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China High Quality Infrared Leak Detector Manufacturers – GDJD-3A SF6 gas Density Relay Calibrator – HV Hipot
Product Description GDJD-3A SF6 gas Density Relay Calibrator is automatic calibrator, which uses embedded microprocessor to proceed performance calibration for all kinds of SF6 gas density relay. It is also a portable device which can make standard conversion for SF6 gas pressure at any environmental temperature. This device is mainly used for SF6 gas products production, maintenance and monitoring in power system. Features ● Automatically calibrate density relay and pressure gauge. ● Compact design, small size, and light weight, easy to carry. ● Color LCD screen, Windows menu. ● The power supply has UPS function, suitable for field operation. ● With mini-printer, to print test result directly. ● Good sealing property, do not waste SF6 gas during calibration. ● The two ends of con... -
OEM Best earth resistance tester Suppliers – GDHX-9700 Phase Detector – HV Hipot
General Information GDHX-9700 Phase Detector is mainly used in electric power lines, phase, and phase sequence calibration in substation, with main functions including electrical inspection, phase calibration and phase sequence measurement. It uses double shielding and brand-new digital circuits, with strong anti-interference, accorded with EMC standards, suitable for various electromagnetic interference situations. The high voltage phase signal of measured lead will be transmitted directly after treatment, the handset will receive and make phase comparison, determine the results after phase detection, real-time display phase angle difference and vector. It uses wireless transmission technology, safe and reliable, fast, and accurate, suitable for using at different voltage levels (10... -
China High Quality arrester tester Factories – Online Monitoring System for Metal Oxide Arrester – HV Hipot
General Information There are usually two ways to monitor the insulation condition of high voltage electrical equipment in substations: online monitoring and live (portable) online detection. The former one can obtain the characteristic parameters reflecting the abnormal insulation of the equipment at any time, which is convenient for automatic management. However, the investment is relatively large, the installation and construction are relatively troublesome, and regular maintenance is needed. For the latter, it has the advantages of low investment, highly targeted, easy to install, maintain and update. As long as the sampling unit is installed in the electrical equipment in advance, a regular detection can be done for electrical equipment in operation, and insulation flaw can be f... -
OEM Best Vlf Hipot Test Factory – AC hipot test set for insulated boom GDYD-137 – HV Hipot
Application Technical Specifications Input AC 220V± 10%, 50Hz, 32.5A, Single phase Output 0-130kV, 50mA 0-36kV, 180mA Rating 25mA/90mA, continuous working 33.3kV/120mA, 1hour ON/1hour OFF 50mA/180mA, 5mins ON/15mins OFF Capacity 6.5kVA HT Source SF6 gas (Gas testing transformer) Output control Manual control Voltage accuracy ≤ 1.5% (F.S) Current Accuracy ≤ 1.5% (F.S) Timing range 0-99H Metering LCD display, kV meter: there is a switching button, the range is 0-36kVAC if it switches to 36kV, the range is 0-130kVAC if it switches to 130kV mA meter: 0-5.000mA Humidity 85% RH Environmental temperature -20℃～50℃ -
China High Quality megohmmeter Supplier – GD3128 Series Insulation Resistance Tester – HV Hipot
General Information GD3128 series Insulation Resistance Tester has perfect testing function of various insulation resistance parameters and excellent anti-interference ability, which can be used to test the insulation resistance of large capacity high voltage electrical equipment and transmission lines in strong inductive environment such as substation. The instrument adopts true color touch screen, all test data and battery power are displayed on the same screen at a glance, and the combination of knob switch and key makes the operation very simple. The user does not need to memorize the operation method. Click “HELP” on the screen to pop up the operation method, which can effectively guide the user to operate the instrument. The instrument has the function of fast disch... -
OEM Best The Capacitors Exporters – Partial Discharge Test System GDYT series – HV Hipot
GIT Series GIS High Voltage Test Sets integrate the high voltage boosting, high voltage measurement, high voltage transformer, high voltage coupling capacitors and all components in a sealed space. There are two modes to generate high voltage 1) Using reactor inductance and test object capacitance to realize voltage resonance test, to obtain a high voltage, high current from test object. 2) The other one is to obtain required high voltage directly from high voltage transformer. It is widely used for high voltage, big capacity GIS power equipment insulated withstand voltage test, partial discharge test and GIS transformer accuracy test, suitable for GIS substation, GIS power equipment manufacturer, basin type electrical insulator manufacturer. Features ● The High voltage o... -
OEM Best Underground Cable Test Manufacturer – GD-7018A Optical Fiber Identifier – HV Hipot
