please help. i dont know what size and how many batteries this takles. bought it used. also, how to calibrate? thanks
877372
I have never had to change the battery so I can't help with that. Calibration requires you to purchase calibrated ph 7.0 fluid available through Amazon and a small packet was sent with the instrument. You just dip the instrument in the calibration fluid and then use the provided screwdriver to turn the small screw on the back of the instrument until it reads ph 7.0. You are then calibrated. This instrument works well for me.
1768768
You can actually find them really cheap on eBay! I forgot the battery number but Just check manual or on died battery:)
1169294
Hello There!You'll need 4 X AAA Batteries. You'll LOVE it once you switch it on. Have Fun till the batteries run and then go shopping for four new AAA batteries!
1759887
I haven't replaced mine yet but they look like a common size, try the local drugstore. I see similar batteries at the dollar stores also. It uses three batteries.
138358
watch batteries. I not sure of the size without looking @ the battery or paperwork that came with the box. Sorry I could not provide exact details...
1334372
I didn't look at instructions. It's a very simple device. You need to order some calibration fluid. Put the 35ppt calibration fluid on the viewing glass and close the plastic cover. The fluid should cover the glass. Adjust with adjusting screw. It's that simple to calibrate it.
221144
3 by 5 inches by 3/4 in. And it comes with a weight so you can calibrate it. I like mine very much.
471353
Ten (10) great little batteries, I Immediately tested mine with a multi-meter and all were in super shape, all ten had excellent voltage. I have already ordered more of another type and they were in super condition too and all tested great. The wrapper may be diffent from the package displayed but the battery is the important part. Good luck and have a great new year.
1785169
It takes watch sized batteries. The number is 2016. You can buy them online very cheap. They are also available in Home Depot or Radio Shack.
1623728
We had the one with two batteries. I think the model pictured is a different mode. Ours was 19 inch, I think. It's gone, thank goodness. Useless.
8846
I'm sorry but I don't know what kind of batteries. I purchased this item, but it did not work properly and returned it, good luck on finding your answer.
268405
I do not use the battery and only calibrated when I got it. I unplug it plenty and have never had to re calibrate.
2082263
Calibrate it with a 7.0 calibration solution. I also recommend storing it in their storage solution. Be sure to read the manual or you may make incorrect assumptions about certain things.
1940814
It seems to calibrate itself upon startup. It will calibrate itself to zero if you turn it on with a container that you intend to fill already on it. As for it's need to be calibrated for accuracy, we'll we just have to trust to the gods of electronics. That said, I've never felt it might be even slightly beyond negligible where error is concerned. I'll buy another if mine ever poops out!
409914
There are many of the flashlights here, make sure you pick one that has the charger and 2 batteries. Mine was 12.50 and is awsome, super bright. It said 5 mode but was only 3 mode. The link I clicked for your question says 'batteries not included' . So search for another one that is included.
826818
I found nothing in the instructions on how to calibrate. We just installed ours and so far it's accurate. Time will tell.
416705
The AC-100 uses two (2) AAA batteries. Do not forget to order the calibration weight, especially if you plan to measure items smaller than 1 gram.