Oliktok precip site

Barrow site

Has:

• Enclosure
• CR1000
• Judd or SR50a
• Radios/NL100

Needs:

• LPM
• Quadpod for:
• 3x SR50a

Atqasuk

Uninstalling:

• Nipher guage
• CR1000
• 2 radios
• Wenglor particle counter
• SR50a
• quadpod
• computer?

Oliktok

Installing:

• Geonor + fence
• Power AC
• SR50a on quadpod
• LPM

Geonor notes

• needs antifreeze sol'n: Propylene glycol (40%) / Methanol (60%)
• needs 0.4L Low Pour Hydraulic oil
• Geonor fence
  • Alter shield
    • attach shield to Geonor stand with 1in pipe, then 1in to 3/4in nurail offset cross fitting like (http://www.nurail.com/products/%2310-Offset-Cross-%252d-3%7B47%7D4in-x-1in..html), then 3/4in post provided with the alter shield
    • apply rust prevention coating
  • says here a wyoming shield has way worse catch efficiency :( http://www.fs.fed.us/t-d/pubs/htmlpubs/htm02252325/

LPM notes

• LPM communication
  • power cable for MD485
  • set active ports: RS232 and RS485
  • need long three wire cable for RS485 coms
• LPM power
  • 1: brown, 2: blue, ground: green/yellow
• mount
  • do I need a plywood rig for this too??

communication

• need NL100 or something?

Power

• LPM uses max 150 VA (VA = watts)
• Geonor heater draws 25 watts at 24 volts
  • 3.4 mA per vibrating wire. 7 mA on warm up
• SR50a
  • 250 mA peak measurement (measurement takes less than 1 sec)
  • 1 mA quiescent in SDI12 mode

Todo

• asked alaska steel for nurail quote, do PR when receive it
• figure out geonor fence
• figure out geonor heater
• programs
  • update Barrow (downloaded one from bob's dropbox, now in docs folder)
  • write new for oliktok

• quadpods: order pipe and nurail fittings from alaska steel
• sensor mounts. enclosure mounts
• conduit
• zip ties (heavy duty), and little ones for the enclosure. labels for the wires in enclosure

Bring

• Dewalt drill
• sledge hammer

Site Location

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