Filter Results By:
Products
Applications
Manufacturers
PD
voltage discharge within an insulator causing dielectric breakdown.
See Also: Partial Discharge, Partial Discharge Detection, Partial Discharge Monitors, PD Test, Partial Discharge Test
-
product
Rapid PSE And Chained Data Test Of 4-Pair And 2-Pair PSE's
PSL-3424 Quick Test for 802.at and 802.3bt PSE's
*Accessible from PSA Interactive or PowerShell PSA*Scans 2 to 8 PSE ports per test cycle*Automatically determines and adapts to PSE maximum assigned class*Tests PSE’s that grant full power via PD Classification or through PoE LLDP*Validates PoE Detection Acceptance and Rejection Range*Measures PSE Port Voltage at both minimum (DC MPS) and maximum (Pclass) load conditions*Reports PSE type (AT vs BT), maximum assigned class capability, and Pclass power capacity*Assesses Disconnect Power Removal response*Assesses Overload Power Removal response*Assesses LLDP Power Protocol and Allocations (PSL-3424L)
-
product
Field Testing Services
Power Monitoring and Diagnostic Technology Ltd.
PMDT offers three levels of testing services both domestically in the US and globally. With the best quality products, complete PD solutions, rich on-site testing experience, experienced partial discharge experts and field engineers, PMDT also provides PDExpert Services -- professional on-site partial discharge detection and location services to help the customers find the potential risks, evaluate the operating status of the electrical assets, and deliver complete and final problem solutions.
-
product
Bi-Directional-Coaxial LD/PD Module
BiDi-F1000 (FTTx)
Hangzhou Huatai Optic Tech. Co., Ltd.
*Laser optical: DFB or FP* DFB laser optical: with isolation or without isolation* Low threshold current and operating current *High output power *Built-in InGaAsP monitor PD *High responsivity, InGaAs planar PIN detector* Wide temperature range operation(Tc=-40℃to+85℃) *Fiber ITU-T G.657 Bending low loss, fiber optic cable features
-
product
PMA Suite For The PSA/PSL-3000: 802.3at (30W) PSE's
*In-Depth System Testing of 802.3at and 802.3bt 2-Pair PSE's Using PSA-3000 or PSL-3000 instruments*Concurrently Analyze Up To 192 PSE Ports*Robust Emulation of Type-1, Type-2, and Type-3 (Class 4) PD's Including PoE LLDP*Assess PSE Power Administration Decisions*Assess PSE Power Management Behaviors*Static and Transient Reserve Capacity Analysis*Per-Port Variation and Uncertainty Analysis*Assess PSE Power Reliability Over Time*Colorful and Graphical Pop-Up Spreadsheet Reporting*Available to PSA-3000 and PSL-3000 as part of the Live PD Emulation license feature
-
product
UltraTEV Detector
The UltraTEV Detector is the ideal instrument for initial PD surveys. EA Technology's UltraTEV Detector identifies faults BEFORE they lead to failures by testing for critical PD activity using both internal and surface sensors. This device is essential to personal safety and due to its self-explanatory LED display system requires minimal training.
-
product
Online Partial Discharge Alarm System
PD Annunciator™
The PD Annunciator™ unique design consists of a three channels acquisition module paired with sensors of your choice, most commonly TEV and Acoustic or HFCT. With many advancements and innovations, the PD Annunciator™ handles partial discharge monitoring on metallic cabinets using our proven and advanced technologies.
-
product
Real-Time Online Monitoring to Detect and Analyze Potential Partial Discharge (PD) Signals and Insulation Faults using UHF, AE, and HFCT
PDMonitor
Power Monitoring and Diagnostic Technology Ltd.
The PDMonitor, which utilizes Ultra High Frequency (UHF), Acoustic Emission (AE) and High Frequency Current Transformer (HFCT) sensors and is designed to conduct real time online monitoring to detect and analyze potential Partial Discharge (PD) signals and insulation faults before they lead to breakdown or catastrophic failure in power assets. The system provides the developing trend of the PD, when occurring, as alarms in real time, thus helping to predict the insulation degradation status of the asset, prevent sudden accidents, and provide an effective database for Condition-Based Maintenance (CBM) of power assets.
-
product
Data Analysis
Power Monitoring and Diagnostic Technology Ltd.
