ltd
Is the ideal device for a civil engineer, and any other large scale operations in which distance measurement accuracy is paramount.
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Product
Loop-Powered Digital Panel Meter
88-PRO
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The 88-PRO Process Meter may be connected directly to a 4-20 mA, 10-50 mA or 1-5 mA current loop, with no need for additional power to the meter. This is because the meter is powered directly by the current loop, developing a maximum voltage drop of 2.5 V.
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Product
Electrolytic Capacitor Leakage Current Meter
TH2686N
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Changzhou Tonghui Electronic Co., Ltd.
■ Test voltage: 0-200V, 0-500V ■ Voltage accuracy: 1% set value + 1 word ■ Measuring range: 10nA-19.99mA, resolution: 1nA ■ Current accuracy: 2% reading + 2 words ■ Intelligent type, microprocessor control
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Product
Impedance Analyzers
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Sciospec stands for Electrical Impedance at its Best. Electrical Impedance Spectroscopy has been our core technology ever since. In the past years we have developed a scalable and flexible technology plaform that allows for precise, customizable, yet cost-effective lab-bench impedance analyzers. Choose between our three standard instruments, add some powerful options and enjoy an impedance analyzer that perfectly fits for your application.
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Product
Femto / Picoammeter and Electrometer / High Resistance Meter
B2980A Series
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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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Product
Aquarium Portable Meters
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Portable meters help to keep your tanks happy and healthy with laboratory grade accuracy.
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Product
5uH Line Impedance Stabilisation Network LISN - CISPR 25
TBOH01
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The TBOH01 5H LISN is a device required to setup conducted noise measurements of DC-powered devices. It is designed to be used for EMC pre-testing in the frequency range of 150kHz to 110 MHz.
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Product
EcoTestr™ pH 2+ Pocket pH Meter
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This new addition to the Oakton EcoTestr product line features updates to make measuring water quality easier and faster. The display is larger with a better viewing angle, has indicators for battery life, readiness, and calibration, and shows both the parameter and temperature readings at the same time. To enhance field use, the cap was redesigned to be leakproof and can be attached to the top of the meter when not being used—no more lost caps! The cap features a fill line, so you know how much sample you need for an accurate reading when using the cap as a sample cup. It is also wider, providing a base to keep the meter upright for hands-free measurements. The keypad now has a fourth key to simplify menu navigation while keeping convenient one-touch calibration. The new housing is compatible with lanyards to prevent losing or dropping, but is still waterproof and floats just in case.
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Product
DIGITAL TURNS TESTER AND DIGITAL LCRTZ METER
TURNS-LCRTZ
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Digital TURNS TESTER with LCR for Counting / Measuring Number of Turns for Toroidal Coils , Current Sensor , Current Transformer , Round Core Coils. Can measure, Turns along with Winding Polarity , DC Resistance , Inductance (L), Capacitance (C), DC Resistance, Rac, Q, D, ESR and Tan.Toroidal Turns Platforms :TTPT100 : 5 T - 1000 T , TTPT1000 : 500T-10000 T The Platform has 2 connections for the coil and 2 for the probe wire. Measurement principle is based on dynamic comparison of the voltage across one turn and the coil. You will be able to get the polarity or winding indication with respect to the one turn reference.Accuracy : + 0.2% + 0.5T for high and medium permeability cores at suitable test frequency. Internal Diameter must be able to pass a wire as thin as 0.2 mm. External Diameter as high as 200 mm.Test Frequency Selectable in Step : 50 Hz, 100 Hz , 500 Hz, 1 KHz, 5 KHz, 10 KHz. Test Voltage adjustable : 100mV to 1V in steps of 50mV.
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Product
1 Meter Long SCSI Cable with 100 Pin Connector
U2903A
Digital Cable
The Keysight U2903A is an accessory compatible and recommended to be used with the U2600A Series USB used with the U2600A USB Modular Digital I/O modules. The pin-outs of the U2903A is dependent on the USB Modular Digital I/O module that it is working with. For more information, please refer to the data sheet or the user guide of the USB Data Acquisition unit that U2903A is to be used with.
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Product
Digital Panel Meter
CM3-VA9
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CM3-VA9 is a multifunctional 3-phase voltage/ current meter.With 3 phase voltage or current display at the same, configurable display range via front buttons, anti-inference design, reliable quality and easy to use and install, CM3-VA9 also has multiple I/O functions including 6relay outputs, 3 analogue output and a RS485 communication port running the Modbus RTU Protocol
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Product
Power Meters
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The Krytar Model 9000B is a low cost, high performance CW power meter using a diode based power sensor. The power meter can measure power levels from -39 to +20 dBm and cover frequencies from 100 kHz to 40 GHz. With bench and field service applications in mind, the power meter was designed to be completely portable. The power meter can be used for swept measurement.





























