Thursday, October 31, 2024

TEST-903 3000A ELECTRICAL PRIMARY CURRENT INJECTION TEST KIT

TEST-903 3000A primary current injection test kit adopts ARM chip to control the output process and large capacity of toroidal transformer. It is equipped with LCD screen display current meter, also showed primary current value, secondary current value, turn ratio and the action time. Aluminum alloy body with PC panel component the shell. TEST-903 primary current injection test kit is mainly applied to test CT turn ratio and polarity in the power system, the contact resistance, protection relay, low voltage & high voltage circuit breaker protection test and high voltage generator test etc, which need large current on-site or in the lab.

FEATURES

■ Portable designed

■ Quick and easy to use

■ With CT ratio test function

■ With 6m large current cable

■ Max current output up to 3300A

■ Built-in digital timer, resolution 1 ms

■ Built-in digital ammeter 0.5% accuracy

■ Permanent current up to 3000 A, 15KVA

■ Made up of two units, control and power unit

■ Thermal, short-circuit and overload protection

APPLICATION

■ Switchgear Testing

■ Ground Grid Testing

■ Circuit Breaker Testing

■ Temperature rise testing

■ Protective Relay Testing

■ Current Transformer Testing

■ Recloser and Sectionalizers

■ 3000A Primary injection tests


Sunday, October 27, 2024

T500HVD NON-CONTACT AC HIGH VOLTAGE DETECTOR WITH HOTSTICK

 The Model T500HVD non-contact AC high voltage detector 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 range threshold is reached. the buzzer sounds and a bright red warning light warns the operator of live conductors.The Model T500HVD non-contact voltage detector is powered by three standard 9V 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 indicators are working properly before use.

FEATURES

■ With flashlight function;

■ Powered by 9V cell batteries;

■ Works on unshielded cables only;

■ Audible and visual indication of live voltage;

■ Eight switch selectable voltage sensitivity ranges;

■ Lightweight, minimizes sway at the end of long hot sticks;

■ Designed for use with hot sticks incorporating a shotgun adapter;

■ Wide range of detection; finds 80V to 550kv;one instrument fits all applications;

■ Self-test position ensures that all system functions and indicators are working properly by energizing the complete system;

APPLICATION

■ Trace live wires;

■ Find faults in cables;

■ Service neon lighting;

■ Check grounding equipment;

■ Lighting function with flashlight;

■ Check high frequency radiation;

■ Detect residual or induced voltages;

■ Non-contact detection of live voltages;

■ Check and detect live high voltage cables;



Thursday, October 24, 2024

T-3630L DIGITAL INSULATION RESISTANCE TESTER

 T-3630L Digital insulation resistance meter also known as megohmmeter, high voltage insulation resistance tester, etc., for the insulation resistance test. The instrument has a large LCD screen gray backlight display, data storage, data access, alarm, automatic shutdown and other functions. At the same time, it also has the function of measuring AC voltage absorption ratio and polarization index of DC voltage. The machine is beautiful and upscale, has a wide range, high resolution, convenient operation, easy to carry, accurate, reliable, stable performance, strong anti-interference ability. Moreover, it has a shockproof, dust-proof, moisture-proof structure and is a commonly used and indispensable instrument for telecommunications, electricity, meteorology, computer rooms, oil fields, electromechanical installation and maintenance, and industrial enterprises that use electricity as industrial power or energy. T-3630L insulation resistance meter is suitable for measuring the resistance value of various insulating materials and the insulation resistance of transformers, motors, cables and electrical equipment.

T-3630L Digital insulation resistance meter consists of medium and large scale integrated circuits. The output power of T-3630L is large, and its output voltage level is 5 voltage levels. Rated insulation test voltage range 100-2500V, insulation resistance measurement range 0.01MΩ - 200GΩ. DC voltage measurement range 0-1000V, AC voltage measurement range 0-750V.

