Monday, 10 February 2014
Sunday, 9 February 2014
overview of microtek products
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MICRO CONTROLLER / DSP BASED DIGITAL SINEWAVE UPS EB are designed using latest state-of-the-art Technology for Better Performance and High Reliability. The Digital Sinewave Technology used enhances the life of the battery and minimum effort has to be put for maintenance.
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- MICRO-CONTROLLER / DSP BASED Intelligent Control Design.
- Pure Sine Wave Output.
- PWM Controlled multistage ATM (Automatic Trickle Mode) Charging
- Display Indications (Status & Fault)
- Smart Overload Sense and Short Circuit Protectio
- Easily Serviceable
- Auto Reset Feature
- Mains Input Voltage Range Selection.
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SOLAR UPS
(LAUNCHING SOON)
The Digital Technology used enhances the life of the battery and minimum effort has to be put for maintenance.
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Saturday, 8 February 2014
INFORMATION ABOUT BATTERY
Battery Information | |
13 | Charging |
a. Life Saving Charge | |
b. Bulk Charge | |
c. Absorption Charge | |
d. Float / Trickle Charging Mode | |
14 | Cleaning |
Check that all vent caps are tightly in place. | |
Clean the battery top with a cloth or a brush and a solution of baking soda and water. | |
When cleaning do not allow any cleaning solution, or other foreign matter to enter it. | |
Rinse with water and dry with a clean cloth. | |
Clean battery terminals and the inside of clamps using sandpaper. (Clean terminals will have a bright metallic shine). | |
Reconnect clamps to the terminals and thinly coat them with petroleum jelly (Vaseline) | |
This prevents corrosion. | |
Keep the area around batteries clean and dry. | |
15 | Battery Ratings and Their Meanings |
battery rating is the AMP-HOUR RATING | |
unit of measurement for battery capacity, obtained by multiplying a current flow in amperes by the time in hours of discharge. | |
Example: A battery which delivers 5 amperes for 20 hours is said to be of 100 ampere-hours or 100AH. | |
16 | Battery Connections |
Series Connection | |
Parallel Connection | |
17 | Common Power Problems |
Power failure — Total loss of utility power: Causes electrical equipment to stop working. | |
Voltage sag — Transient (short term) under-voltage: Causes flickering of lights. | |
Voltage spike — Transient (short term) over-voltage i.e. spike or peak: Causes wear or acute damage to electronic equipment. | |
Under-voltage (brownout) — Low line voltage for an extended period of time: Causes overheating in motors. | |
Over-voltage — Increased voltage for an extended period of time: Causes light bulbs to fail. | |
Line noise — Distortions superimposed on the power waveform: Causes electro magnetic interference. | |
Frequency variation — Deviation from the nominal frequency (50 or 60 Hz): Causes motors to increase or decrease speed and line-driven clocks and timing devices to gain or lose time. | |
Switching transient — Instantaneous undervoltage (notch) in the range of nanoseconds: May cause erratic behavior in some equipment, memory loss, data error, data loss and component stress. | |
Harmonic distortion — Multiples of power frequency superimposed on the power waveform: Causes excess heating in wiring and fuses. | |
18 | Batteries Type |
Tubular Batteries / Flat Batteries | |
Half Load / Full Load Batteries | |
19 | Square wave Inverter |
Sine wave Inverter = best for computer and other equiments | |
Quasi-Sine Wave Inverter | |
20 | Home Inverters |
a. Tubelight - 60W | |
b. Fan - 70W | |
c. Television - 120W | |
d. Laptop - 100W | |
e. CFL - 25W | |
f. Modem - 50W | |
1. Caculating Power Need | |
2 Tube Lights | |
3 Fans | |
1 TV | |
1 Laptop | |
Total Power Need = 550W | |
HOW TO SELECT RELIABLE UPS
How to select UPS
1 | All our Microtek inverters have a PURE “SINE WAVE” output. |
2 | inverter size |
600Va, 800Va, 1400Va, 3KVa, 5.5KVa | |
3 | 230 volts x Amps = Watts. |
4 | check if the inverter’s surge rating meets your requirements |
5 | Battery Size |
100 Amp/Hr (AH), 105AH, 165AH, 200AH | |
6 | Inverter |
600va 1 battery system (12V) (100AH to 165AH) | |
800va 1 battery system (12V) (100AH to 165AH) | |
1400Va 2 battery system (24V) (165AH to 200AH) | |
3Kva 4 battery system (48V) (165AH to 200AH) | |
5.5Kva 8 battery system (96V) (165AH to 200AH) | |
7 | backup times will vary according to the batteries you choose |
8 | do not recommend using bigger batteries than stated above as the inverter will not be able to fully charge batteries not within specifications |
9 | (e.g. 800Va inverter with 200AH battery) |
10 | Using smaller batteries do not affect the inverter performance, but do affect backup time. |
11 | DB = Distribution Board |
MCB = Miniature Circuit Breaker switches | |
12 | The Microtek inverters have two installation options: |
1. Mobile Installation/Connection | |
2. Distribution Board (DB) Installation/Connection | |
History of Microtek
History of Microtek
The company was founded in 1980 by Dr. Bobo Wang and is based today in Hsinchu, Taiwan (Hsinchu Science Park). Its United States subsidiary, Microtek Lab Inc., is currently headquartered in Cerritos, California.
Microtek first entered the industry in 1983, when scanners were little more than expensive tools for hobbyists. In 1984, it introduced the MS-300A, the world’s first desktop halftone scanner. At about the same time, the company realized a need for scanning software for mainstream users and developed EyeStar, the world’s first scanning software application. EyeStar made desktop scanning a functional reality, serving as the de facto standard for image format for importing graphics before TIFF came to fruition. Continuing its leading-edge approach to the scanning industry, Microtek proceeded to develop the first OCR, or Optical Character Recognition, program for text scanning, once more successfully integrating a core function of scanning with its machines.
Throughout the 25-year history of the digital imaging industry, Microtek has pioneered several first-to-market scanning products. To date, Microtek holds the record for a number of world-firsts in the scanner industry. These product milestones include:
- First affordable black and white scanner equipped w/complete set of desktop publishing tools
- First grayscale image scanner
- First affordable film scanner
- First affordable color scanner
- First 36-bit color flatbed scanner
- First to introduce emulsion-direct scanning technology or E.D.I.T. for glassless film scanning
- First bundled crafting kit
- First flatbed scanner to incorporate Fast USB (USB 2.0)
- First flatbed scanner with integrated Digital ICE technology for photo prints
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