As long as instructions for usage as well as care and maintenance of the product are followed. The True Track Smart System blood glucose measuring device is very accurate. You can read the directions in the online owners manual. http://www.niprodiagnostics.com/our_products/downloads/bgm_true_track/TT_OWNERS_MANUAL.pdf
Precision is how to keep track of good a measuring device is. Accuracy is how close an answer is to being correct. Something can be precise but not accurate. Something can be accurate but not precise.
A True Track Smart system is a brand of glucose blood monitor. It requires you to apply a pin to your finger and then apply the blood to the monitor which will then tell you how much glucose is in your blood.
After conducting some internet research, I have found that more customers have rated this product to be inconsistent in it's results and not to reliable. The places I found my information came from places like Amazon.com and I read the customer reviews for this product.
On a true track system, E-3 means that the test strip in the machine is expired, oxidized, used, or defective. Replace strip and try again.
The rear track of the 2008 Smart Fortwo is 4 ft. 6.5 in. (54.5 in.).
The front track of the 2008 Smart Fortwo is 4 ft. 2.5 in. (50.5 in.).
The rear track of the 2012 Smart Fortwo is 4 ft. 6.5 in. (54.5 in.).
The front track of the 2012 Smart Fortwo is 4 ft. 2.5 in. (50.5 in.).
The front track of the 2013 Smart Fortwo is 4 ft. 2.5 in. (50.5 in.).
The rear track of the 2011 Smart Fortwo is 4 ft. 6.5 in. (54.5 in.).
The rear track of the 2013 Smart Fortwo is 4 ft. 6.5 in. (54.5 in.).
The front track of the 2011 Smart Fortwo is 4 ft. 2.5 in. (50.5 in.).