Wednesday, December 14, 2011

Bridgeport 419 3-1/2-Inch Flexible Metal Conduit Squeeze Connector, 5-Pack

Bridgeport 419 3-1/2-Inch Flexible Metal Conduit Squeeze Connector, 5-Pack

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Product Feature

  • Straight non-insulated
  • Zinc electroplated malleable iron
  • Trade size: 3-1/2-Inch
  • Knockout size: 3-1/2-Inch
  • Approval UL 514-B, CSA

Bridgeport 419 3-1/2-Inch Flexible Metal Conduit Squeeze Connector, 5-Pack Review

Good construction and worked well for my installation. The squeeze connector held nice and firm and was easy to install

Most of the consumer Reviews tell that the "Bridgeport 419 3-1/2-Inch Flexible Metal Conduit Squeeze Connector, 5-Pack" are high quality item. You can read each testimony from consumers to find out cons and pros from Bridgeport 419 3-1/2-Inch Flexible Metal Conduit Squeeze Connector, 5-Pack ...

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Tuesday, December 13, 2011

SX2120 by SurgeX

SX2120 by SurgeX

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Product Feature

  • Magnetic shielding steel enclosure
  • 12 grounded AC receptacles in two switched banks of six on rear panel, 2 receptacles always on
  • Thermal circuit breaker overload protection
  • Front panel courtesy receptacle
  • Self-test circuit with visual indicator

Product Description

SX2120 surge eliminators are 20-amp load-capable and have 14 industrial grade grounded AC receptacles (2 switched banks of 6; 2 always on) plus a front-panel courtesy receptacle. The unit features both common mode and normal mode Impedance Tolerant EMI/RFI filtering for a comprehensive power conditioning solution. SurgeX Advanced Series Mode technology is superior to conventional MOV circuitry or MOV-Hybrid designs and is completely non-sacrificial. Our zero let-through technology provides the most reliable protection available. It stops all surges up to 6,000 volts (unlimited surge current) without producing harmful side effects such as ground contamination or common-mode disturbances.

SX2120 by SurgeX Review

Picked up this unit to protect an audio rack containing a Pro Tools front end, all the outboard EQ, dynamics, mic pres, converters, clocking etc.

The system is dead silent to my ear and measured with a Tektronix DVS 100Mhz oscilloscope.

I can see no ripple or noise in the power and the rig remains stable in an environment with power measured at the outlet that varies from 108 VAC - 132 VAC as measured with a Fluke 8068 digital VTVM.

SurgeX seems to have done a nice job building this unit using high quality resistors, capacitors and diodes.

The solder work is tidy, with no apparent cold joints anywhere.

One item of note for any one considering this unit...

The power cable is hard wired and has a molded dedicated 20 Amp plug.

The lug for the common side of the outlet sits at 90 deg to the lug for the feed side (right side) of the outlet.

You will need an outlet with a 20 Amp receptacle wired in, and this means the outlet must have a 20 amp feed (breaker wired with 12 wire) or you will not be able to plug in and energize the SurgeX SX-2120.

I was not notified of this when I bought the unit, so upon opening the box I learned a trip to the hardware store was in order.

Good thing I have built recording studios for many years and worked for a licenced electrician as well.

The SurgeX SX-2120 gets a thumbs up from me!

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Monday, December 12, 2011

GW Instek GOS-6103 Portable Analog Oscilloscope with 2 Channel, 100MHz Bandwidth, 16kV Accelerating Potential

GW Instek GOS-6103 Portable Analog Oscilloscope with 2 Channel, 100MHz Bandwidth, 16kV Accelerating Potential

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Product Feature

  • 100MHz, two-channel, portable analog oscilloscope for electronics applications such as product design, assembly lines, repair and servicing, and electrical engineering education
  • Timebase auto-range function automatically selects the optimum sweep time for displaying waveforms
  • Delayed sweep mode can horizontally magnify any portion of a complex waveform for inspection
  • 6" CRT display with an internal 8 x 10 division grid for viewing waveforms
  • Meets EN and IEC safety standard 61010 and is rated for CAT II installations to 400V

