Buyer : Used machinery and equipment's voltage stabilizer, ac and dc power supply, pick and place machines , transformers ,power line controller (plc), vacuum pumps, power amplifier, vacuum oven and nitrogen oven, autoveyor, shield room, audio analyzer, spectrum analyzer, rc oscilloscope, av multi tester, modulation analyzer, signal generator, digital multi meter, stereo modulator, pal scam pattern generator, w/i audio tester, rds encoder, true rms multimeter, hdmi source tester, digital signal generator, wow filter calibration.
Buyer is interested to receive quotations for the following RFQ -
Product Name: Dissolved Oxygen Water Tester
Specifications:
Power supply: AC 110-220V ± 10% 50-60Hz
Working temperature: Zero-C
N.W:0.9kg
Place of origin: CN; gua
Type: dissolved oxygen meter
Brand name: Daxin
Quantity Required : 1000 Set/Sets
Shipping Terms : CIF
Destination Port : South Korea (Republic Of Korea)
Specifications:
AC Hexagonal Voltage Regulator TDGC2J-5000VA Single-phase Voltage Regulator Power Supply 0-250V Adjustable Transformer
Category: Details:
Hello,We are considering using your power supplies for our plush fabric cutting project that involves heating nichrome wire (750cm/24ft). Could you confirm if these units meet our specific requirements? in Sri LankaThank you for your assistance.Best regards,Double S Creations
Current Type: AC
Phase: Single Phase
Type: Linear Voltage Regulator
Type: Switching Voltage Regulator
Display Type: LCD Display
Material: Copper
Protection: Short Circuit Protection
Protection: Overcurrent Protection
Protection: Overvoltage
Protection: Fuse Protection
Capacity: 5000VA
Frequency: 50/60hz
Usage: Other
Voltage Regulators/Stabilizers
Quantity: 1 Piece/Pieces
Please provide a quotation to the following requirement from the importer -
Product Name: Semiconductors
Specifications:
Type: Analog, Mixed Signal
Digital ICs
Diodes, Rectifier
High Power Modules
Optoelectronic Components
Sensors
Transistors
Triacs & Thyristors
A/D Converters
AC/DC + DC/DC Converter
Amplifiers
Size: Standard
Standard And Technical Specifications
Use: Electrical Components
Product Name: 6 Phase Permanent Magnet Synchronous Motor
Specifications :
Category:
Alternative Energy Generators(old)
1. Application And Mission Profile
Application Type: Light Electric Vehicle / Small Electric Three-wheeler (tuk-tuk / Cargo Trike
Class). [1][2]
Duty: Urban Stop-start Operation, Typical 25–40 Km/h, Frequent Accelerations; Up To 8 Hours Per
Day In Mixed Duty. [2][1]
Design Life: At Least 10 000 Operating Hours Or 5 Years In Commercial-style Service (whichever
Comes First).
2. Motor Requirements – Asymmetrical 6-phase Pmsm
Motor Type: Asymmetrical 6-phase Pmsm With Dual Three-phase Windings:
Two Independent 3-phase Sets (abc And Xyz) With Isolated Neutrals (2n3p Topology).
Electrical Displacement Between The Two Winding Sets: 30° Electrical.
Power And Speed:
Rated Mechanical Power: Continuous.
Peak Mechanical Power: For 10–30 S (e.g. Hill Start / Overtaking). [2]
Base Speed: At Rated Torque.
Maximum Speed: (suitable For 35–45 Km/h With Typical Gearing). [1][2]
Torque:
Continuous Torque: At Base Speed.
Peak Torque: For 10–30 S.
Target Torque Ripple: <5% At Nominal Operating Point; <10% At Peak Torque.
Voltage And Current:
Dc Bus Nominal: (72 V Traction Pack). [1][2]
Operating Range: 60–90 V Dc Including Sag And Regen.
Efficiency And Thermal:
Efficiency Target: At Rated Power Under Nominal Dc Bus And Speed.
