For the ultimate in micro-weighing performance choose Sartorius. The Sartorius SE2 ultra-microbalance has been replaced with the new Sartorius Ultra Microbalance MSA2.7S delivers an incredible full resolution of 21 million digits, with a capacity of 2.1g and 0.1 ug readability (that's 0.0000001 grams). The ME5 been upgraded to the Sartorius MSA6.6S will weigh up to 6.1g with 1ug readability. Both models stabilize within an ultra fast 10 seconds, for maximum time savings with each weighing operation. Both the Sartorius SE2 and ME5 microbalances are the world's first to feature the EUREKA air buoyancy correction software, allowing true mass measurement and compensation for fluctuations in air density. Built-in software simplifies backweighing, and enable fast, error-free storage of tare weights, initial sample weights and calculation of the amounts backweighed in any order you choose for as many as 50 samples.
Be sure to see the Sartorius Secura26-1S micrograms balance providing 26 gram weighing capacity with readability to 2 micrograms.
The CPA26P has been discontinued by Sartorius and replaced with the new Sartorius Secura26-1S. The information below is for reference only for those people researching the specs on the CPA26P. The new replacements is leaps and bounds a much more advance balance so be sure to review the Sartorius Secura26-1S HERE.