Product Description

The Instek GOS-6103 is a 100MHz, two-channel portable analog oscilloscope with a timebase auto-range function, delayed sweep mode, seven cursor measurements, storage for ten user-defined settings, Z-axis input, TV synchronization capability, trigger signal output, and high- and low-frequency rejection circuits for electronics applications such as product design, assembly lines, repair and servicing, and electrical engineering education, among others. The timebase auto-range function automatically selects the optimum sweep time for displaying waveforms. The oscilloscope has a standard sweep and a delayed sweep that can horizontally magnify any portion of a complex waveform for inspection. Seven cursor readout measurements—voltage difference, voltage difference percentage, voltage gain, time difference, time difference percentage, frequency, and phase—allow analysis of waveforms. Ten user-defined instrument settings can be saved and recalled. The Z-axis input modulates the intensity of the waveform and the TV synchronization circuit allows triggering of TV-V and TV-H signals. The trigger signal output can be connected to a frequency counter or other device (sold separately). High- and low-frequency rejection circuits remove interference from a signal to prevent false triggering. To protect settings against inadvertent changes, the control panel can be locked. Additional specifications include a rise time of 3.5ns (17.5ns at 2mV per division) and various triggering features. The oscilloscope has a 6" CRT (cathode ray tube) display with an internal 8 x 10 division grid (each division is 1 cm) for viewing waveforms. It meets European Standard (EN) and International Electrotechnical Commission (IEC) 61010-1 safety standard, and is rated for CAT (category) II installations to 400V, which covers energy-consuming equipment connected to a fixed installation, including household, office, and laboratory appliances. It has CE (European Conformity) marking. It comes with two 100MHz passive voltage probes, a power cord for 100/120/230VAC, 50/60Hz, and a user manual

Specifications
Display6" CRT
Bandwidth100MHz
ChannelsTwo
Installation ratingCAT II
Standards metEN and IEC 61010-1 safety standard; CE marking
Power sourcePower cord for 100/120/230VAC, 50/60Hz
Dimensions (H x W x D)150 x 310 x 455 mm
WeightApproximately 9 kg

H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.

Oscilloscopes are electrical testing devices used to verify the functionality of equipment that generates an electrical signal. Oscilloscopes measure the voltage of an electrical signal over time, and display the measurement as a waveform in a visual graph. The waveform shows the sweeps (or refresh) of voltage on a vertical (Y) axis, and the time on a horizontal (X) axis. Details of a waveform demonstrate the signal over time. Most oscilloscopes have two or four channels for inputting a signal. Some digital oscilloscopes offer more than four channels, allowing channels to be dedicated to specific signals and applications. Bandwidth is the maximum frequency of a signal that an oscilloscope can capture. A constant image will display if a signal is shown at a high frequency. Oscilloscopes may be analog, digital, or mixed signal. An analog oscilloscope directly displays an input signal as a continuous waveform, typically in a luminous phosphor on a cathode ray tube (CRT). A digital oscilloscope converts the input signal into a digital format and reassembles the waveform for display, typically on an LCD. A mixed signal oscilloscope (MSO) displays both analog and digital formats. Some oscilloscopes can display more than one channel and type of measurement simultaneously. Some oscilloscopes can capture waveform signals to memory, and recall them. They may provide real-time intensity grading, and may have the ability to adjust frequency of display. Oscilloscopes can be powered with batteries or electricity, or may have a built-in generator. They are commonly used for testing, measuring, and inspecting in science, engineering, telecommunications, automotive, and electronics applications.

GW Instek manufactures test and measurement equipment such as oscilloscopes, spectrum analyzers, signal testers, and video surveillance systems. The company, founded in 1975 and headquartered in Taipei, Taiwan, meets International Organization for Standardization (ISO) standards 9002 and 14001.

What's in the Box?
  • Instek GOS-6103 analog oscilloscope
  • (2) 100MHz passive voltage probes
  • Power cord
  • User manual

GW Instek GOS-6103 Portable Analog Oscilloscope with 2 Channel, 100MHz Bandwidth, 16kV Accelerating Potential Review

The problem with this oscilloscope is the performance/cost ratio. It works as it should but, for about the same money, digital oscilloscopes are now available that make it look like a poor choice.

Not too long ago it was advantageous to have a true phosphor (CRT) scope. One example is that CRT scopes show more intensity on the screen for signal segments that occur more often. This is an advantage for waveforms such as amplitude modulation. Now, with digital phosphor scopes, the advantage has mostly evaporated.

Another problem is the user manual ... too brief to explain confusing issues that can occur when using the scope. As an example, the scope can become non-responsive with certain button presses. There is no troubleshooting section.

If you really need a CRT scope, a four-star rating would be appropriate.

No problems with build quality, shipping, cosmetic appearance ...

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Sunday, December 11, 2011

BRIGGS AND STRATTON 494057 SB MODEL 30 VERT

BRIGGS AND STRATTON 494057 SB MODEL 30 VERT

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Product Feature

  • BRAND NEW
  • FRESH FROM FACTORY
  • OEM

Product Description

Brand New factory sealed Briggs and Stratton OEM SB MODEL 30 VERT. Current 2011 Briggs and Stratton part, Subject to availability from Briggs and Stratton. If not in stock you will be notified within 1 business day.. Check your Owners/Parts manual for correct application and fit. This is the current part description provided by the Original Equipment Manufacturer (OEM). To confirm your parts fit or description, Email us with your Make, Model and Serial Numbers.

