mineral weighing scale The masses I received seemed to be solid metal, unlike some of the other reviews have said.
The weigh boat has a relatively small flat portion on the bottom and the handle is also quite small, this makes it hard to handle and easy to spill especially if you are using it to handle liquid.
I personally replaced it with a higher walled teflon weigh boat with a fully flat bottom. The tweezers are tweezers, not much to say there – they are stainless steel with a sharp tip allowing small amounts of sample to be scooped but since they are stainless powder sticks to them pretty significantly, so for my uses I replaced them with a teflon tipped pair of the same size.
The only real downside to the operation of this scale that I have encountered is the Auto-Off function, which can no be adjusted, is often much too short – especially if you are closing the lid.
For instance if you put your weigh boat down and tare it then remove it to add some sample the scale will often turn off before you have the chance to put the sample back on – this is true even if you dont remove the weight boat after taring and are adding a very small amount of powder, since you must be careful and take your time it will occasionally turn off on you;
this can also happen if you’re getting really close to a specific amount (say 100mg) and just need to add 2mg more so you just tap your tweezers to add tiny bits of powder, if the amount you add is a bit under 1mg and doesn’t cause the reading to change it will shut off on you. I would estimate the auto off to be about 30 seconds. What I do as a work around is remove the weigh boat after taring and tap the scale surface gently every little bit to keep it active, you can also hit the mode button, etc.
A QUICK WORD OF WARNING: DO NOT ATTEMPT TO USE THIS BALANCE TO MEASURE OUT 1mg of a something if being off by 1 or 2 mg could be dangerous, just don’t do it with this device. Instead measure out 100mg then dissolve in solution.
Despite the quite excellent accuracy of this scale over its whole range it simply is NOT the tool you need to measure out a 1 mg sample.
I would suggest trying to measure at least 10mg of a sample if you are measuring by difference (i.e. you put X mg on the scale, tare it, then remove sample until you reach -10mg) and >30mg for normal measures.
This is a great scale for its price but it is not a scale I would bet my life on measuring out 1 mg, period. Take the extra time to volumetrically divide a larger sample by solution or buy a .00015-gram range balance if that is your intended use.
Scale is far better than I could have ever expected for this price. It is accurate, precise, and the readings are repeatable over a wide range.
It includes all needed accessories, the case is excellent and holds everything firmly in place.
The calibration weights are accurate (some reviewers said theirs were not solid but mine were).
Great selection of modes available, just be careful not to mix up oz and ozt.
Highly readable screen.
Included weigh boat is small (even for a small scale like this) and is prone to tipping.
The auto-off feature turns the scale off too quickly, especially if you are using the lid to eliminate breeze, requiring you to press a button or something to keep it on and not risk losing your tare.
The tweezers are especially prone to static cling when using them for powder measures, the weigh boat is as well to a lesser extent.
https://calibrationinstrumentation.business.site/#posts
https://calibrationinstrumentation.business.site/#summary
https://calibrationinstrumentation.business.site/#details
https://calibrationinstrumentation.business.site/#gallery
Thank you for allowing Accurate Weighing Scales (U) Ltd the privilege to serve you in advance.
For inquiries on deliveries contact us
Office +256 (0) 705 577 823, +256 (0) 775 259 917
Address: Wandegeya KCCA Market South Wing, 2nd Floor Room SSF 036
Email: weighingscales@countrywinggroup.com
