The ANFL series laboratory AC power supply adopts FPGA digital control, instantaneous waveform control and high-frequency pulse width modulation (SPWM) technologies. It has the advantages of fast response speed, high output accuracy, and superior waveform quality; it can withstand 3 times the rated Current impact capability, strong load adaptability; equipped with EMI filter to provide pure output waveform while preventing interference to the power grid; using 8-inch color LCD, beautiful and high-end appearance, with digital keys, operation is more convenient. It can be widely used in laboratories, quality inspection units, scientific research institutes and certification centers. Features: 1. Adopt FPGA digital technology, realize accuracy control and high quality sine wave output;; 2.Operating in over current shock (up to 3 times of rated current)within 2s, start the impact load of 1/3 capacity of power supply directly; 3.Input and output configuration EMI filter to provide pure output waveform while preventing interference to the power grid; 4.Adjustable voltage and frequency during output status, frequency change without transit time; 5.Voltage binning function: 0.0-150.0V, 150.1-300.0V, automatically adjust or lock 0.0-300.0V; 6.Measurement: voltage, current, current peak, frequency, active power, apparent power, power factor, voltage peak factor; 7.Online monitoring: monitor IGBT temperature, transformer temperature, fan speed, input voltage and other parameters during output status; 8.Multi-group shortcut group, power-down memory function, shortcut keys and knob operation; 9.Operating data recorders: keep the record of power supply status and alarm code automatically during alarming, save the maintenance time; 10.Fan speed will be adjustable automatically with the temperature of power supply to reduce the noise; 11.Lock key, user-friendly design, automatically locking without operation for 5 minutes to prevent from operation mistakes; 12. Combination cabinet, 8" large-screen color LCD; 13.Standard RS232, optional RS485, GPIB, Ethernet, analog control and other remote communication/control.
we are a professional manufacturer of inverters DC12V24V48V OU AC110V 220V 230V 240V 50/60HZ
Optional MPPT/PWM solar charge controller 60A MPPT Efficiency max 98% DC Start & Automatic Self-Diagnostic Function High Efficiency Design & Power Saving Mode to Conserve Energy Auto restart when Ac is recovering Smart battery charger design for optimized battery performance Selectable charging current based on applications AC input/DC input/Solar input optional priority Auto Restart Voltage
Rated Power 2000W Peak Power 4000W DC Input Voltage 12V 24v 48v AC Output Voltage 110V 220V AC Output Frequency 50Hz 60Hz Waveform Pure Sine Wave Wave Distortion 3% Efficiency 92% DC Link Binding Post Pure Copper Terminal AC Link Single Dual Triple Receptacles Protect Function Short Circuit Over load Over Voltage Under Voltage Over Heating Shut Down Starting Method Soft Starting Cooling Method Intelligent Cooling Fan Working Temperature 50 Storage Temperature -30 70 Humidity 20% 90% Item Net Weight Gross Weight 2.9kg 3.6kg Item Size 340 165 85mm Packaging Size 390 235 155mm Warranty 2 Years
Rated Power 300W Peak Power 600W DC Input Voltage 12V AC Output Voltage 110V/220V AC Output Frequency 50Hz/ 60Hz Waveform Pure Sine Wave Wave Distortion 3% Efficiency 92% DC Link Binding Post Pure Copper Terminal AC Link Single Dual Triple Receptacles Protect Function Short Circuit Over load Over Voltage Under Voltage Over Heating Shut Down Starting Method Soft Starting Cooling Method Intelligent Cooling Fan Working Temperature 10 50 Storage Temperature 30 70 Humidity 20% 90% Item Net Weight Gross Weight 1kg 1.3kg 1.1kg 1.5kg 2.9kg 3.6kg Item Size 230 105 85mm 230 105 85mm 340 165 85mm Packaging Size 260 155 105mm 260 155 105mm 390 235 155mm Warranty 2 Years
TEM Grids (Transmission Electron Microscopy Grids) are used as specimen support grids for electron microscopes. We customize various patterns of TEM grids according to your exact requirements. Grids can include square mesh grid, hexagonal mesh grid, fine hexagonal grid, finders grids, slot grids, parallel bar grid, folding/double grids, aperture/hole grid etc. Materials can be copper, nickel, aluminum, stainless steel, molybdenum etc. Please send us your specification details of the pattern, bar thickness, material and quantity and we will provide a quotation.
