PTB 7.2	PTB 21.2
Safety guard:	Safety class C6 (DIN 45690), EN 292, CE, mechanically/electrically interlocked protective hood made of impact resistent polyacrylate, stoppage control
Display:	Backlighted LCD display, 240x128 pixel
Resolution (meas. computer):	0.1 gmm
Repeatability	< 0.5 gmm
Balancing quality:	< G 1.6
Unbalance reduction ratio:	min. 95 %
Test weight (supplied):	300 gmm, calibrated, M6 thread
Balancing speed:	variable: 400 to 1,200 rpm
Tool clamping:	manually	|    manually /
		|    automatically
Capacity: Max. rotor weight:	7.0 kg	|    20.0 kg
Max. rotor height:	330 mm,	|    400 mm,
	incl. tool adapter	|    incl. tool adapter
Max. Ø:	200 mm	|    400 mm
Software:	Display of unbalance amount in g; gmm; oz; oz. in.; display of    unbalance position in degrees
	Quality grade G according DIN/ISO 1940) or permissible    operational speed
	Remount error compensation for the electronic elimination of    adapter errors
	Zeroing of the initial unbalance
	Selectable balancing methods; polar method, components    method (3 to 36 components), split angle method for balancing    rings or sliding weights
	Automatic ranging
	Rotor memory for 500 different rotors
	Drilling and milling depth calculator / entry of material density
	'Double Arrow' remote angle system
	Simplified split angle balancing method connected to automatic    linear optics diode laser    (patent no. WO98/53291; PCT/EP98/03049)
Interfaces:	RS 232 and RS 485, Centronics
Power consumption, max:	300 W	|    500 W
Electrical connection:	230 V / 1 Amp	|    230 V / 3 Amp
Weight:	approx. 80 kg	|    approx. 320 kg
Dimensions (WxLxH):	500x460x510 mm,	|    740x1400x1400 mm,
	with shroud open:	|    with shroud open:
	H = 880 mm	|    H = 1,900 mm
Options:	manual	|    manual or automatic
	SK30 to SK40	|    SK30 to SK50
	HSK32 to HSK63 form A,C	|    HSK25 to HSK100 form A,C,E
	HSK40 to HSK80 form B,D	|    HSK40 to HSK125 form B,D
	Toolholder adapters
	Pneumatically operated clamping device (PTB 21.2)
	Laser printer (PCL5), serial connection
	Laser printer for different label sizes
	Serial scale for automatic weight read-in (G-grade)
	SK40 test rotor with 2 x 20 g test weights in aluminium case
	HSK63 test rotor with 2 x 20 g test weights in aluminium case
	Flat screen with polargrafic
	Extended unbalance correction software
	Special shrouds
	Data transfer-software to host computer
	Automatic indexing in correction position