Thermal Monitoring: Integrated Ntc/ptc Winding Temperature Sensors For Each 3-phase
Group If Possible.
Mechanical And Feedback:
Shaft And Mounting: Suitable For Small Ev / Three-wheeler Traction (please State Standard
Used).
Feedback: Please Propose Resolver / Encoder / Hall Options Compatible With Foc / Mpc
Control.
Quantity: 1 Piece/pieces
Details:
Rfq – 3 Kw Asymmetrical 6-phase Pmsm And Gan Inverter For Light Ev Application
This Request For Quotation (rfq) Concerns A High-reliability 3 Kw Electric Drive For A Research Project, With Parameters Aligned To Small Electric Three-wheeler And Light Ev Applications. The System Comprises:
One Asymmetrical 6-phase Permanent Magnet Synchronous Motor (pmsm)
One Gan-based 12-switch Inverter/controller
The Aim Is To Investigate Fault-tolerant, High-bandwidth Control While Remaining Close To Realistic Industrial Specifications.
1. Application And Mission Profile
Application Type: Light Electric Vehicle / Small Electric Three-wheeler (tuk-tuk / Cargo Trike Class).[1][2]
Duty: Urban Stop-start Operation, Typical 25–40 Km/h, Frequent Accelerations; Up To 8 Hours Per Day In Mixed Duty.[2][1]
Design Life: At Least 10 000 Operating Hours Or 5 Years In Commercial-style Service (whichever Comes First).
2. Motor Requirements – Asymmetrical 6-phase Pmsm
Motor Type: Asymmetrical 6-phase Pmsm With Dual Three-phase Windings:
Two Independent 3-phase Sets (abc And Xyz) With Isolated Neutrals (2n3p Topology)
Switching Frequency / Seminconductors Used (gan Or Sic) If It Does
Specifications:
1: Long range Indicator calibrator
Indicator calibrator optimar 25 with digital readout.
Application: for both analog dial indicator, dial comparator, level type test indicators & digital indicators.
Measuring range: 25mm
Resolution: 0,1um (0.0001mm)
Accuracy: 0+/- 0.2um
Power Supply: (220-240 VAC), 50Hz
Long clearly readable LCD monochrome digital display.
Selectable for either Metric or Inch
Output: USB interface for PC, RS232 Interface
Inspection Program: QN Software/dial – 32 with laptop and printer
Accessories: all operational accessories
Footswitch for data transfer supplied with calibration certificate issued by a laboratory accredited (including the calibration error and uncertainty)
List#4 Standard Glass Scale
High precision glass scale
Accuracy: 0.005mm
Line width: 0.005mm
Measuring range: (0-300mm)
Wooden Case
Calibration Certificate from national metrology institute (NMI)(VSL, PTB, NPL)
List#5 CERA Caliper Checker
Specification:
Wrung high-grade CERA gage blocks in a protective casting
Range: 0-600mm
Accuracy of block pitch: +/-0.005mm
Parallelism of block pitch: 0.005mm
Calibraton Certificate from accredited lab.
List #6 measuring tape and rule calibrator
Calibration unit for checking scales rule and measuring tapes with 0.001 mm resolution
Clamping range: upto 2000mm,
Drawer load range: 20n – 50N
Measurement uncertainty: ((0.05)^2 + (0.005L)^2)^0.5 where L: M
The instrument should be supplied with the required computer, software and accs.
Supplied with calibration certificate from national metrology institute (UME, vsl, or NPL)
List#8 Standard Thickness Foil
Standard block for calibration coating thkness gauge.
Range: (from 0.001 – 1)mm
Calibration certificate from accredited lab.
List #9 Precision Electronic Level
Wireless talyvel 6 electronic precession
Level flatness measurement with PC and Software
Measuring range: 1600s
Resolution: 0.1 arc-sec
Accuracy: +/-0.2sec
Power: 220VAC 50Hz
Calibration Certificate from national metrology institute NMI metrology
List# 10 Small angle Generator
Used for calibration of angle measurement device (sprit level, electronic levels and autocollimators)
with software and PC
Range 1m SAG
Uncertainty measurement = 1 arc second.
