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Voltage measuring devices

Partial discharge monitor OMICRON electronics
MPD 600

Partial Discharge Analysis System

Partial discharge (PD) phenomena is evidence of a degrading insulation capacity. As partial discharge often precedes an insulation breakdown of high voltage equipment, its detection and monitoring is of vital importance.

The MPD 600 is a high-end, high-precision modular acquisition analysis toolkit for detecting, recording and analyzing partial discharge events in many applications. Its versatility and robustness make the MPD 600 the ideal system for both laboratory and on-site measurements of partial discharge in any kind of electrical equipment, such as transformers, rotating machines, gas insulated switchgears and cable systems.

Applications

- Transformer testing
- Cable testing respectively on-site assembling
- Gas insulated switchgears (GIS)
- Measurements on rotating machines
- Generator testing

Partial discharge monitor HV Diagnostics AG

The PD monitoring system PD GUARD is especially developed for continuous partial discharge monitoring of high voltage equipment, like generators, motors and power transformers in the conventional frequency range.

Applications
PERMANENT and PERIODIC ON-line Monitoring on HV Apparatus such as; Transformers and Generators.
PERMANENT and PERIODIC On-line Monitoring on HV Cable joints and Cable terminations.
Measurements are made according to international standards (IEC 60270, CIGRE 15/33.03.05)

Specifications
Resolution of apparent charge: 12 bit bipolar
Accuracy of phase resolution: 0.3 degree
PD measuring range (AUTO-ranging): up to 100.000 pC, attenuation in 6 dB steps up to 90 dB
PD frequency band: 10 kHz ... 2.000 kHz
Pulse repetition frequency: 50 kHz
Trigger sources: Phase, internal Mains, External
Power supply: 100 V to 240 V AC, 50/60 Hz, < 30 W
Pre-configured digital filters
range of low cut-off (40 dB per decade): 100 / 200 / 300 / 400 / 500 / 750 / 1'000 / 1'500 kHz
range of high cut-off (40 dB per decade): 500 / 1'000 / 1'500 / 2'000 kHz
Note: It is in accordance to IEC 60270 for a wide-band PD Instrument e.g. with a frequency range of 100-500 kHz.
Special UHF Type available

Partial discharge monitor HV TECHNOLOGIES Inc

Digital and Analog Partial Discharge measuring systems, including coupling capacitors, measuring impedance, noise reduction filters, calibrators, PD bridges, special software for PD evaluation and analysis. HV and LV filters. Shielded enclosures. Complete HV cable test sets. Power Cable Test Van for on-site PD fault location. Automatic PD systems for switchgear, surge arrestors, and transformer/motor windings. Ultrasonic PD Sensors.

AC voltage detector Extech

* Non-Contact detection of AC Voltage from 12VAC to 600VAC
* Sensitivity adjustment increases or reduces sensor trigger threshold
* Audible and visible voltage indication
* Self test function
* UL and CE approved; CAT III-600V

Non contact AC voltage and current detector Extech

* The only two-in-one current/voltage detector designed for electrical testing
* Non-Contact AC Voltage detection
from 12V to 600VAC
* Non-Contact AC Current detection
from 200mA to 1000A
* Sensitivity adjustments to increase or
reduce sensor trigger threshold
* Current sensor detects current flow through shielded wires, conduit, and metal circuit breaker/junction boxes

High voltage detector SIBILLE OUTILLAGE

TAG200 - Electronic voltage absence detector HTA
The TAG200 is an electronic voltage detector designed to check the voltage presence or absence on HTA installations. It is in compliance with the NF C 18-311 standard.
This simple, sturdy appliance is used throughout the world on HTA networks and installations, particular on those of EDF.

TAG2000 - High Voltage Detector HTA
The TAG2000 is an electronic voltage detector which is in compliance with the standards which are applicable and compulsory for all operations used to check for voltage presence or absence.
This appliance is highly stable when operating, whatever the network configurations and the operating temperatures.
Exclusively, this appliance can be set with 3 distinct and self-commutating voltage ranges. This appliance is used on the HTA EDF network.

TAG330 - High Voltage Detector HTB
The TAG330 is an electronic detector used to detect HTB voltage absence up to 735kV. It is fitted with electronics integrating miniature gas-filled spark gaps. Its performance is very high, particularly in the case of very high induction and/or parasite high frequency electrical fields.

High voltage detector AEMC Instruments

275HVD Non-Contact Voltage Detectors
The Model 275HVD is designed to detect the presence of high voltage without physical contact.

An eight position rotary switch selects the detection range. As the sensor is moved closer to the voltage carrying conductor, its sensor head picks up the radiated electric field. Once the threshold is reached, the buzzer sounds and a bright red warning light warns the operator of live conductors.

The Model 275HVD is powered by three standard Alkaline C cell batteries and can be used both in- and out-of-doors. A universal spline on the back-end facilitates attachment to any standard hot stick. A self-test position ensures that all circuitry and annunciators are working properly before use.

High voltage detector DEHN SÖHNE

PHE III Voltage Detector
* Also for use in wet weather
* For indoor and outdoor installations
* With self-testing element
* Visual and acoustic indicator
* Wide nominal voltage ranges
* Easy transport due to detachable insulating rod and test prod
* Fast battery replacement without tools
* Test set with interchangeable test prods for switchgear installations and overhead lines

Nominal voltages up to 30 kV / 50 Hz

Voltage detector SIBILLE OUTILLAGE

TAG700 - LV Voltage Detector
The TAG 770 is a low voltage (LV) bipolar voltage detector.
A reliable device that indicates the voltage of an LV installation in both AC and DC voltage.
Robust, it may be fitted with numerous different types of test prods (probes) with or without IP2X protection and with or without fuses (cartridge). It features extra electrical functions that make it a veritable multi-purpose safety tool.

TAG770 - Low Voltage Detector
NEW !

Multi-fonctions detector, to be used with insulated gloves :
- Interchangeable probe-tips
- 12 to 690 V AC/DC voltage detection: sound and visual signal
- Real time rotary field indicator : 2 wires, 2 colors to identify the rotation sense
- Phase/neutral indication
- Continuity test and self-test

Voltage detector NK Technologies

VTR Series is a high-performance True RMS voltage transducer for single- and three-phase sensing. Applicable on nominal circuits of 120V,
240V, and 480V, the VTR Series provides a fully isolated 4–20mA output proportional to percent of nominal voltage, even in situations with nonsinusoidal waveforms.
A compact enclosure, DIN-rail compatibility and snap-fit quick-connect
terminal blocks make installation and wiring quick and easy.

Battery discharge indicator Curtis Instruments

FEATURES

• Multicolored 10-bar (5 green, 3 yellow, 2 red) LED displays state of charge.
• The top LED illuminates only when the battery is properly charged.
• Double flashing red LEDs signal “empty” alarm at 80% discharge.
• Recognizes improperly charged battery.
• Both fixed and adjustable discharge profiles are available.
• Easy to install.

Remote electrical field detector SIBILLE OUTILLAGE

The DCEDB detector is designed to prevent operators climbing a poor support.
Thanks to its original design, it only analyses the desired electrical fields by modifying the angle of acceptance.
This adjustment is made by means of a sliding sleeve, located around the antenna.

... products without technical information

Partial discharge monitor May Elektronik

Voltage detector Torex Semiconductor

Voltage detector Pace Scientific

Voltage detector SAGAB
230-1000 VAC

Voltage detector SAGAB
12-600 VAC

Voltage detector Time Mark

Voltage detector DEBA

... see all the products in the category

Voltage measuring devices

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