PMDT Engineers are always available to review your test samples and to provide guidance to users in the field. Our PD experts have the ability to accurately analyze various types of field test data based on PRPD/PRPS spectrums, waveforms and audio files collected during a field test.
-
product
PoE PD Test Solutions
Explore PoE PD Test solutions from Sifos Technology. What type of testing does your Power-Over-Ethernet Powered Device need?
-
product
Portable PD Acquisition Unit
AQUILA
Techimp AQUILA has been expressly designed to respond to all these needs being a robust and compact portable all-in-one PD detection station providing a full range of options ideal for on field applications. It can cope with the toughest outdoor conditions while taking measurements on any electrical asset. 15 years of service experience has been condensed in this unit integrating TECHIMP innovative PD detection technology with multiple connectivity (Wi-Fi, Fiber Optics, USB, Bluetooth) and power supply.
-
product
40Gb/s Coherent Receiver
The integrated 40-Gb/s DP-QPSK receiver incorporates two 90° optical hybrids with four pairs of balanced photodetector (PD) and four linear TIAs into a single butterfly package. Unlike other technologies in which the polarization beam splitter (PBS) and/or the power splitter (BS) are not included, Optoplex’s receiver includes both of them with the optical hybrids, PDs and the TIAs to offer a fully integrated solution which will benefit users in terms of completely removing fiber routing and the skew management. The integrated receivers work at the symbol rate up to 12.8GBaud/s.
-
product
Temperature Controller
2500
The Series 2500 Temperature Control provides an impressive array of features in an economical 1/4 DIN package. Features include on-off, time proportioning, proportional, PI, PD, or full PID control, programmable from the front panel, or use Self-Tune PID.
-
product
PLC's
The EPL101 PLC is a circuit board OEM PLC. The EPL101 has 4 analog inputs, 7 digital inputs and 2 inputs for Encoders. It has 6 relay outputs, 5 that are rated for 5 Amps and 1 relay rated for 16 Amps. It also has an analog output 0-5 Volts. The outputs can be simple on off or P, PI,PID or PD control. The EPL101 accepts inputs from K, S, T, R, J or E type thermocouples, Pt100, Ni100 RTD'S. NTC10K thermistor inputs. The EPL101 also accepts inputs from sensors with 4-20mA, 0-20mA, 0-20mV or 0-1V signal. It also has 6 digital PNP inputs up to 1 Hz and 2 NPN inputs up to 2 K Hz.
-
product
Partial Discharge Meter
APD-LT
The APD-LT equipment is a partial discharge meter in cable accessories (heads or insulators) to improve safety and maintenance. The PD level is presented numerically in the wireless unit.
-
product
Portable PD Monitoring
ASM-P
The ASM-P can be configured with up to 32 PD sensor channels. If excessive discharge is detected, the ASM-P 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.
-
product
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.
-
product
Training and Support
Power Monitoring and Diagnostic Technology Ltd.
Along with after-sales training, PMDT also offers training sessions for our representatives and customers scheduled throughout the year. These trainings will cover the basics of PD Theory, PD Types, Detection Methods, and the entire catalog of PMDT products and solutions, including how to use the products effectively.
-
product
Diodes
Development target specification*PD=5W class*Capability for load dump surge:ISO7637-2, JASO A-1*Reliability standard:AEC-Q101*Package size:[W×L×H] 12.0×9.6×4.3(mm)
-
product
PD Coupler
Techimp Capacitive PD Couplers offer both the PD and sync signals references, allowing a thorough investigation of the signal originating inside the asset they are connected to.Techimp Couplers are individually tested according to the following international standards: IEC60358; IEC60694; IEC60270.
-
product
PD Measuring System
TEM
Partial discharge test system for laboratory or on-site measurement according to VDE 0434, IEC 60270 and EN50178 consisting of:*Partial discharge meter TMG*High-voltage coupling capacitors for decoupling of the PD pulses*Partial discharge calibrator TPK for determining the correction factor in the PD test circuit
-
product
Handheld PD Tester
Weshine Electric Manufacturing Co., Ltd
TEV partial discharge inspection instrument uses two emerging technologies, transient-to-ground voltage (TEV) measurement and ultrasonic (US) measurement, to detect faults in switchgear. The equipment is portable and easy to operate. The TEV sensor is attached to the wall of the box, and the US sensor scans and detects along the gap on the switch cabinet.