Power: 220 VAC 50Hz
Calibration Certificate from national metrology institute NMI metrology
List #11 Handheld, calibrator (process calibrator with portable pressure calibrator)
Measurement and electrical pressure generation at the touch of a button with integrated pump
From -0.8..+20bar (11.6..+290psi)
Accuracy: 0.025% of reading +/- 0.01% FS(including calibration certificate)
Generation/measurement of 4…20mA, 24V voltage supply to power transmitter
Pressure supply via external compressed air-line
With calibration certificate from national accredited lab.
List# 12 Process Calibrator
With Hydraulic handheld pressure with integrated medium reservoir & ergonomic handling
With hydraulic hand spindle pump with function for calibration & pressure switch test
Range: 0-1000 bar
Accuracy: 0.05% FS
Medium: non-corrosive gases, liquids, water
With complete 4 test and service cases
With refence pressure sensor (interchangeable without tools) 1.2m
With Calibration Certificate from national accredited lab
List #13 mechanical vacuum pump
Minus 1bar (220V 50Hz)
With Calibration Certificate from nationally accredited lab
List #14 High Performance Pressure Generation and Control 200MPa PPCH
Precision: to 0.003% of Q-RPT span.
Volume: 0-100cc, 50cc optimum, operated in larger volumes but pressure stabilizing time increases
Dynamic Mode typical time to ready
180sec into a 50cc volume & 20% FS excursions with default hold-limits 1.0 MPa (150psi) (lower in optimum conditions and with PG7302.
RS232 Cable, 9-in 2m for PPC3 COM1 or PPC3 to RPM4 connection
Please quote for the following wholesale product requirement -
Product : Transformer Test Benches
Specifications:
2500kva equipments
Specification :
1.1 Indoor Test Standards:The Transformer Test bench is designed to be used indoors to test Distribution and Power Transformers in the workshop which meet international standards IEC 60076-a11 parts.
1.2 The test bench should be able to perform the test below;
Routine Tests:
a. Transformer oil testing (including acidity, dew point, flashpoint, breakdown, capacitance &tan delta, dissolved gas analysis) Transformer insulation resistance testing
b. Transformer winding resistance testing
c. Transformer turns ratio testing
d. Transformer load/no-load current & loss testing
e. Transformer capacitance & tan delta testing Transformer insulation resistance testing, short circuit impedance & load loss testing Transformer, power frequency withstand voltage testing
f. Impulse voltage testing (including full wave, chopping wave testing)
g. Transformer inductive withstand voltage testing [including kv transformer partial discharge testing]
Type Tests:
i. Temperature rising testing
Special Tests:
Zero-sequence impedance testing
1.3 Test 1ph & 3ph Transformers:The Transformer Test system shall be for testing both Single phase and Three-Phase Distribution Transformers with up to primary voltages 33kV, secondary voltages of 433/240 V and with Power rating up to 1000 kVA, short circuit impedance up to 6
1.4 Safety Provisions: The test bench system shall have safety mechanical and electrical interlocks and warning lights (LED beacons) to safeguard the staff and equipment.
1.5 Common Bench Like Integration: The test bench system shall have the capability to integrate all the test equipment to a Common Bench-like set up for convenience of operation.
1.6 Recording, Analyzing, Printing Data: The test bench system shall have the capability of recording, displaying on a screen, Analyzing, storing and printing the test data and serialized reports.
1.7 Serialized Reporting: The test bench system shall have the capability to generate serialized report after test cycle
Looking for suppliers from:
Worldwide except China
Product Description
Please quote for the following wholesale product requirement -
Product Name: Transformers
Specifications:
Type: Electric Power Supply
Transformers: S-Rc508-0080 R-Core 80Va 15V X 2Pri 230V 50Hz (Other Details As P Er Inv/PKL)
Use: Radio, Audio
High Voltage Tank Transformers
Packaging Terms : Cartons