The GD-7018 series optical fiber pipeline identifier can accurately locate and meaure depth of the underground pipelines, cables and optical cables under the condition of without digging, and accurately find the damage points of the outer coating of the underground pipelines and the location of the underground cable fault points. The instrument incorporates the most advanced technologies such as ultra-narrow band filter, Bluetooth wireless communication, GPS positioning, automatic data mapping by professional data analysis software and automatic generation of test reports. The detection and inspection of various kinds of metal pipelines, pipeline management and maintenance, municipal planning and construction, pipeline inspection in power supply and other departments is one of the neces... -
OEM Best Ac Capacitor Discharge Tool Factories – Partial Discharge Test System GDYT series – HV Hipot
GDYT is mainly used for testing frequency voltage insulation level of various insulation materials, insulation structure and electrical products, also as partial discharge frequency testing power supply for testing object such as transformer, mutual inductor and lightning arresters. It widely used in electrical manufacturing, power operation departments, research institutes and universities. It includes below components 1. Hipot Test Control Unit GDYD 2. PD-free Gas type transformer YDQW 3. Coupling capacitor 4. Protective resistor 5. Isolation filter LBQ 6. Partial discharge detector Features ● Advanced PD-free epoxy insulating tube, small partial discharge capacity. ● Low impedance voltage, better than national standard. ● Automatic co... -
China High Quality how to do dewpoint test Manufacturer – GDBS-305 Automatic Flash Point Closed Cup Tester – HV Hipot
General Information GDBS-305 automatic closed cup flash point tester is the device testing closed cup flash point for petroleum products. It use module design which one host can control several testing furnace, to test different samples at the same time or separately. The testing furnace port can be connected to the host disorderly. It widely used in the field of railway, air company, power, petroleum and research department. Features ● 320*240 TFT LCD screen. ● With high speed signal processor control, reliable and high accuracy. ● One host can control several test furnace to test several samples at one time, which will save testing time. ● Automatic ignition with no gas source ignition mode. ● Built-in atmosphere pressure sensor, auto-measure and calibrate result. ● Self-adapti... -
China High Quality Capacitor Benefits Manufacturer – Insulation Materials Hipot Test Set GDJS-65 – HV Hipot
GDJS-65 Insulation Gloves Test Set It is used to test insulation performance for insulation gloves, boots, mats, hats, rod, Electroscope etc. It can test 6pcs insulation gloves/boots at the same time, also 5pcs insulation rods. Features Manual control unit ● Digital and real time display HV voltage, LV current, 6-way leak current and time. ● With leak current meter and over-current protection meter. ● With movable control unit, easy wiring and testing. ● Manual control, safety and reliability. ● With zero, power, operation, timing indicators. ● With over-current protection, zero-start protection, sound and light alarm, power protected switch. ● New type timer, broader timing range.(1s-99h). Other features ● HV source is oil immersed type testing transformer.(dry type and SF6 gas t... -
China High Quality relay test kit price Factory – GDJB-802 3 Phase Secondary Current Injection Relay Test Set – HV Hipot
General Information GDJB-802 3 Phase Secondary Current Injection Relay Protection Test Device plays a key role in operating electricity power systems reliably and safely. It can automatically judge over-current, over-voltage, overload, short circuit, high temperature, abnormal data and warning prompts for misoperation. In addition to the verification of various relays (such as current, voltage, inverse time, power direction, impedance, differential, low cycle, synchronization, frequency, DC, intermediate, time, etc.) and microcomputer protection, it can also simulate single-phase to Three-phase transient, permanent, and transitional faults are tested for the entire set. It can also complete various large-scale and complex calibration tasks with a high degree of automation, can automa... -
China High Quality Lightning Impulse Generator Suppliers – GDCY-300kV/30kJ Impulse Voltage Test System – HV Hipot
Application This impulse test system is used for carrying out full wave lightning impulse voltage tests on HV apparatus such as clearance, bushings, capacitors, switches, power transformers(capacity below 5000kVA), CT/PT at 35kV or below. Operating Condition ● Altitude: 1000m. ● Ambient Temperature: -5℃～＋45℃. ● Max. daily difference temperature: ≤25℃. ● Relative humidity: <90%. ● Anti-shock ability: ≤ level 7. ● Horizontal acceleration of the ground: 3.0m/s2, Vertical acceleration of the ground: 1.5m/s2. ● Waveform of power supply voltage wave is sine actually, and the waveform distortion rate<3%. ● It should be grounded reliably, ground resistance <0.5Ω. ● Usage environment: indoor. No conductive dust, No fire and explosion, No corrosive metal and insulation gas. Applied Sta...
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