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Monthly Archives: March 2016

  • Welch Allyn 4200 Spot Vital Signs Replacement Battery

    Welch Allyn 4200 Spot Vital Signs Monitor

    The Welch Allyn 4200 Spot Vital Signs monitor is powered by a sealed lead-acid (SLA) 6.0 volt, 4.5 amp-hour battery.  The battery supplies all power to the device.  An external power supply charges the battery and can operate the Spot Vital Signs at the same time.  This internal battery should be replaced after heavy use or when the battery no longer charges.

    A fully charged battery supports 130 typical blood pressure determinations taken at 7-minute intervals. The battery is 90-100% charged after 12 hours of charging. The battery will automatically charge when the Spot Vital Signs is powered through AC power. The battery charges faster when the instrument is not in operation.

    Replacement battery for Welch Allyn 4200 Spot Vital Signs monitor from Batteryheads.comBatteryheads.com offers a replacement battery for the Welch Allyn 4200 Spot Vital Signs monitor (OEM part number 4200-84).  This battery (part number LIF11277) is designed and manufactured to meet or exceed the quality and performance of the battery provided by the medical device manufacturer.  Each battery will be manufactured at the time of your order to ensure a fresh battery for your valuable equipment.  Special order batteries usually ship within 3-5 business days. Continue reading

  • April Photo A Day: Free Printable

    Photo A Day Inspiration Sheets

    Challenging yourself to take a photo a day can be a big venture, but it can also have big rewards.  Being able to look back at any day of your month (or your year) and recall who you met and what you did can be a fun adventure.  Photo a Day challenges help you document your family, your pets, your haircuts, and your travels.  It will make you a better photographer as you use your camera each day.  You will begin to notice lighting, backgrounds, and shot composition.  As you are forced to come up with a photo each day you will expand your creativity.

    Ready for another month of photo inspiration? Download our April Photo A Day sheet and enjoy the spring.

    April Photo A Day Challenge Sheet from Batteryheads.com

    Download the PDF: April Photo A Day Free Printable

    March Photo A Day Free Printable

    February Photo A Day Free Printable

    January Photo A Day Free Printable

  • Nikon D3200 Review

    Nikon D3200: A simple, starter camera

    Nikon D3200 Image courtesy of Nikon.com

    For those looking to move from a basic point-and-shoot or a cell phone camera, the Nikon D3200 is a basic, simple DSLR camera.  The D3200 offers six automatic "scene" modes on the mode dial.  For more options, the Guide mode, can offer more step-by-step camera settings for beginners.  The D3200 has been called a great "learning" camera. Continue reading

  • Spacelabs PC Scout Monitor Replacement Battery

    Spacelabs PC Scout Monitor

    The Spacelabs PC Scout Monitor is a lightweight, battery-powered or line-powered monitor. It is fully compatible and used in either bedside operation or in patient transport.  The PC Scout displays vital signs. The monitors have a touch screen user interface for ease of information access.  Information on the hybrid hardwired and wireless network can be remotely accessed via computer and modem by tapping into Spacelabs' PCIS Physician Workstation system.

    Replacement Battery for Spacelabs PC Scout Monitor

    Spacelabs PC Scout Monitor replacement battery from Batteryheads.comThe Scout Monitor requires 2 NiMH (nickel-metal hydride) batteries per unit.  Batteryheads offers a new, quality replacement battery for OEM part number 146-0055-00.  The battery (our part number LIF11386) has an output voltage of 12.0V and a rated capacity of 2.45Ah.  It is fully compatible with the Spacelabs PC Scout Monitor.  Your battery will be manufactured at the time you place your order, ensuring a fresh battery for your medical equipment.  Batteries usually ship within 3-5 business days.

    Spacelabs PC Scout Monitor from Batteryheads.com

    Spacelabs Healthcare in Space

    According to the Spacelabs Healthcare website, Spacelabs was founded in 1958 by two scientists, Ben Ettelson and James A Reeves.  The company developed cardiac monitoring and telemetry systems for NASA.  These systems were used to monitor astronauts’ vital signs in the early Gemini and the following Apollo space missions.

    During the 1960s, Spacelabs continued its relationship with NASA culminating in Neil Armstrong wearing Spacelabs medical telemetry for the first moon landing in 1969.  Read more about Spacelabs' involvement with NASA.

    Today, the company produces a series of patient-care monitoring systems that provide clinicians with easy, immediate access to patient information across an entire organization.

