Yes, you can if you use "Check Intervals", which piano tuners do.
Take D4 and A4 for example.
The check note is F3, a M6 below the bottom note of a P5.
Play F3 with D4, then F3 with A4.
Each will beat at A5.
If the beats are the same speed, the interval is pure (i.e. when you play D4A4 there...