how to get a solution of 400ppm
456960
It took me studying the graph that came with it and a couple of searches on web for liquid measurement equivalents in order to get the solution I needed. Don't have the graph that came with it so I can't venture exactly how to get 400 ppm right now. If studying the graph they sent doesn't help you, write again and I will track down my graph before responding next time.
2106152
Make sure the pemp is about 70 at all timeMake sure your power supply is operating correctUpdat the micrSD Good luck
174666
You need to call the manufacturer for this kind of data. This is a consumer forum.
1592061
I'm sorry, but I cannot answer your question. Likely need to get HP to respond.
1724964
The instructions say to push and hold the Hold/Mode button until it says PPM but ours tended to change to PPT (which is parts per thousand) for some reason so we just multiplied that number by 1000 and that was the reading for PPM.
357877
no solution comes with it but amazon has it in 4 7 and 10 the one i got was right on and hasten drifted in 6 weeks just look up ph buffer of calibration solution and a number of them come up hope this helps
1076980
Sorry, I don't have the package any more. I run generally at 40psi and have gone to 110 at times.
1565236
I scrolled over to where it says N for Number and stepped down one click. The display stepped from 0 to 399. So it looks like this will do ONLY 400. This little rig is reasonably priced and works as advertised. I'm rather pleased with it. I hope this helps.
192831
These little bottles do not have solution in them. You fill them with your own silver solution, which is usually 10ppm.
2010440
I have pushed it closed to 400 and it has worked but, i doubt it would reach 600 as it really doesn't seem to have any effect outside of 370 or so.
929793
The europower pmp 2000 is rated 225 watts @ 8 ohms so your 400 watt speakers should be able to handle this power in the stereo mode but not on the bridge mode. Get speaker cables that matches the terminals at least ga. #14 or 12.
598127
There are quite a few and different manufactures. The solution is based on what you intend to use the meter for. For example you might what to use a solution that has a PPM of 1000 for general use. If you plan on using for hydro you probably would use a 1500 ppm solution as it's a matter of using something that reads towards the high side of your intended solution. Most TDS meters will have instructions or a sachet of solution inside so that one will be the units best option unless it is way off from intended use.
31364
Correction*** mine goes up to 430* not 490*Maybe yours is defective though. I'd call customer service or look into returning it
21284
What is the lowest level ppm that the unit you have can detect and display on the monitor?
2020618
Yes this meter has1 ppm resolution but it is not laboratory quality. If you really need 1ppm accuracy then break out your check book and buy a professional instrumen
405989
The answer fromEmmett is probably the best solution. I use s similar configuration. Dennis
1821189
you can email ppa tech support at techsupport@ppa-usa.com. They will be able to help you.