  • Free Online Photography Classes

    Looking to improve your photography skills?  Here are just a few sources for free online photography classes.Free online photography classes. List of sites from Batteryheads.com

    • Petapixel.com has compiled a list of the best free online photography courses and tutorials. Their list includes information on course skill level, class duration, and availability.  They share links to classes for Beginners, courses on Post-Production and Specific Techniques, as well as Photography as Art.
    • Creativelive.com offers workshops on photography as well as a host of other topics.  They do have some free featured fundamental courses available.  While not all of their courses are available for free, they do have weekly "free to watch this week" offerings as well as free fundamental videos.
    • Photographycourse.net offers both free and paid online courses.  Some of their free courses include Photography for Beginners, Photo Composition, Camera Settings, and Photo Editing.
    • Karl Taylor's Free Photography Course is a experienced professional photographer who also offers paid courses. His free course offers online videos as well as downloadable PDF fact sheets.
    • The Academy of Photography offers a wide-range of photography courses through their YouTube channel, including Basics of Photography for Beginners.
    Continue reading
  • Winning Cameras at World Press Photo 2016

    World Press Photo announced the winners of its 2016 contest on February 18, 2016.  Photojournalism's biggest prize honors the best news photos captured in 2015.Canon EOS 5D Mark III winner at World Press Photo 2016

    This form of journalism uses images alone to tell a news story.  In a world where a picture is said to be worth 1,000 words, the unbiased photograph can capture the essence of the news story.  The best photojournalists are able to convey the truth of a news report through a single, powerful photograph.

    Ranging from issues, to stories, to daily life, nature, sports, and news, the World Press Photo awards honor the photojournalists and the power of photography. Continue reading

  • 3 Pillars of Photography: Shutter Speed

    What is Shutter Speed?

    In photography, shutter speed or exposure time is the length of time when the film or digital sensor inside the camera is exposed to light.  When a camera's shutter is open when taking a photograph, the amount of light that reaches the film or image sensor is proportional to the exposure time.  In short, shutter speed is the length of time that your image sensor ‘sees’ the scene you’re attempting to capture.  Shutter speed can create dramatic effects by either freezing action or blurring motion.Shutter speed explained Continue reading

  • Tips for Great Spring Break Pictures

    Make the most of your pictures during this Spring Break.

    Tips for taking great spring break pictures from Batteryheads.com Bring both cameras

    Sure, your smart phone camera works great most of the time, but you may want to have a good quality photo that you can print out. Having a digital SLR will make for higher quality images.

    Make sure your camera has lots of storage space on the memory card.  If you bring along a spare memory card and a spare battery, you won’t have to worry about running out of storage space on your camera and have to delete pictures to make room for new ones.  Remember to bring along your camera battery charger if you don’t have a spare battery.Tips for Taking Great Spring Break Pictures from Batteryheads.com

    Visit Batteryheads.com to pick up a new battery for your camera or a battery charger.  We have what you need and our friendly and knowledgeable customer service department can help you find the right battery or charger for your camera, and at a great price too! Continue reading

  • 3 Pillars of Photography: Understanding Aperture

    3 pillars of photography: shutter speed, aperture, ISO

    Photography is built on 3 pillars: shutter speed, aperture, and ISO (or sensitivity).  These are all related to exposure.

    Shutter and aperture are controls for adjusting how much light comes into the camera. How much light is needed is determined by the sensitivity of the medium used. That was as true for glass plates as it is for film and now digital sensors. Over the years that sensitivity has been expressed in various ways, most recently as ASA and now ISO.

    Understanding Aperture

    Aperture refers to the opening of a lens's diaphragm through which light passes. It is calibrated in f/stops and is generally written as numbers such as 1.4, 2, 2.8, 4, 5.6, 8, 11 and 16. The lower f/stops give more exposure because they represent the larger apertures, while the higher f/stops give less exposure because they represent smaller apertures. This may seem a little contradictory at first but will become clearer as you take pictures at varying f/stops.  Check your camera owner's manual to see how to set your camera for the Aperture Priority mode.  Then try experimenting with different apertures to learn to recognize the different effects the different apertures will have on your images. (source: Nikon.com)

    What is aperture Image courtesy of Nikon.com
    Continue reading
  • Quality Replacement Laptop Batteries: Part 2

    You get what you pay for with replacement batteries.

    Last week we addressed the topic of whether a replacement laptop battery was as good or better than one from the laptop manufacturer.  When you need a replacement battery, it is always wise to buy one that meets or exceeds the manufacturer's original specifications.

    What to look for in a replacement laptop battery.What to look for in a replacement battery. High quality replacement batteries from Batteryheads.com

    When shopping for a high quality battery, be sure to look at the following areas: Continue reading

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