Ade Advanced Optics RHB 10ATC 1 REFRACTOMETER Review

I use it to check the concentration of a water based coolant on a CNC router. I've been using it for several years now with no complaints. Calibration is complete and that's it, no rocket science. These things are pretty basic, so there's no reason to overpay for what some people do.

I bought this refractometer to measure the sugar content of maple sap. I'm a small manufacturer and didn't want to spend a lot of money monitoring my RO. I tested with 0%, 3% and 8% sugar in water. It was dead as soon as I set the zero properly. The only negative comment I had was that there was no instruction manual but everything else including the dropper and zero screwdriver was in the case. I bought it on sale for around $14 so can't complain. The device makes a solid impression and feels…

Although I only have a few trees in my garden (10 branches), I really wanted to know if my sap/syrup ratio was "in the normal range". This refractometer is very easy to use and extremely accurate. (I calibrated it with 0% distilled water and tested it with 5% lab sucrose. It has worked flawlessly in several different temperature tests!) The device is also extremely robust and seems well constructed for field use. The kit also included a soft zippered pouch, two droppers, and a calibration…