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Velleman Screwdriver Sets

eiodotcom —  October 26, 2012 — Leave a comment

Today’s EIO post is an introduction to some of Velleman’s screwdriver sets.

We sell a wide variety of screwdriver sets that can be useful in a large number of projects.  Whether you need smaller precision screwdrivers for delicate projects or a larger and more robust set, you’re sure to find something that fits your needs in the options below.

VELLEMAN VTSET5 16-PC PRECISION SCREWDRIVER AND TOOL SET

  • swivel-headed cap
  • black oxidized tips for greater durability and accuracy
  • ideal for: TV sets, communication instruments, optical instruments, cameras, computers, VCR’s, telephones, etc.
  • 4 philips: PH#1-1, PH#1-2, PH#0, PH#0-2
  • 3 socket: 0.12″, 0.16″, 0.20″
  • 3 hex: 0.06″, 0.08″, 0.10″
  • 6 flat: 0.04″, 0.06″, 0.08″, 0.09″, 0.12″, 0.15″

VELLEMAN VTSET20 SCREWDRIVER SET 7 pcs 12 BITS

   * bit length adjustable (0.6″ – 3.7″) by sliding it up into or out of the hollow handle

* 6 different blades (12 bits) (L : 4.3″)

  * contents:
o 1 handle (L : 4.3″)
o philips: PH00, PH1
o flat: 0.08″, 0.16″
o ‘star’: T5, T6, T7, T8, T9, T10, T15, T20

Velleman VTSET17 10-PC ELECTRONIC SCREWDRIVER SET

  • philips: 1 PH0, 1 PH1
  • flat: 2 0.05″, 4 0.04″, 1 0.06″, 1 0.08″
  • special set for watches, precision applications, etc.
  • ideal for: TV sets, communication instruments, optical instruments, cameras, computers, VCR’s, telephones, etc.

VELLEMAN VTSET15 15-PC SCREWDRIVER TOOL SET

ideal for: TV sets, communication instruments, optical instruments, cameras, computers, VCR’s, telephones, etc.

  • flat: 0.12″x1.6″, 0.08″x1.6″, 0.10″x1.6″, 0.14″x1.6″, 0.16″x1.6″
  • philips: PH#00×1.6″, PH#0x1.6″, PH#1×1.6″, PH#2×1.6″
  • ‘star’: #T6x1.6″, #T8x1.6″, #T9x1.6″, #T10x1.6″, #T15x1.6″, #T20x1.6″
  • size: 4.7″
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Today’s EIO post is on magnifiers.

 

Benefits of Magnifiers

Magnifiers are great because they help to enhance vision. They enable people to undertake detailed work or compensate for a sight disability that lowers an individual’s vision. Magnifiers are valuable when one most focus on fine detail. In hobbies such as model-making, stamp collecting and cross-stitch, an individual will often use a magnifier so they can see intricate detail.

Magnifiers have specially designed lenses that bend light. This increases the size of text or a smaller object, making it better to see. To get the best focus on the task in hand, hold the magnifier close to the your eye. Then bring the work up towards it till optimal focus is achieved.

When carrying out intricate tasks with a magnifier, one should work in the natural light as much as possible to avoid straining the eyes. Where it is not possible to work with natural light, or where natural light isn’t adequate, utilize an adjustable light fixture. This allows light to shine directly on to the area being magnified.

Different magnifiers should be used for different tasks. Larger lenses tend to be less powerful than smallish lenses. Large lenses are useful when an individual wants all-round, low-level magnification. Large lenses work effectively for tasks like reading or completing a crossword. Where precision work is needed, a small powerful lens may very well be more appropriate. A good example of a smaller, powerful magnifier would be jeweler’s magnifier.

Handheld magnifiers are easy to use and cheap to buy. Some handheld magnifiers have built-in illumination, making it easier to see when the lighting is poor. These magnifiers are well suited for reading small print while active because they are light to transport. The disadvantage of some handheld magnifiers is that they leave the individual with merely one hand available to carry out tasks. This is fine if the individual is only holding a book, newspaper, and also magazine, but this may be restrictive.

