Model	Sampling Rate	Record Length	Vertical Resolution	Output Voltage Range
3153	100.00 MSa/sec	512k points/ch; 8 Meg p.as opt.	12 bits	10 Vp-p
3155	100.00 MSa/sec	2 Meg memory	14 bits	80 mVp-p;8 Vp-p
3151A+	100.00 MSa/sec	512K	12 bits	16 Vp-p