Description:
- Object ID: ALSA 2009.06.04
- Made by: Sokkisha
- Model: Red 2
- Serial Number: D70125 (See commentary)
- Date Made: Circa 1980 to 1983.
- Approximate size: 21 cm lenght including front lens and rear eye piece , 15.0 cm width, 12.0 cm height to top of push button pad
- Accessories: Orange carrying case, 120-volt battery charger, 12-volt battery charger that plug into a vehicle cigarette lighter, two RED2 plastic rechargeable batteries (model # BDC11).
- Condition: Fair
Commentary:
The Red2 uses an Infra-red light beam to measure distances and has an accuracy of +/- (5mm+5ppm*D). With a single prism it can measure up to 2,000m, with a triple prism up to 3,000m and with nine prisms up to 5,000m under good conditions. It is lighter and more versitile than the Red 1.
On the botton of the EDm is “D70125 SOKKISHA MADE IN JAPAN.” D70125 may be the serial number. Two other numbers appear on the EDM. On top is “SOKKISHA SF2 NO 211261 MADE IN JAPAN” and on the control face on the back is “SOKKISHA 21620 RED2”
There is no manual with this EDM, however a manual is included with another Red 2 in the collection ALSA 2022.02.05.
This EDM was used bt Can-Am Surveys Ltd. for survey work in Alberta
Source of Object: Donated by Les Frederick.
Notes: The Society has one other Red 2 in their collection, ALSA 2022.02.05 donated by Jim Pinchas.
References: Visit article The Competition Heats Up – More EDMs for additional information. Sokkisha Brochure “Electronic Distance Meter RED2 in AGHS hard file.
Description by: Entered by Ed Titanich, October 23, 2024. Gordon Olsson, November 29, 2025.