I try to do a ketone (urine) test strip once daily but the timing depends on when I can catch Electra headed for the litter boxes. I bought several disposable paper cups and plastic cups and I can "catch" the testing sample as she pees. I test blood glucose (usually) once each day at about 3-5 hrs after she gets her meds. I have not tried a curve test yet, but it would be interesting to see how her bg changes over the 24 hr period. I have a digital baby scale I use to weigh my cats, and it is pretty close to what my vet office has, so I think it is pretty accurate.
I was really worried about starting this drug after seeing several horror stories online, but I know my Vet did a lot of research and made sure the blood and UA tests showed Electra was in the right spot for this drug; the papers that come with the meds have specific tests mentioned so if you got copies of your cat's blood tests you can look at how they compare. I read the inserts a few times for advice on how to give the meds and what to look for; they have a great website also. Document as much as possible- if anything does go wrong they promise to cover the switch to Prozinc, or emergency vet costs. My last diabetic cat was on Prozinc, so I know that is a good insulin, and if we had to switch it would be my first choice.