Encore	Virtuoso	Virtuoso Preciso	Vario	Vario-W
Burr	40 mm hardened steel conical burr	40 mm commercial grade conical burr	40 mm commercial grade conical burr	54mm Ceramic flat burrs	54mm Ceramic flat burrs
Range of Grind	Espresso to Press pot 250-1200 microns	Espresso to Press pot 200-1400 microns	Espresso to Press pot 200-1400 microns	Espresso to Press pot 230-1150 microns	Espresso to Press pot 230-1150 microns
Steps of adjustment	40 steps	40 Steps	40 macro x 11 micro = 440	10 macro x 23 micro = 230	10 macro x 23 micro = 230
Grind adjustment can be recalibrated	Yes	Yes	Yes	Yes	Yes
User interface	On/off	Timer	Timer	Digital Dosing (user programmable)	Digital Dosing (user programmable)
Pulse button	Yes	Yes	Yes	Yes	Yes
Power Rating (North America)	110 V AC 50/60 Hz. 1.0 Amp.	110 V AC 50/60 Hz. 1.0 Amp.	110 V AC 50/60 Hz. 1.0 Amp.	110 V AC 50/60 Hz. 1.4 Amp.	110 V AC 50/60 Hz. 1.4 Amp.
Power Rating (Other)	230 V AC 50/60 Hz. .5 Amp	230 V AC 50/60 Hz. .5 Amp	230 V AC 50/60 Hz. .5 Amp	230V AC 50/60 Hz. .8 Amp	230 V AC 50/60 Hz. .5 Amp
Burr rotation speed	450 rpm (adjustable /- 10%)	600 rpm (adjustable /- 10%)	450 rmp (adjustable 10%)	1200 rpm	1200 rpm
Speed of grind	.8 to 1.1 g/sec	1.5 to 2.4 g/sec.	1.5 to 2.4 g/sec.	1.6 to 2.2 g/sec	1.6 to 2.2 g/sec
Bean Hopper Capacity	8 oz (250 gr.)	8 oz (250 gr.)	8 oz. (250 gr.)	8oz. (250 gr.)	8 oz (250 gr.)
Grounds Bin Capacity	5 oz.	5 oz	5 oz.	8 oz	8 oz.
Compatible with Esatto	Yes	Yes	Yes	No	No. Weighing grinder.
Weight	7 lbs (3.1 kg)	8 lbs (3.6 kg)	8 lbs (3.6 kg)	9 lbs (4.1 kg)	9 lbs (4.1 kg)
Dimension WxHxD cm	12x35x16 cm	12x35x16 cm	13 x 36 x 18 cm	13 x 36 x 18 cm	13 x 36 x 18 cm
Color	Black	Black and brushed nickel	Black and brushed nickel	Black and brushed nickel	Black and brushed nickel
Metal Enclosure	No	Partial	Partial	Partial	Partial
Metal Base	No	Yes	Yes	Yes	Yes
Warranty	1 year	1 year	1Year	1 year	1 year
Safety Listing	UL/CSA/CE/EK	UL/CSA/CE/EK	UL/CSA/CE/EK	UL/CSA/CE/EK/JET /VDE	UL/CSA/CE/EK/JET /VDE