id say in 3 weeks time. :) And the 600mh went on today too. :D
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id say in 3 weeks time. :) And the 600mh went on today too. :D
good deal; what kind of chilli is that in the corner?
that one im not sure of! how ever iv got some.. Early Jalapeno, Blondkopfchen, Black Plum, Black Prince, Aji Panga, Orrozco, Variegata, Aurora, Big Jim, Purple Tiger, Twilight, Nosegay, Marbles and purira to grow this yea out doors! :D
cool! i'd have to check my packets for names, but i'll be doing peppers this year too. maybe we can time it out and do a comparitive grow...
yea great idea! we’ve been thinking bout entering in to the who can grow the biggest chilli in the world comp! :D thought it would be fun!
Right! my new toy! its a heat gun of sorts. Drastically cheaper then getting a thermal camera. It may not be as high teck but it does the job! It supplyâ??s the temp of any surface! just measured the out side of the shed its 1 degree higher (if that) than the ambient surface temp of a similar surface! this concludes that the insulation works :D
Excuse the muddy finger nails! been repotting all day! :)
Nice, Tom.
Two things to keep in mind.
1) the FOV (field of view). Generally, we have to get pretty close up to a target to measure it's temperature accurately. For example, if your FOV is 8:1 then You must be within 8" to measure a target "1 diameter. If you are further away, or the target is smaller than 1" they the measurement will be an average of the enlarged area.
2) Get an emisivity table so you can get an idea of what materials will emit radiation at a high enough percentage to be accurate for your purpose.
Here's a table of common materials. Note that anythin less than .60 is usually not a candidate for measuring temperature with IR. See shiney metals (polished Aluminum 0.05) This would act like a mirror and the IR thermometer would indicate the temperature of you (holding the thermometer) or some object(s) behind you.
Shov
Aluminium: anodised
0.77
Aluminium: polished
0.05
Asbestos: board
0.96
Asbestos: fabric
0.78
Asbestos: paper
0.93
Asbestos: slate
0.96
Brass: highly polished
0.03
Brass: oxidized
0.61
Brick: common
.81-.86
Brick: common, red
0.93
Brick: facing, red
0.92
Brick: fireclay
0.75
Brick: masonry
0.94
Brick: red
0.90
Carbon: candle soot
0.95
Carbon: graphite, filed surface
0.98
Carbon: purified
0.80
Cement:
0.54
Charcoal: powder
0.96
Chipboard: untreated
0.90
Chromium: polished
0.10
Clay: fired
0.91
Concrete
0.92
Concrete: dry
0.95
Concrete: rough
.92-.97
Copper: polished
0.05
Copper: oxidized
0.65
Enamel: lacquer
0.90
Fabric: Hessian, green
0.88
Fabric: Hessian, uncoloured
0.87
Fibreglass
0.75
Fibre board: porous, untreated
0.85
Fibre board: hard, untreated
0.85
Filler: white
0.88
Firebrick
0.68
Formica
0.94
Galvanized Pipe
0.46
Glass
0.92
Glass: chemical ware (partly transparent)
0.97
Glass: frosted
0.96
Glass: frosted
0.70
Glass: polished plate
0.94
Granite: natural surface
0.96
Graphite: powder
0.97
Gravel
0.28
Gypsum
0.08
Hardwood: across grain
0.82
Hardwood: along grain
.68-.73
Ice
0.97
Iron: heavily rusted
.91-.96
Lacquer: bakelite
0.93
Lacquer: dull black
0.97
Lampblack
0.96
Limestone: natural surface
0.96
Mortar
0.87
Mortar: dry
0.94
P.V.C.