DC to AC Solar Grid Tie Inverter 800W for PV System   Advantages of Smart Microinverter 1. Unique circuit design, choice of import industrial electronic components, higher efficiency, more stable performance. 2. Creative MPPT technology, efficiency more than 99%, faster and more sensitive reaction, more reliable. 3. Parallel type design for DC input and modularization design for inverter, small volume, distributed installation, easy for system configuration, flexible for combination, strong expansibility of system. 4. Adopting high-frequency isolation transformer type, high efficiency, and high security. 5. Perfect electrical protection function. 6. Aluminum alloy housing, not rust, heat-resisting and cold-resistant as well as anti-corrosion. 7. Getting electronic circuit design, appearance design and other core technology patents.  Technical Parameters: Rated Power800W Solar Panels36 cells/18V Vmp: 18-21V;  Voc: 20-24V60 cells/24V Vmp: 26-30V; Voc: 34-38V72 cells/36V Vmp: 35-39V; Voc: 42-46V DC Input Range10.8-28V20-40V24-45V MPPT Voltage15-23VDC24-34VDC26-36VDC DC MAX. Current80A60A50A AC Output 120VAC(90-140VAC)  or  230VAC(190-260VAC) Frequency 50Hz/60Hz(Auto control) Power Factor>97.5%
Feature: EM12 is first class frequency inverter with very strong software and hardware. It has servo drive feature, with perfect speed control mode, and excellent torque control mode. It can save 2 group motor parameters , and can drive synchronous motor and asynchronous motor. It has sensor-less vector control (SVC), vector control+ PG; V/F control and V/F separation control. It has 49 kinds digital input functions and 38 kinds digital output functions. It has S curve of acceleration and deceleration, user can self defined S curve turning time. The IGBT carrier frequency can auto adjustment according to heat sink temperature. 35 kinds protection function, including auto detecting short circuit after power on. Including textile swing frequency and skip frequency function, etc. Voltage Rangeï¼?220Vï½?240V; 380Vï½?440V. Input Frequency Rangeï¼?45ï½?65Hz. Output Voltage Rangeï¼?0Vï½?rated input voltage. Output Frequency Rangeï¼?V/F( 0ï½?3000Hz); Vector Control (0~300Hz). Overload Capacity:60s with 150% of rated current, 3s with 180% of rated current. From 0.75ï½?30KW Plastic house; 30ï½?400KW is metal house. Speed Accuracy: ±0.5% (SVC); ±0.02% (VC). Pulse setting input: 0Khzï½?100Khz. All model built-in RS485 card, and approved by CE, Rohs, ISO9001 quality certificate. EM12-G3/P3 models are integrated IGBT.
VFD(Variable-frequency Drive) ; Variable voltage variable frequency inverter ; General-Purpose Inverter; AC adjustable frequency inverters ; application field: Textile and Printing; Energy Saving; Water Supply; Industrial Washing; Plastic Injection; Machine Tool; Press Machine; Air Compressor; Petrochemical; Construction Hoist; Machine Manufacturing
LFG-50 & PT-14 Сable tracing and fault location set, can be used for locating as well as tracing underground metal communications, such as any cables with metal cores as well as metal pipes. In addition, it provides operator with a quick detection of short circuits on cables as well as with an identification of a cable in a bunch. LFG-50 is a 50 W low frequency generator with ability to inject a signal of three frequencies via direct connection to an object or via internal transmission loop antenna, which is built-in a cover lid. Basic frequencies are 491; 982 and 8440 Hz. There are options of using a single-frequency or multi-frequency signals at the output. The power of the low frequency generator LFG-50 output signal can be adjusted up to 50 W with 2.5 W steps. This signal can be transmitted constantly or broken into separate blocks of 50 % duty cycle with 1 s repetition rate. A load matching is made automatically. Main parameters, such as output power, load impedance, selected frequency are shown on OLED display. If a load is higher than 1000 Ω LFG50 automatically switches into output voltage setting mode. The output overload protection will trip, when operating on short-circuit loops (lower than 0.5 Ω). MAIN FEATURES: Portable and lightweight Moistureproof and dustproof case Advanced LiFePO4 internal battery with fast charging option High-contrast graphic OLED display Multifrequency operation Operating frequencies can be changed upon request Internal transmission loop antenna Automatic load impedance matching Ability to work with energized 0.4kV cables (inductive connection) Overload protection Сable locator PT-14 designed for fast and accurate searching for power cables and other communications, identification of coating defects and the depth, followed by mapping.
EMHEATER has been making effort in drive and control field! EMHEATER has been adhering competitive price for customers! EMHEATER has been taking care of developing together with partners! We have 6 factories and more than 820 staff. As a professional manufacturer of industrial automation products, we are always dedicated to soft starter, frequency inverter, servo motor and drive, EMI filters, harmonic wave AC choke, sine wave filter, brake units and resistor. In the year of 2008, EMHEATER Group does have established China EM Technology Limited to cultivate oversea market.
Low noise and small vibration,Intelligent battery management, long duration.
