Basic Info Model NO.: GWEFD12 EFD15 EFD20etc GWRM4, RM5, RM6, RM8etc Usage: Single-phase Transformer Frequency Characteristics: High Frequency Shape of Core: Etd,RM Brand: Grewin Type: High Frequency Transformer Coil Number: High Magnetic Flux and Low Loss Magnetic Materials Indicative Power Capacity: UL Insulation System for Class B (130), F (155), H Trademark: Grewin High Frequency Transformer Transport Package: Export Standard Carton with Strong Pallet Specification: VDE, CE Origin: Tianjin HS Code: 85043190 Product Description We have passed ISO9001:2015,CE,SGS approval and IEC report 1).Features: Has a strong anti-interference, distributed capacitance, impedance, attenuation of low transmission, firm structure,can fine-tune the inductance, etc., are widely used in fax machines, PBX. 2). Applicable frequency range: 20 to 100kHz : Operating frequency: higher than 200kHz High magnetic flux and low loss magnetic materials With low leakage inductance and high efficiency . 3).Applications: PCB circuits, computer, TV, monitor, scanner, duplicator, mobile adapters, printer and other equipments and instruments. UL insulation system for Class B (130), F (155), H (180) 4). Can make other customized Ferrite transformers: Power range: core type using N67 grade material 500: ETD54, ETD59 and E65 5)Advantage: 1.UL, CUL, CE, ISO9001:2015 2.We offer custom-made transformers, OEM and ODM are welcome 3.We deliver the quality you expect at consistently competitive prices 4.Transformer quality lifetime:10 Years. 5.Specialty Sales service:5 -10 Years 6.Transformers Test: 100% test before the shipment About us: 1). Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ". Grewin Mission: Growing together side by side,Mutual success hand in hand. Production: Ferrite Core High Frequency Current Transformer 2).Terms of Shipment: Within 10 working days after received related prepayment or L/C. 3).Payment terms: (1). T/T 100% or 50% deposit by T/T in advance, balance amount to be paid 7 days before delivery. (2). By irrevocable L/C at sight, to be issued immediately against confirmed order. (3). Payment by T/T, if order amount is less than USD 20,000. 4).Flow chart of trading activities: NO Step Days need 1 Request for quotation 1 day 2 Making quotations 1 day 3 Offer and counter offer 3 days 4 Sending and receiving samples 3-10 days 5 Sample confirmation 3 days 6 Placing a firm order 1 day 7 Paying and receiving the down payment 1-4 day 8 Factory production & Quality inspection 15-20 days 9 Paying and receiving the balance 4 days 10 Delivery of goods 1 days
Basic Info Model NO.: GWEI-28, EI-35, EI-41, EI-48, EI-57, EI-66 etc. Usage: Single-phase Transformer Frequency Characteristics: Low Frequency Shape of Core: EI Brand: Grewin Ei Low Frequency Transformer Type: Encapsulated Transformer Color: Yellow, White, Black, Brown, Red Primary: 115V Single or Dual Ui: Ui20, Ui39 Trademark: Grewin Ei Low Frequency Transformer Transport Package: Export Standard Carton with Strong Pallet Specification: VDE, ISO9001 Origin: China HS Code: 85043190 Product Description 1.Product Specification: 1). Models: EI28, EI30, EI35, EI48, EI57, EI66, EI86, EI96, EI105, EI114, EI133, EI152, EI162 etc. 2). Maximum output: 1.2W, 2W, 12W, 20W, 35W, 40W, 50W, 90W, 180W, 200W, 400W, 600W, 850W, 1500W, 2400W, 2700W etc. 3). Input:100Vac, 110Vac, 115Vac, 120Vac, 220Vac, 230Vac, 240Vac etc. 4). Output:AC(0--380V); DC(0--50V) 2.Product Feature : 1). Easy to install. 2). Lower power consumption. 3). Little temperature rising. 4). High accuracy of output voltage. 5). Diemension and output leads can be customized. 6). Dielectronic Strength is high. 3.Application 1). Measuring instruments. 2).Communication prducts. 3). Medical instruments. 4). Audio & Video 5). Elevator 4.Advantage: 1).UL, CUL, CE, ISO9001:2008 2).We offer custom-made transformers, OEM and ODM are welcome 3).We deliver the quality you expect at consistently competitive prices 4).Transformer quality lifetime:10 Years. 5).Specialty Sales service:5 -10 Years 6).Transformers Test: 100% test before the shipment About us: 1.Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ". Ei Low Frequency Power Inverter Transformer for Measuring Instruments 2.Terms of Shipment: Within 10 working days after received related prepayment or L/C. 3.Payment terms: (1). T/T 100% or 50% deposit by T/T in advance, balance amount to be paid 7 days before delivery. (2). By irrevocable L/C at sight, to be issued immediately against confirmed order. (3). Payment by T/T, if order amount is less than USD 20,000. 4.Production The following picture showed you about all finished transformer production line and package with export standard carton and strong pallets: Ei Low Frequency Power Inverter Transformer for Measuring Instruments
Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio Phase: Single Core: Core-type Transformer Cooling Method: Dry-type Transformer Winding Type: Multi-winding Transformer Certification: ISO9001-2000, UL, ISO9001, CCC Basic Info Model NO.: GWCTT Usage: Single-phase Transformer Frequency Characteristics: 50-400Hz Shape of Core: PCB or Wire Brand: Grewin Shell Material: PBT or ABS Frequency: 50-400 Hz Operating Temperature: -25 to +55c Operating Voltage: 600VAC Isolation: 600V, Bil 10kv Full Wave Accuracy Class: Compliant ANSI Rated Input: 60-4000 Model Name: Instrument Current Transformer Dimension: 12-72mm Company Nature: Manufactory Trademark: grewin Transport Package: Export Standard Cartons with Strong Pallets Specification: CE ROHS Origin: China HS Code: 850450000 Shipping: 1. Products are shipped via UPS / DHL / EMS / HK EMS / FedEx / TNT and so on expresses (door to door). 2. We Provide Drop shipping Service. 3. 20 days around delivery upon receiving payment if the qty is lower than 1000PCS and it is not customized products. 4. In order to ensure you receive your order tax free upon import, we declare lower value. 5. Shipping via EMS. UPS. FedEx and TNT express usually takes 3~7days dependent on the destination country. Payment: 1. We accept Western Union and T/T 2. 30% deposit and 70% before shipping 3. No payment collection. We only can deliver goods after geting full payment. Warranty: 1. We provide 1 year warranty. 2. If the product is defective, please notify us within 3 days of delivery. 3. All products must be returned on their original condition, in order to qualify for a refund or exchange of goods
Basic Info Model NO.: 105VA 150VA 180VA 200VA 250VA 300VA 350VA 400VA Usage: LED Underwater Lamp, LED Ground Light Frequency Characteristics: Low Frequency Shape of Core: Ring Brand: Grewin Toroidal Transformer 100% Copper Wire Made: Toroidal Style ABS Fire Material: Plastic Cover High Performance Insulation: Epoxy Resin Anti-Corrosion: Waterproof Performance Outdoor Waterproof Transformer with Plug: Highly Energy Efficient Water-Safe Making IP Rating: IP64 IP66 IP67 Rating for Outdoor Use Application 1: LED Ground Light, Outdoor Power Supply Application 2: Humidifier, Swimming Pool, Garden Light Short-Circuit-Proof Safety: Isolating Transformer Primary/Secondary Winding: Enamelled Copper Wire Trademark: Grewin outdoor waterproof toroidal transformer Transport Package: Export Standard Carton or Customize Strong Pallet Specification: CE Origin: China HS Code: 85043190
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Uses Sample baking, drying and sample digestion test, is a necessary tool for geological, metallurgical, environmental protection, agriculture, grain and cooking oil, forestry, food, medical and health, biochemical and other laboratories, as well as teaching and research. Sample digestion before chemical analysis of soil, feed, plants, seeds, heavy metals, ore. It is an ideal equipment of sample pretreatment for analytical instruments such as AA, ICP, ICP-MS, and atomic fluorescence. It can also be used for pretreatment and acid removal treatment of microwave digestion. Structure Metal frame, anti-corrosion coating, silicon carbide angular beam, ceramic fiber, high-alumina combined heating plate. ï?¶ Features Convenient operation, fast heating, doesnt expose wires, no open fire, no fire hazards. Insulation protection, safe and reliable. Gradient temperature control, Max. Temperature 500/700. Can be used directly or in combination with silicon carbide plate, so that the temperature uniformity, anti-corrosion have achieved better results.
