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- Valhalla Scientific Inc.
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Current Calibrators
Used for basic measurements, tests and regulation techniques for setting and verifying test installations and instrumentation.
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Partial Discharge Solutions
From software systems to hand-held instruments, we’ve developed industry-leading technology to help you keep on top of ageing assets. Spot the warning signs, including partial discharge, to manage maintenance and make timely repairs.
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Partial Discharge
Partial discharge (PD) is a local electrical discharge that occurs in imperfections or inhomogeneities. The partial discharge measurement is a so-called “non destructive test” to determine the quality of insulating materials. On the contrary of pure high-voltage test, th test item is not pre-damaged at low PD levels.
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Partial Discharge Detector
PDD 100
The Insulator partial discharge detector is a state-of-the-art technology used by NASA. The Parabolic design of the disc helps to maintain and detect ultrasound from safe distance of 100 Meters. Enhanced ultrasound detection is provided to the device, by combining the features of the already proven Ultra sound sensing technology with extended range and sensing capabilities. A pistol like grip laser pointer, and rifle sights make the Insulator partial discharge detector easy to handle and use.
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Partial Discharge Test
INDIPORT
For medium voltage switchgear - partial discharge test in a few minutes - without shutdown.
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Partial Discharge Testing Equipment
AR700
PD Defect Location in High-Voltage Equipment Insulation by Acoustic Sensors To act on deteriorating insulation the source of PD must be known.The insulation defects produce partial discharges, which emits electrical impulses, radiation of electromagnetic waves as well as acoustic signals.The AR700 measures acoustic signals with multiple sensors spread over the transformer. Then the software determines the failure location using the time difference of all incoming signals. Finally, these coordinates are shown in a 3D model of the transformer. AR700 device is used for measuring of acoustic signals on the external surfaces of gas-insulated breakers and substations, power transformers and other tank high-voltage equipment. The acoustic signals are caused by partial discharges in the insulation, which is the sigh of the defects.The advantage of “AR700” device is the quick installation of the acoustic PD sensors on the external surface of high-voltage equipment tank. The sensors have magnetic holder that is why there is no need to de-energize the equipment for the sensors installation. “AR700” device has 4 syn-chronic channels for acoustic signal measurement. This gives the possibility not only to find the defects in the insulation, but also to locate them. The location function of the “AR700”device is unique for acoustic devices.
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Partial Discharge Detector
APD-ANNUNCIATOR
The APD-ANNUNCIATOR is a remote partial discharge detection equipment inside any energized cabinet. The probe is installed in the unit under test, instantly reporting its status. This equipment gives a great benefit because it avoids long term damage to the switching equipment.
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Partial Discharge Test Equipment
Wuhan Huatian Electric Power Automation Co., Ltd.
Partial discharge detectors for high voltage equipment.
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Partial Discharge Test Set
We are an unparalleled name in the industry, engaged in manufacturing and exporting Partial Discharge Test Set that is broadly used for instrument transformers to test the discharge of voltage. This test set is manufactured in compliance with set international quality standards using optimum quality components under the observations of our experienced professionals. Further, it is made available in several specifications to meet the exact requirements of the clients. Our offered Partial Discharge Test Set can be owned from us at nominal prices.
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Partial Discharge Detecting Detectors
Hangzhou Xihu Electronic Institute
Including pulse current PD detecto, high frequency PD detector, transient earth PD detector, ultra high frequency PD detector, and ultrasonic PD detector.
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Partial Discharge Testing Equipment
3i
The portable multipurpose 3i device (Intellectual Insulation Indicator) is for eff ective high-voltage equipment insulation monitoring on-line. The 3i device measures and analyses partial discharges (PD). For eff ective PD measurement and noise rejection, there are two types of sensors used in the device: the acoustic sensor and the TEV sensor. Both the sensors are built into the device case, and so do not need any connection cables. The device is supplied in a strong metal case; at the faceplate there are the colored screen and two buttons: power button and function button.
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Partial Discharge Monitor
doblePRIME PD-Guard
The doblePRIME PD-Guard continuously monitors partial discharge (PD) in equipment such as transformers, rotating machines, cables and switchgear.The doblePRIME PD-Guard provides local alarms and will communicate data and notifications across standard interface channels and through to networked supervisory systems. It analyzes RF emissions in the HF, VHF and lower UHF ranges.
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Partial Discharge Measurement System
DAC-6021
DAC-6021 is a measurement system for testing Partial Discharge of high frequency equipment, power devices, stator coils, etc.Since the system combines Partial Discharge Measuring Instrument (DAC-PD-3) with Testing Corona-free Variable Frequency Voltage Source (DAC-WT-50) and Testing Shielded Chamber, most external noises are removed, and the measurement is safe.
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Partial Discharge Meter
TMG
The partial discharge meter TMG was developed for Partial Discharge tests according to VDE 0434 and IEC 60270.