-
product
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.
-
product
Spiral Antenna UHF Trafo
UHF Spiral antenna is a partial discharge sensor designed to receive electromagnetic (EM) emissions from a PD occurring in the monitored asset. It is a broadband antenna with a flat response which makes Spiral antenna suitable in a number of different applications. It has been optimized to operate in a frequency range typical for PD activity and it was designed to provide maximum sensitivity and high gain. Its compact and robust design (passive sensor) makes Spiral antenna the optimal sensor for direct installation on high voltage Transformers. It can be virtually applied in any electrical equipment provided that it has apertures or EM transparent surfaces. Contact our sales department for consulting.
-
product
Solution for Industrial Monitoring
PDScope
Techimp PDSCope is a brand new product of the PDCheck family particularly designed to suit all the requisites of the Techimp TiSCADA systems for on-line monitoring of diagnostic quantities in electrical assets.Techimp PDSCope is a powerful PD analyzer based on Techimp TF Map technology (patented) allowing preliminary noise rejection and automatic calculation of statistical parameters relevant to Partial Discharges.
-
product
Smart Sensorgrid NG
Smart Sensorgrid belongs to the smart sensor family devised for on-line monitoring of diagnostic quantities in electrical assets. It provides traffic-light alerts to SCADA systems / asset and maintenance service. Smart Sensorgrid is a state-of-art PD analyzer, exploiting the TECHIMP T-F Map technology (patented). Such feature allows noise rejection and automatic alarm warning based on amplitude and repetition rate trend relevant to statistical parameters. The PD sensor, a HFCT, is integrated in the smart sensor body.
-
product
Thin Film
Substrates: ceramics, glass, soft substrates. Conductor: Au, Pt, Pd, Ni, Cu, Ta, WTi. Dielectrics: Polyimide, SiN. Micro strip and coplanar design. Through hole metallisation, filled via. Integrated resistor and capacitor. Air bridges. Polyimide Multilayer.
-
product
Power Management Analyzer Suites
While most PSE ports are part of multi-port PSE, behaviors of such systems of PSE ports are beyond the scope of IEEE 802.3 specifications. Sifos offers two fully automated analyzer suites that uniquely characterize PSE port administration and power management behaviors including PD admittance policies, PSE capacity management, LLDP policies, and powering stability. Each of these suites are built upon Live PD Emulation, a feature that enables each test port to independently and continuously emulate user-described PD’s.
-
product
PoE Tester
PE-100
The PoE Tester/Power Monitor is designed for testing standard PoE and measuring power of PoE systems, by performing both PSE (Power Source Equipment) detecting and PSE/PD (Powered device) inline testing. Compliant with IEEE802.3 af, 802.3at standard and 802.3bt ultra 4-pair up to 60W-100W. PSE detecting display PoE type (af or at), power source (Endspan or Midspan) and perform a load test for voltage drop with REV LED indicates a reversed power. Inline PSE/PD testing-measure and display in rotation between voltage (Volts), current(Amps) and power(Watts) via dual 4 digit 7 segment LEDs which provides voltage available, current flowing and how much power an PD actually need ensure sufficient power for PD to make the PoE is sustainable.
-
product
Satellite Optical Receiver
SSR-15CW
Hangzhou Softel Optic Co., Ltd.
*Designed for satellite optical system*Wide operating frequency range: 47-2150MHz*Excellent linearity and flatness*Using 1-core single-mode fiber, high return loss*Build-in CWDM, using high linear PD*Output connected to 5 IN series satellite multiswitch*Build-in optical AGC function*Red-LED for power indication*Smaller size and easier installation
-
product
Live PD Emulation For The PSL-3424
*Flexibly Mimic Class 0 to Class 8 Powered Device Per PSL-3424 Test Port*Configure up to 96 IEEE 802.3 PD’s on Any Combination of 2-Pair and 4-Pair PSE Ports with Loading up to 100W on Every Port*Emulated PD’s Automatically Handle PSE Power Demotions (Assigned Class)*User-Defined Powered Device Load with Optional Cable Loss Modeling*Emulate 802.3at and 802.3bt PoE-LLDP* Negotiations and Power Adjustments (PSL-3424L)*Monitor Multi-Port Live Emulation Status*Available to PSL-3424A and PSL-3424L as optional license feature