Product introduction: The high-power solar charging controller adopts industrial-grade product reliability design and has superior stability. LCD display, real-time display of all operating parameters, and can set adjustments. Using MCC microcontroller control, automatic temperature compensation, three-phase PWM charging: constant current - constant pressure - float charge. Comprehensive electronic protection function, effective control of reverse connection, short circuit, overload. Â Four load operating modes: manual, light control + time control, pure light control, real-time control. This controller is mainly used to protect the battery, to avoid overcharging the battery by the solar energy and overdischarging due to load operation. The charging voltage can be automatically adjusted according to the temperature change. The 24V/48V solar system controller automatically recognizes three solar systems of 12V/24V/48V. All products are treated with moisture-proof, metal body, superior heat dissipation, and are still suitable for use in harsh outdoor environments. Widely used in large off-grid power generation systems, outdoor base stations, home power generation, outdoor power generation and so on. Shenzhen Olys Technology 12 years focused on the development and manufacture of solar controller, master the core of solar energy controller, cutting-edge technology, service more than 300 new energy companies. -
Input Voltage (V)Output Voltage(V)Power Range (kW) Single phase 220V± 20%Three phase 0~Input Voltage0.4kW~2.2kW Three phase 380V ± 20%Three phase 0~Input Voltage0.75kW~7.5kW Overload capacity :150% 1 minute; 180% 1 second;200% transient protection Inverter ModelVoltage(V)Power (KW) G/PCurrent (A) Dimension (mm)Figure HH1WW1Dd ZVF330-M0R7T4SD380V0.752.315114010089.5128.5Φ5Fig.2 ZVF330-M1R5T4SD1.53.715114010089.5128.5Φ5 ZVF330-M2R2T4SD2.25.015114010089.5128.5Φ5 ZVF330-M3R7T4MD3.79.0220205125110176Φ6.5 ZVF330-M5R5T4MD5.513220205125110176Φ6.5 ZVF330-M7R5T4MD7.517220205125110176Φ6.5
Grid Tie 1000kw Inverter Features :·High conversion efficiency of 98.7% deliver more energy·Powerful grid management functions (including LVRT)·Friendly touch monitoring interface, easy installation maintenance procedure·Active power continuous adjustment (0-100%)·Reactive power continuous adjustment (0-100%)·Integrated with SCADA monitoring system, totally compatible with smart-grid interface·Intelligent control, entirely meet the requirements of grid·Provide a turnkey solution, easy installation and maintenance·Comprehensive protection for overvoltage, islanding, short-circuit, overload, etc.Datasheet CP 1000Input data (DC)Max. Recommended PV Power (for solar panel STC)1150KWMax. DC voltage 1000VStart voltage / Power520V/10000WPV voltage range500V-1000VMPP work voltage range/nominal voltage500V-850V/600VMax. input current 2240ANumber of independent MPP trackers /stings per MPP tracker2/20Output (AC)Rated AC output power 100KVAAC nominal voltage ; range 400V / 320V-460VAC frequency; range50,60Hz; 44-55HZ/55-65HZRated current1443AMaximum output current1588AAdjustable displacement power factor 0.9leading-0.9laggingTHDI,3%EfficiencyMax. efficiency98.7%Euro - eta98.5%MPPT efficiency99.9%Protection DevicesDC disconnection deviceDC circuit breakerAC disconnection deviceAC circuit breaker DC overvoltage protectionSurge arrestor type AC overvoltage protectionSurge arrestor type Grid monitoring / Managementyes/yesGround monitoring yesOver temperature protection yesInsulation monitoring yesGeneral DataDimensions (W / H / D) in mm2991*2438*2591Weight 3200kgOperating temperature range -25+55??Noise emission (typical)?¤65dB(A)Altitude6000m ( Derating over 3000m )Standby consumption,100WTopologyTransformerlessCooling conceptFan forced air coolingEnvironmental Protection Rating IP54DisplayTouch screen LCDCommunication InterfaceRS485/ EthernetRelative humidity0~95%Certificates and Approvals CE, TUV, CGC, LVRT,
3kw Hybrid Inverter Features :High performance maximum power point tracking ( MPPT)Reverse power transmission Intelligent monitoring managementInput / output is fully isolated to protect the electrical safetyMultiple parallel stackingDigital control system Simplify maintenance
Place of Origin:Zhejiang, China (Mainland) Model Number:NT/NH Series Usage:Low Voltage Breaking Capacity:High Safety Standards:IEC Main color:White Material:Ceramic,Brass, Copper or Silver Fuse wire:Copper or silver Rated voltage:up to 1140V Rated current:up to 1250A Rated breaking capacity:0~100KAv
Place of Origin:Zhejiang, China (Mainland) Brand Name:HAPU or OEM Output Power:201 - 300W Output Type:Single Size:134*106*64 Weight:0.9KG Input Voltage:12V/24V/48V Output Voltage:AC220V Type:DC/AC Inverters Output Frequency:50Hz/60Hz Output Current:Load
Kewo products cover variable frequency inverter, servo drive system, solar pump inverter, automation equipment and so on. Its products are widely used in many fields such as petroleum, chemical, ceramics, lifting, machine tools, metal products, wire and cable, plastic, printing and packaging, textile and chemical fiber, metallurgy, coal, municipal and more.,
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