EDM, K & E, Ranger 5

Description:

  • Object ID: ALSA 2006.05.06
  • Made by: Made in U.S.A by Laser Systems & Electronics, Inc., an affiliate of Keuffel & Esser Co.
  • Model: Ranger 5
  • Serial Number: 07B5012
  • Date Made: 1970’s
  • Approximate size: 32cm x 23cm x 43cm.
  • Accessories: Comes with fiber case, includes battery cable and remote power on/off switch.
  • Condition: Good

Commentary:

K&E Ranger V. The laser-based Ranger series of EDMs were introduced in 1970 by the Keuffel & Esser Company.

The Ranger V uses a helum-neon laser beam to make the measurement between the instrumenyt and a reflector prism target. It has a range of 25km and a accuracy of 5mm+2ppm. It is powered by a 12 volt battery.

It was used by the Alberta Director of Surveys for control survey work.

In 1982, K&E filed for bankruptcy.

Source of Object: Donated by the Director of Surveys.

Notes: 

References: Visit article The Competition Heats Up – More EDMs  and K+E Electronic Distance Measuring Equipment, Catalog 10b, page 22.for additional information.

Description by: Ed Titanich, October 4, 2024.and Gordon Olsson, January 7, 2026