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Author Topic: Essential Battery Tool  (Read 1764 times)
camillitech
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« on: February 27, 2017, 07:20:55 PM »

Sadly, I am a little obsessed with my batteries, partly cos a lot of my time at work is taken over by maintaining them but also cos they're the heart of my 'off grid' system and I fecked hunners of them before 'seeing the light'. We've all been there and often despair at 'greenhorns' who go down the liesure/car battery route despite all the good advice to the contrary. Me, I'm a sad case and log my SG's, voltages and temperatures every six months now. I used to do it monthly at first as that's the schedule at work but nowadays it's just a couple of times a year and today was the day.

Everytime someone on here and elswhere says they have or suspect a battery issue, I tells em, buy one of these



it doesn't have to be a 100 Fluke a tenner off eBlag will do. An infra red thermometer will save you acres of grief weeks or months down the line.



And here is why, a dodgy connection on one of the interconnectors that is 3 degrees warmer than all the others, not even enough to detect by feel but a sure sign that 'summat is afoot'  sh*tfan

Cheers, Paul
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http://lifeattheendoftheroad.wordpress.com/

'Off grid' since 1985,  Proven 2.5kW, Proven 6kW direct heating, SMA SI6.OH, 800ah Rolls, 8kW PV ,4xTS45, Lister HR2 12kW, , Powerspout pelton, Stream Engine turgo, 60 x Navitron toobs and a 1500lt store. Outback VFX3048 and 950ah forklifts for backup,
offthegridandy
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« Reply #1 on: February 27, 2017, 09:15:19 PM »

Thanks Paul, useful tool and a good tip.

Andy
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8 KVA Lister TS2 Startamatic Genny
24 Volt 1000amp battery bank
Outback VFX3024
4.6 Kw PV array ground mounted
Outback Flexmax 80
2 X Flexmax 30 PV CC
2.5 Kw WT H Piggot design 4.5 Mtr Dia AC coupled
12 Mtr free standing Tower.
u/floor heating from oil boiler cross linked to 12 K wood stove
camillitech
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« Reply #2 on: February 27, 2017, 09:24:30 PM »

Aye Andy,

it has a hundred and one other uses too, from checking the height of a liquid in a large tank to taking the dugs/pigs/hens temperature. It is a little like a ratchet strap, cordless drill or 3ton digger, you will wonder how you ever reached 60 without owning one  hysteria
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http://lifeattheendoftheroad.wordpress.com/

'Off grid' since 1985,  Proven 2.5kW, Proven 6kW direct heating, SMA SI6.OH, 800ah Rolls, 8kW PV ,4xTS45, Lister HR2 12kW, , Powerspout pelton, Stream Engine turgo, 60 x Navitron toobs and a 1500lt store. Outback VFX3048 and 950ah forklifts for backup,
Greenbeast
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« Reply #3 on: February 27, 2017, 10:03:17 PM »

Aye Andy,

it has a hundred and one other uses too, from checking the height of a liquid in a large tank to taking the dugs/pigs/hens temperature. It is a little like a ratchet strap, cordless drill or 3ton digger, you will wonder how you ever reached 60 without owning one  hysteria

ha ha, you're so right and i'm only 34
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todthedog
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« Reply #4 on: February 28, 2017, 07:22:13 AM »

Great suggestion Paul.
Thermal leaks on the house without thermal imaging?
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Kidwelly South Wales
Fionn
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« Reply #5 on: February 28, 2017, 09:29:56 AM »

I picked up a CatS60 phone a while back.
It's on the pricey side but you can buy the sensor on it's own for about $250 and plug it into other smart phones.
http://www.catphones.com/en-gb/features/integrated-thermal-imaging
Has proven very useful!
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PV - 2.75kW East, 1.5kW South, 2.5kW West. 3 x Flat Plate Solar Thermal with side arm FPHE on 268L cylinder
Westie
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« Reply #6 on: February 28, 2017, 09:52:44 AM »

On the subject of useful tools...  I found this little temp data logger very useful, it stores 16000 points at any interval between 0-24hrs. Usb interface allows data download, supplied with an app which graphs it up with excel.   Has a thermocouple probe supplied and also has an internal ambient sensor. Accurate to a couple of degrees either way, I've had it on constant hourly logging of my solar thermal loop for two years now - still on the same battery!   

Again - 10 sqid on eblag!  If you need to monitor multiple points buy multiple loggers Wink

http://www.ebay.co.uk/itm/16000-Point-USB-Temperature-Data-Logger-Datalogger-Recorder-with-External-Sensor-/131865779406?hash=item1eb3d01cce:g:MxgAAOSwRH5XKbSE



« Last Edit: February 28, 2017, 10:02:04 AM by Westie » Logged

4kwp south facing array  SMA 4000TL grid connected.  2x30tube Navitron solar thermal panels (east/west). Arada 5kw S/C WBS. 25000Ltr underground rain water tank. KTM E-Bike  Cool
Fionn
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« Reply #7 on: February 28, 2017, 10:43:12 AM »

That looks very good Westie.
I have one of these 4 channel K type thermocouple thermometers.

www.ebay.co.uk/itm//171488884355
Found it good for looking at my solar thermal setup, gives simultaneous readings of 4 inputs so you can look at temerature drop across heat exchangers, flow and return etc.
No logging or anything but useful none the less.


* s-l1600.jpg (28.63 KB, 480x320 - viewed 225 times.)
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PV - 2.75kW East, 1.5kW South, 2.5kW West. 3 x Flat Plate Solar Thermal with side arm FPHE on 268L cylinder
Stevieboy118
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« Reply #8 on: February 28, 2017, 02:05:07 PM »

Great suggestion Paul.
Thermal leaks on the house without thermal imaging?


We're in a cornish unit, i'd rather find places where the heat ISN'T escaping! Angry

Threads like this are why this place is a bad influence on me, like i don't already spend enough on random ebay tat! (already got the IR thermometer!)
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4kW pv (16x250+good-we inverter)
Wood burner
Pile-o-tatty-batteries
107L water tank solar dump
Anything else the wife will let me play with.
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