Hands-free magnifiers are probably a better option for anyone with a hobby that demands the use of their hands, such like sewing, knitting, or model-making. Hands-free magnifiers hang around the individual’s neck. This is great for other assignments too, as they have large lenses. This version of hands-free magnifier offers small magnification, usually only doubling the size of any object.

 

Dailyburn

VELLEMAN VTLAMP2BNU LAMP WITH MAGNIFYING GLASS 5 DIOPTRE – 22W – BLACK
Model
Brand VELLEMAN
Model VTLAMP2BNU
Specifications
Dimensions
  • arm length: 41 11/32″
  • width: 9 29/64″
  • height: 2 23/64″
Color Black
Power Supply 110Vac
Spare Lamp LAMP22
Features
Features This magnifying lamp is designed as an aid for all kinds of precision applications from health care to precision engineering. It’s also ideal for home applications. It comes with a 5-dioptre lens (magnification 2.25 x). A well-balanced, universally jointed arm makes for maximum adjustment. Light is provided by a circular fluorescent tube of 22W that encircles the glass. Mount the device on a table with the clamp.
VELLEMAN VTMG13 HEADBAND MAGNIFIER

Model
Brand VELLEMAN
Model VTMG13
Spec
Type Headband Magnifier
Specifications
  • multiplying power of lens: 1.5x, 3x, 8.5x, 10x
  • material of lens: acrylic resin (protected by crack-proof rigid coating)
  • size of lens : 89mm x 29mm (3.5″x 1.14″)
  • single lens diameter: 29mm (1.14″)
  • power supply: 2 x “AAA” batteries (LR03, not incl.)
  • weight: 148g (5.2oz)
Features
Features
  • adjust the angle of the light box upward or downward freely
  • you can also push the pivot left and right to adjust the LED light source
  • with detachable light source box and two “AAA” batteries
VELLEMAN VTMG6 HEAD MAGNIFYING GLASS WITH LIGHT

Model
Brand Velleman
Model VTMG6
Features
Features
  • head magnifying glass with dual light
  • magnifying glass with adjustable dioptry: 1.8 / 2.3 / 3.7 / 4.8 by making a combination of the glasses
  • power supply: 4 1.5V AA batteries (not incl.)
  • dimensions: 7.9″ x 2.4″ x 5.5″
  • weight: 5.3oz

Today’s Eio post is on crimpers.

To crimp means to join or connect. The word crimping is most often used in metalworking, when one joins two pieces of metal together by deforming one or both of them to hold the other. This closure is meant to not open up back on its own; the deformed or crushed metal acts as the thing that holds the metal together. The crimp is the bend or deformity in the metal.

Crimping is most often accomplished by way of crimping pliers. Crimping pliers are another way to join metal without soldering the metal together. Wisegeek says this about crimping pliers:

“Crimping pliers come in a range of sizes to handle crimps of varying diameters. Some have a series of slots that allow users to select a slot of the appropriate size. For bigger crimps, the pliers tend to be heavier and of a more sturdy design to ensure that people will be able to exert enough pressure to make a solid crimp. For more delicate tasks, the pliers are lighter to avoid breaking or damaging the object being crimped.”

Eio has three main types of crimping tools: Coax F-Type, Flat Ribbon, Modular RJ45, RJ11, RJ12

Coax F-Type

VELLEMAN VTFBNC CRIMPING TOOL FOR F & BNC CONNECTORS

Modular RJ45, RJ11, RJ12

VELLEMAN VTM468L CRIMPING TOOL FOR CONNECTOR 4P4C, 6P4C, 8P8C (RJ10, RJ11, RJ45)

Flat Ribbon

Cables To Go 04597 Flat Ribbon Cable Crimping Tool

See also:

 

Multimeters 101

eiodotcom —  May 19, 2012 — 2 Comments

In most electronics projects, there are a few near essential items you need. One such product is the multimeter. Today’s Eio topic is the multimeter.

Analog Multimeter

What is it?

Multimeters are used to measure multiple properties of electronics, most commonly voltage and currents. In its most common usage, people use multimeters to diagnose and narrow down the causes of electrical malfunctions in products such as batteries, power switches, motors, and other electronic components.

There are two main types of multimeters.

