Hertz. Hertz (abbreviated: Hz) is the standard unit of measurement used for measuring frequency. Since frequency is measured in cycles per second, one hertz equals one cycle per second. Hertz is used commonly used to measure wave frequencies, such as sound waves, light waves, and radio waves.
Novolin R should only be mixed as directed by the physician. 1  Novolin R is a short-acting insulin and is often used in combination with intermediate- or long-acting insulins. 2  The order of mixing and brand or model of syringe should be specified by the physician. A U-100 insulin syringe should always be used.
Short-acting insulin (regular). Onset of action 30 minutes Peak 2 to 3 hours Duration 3 to 6 hours Brand names HumulinÂ® RNovolinÂ® R Additional information Should be injected 30 to 45 minutes before eating. Clear in appearance.Available in vials and pens.Intermediate-acting insulin. Onset of action 2 to 4 hours Peak 4 to 12 hours Duration 12 to 18 hours Brand names HumalinÂ® N (NPH)NovolinÂ® N (NPH) Additional information Cloudy in appearance.NPH is available in vials and pens.f the insulin mix that your regimen calls for isn't available as a pre-mix, you'll have to do the mixing yourself because you can't adjust the dosage of one of the insulins in a pre-mix without also adjusting the dosage of the other.