.91-.93
Paint: 3M, black velvet coating 9560 series optical black
@1.00
Paint: aluminium
0.45
Paint, oil: average of 16 colours
0.94
Paint: oil, black, flat
0.94
Paint: oil, black, gloss
0.92
Paint: oil, grey, flat
0.97
Paint: oil, grey, gloss
0.94
Paint: oil, various colours
0.94
Paint: plastic, black
0.95
Paint: plastic, white
0.84
Paper: black
0.90
Paper: black, dull
0.94
Paper: black, shiny
0.90
Paper: cardboard box
0.81
Paper: green
0.85
Paper: red
0.76
Paper: white
0.68
Paper: white bond
0.93
Paper: yellow
0.72
Paper: tar
0.92
Pipes: glazed
0.83
Plaster
.86-.90
Plaster: rough coat
0.91
Plasterboard: untreated
0.90
Plastic: acrylic, clear
0.94
Plastic: black
0.95
Plastic: white
0.84
Plastic paper: red
0.94
Plastic paper: white
0.84
Plexiglass: Perpex
0.86
Plywood
.83-.98
Plywood: commercial, smooth finish, dry
0.82
Plywood: untreated
0.83
Polypropylene
0.97
Porcelain: glazed
0.92
Quartz
0.93
Redwood: wrought, untreated
0.83
Redwood: unwrought, untreated
0.84
Rubber
0.95
Rubber: stopper, black
0.97
Sand
0.90
Skin, human
0.98
Snow
0.80
Soil: dry
0.92
Soil: frozen
0.93
Soil: saturated with water
0.95
Stainless Steel
0.59
Stainless Plate
0.34
Steel: galvanized
0.28
Steel: rolled freshly
0.24
Styrofoam: insulation
0.60
Tape: electrical, insulating, black
0.97
Tape: masking
0.92
Tile: floor, asbestos
0.94
Tile: glazed
0.94
Tin: burnished
0.05
Tin: commercial tin-plated sheet iron
0.06
Varnish: flat
0.93
Wallpaper: slight pattern, light grey
0.85
Wallpaper: slight pattern, red
0.90
Water:
0.95
Water: distilled
0.95
Water: ice, smooth
0.96
Water: frost crystals
0.98
Water: snow
0.85
Wood: planed
0.90
Wood: panelling, light finish
0.87
Wood: spruce, polished, dray
0.86
Cheers shovel! good bit of info there that, should be made in to a faq! yea your right about the range the FOV or the D:S as they call it on this is 1:1.3 so uv gotta hold it pretty close! lol.
Not sure if u saw at the top of the thread but im using polished alloy panels on the inside of the shed! i took the measurement on the out side wall but things still have to be taken in to consideration like the sun heating the out side lol.. but all the same i think the shed is surprisingly well insulated. I did find a couple of gaps that could do with a bit of work! like around the door but im suppose that’s expected! :)
Were thinking bout hiring a thermo camera for the day just to see! Would be really interesting! :)
Just over 3 weeks! :)
Hi tom, nice post and must say ya done a great job. I have been growing in my shed now for nearly 6 years and any pics i have posted have all been from the same unit. the great thing was the electricity was already connected and what we had when we moved in was a breezeblock shed of 12ft x 9ft with 1 door in the middle of the unit. basicaly what i have done is insulate it as u have done but using straw and 50mm insulation board all around then split the room into 3. 2 grow rooms and a walkway down the middle and which is used for variouse reasons. 1 is so each side can be kept air tighit as much as poss and the other is so that each side can be used alternately 12 on/off and exhaust the heat from 1 side to the other which keeps cost of heating down as even my outside temp has been -4 is then transfered to the other room to keep a reasonable temp during the winter months. on top of the walls and insulation i have then applied a ;layer of hardboard which is then layered with white black white with some anti detection foil on top of that and then mylar on the wall around that. A lot maybe but in an area where the chopper whoppers are around at least once a week i think its been worth it. a local was last week caught with 22 plants in the loft of his house as a helicopter was in search for a potential criminal spotted excessive heat coming from a house and asked for a fire engine to be sent to the property as it was on fire. as it was the police turned up as well and they checked the house any way and hey presto hes nicked. so every little precaution is nessecary no matter wat the cost.
shit fink iwas mashed when i wrote this lol il post some pics 2 moz to let u see what i av sone to mine and maybe we can help each other
cool bud - take it easy:pimp:
P.S dont know whether it has any influence but my roof which is flat is also lead lined and wonder whether this helps detction as well?