close

Tell your friends about this article!

Friend's email address:
  For example, username@domain.com
Your email address:
  For example, username@domain.com
Subject:
Message:
Send the email
This message has been sent to you from Touchstone, Standards New Zealand's free electronic magazine. Standards New Zealand is the country's leading Standards body, developing and promoting Standards for the benefit of all New Zealanders.

When the message is sent, you'll automatically be copied on the message. The text immediately above will be added to the message automatically, identifying the message as coming from Touchstone.

close

Thanks

Your email has been sent

Title BannerTitle BannerTitle BannerTitle BannerTitle Banner

Touchstone

ISSN 1179-2426

Lighting

LED there be more light!

The lighting marketplace is in a state of flux. The 'traditional' pear-shaped incandescent light bulb is rapidly losing ground as governments push homeowners to adopt the more energy-efficient Compact Fluorescent Lights (CFLs). With more than six to eight times the stated life expectancy of incandescent bulbs – around 10 000 hours versus 1000 hours – the technology is hard for consumers to pass up. 'Special price offers' and legal constraints make it even harder.

Next generation technology close behind

  ...[more]

Standards take the mystery out of lasers

Nothing beats photons. We can align these quantum particles into columns of light to make lasers, which have turned out to be pretty handy. Although lasers are useful in every corner of the world, they can be hazardous if used improperly.

That's because lasers have a peculiar property called radiance, which means that they are brighter than any known light source. The properties that can project lasers to the Moon make them strong enough to be hazardous even over those distances. With radiation or with other light sources exposure hazards decrease rapidly with distance; not so with lasers.

  ...[more]

NEW AMENDMENT

Free to download from our website: www.standards.co.nz
Or hard copy available at $32.00+GST (Members), $40.00+GST (Retail)

Amendment 2 to AS/NZS 1158.0:2005 Road lighting – Introduction

Amendment 2 applies to Figure 1.