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Online Partial Discharge Monitor
ASM-E
The ASM-E is a permanent partial discharge monitor for cables, switchgear and other high voltage assets.The ASM-E can be configured with up to 128 PD sensor channels. If excessive discharge is detected, the ASM-E raises an alarm that can be configured either locally or by email/SMS. This enables the long-term assessment of plant conditions to be carried out quickly and easily, from any remote computer.
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Partial Discharge Testing Of Transformer & Localization System
AE-150™
The is designed to detect and localize Partial Discharge activity by correlating acoustic and electric sensors' data. The AE-150™ has many acquisition modes, each used for detecting and locating Partial Discharge activity in a transformer. The AE-150™ unit is mounted on the transformer tank using its powerful magnets that also hold four acoustic sensors.
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Cable Partial Discharge (PD) Spot Testing And Locating
PrecisePD
PrecisePD is an on-line PD Spot Testing and PD location system for Cables and Switchgear with advanced signal processing, used for the detection of PD in high noise environments.
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Partial Discharge Calibrator
TPK-H
The high voltage-resistant Partial Discharge calibrator is used to determine the correction factor in the PD test circui.
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Partial Discharge
Is a localized dielectric breakdown (DB) (which does not completely bridge the space between the two conductors) of a small portion of a solid or fluid electrical insulation (EI) system under high voltage (HV) stress.
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Calibrators
Is a device used to adjust an instrument accuracy, often associated with a specific application.
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Partial Discharge Measuring System
LDS-6
The Doble LDS-6 is a highly sophisticated digital measuring system for partial discharge detection and analysis. It is trusted as a valuable tool for factory and laboratory testing.The LDS-6 can be used to test a variety of high voltage apparatus. Use the LDS-6 to perform PD quality tests on motors, generators, transformers, MV and HV cable systems, switchgear and additional HV accessories.The LDS-6 complies with IEC 60270, VDE 0434 as well as various IEEE and other standards.
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Partial Discharge Measurement and Analysis System
UHF 800
Our UHF 800 is a system for measuring and analyzing partial discharges in the ultra-high frequency (UHF) range in testing environments with high levels of external noise.
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Partial Discharge Measuring Equipment
Electro Mechanical Enterprises
Partial discharge instruments have two modes of Wide Band and Low Frequency. You can use it for Partial Discharge tests of High-Voltage Equipment, Insulation Materials, High-Frequency Equipment, and Power Semiconductor devices. Partial discharge Measuring Equipment can easily realize the test of Partial discharge on print-circuit boards, connectors, semiconductors, small motors and other insulation materials, to make a judgment on good / bad of them
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Calibrators
Ensure the accuracy and reliability of your leak and flow testing instruments with our cutting-edge calibrator. Specifically designed for precision calibration, our product stands out in the market for its innovative technology and user-friendly features. Ideal for a wide range of industries, this calibrator is essential for maintaining the integrity of your leak and flow testing equipment. With its robust design and exceptional accuracy, our calibrator is a must-have for professionals seeking to uphold the highest standards in leak and flow measurement. Whether you’re in manufacturing, engineering, or quality control, our calibrator is the perfect tool to ensure your instruments are performing at their best. Discover the difference in precision and reliability with our top-tier calibrator for leak and flow testing instruments.
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Portable Partial Discharge/ Detection
AE-150
The AE-150 is designed to detect and localize Partial Discharge activity inside oil-insulated power transformers. This instrument is a powerful diagnostic tool that combines electric and acoustic sensing technologies to perform partial discharge pinpointing.
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Discharge Units
ENTES Discharge Units are used in capacitor banks and provide quick discharge over short periods of time.
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Partial Discharge Tester
19501-K/19500
Chroma 19501-K partial discharge tester combines hipot test and PD (partial discharge) detector functions in one instrument. The device is capable of a maximum 10kV AC output with leakage current measurement range of 0.01uA and a minimum partial discharge detection of 1pC. The tester is specifically developed to test high voltage semiconductor components and high insulation materials.
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Calibrators pressure
By integrating an internal electronic pump high performance and precision pressure controller, portable automated pressure calibrators ADDITEL of ADT 761 series offer a turnkey solution for the calibration of pressure gauges, transmitters and switches at a time on the field and laboratory.
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Partial Discharge Detecting Systems
Hangzhou Xihu Electronic Institute
Cable PD detecting and positioning system, transformer PD detecting and positioning system, switchgear PD detecting and positioning system, GIS PD detecting and positioning systems.
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Partial Discharge Testing Equipment
PD-Analyser
This is an ‘All in One’ solution for testing and analysing partial discharges in the insulation of high-voltage transformers, cables, GIS and electric machines. The DIMRUS ‘PD Analyser’ help diagnose their insulation state and find any type of defects very effectively.It can be used for temporary or constant monitoring of partial discharge in medium and high voltage systems and cables of any rated voltage.The PD Analyser is the most useful device for condition estimation of high-voltage insulation. This multipurpose device is designed for -Partial discharge measuring in high-voltage insulation at a high noise level.Fast detecting of the defects in different high-voltage equipment and identifying how dangerous they are.