FUNCTION & FEATURES

■ 0-200GΩ;

■ Accuracy 3%;

■ DC Voltage test;

■ AC Voltage test;

■ AC voltage 0-750V;

■ With gray backlight;

■ DC voltage 0-1000V;

■ Recorder 500 sets data;

■ With replacement battery;

■ 100V, 250V, 500V, 1KV, 2.5KV;

■ Digital insulation resistance test;

■ User friendly menu guided operation;

APPLICATION

■ Universities;

■ Power plant;

■ Oil gas company;

■ Research institutes;

■ Electrical laboratory;

■ Electrical testing center;

■ Communication company;

■ Railway electrical department;

■ Electrical equipment manufacturers;

■ Electricity power bureau & power company;

■ Power engineering commissioning company;

■ Electrical department of industrial and mining enterprises;



Sunday, October 20, 2024

T-3730 ground pile resistance clamp tester with 4/3/2 pole

The T-3730 ground pile resistance clamp tester uses 2.4-inch color screen design, with clamp resistance, three or four wire resistance, AC voltage, current measurement functions, and also has data storage, data access, alarm, automatic shutdown and other functions. The ground-pile clamp ground resistance tester is controlled by a microprocessor and can accurately detect ground resistance. It uses fast filtering technology to minimize interference. At the same time with data storage and data upload functions.

The T-3730 ground pile resistance clamp is beautiful and high-grade, wide range, high resolution, convenient operation, easy to carry, accurate, reliable, stable performance, strong anti-interference ability.It also has a shock-proof, dust-proof, and moisture-proof structure. It is a commonly used and indispensable instrument for telecommunications, electric power, meteorology, computer rooms, oil fields, electronic mechanical installation and maintenance, and industrial enterprises that use electricity as industrial power or energy. This model T-3730 ground pile resistance clamp is suitable for measuring grounding resistance of various telecommunications, electricity, meteorology, computer rooms, oil fields, power distribution lines, transmission lines of iron towers, gas stations, factory grounding grids, lightning rods, etc. 






Wednesday, October 16, 2024

T-3720 ~1200Ω earth resistance clamp tester

T-3720 earth resistance clamp tester is a ground resistance measurement instrument. It uses a new generation of LCD black screen backlight display and microprocessor technology. Ω+A synchronously displays the grounding resistance by induction. It does not need to measure the grounding system in the loop. It is safe and fast to disconnect the earthing lead off line without auxiliary electrodes. It is widely used in telecommunications, electric power, meteorology, engine room, oil field, power distribution line, tower transmission line, gas station, factory grounding grid, lightning rod and so on. The instrument has the characteristics of accurate, fast, simple, stable and reliable.

T-3720 earth clamp tester is controlled by microprocessor, accurate detection of earth resistance, leakage current. It uses fast filtering technology to minimize interference. At the same time, 500 groups of data can be stored. It can monitor data online through monitoring software, upload USB data to PC, and have unique functions such as numerical maintenance and intelligent alarm prompt. This model T-3720 earth resistance clamp meters are particularly suitable for measuring earth resistance in various installations such as buildings, pylons and RF transmitter sites without system disconnection. In addition, they can be used for the inspection and verification of lightning protection systems and virtually any installation where a current loop can be generated.




Sunday, October 13, 2024

GF4385 portable three phase power quality analyzer

GF4385 portable power quality analyzer is a low cost PQA carefully developed by GFUVE GROUP and specially designed for field test of three phase system, multi-functional and intelligent, concise man-machine operation. It is easy to use, large LCD screen display, high resolution, English display, IP65 shock-proof shell structure and so on. simultaneously measure 4-channel current (I1 I2 I3 I4 three phase and neutral wire current) and 4-channel voltage (U1 U2 U3 U4 three-phase voltage and neutral line voltage to ground), the peak value of current voltage, maximum/minimum value over a period, three-phase unbalance factor, short-flicker, transformer K factor, active power, reactive power, apparent power, power factor and displacement power factor, active power, reactive power, apparent power, total harmonic distortion and harmonic, etc; Display real-time waveform, harmonic ratio bar charts of current voltage; Dynamically capture instantaneous change of voltage current, monitoring starting current, monitoring the power parameters and generate the alarm list, generate the trend chart for a long time record test data.




