Absolute Arm 
85 Series
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Hexagon Absolute Arm 85 Series
The Absolute Arm 85 series represents the standard, all-purpose performance tier within the Absolute Arm range. This series delivers balanced performance and value, offering higher accuracy for demanding applications compared to the entry-level 83 series, while remaining more accessible than the premium 87 series.
All 85 series models feature IP54 protection rating for use in dusty and wet conditions, operate in temperatures from 5°C to 45°C, and incorporate the Advanced Frame Structure for exceptional thermal stability. The series includes both 6-Axis models for precision probing and 7-Axis models that combine probing with scanning capabilities.
Available in seven sizes ranging from 1.2m to 4.5m measurement volumes, the 85 series provides versatile options for manufacturers seeking reliable, accurate measurement across a wide range of applications without premium-tier investment.
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Technical Specifications
Absolute Arm 85 Series Datasheet

Absolute Arm 85 Series

Perfect balance between value for money and accurate measurement

7-Axis Models (Probing and Scanning)

Model Max Reach EUNI PSIZE LDIA PFORM
8520-7 2.48 m 0.029 mm 0.010 mm 0.038 mm 0.021 mm
8525-7 2.98 m 0.031 mm 0.012 mm 0.048 mm 0.025 mm
8530-7 3.48 m 0.053 mm 0.020 mm 0.080 mm 0.035 mm
8535-7 3.98 m 0.064 mm 0.024 mm 0.096 mm 0.043 mm
8540-7 4.48 m 0.081 mm 0.029 mm 0.117 mm 0.050 mm
8545-7 4.98 m 0.113 mm 0.040 mm 0.140 mm 0.065 mm

Scanner System Accuracy (7-Axis Models)

Model AS1 SSA AS1-XL SSA RS5 SSA
8520-7 0.039 mm — 0.043 mm
8525-7 0.045 mm 0.097 mm 0.046 mm
8530-7 0.061 mm 0.129 mm 0.063 mm
8535-7 0.075 mm 0.147 mm 0.076 mm
8540-7 0.085 mm 0.159 mm 0.087 mm
8545-7 0.134 mm 0.189 mm 0.141 mm

6-Axis Models (Probing)

Model Max Reach EUNI PSIZE LDIA PFORM
8512-6 1.49 m 0.018 mm 0.006 mm 0.016 mm 0.011 mm
8520-6 2.23 m 0.023 mm 0.008 mm 0.030 mm 0.017 mm
8525-6 2.73 m 0.028 mm 0.010 mm 0.035 mm 0.020 mm
8530-6 3.23 m 0.040 mm 0.014 mm 0.049 mm 0.028 mm
8535-6 3.73 m 0.053 mm 0.018 mm 0.066 mm 0.036 mm
8540-6 4.23 m 0.065 mm 0.022 mm 0.082 mm 0.041 mm
8545-6 4.73 m 0.080 mm 0.028 mm 0.102 mm 0.050 mm

Compact Model ISO 10360-2 Specifications

Model MPEp MPEe
8512 0.006 mm 5+L/65 <0.015 mm

Operating Conditions

Operating Temperature 5 to 45°C
Storage Temperature -30 to +70°C
Operational Elevation Up to 2000 m
Relative Humidity 10 to 90% non-condensing
Protection Rating IP54
Power Requirement 110-240 V

Accuracy Parameters:

EUNI = Maximum permissible longitudinal error of measurement (ISO 10360-12:2016)

PSIZE = Maximum permissible probe deviation, size (ISO 10360-12:2016)

LDIA = Maximum permissible probe deviation, position (ISO 10360-12:2016)

PFORM = Maximum permissible probe deviation, shape (ISO 10360-12:2016)

SSA = Scanning System Accuracy (ISO 10360-8 Annex D)

MPEp = Maximum permissible error, probing (ISO 10360-2)

MPEe = Maximum permissible error, length measurement (ISO 10360-2)