  1. Analog multimeter (AMM) – these display its values by using a moving needle across a printed scale.
  2. Digital multimeter (DMM) – these display their values using a digital display that shows the numbers for measurements being taken.

Types of Measurements

Digital Multimeter

As mentioned before, multimeters measure multiple electronic characteristics, hence the name “multiple-meter.” Three major types of measurements are as follows:

  1. The multimeter first acts as a voltmeter and measures amounts of AC/DC volts flowing in a circuit.
  2. As an ohmeter, the multimeter finds the resistance in a current.
  3. As an ammeter, the multimeter measures current flowing through a closed circuit by interrupting that circuit.

Familiarize Yourself with its Parts

Angel Acevado at Wikihow.com lays out the different parts of a multimeter that you should become familiar with before use. They are:

  • The dial
  • Pointer or needle
  • Arc shaped lines or scales on the meter dial face
  • A selector switch or knob
  • Jacks or openings in the case to insert test leads
  • Test leads
  • Battery and fuse compartment
  • Zero Adjustment

Finally, all multimeters come with a specific sensitivity range, so make sure you buy one with the amount of frequency you wish to measure. Remember: while higher ranges may allow you to measure higher frequencies, they have less precision and accuracy.

Check out some popular multimeters on our Eio site:

VELLEMAN DVM850BL

See also:

Electrostatic discharge (ESD) is a horrible nuisance for people working on DIY electronic projects, as the static discharges can fry small computer cards, chips, or ram. Anti-static devices, which prevent the buildup of static electricity on one’s body, are common ways to protect oneself against ESD. But are they necessary, especially when working on small electronics projects such as building or dismantling a desktop computer?

Eio is here to shed light on this issue.

Based upon our research from online forums (Forums Guru, Tom’s Hardware, & iFixit), here are the two most common answers:

Anti-static devices are UNNECESSARY:

“Just exercise proper precautions.”
  • Taylor: “I have been doing computer repairs for the better part of a decade, and have never used an anti-static strap / mat. I have never shorted out any of the components I was working on. If you take other necessary precautions, you can get certainly away without it. It’s more a question of how comfortable you are working and how confident you are that you won’t accidentally zap something.”
  • goldragon_70: “As long as you periodically ground yourself while building you should be fine.”
  • cmay119: “Always handle your hardware by the very edges. Even if static shock occurs, more than likely it would not hit anything vital or even do any damage if it did.”

Anti-static devices are ESSENTIAL:

“Static will build up almost 100% of the time.”
  • Mayer: “Getting electronics hit with ESD will drive you nuts. You can build up a static charge wearing almost anything. ESD (Electrostatic discharge) 1/10 the amount of a felt shock can destroy RAM and other electronic components.”
  • Horse: “I use a wristband; it’s not expensive and I thought it would be better safe than sorry. It doesn’t restrict you much and provides peace of mind.”

In sum, when working with static sensitive computer parts, anti-static devices are very useful because they provide both extra protection against ESD and a sense of confidence and peace-of-mind. If you have experience with these projects, exercising the necessary precautions, such as grounding yourself prior to touching the CPU parts or touching only the edges of the chips, can make anti-static devices unneeded.

Then again, accidents do happen. As one online forum’s respondent said, “Better safe than sorry.” In the larger perspective, an anti-static device is a small price to pay to keep your more expensive computer parts safe.

So check out some of Eio‘s more popular anti-static products:

Velleman AS5 Anti-Static Mat with Ground Cable

Velleman AS3 Anti-Static Wristband

Feel free to comment with your own advice or answer our poll!

See also:

SeeedStudio TES101D2P DSO Quad Oscilloscope

Release of SeeedStudio DSO Quad 4 Channel Digital Storage Oscilloscope by EIO.com

We now have stock of the New released SeeedStudio DSO Quad. This is a pocket-sized oscilloscope with 4 channels and a nice 3″ color LCD screen for common electronic engineering tasks. It’s based on ARM cortex M3 (STM32F103VCT6) 32 bits platform, providing 72MS/s sampling rate with integrated FPGA and high speed ADC. It comes with a rechargeable battery and probes. It even has 2MB of internal memory for storing waveforms. The DSO Quad is also open source so you can download new firmware to access additional features.