Saturday, October 12, 2024

GF438II 6000A 1000V IEC61000-4-30 class A handheld three phase power quality analyzer

GF438II handheld three phase power quality analyzer offer the best ability in power quality analysis, GF438II handheld power quality analyzer help locate, predict, prevent and troubleshoot power quality problems in three phase and single phase power distribution systems. Additionally, GFUVE patented energy loss algorithm, unified power measurement, measuring and counting energy losses due to harmonics and unbalance issues, allowing the user to pinpoint the origin of energy losses in the system.

GF438II handheld three phase power quality analyzer supports the measurement of 50 Hz and 60 Hz power frequency system. It can record and analyze different types of power quality parameters such as voltage, current, harmonic, frequency, fluctuation, flicker, swell,sag, power and three-phase unbalance of power supply line. It has advanced power quality measurement function and provides professional upper computer GFUVEPQA analysis software for secondary analysis and report file. To provide users with the most accurate power fault diagnosis analysis. And there are Ethernet, input contact, output contact, USB and other communication ports, which can flexibly carry out network communication.

FUTURES

• With PC management Software

• 10000 screenshots save

• 8 channel voltage & current

• IEC61000-4-30 CLASS A 0.1%

• 32G data logger/recorder waveform

• Support multi-brand current probe

• 2-63rd harmonic measurment

• Voltage swell, Voltage sags, DIP

• Fliker & In-harmonic measurement

• Inrush current

• Energy line loss

• Unballance

• 1000V/5A/100A/500A/1000A/3000A/6000A

• 40-70HZ range, accuracy 0.001Hz




Monday, October 7, 2024

GF101 PROGRAMMABLE SINGLE PHASE PHANTOM LOAD POWER SOURCE

The GF101 AC power calibrator is equipped with RS232 port as standard communication interface to control external devices remotely. In the power calibration mode, the GF101 programmable phantom load power source can be used as a source to calibrate single-phase AC watt meters, power analyzers, and energy meters. In this mode, the output voltage can be set up from 0 to 1000V, the output current from 0 to 200A, and the power factor from -1.0000 to +1.0000 lead/lag in the frequency band from 40Hz to 70Hz. Power factor is an important element when users judge the efficiency of a device. It is suitable for power department, measuring department, quality control department, research units, institution of higher learning, electric energy meter, power distribution terminals, power supply management, load control, power quality, reactive power compensation device and production of the enterprise and so on. It can be as single phase voltage source, current source and power source.

FEATURES

■ Switching range automatically;

■ Output range widely: 0-200A, 0-1000V;

■ High precision 0.02%, as electrical laboratory standard;

■ Applying the 32-bit MPU + DSP + FPGA, powerful flexible;

■ With RS232 interface, programmable controlled by computer;

■ Using software calibration, easy to operate, stable and reliable;

■ Big screen, 6 inch touch TFT LCD display, Chinese or English menu, easy to operate;

■ Using hardware PID, fast response, the change of load will not cause volatility output;

■ Perfect over-current, over-voltage, over-heat, shorts-and-opens, overload protection, automatic failure detection;

■ Setting up and taking the load regulation of voltage, current, phase and frequency of the power factor;

■ Amplitude 2nd-128th phase harmonics, and it can be added to the fundamental wave in every harmonic output;

■ A wide range output of voltage and current, big power, high stability, small waveform distortion degree;

■ Strong load ability, taking capacitive load, sensibility load, resistive load or composite load, load regulation is higher than 0.01%;

■ Power frequency waves reach up to 50000 points every cycle wave, signal output without filter, precise waveform output, precise harmonic output, small harmonic distortion degree;

APPLICATION

■ Universities;

■ Energy meter R & D;

■ Electrical testing center;

■ AMI Research institutes;

■ Transducer manufacturers;

■ Panel meter manufacturers;

■ Power meter manufacturers;

■ Digital meter manufacturers;

■ Pointer meter manufacturers;

■ Railway electrical department;

■ ISO17025 Electrical laboratory;

■ Measurement and control device factory;

■ Electricity power bureau & power company;

■ Power engineering commissioning company;

■ Manufacturer of reactive power compensation device;

■ Electrical Department of industrial and mining enterprises;