ULM-E universal length measuring comparator instruments are mounted on highly homogeneous rigid granite in a horizontal configuration
X-axis measuring system:
Heidenhain incremental, precision length measuring system, 100 mm long
Z-axis measuring system:
Renishaw incremental, precision length measuring system, 80 mm long

High measuring accuracy
Ccompliant with Ernst Abbe's comparator principle
Manual operation of measuring spindle
Air bearings for smooth manual positioning of measuring element and counter bearing (not ULM 300-E)
Object table height adjustment via pushbuttons (also positioning of predefined increments)
Computer provided temperature measurement with 2 or 3 sensors
Computer-aided correction of systematic instrument errors (CAA)
Computer-aided instrument zero point stabilizing
Computer-aided correction of temperature and measuring force influences
Constant measuring force over the entire measuring spindle setting range
Large object table with precision guidance in the Z direction and a loading capacity of 25 kg
Automatic reversing point detection with static and dynamic adoption of measuring values
Inner thread measurement supported by automatic Z positioning
Highly flexible in application range
Mahr 828 WIN measuring and evaluation software runs under MS Windows®
Optional use of measuring axis extensions