BRIGGS AND STRATTON 494057 SB MODEL 30 VERT Review

MATCHED EXACTLY TO THE ORIGINAL BLOCK, WAS AN EASY INSTALL.NO PLOBELMS WERE ENCOUNTERED,ALL GASKETS REQUIRED WAS INCLUDED IN THE PACKAGE

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Saturday, December 10, 2011

Columbus McKinnon 3/4-Ton Little Mule Cable Hoist, Model# 04611W

Columbus McKinnon 3/4-Ton Little Mule Cable Hoist, Model# 04611W

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Product Feature

  • Handle protects against hazardous overload conditions
  • 360deg swiveling hooks with latches
  • Positive load engagement in all environments
  • Winding wheel for quick take-up or positioning
  • Self-storing cable drum

Product Description

Lightweight and rugged with heavy-duty cable. Meets ASME/ANSI Standard B-30.21. U.S.A. Double Line Lift Height (ft.): 6, Single Line Lift Height (ft.): 12 1/2, Single Line Load Capacity (tons): 3/4, Double Line Min. Hook to Hook Distance (in.): 27, Cable Diameter (in.): 1/4, Double Line Load Capacity (tons.): 1 1/2, Single Line Min. Hook to Hook Distance (in.): 21

Columbus McKinnon 3/4-Ton Little Mule Cable Hoist, Model# 04611W Review

This is a tried and true device, I had this winch a long time ago when I had a tree service business and it has remained the same.....and that's good! Made in USA and well worth the money. Purchased this for my crew foremen and he keeps it the truck toolbox 24/7 and he LOVES it. Don't buy those cheap $50 ones they are just plain useless and unsafe to use.

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Friday, December 9, 2011

"Interactive Data Visualization" taught by Dr. Catherine Plaisant or Dr. Galit Shmueli - 4 week online course - 10/25/13 to 11/22/13

"Interactive Data Visualization" taught by Dr. Catherine Plaisant or Dr. Galit Shmueli - 4 week online course - 10/25/13 to 11/22/13

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Price: $499.00    Updated Price for
Purchase

Product Feature

  • Taught by Dr. Catherine Plaisant or Dr. Galit Shmueli, world renowned experts, who will be available throughout course to answer questions and lead discussions
  • 4 week course: 10/25/13 to 11/22/13
  • Work from any computer, at any time during the course
  • No set times when you are required to be online
  • Course consists of discussion forum with instructor, homework with individual feedback, guided readings and interactive lessons.

Product Description

Aim of the Course:

To learn various techniques for producing effective visualizations to manipulate, examine, and analyze multivariate data using state-of-the-art software.

Prerequisite:

Introductory statistics

Who Should Take This Course:

Statistical analysts and data miners who need to explore and graph multivariate data, either to form impressions of the data or as a preliminary step to performing statistical tests or building models.

Syllabus:

SESSION 1: Data Merge and Prep

SESSION 2: Analyzing Distribution and Interaction

SESSION 3: Time Series, Scatterplots, Parallel Coordinate Plots, Tree Maps

SESSION 4: Visual Analytics

Required Text:

Please purchase Now You See It, by Stephen Few at http://www.amazon.com/Now-You-See-Visualization-Quantitative/dp/0970601980/

Software:

Spotfire (you'll be granted access in the course)

Course Organization:

The course takes place online at the Institute for 4 weeks. In class discussions led by the instructor, you can post questions, seek clarification, and interact with your fellow students and instructor.

Typically requires 15 hours per week. Beginning of each week, you receive the relevant material, in addition to answers to exercises from the previous session. During the week, you are expected to go over the course materials, work through exercises, and submit answers. Discussion among participants is encouraged. The instructor will provide answers and comments, and at the end of the week, you will receive individual feedback on your homework answers.

"Interactive Data Visualization" taught by Dr. Catherine Plaisant or Dr. Galit Shmueli - 4 week online course - 10/25/13 to 11/22/13 Review

This course provided me great insights and several techniques to create better and more reliable presentations; also the use of Spotfire was indeed a pleasure. The course structure is well balanced between readings and hands on exercises and the pace is perfect. Now I am able to "read" presentations and charts with a critical eye.

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Thursday, December 8, 2011

Greenlee 730BB-120.0 Standard Round Knockout Punch Unit, 120mm

Greenlee 730BB-120.0 Standard Round Knockout Punch Unit, 120mm

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Product Feature

  • Round standard metal punch units are complete units consist of punch, die and draw stud
  • Use with battery-powered, hydraulic, ratchet or manual drivers
  • Properly assembled through pilot holes, they will make clean, fast and accurate holes
  • Slug falls free in die
  • Can be used on mild steel up to 10 gauge

Product Description

Greenlee 730bb-120.0 Punch Unit-rd 120,0mm (4.724)

Greenlee 730BB-120.0 Standard Round Knockout Punch Unit, 120mm Review

Anyone who knows Greenlee, knows that their products are above reproach. This knockout assembly is no different. Had my doubts going in to this because of the size but no worries. One word of advice....if you are doing more than one at a time, use the hydraulics.

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