tank.lua

sideTank = "right"
delay = 5

myTimer = os.startTimer(1)

while true do
  local event, timerID = os.pullEvent("timer")
  if timerID == myTimer then
    term.clear()
    term.setCursorPos(1, 1)

    local tank = peripheral.wrap(sideTank)
    local info = tank.getTankInfo(sideTank)
    local data = info[1]

    print(data['rawName'].." ["..data['name'].."] ("..data['id']..")")
    print(data['amount'].." / "..data['capacity'])

    myTimer = os.startTimer(delay)
  end
end