Hexagon Absolute Arm 87 Series
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Hexagon Absolute Arm 87 Series
The Absolute Arm 87 series represents the ultimate performance tier within the Absolute Arm range. This premium series delivers the highest accuracy and performance available in portable measuring arms, making it ideal for high-precision, critical measurement tasks where accuracy is paramount.
All 87 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, delivering the most accurate arm available on the market.
Available in five sizes ranging from 2.5m to 4.5m measurement volumes, the 87 series provides unmatched precision for manufacturers and metrology service providers requiring the highest standards of measurement accuracy in demanding applications.
Absolute Arm 87 Series
Ultimate solution for portable high-accuracy measurement
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Technical Specifications
Absolute Arm 87 Series Datasheet

Absolute Arm 87 Series

Ultimate solution for portable high-accuracy measurement

7-Axis Models (Probing and Scanning)

Model Max Reach EUNI PSIZE LDIA PFORM
8725-7 2.98 m 0.027 mm 0.011 mm 0.042 mm 0.021 mm
8730-7 3.48 m 0.048 mm 0.016 mm 0.072 mm 0.032 mm
8735-7 3.98 m 0.060 mm 0.019 mm 0.087 mm 0.038 mm
8740-7 4.48 m 0.075 mm 0.025 mm 0.106 mm 0.043 mm
8745-7 4.98 m 0.104 mm 0.035 mm 0.125 mm 0.050 mm

Scanner System Accuracy (7-Axis Models)

Model AS1 SSA AS1-XL SSA RS5 SSA
8725-7 0.041 mm 0.087 mm 0.042 mm
8730-7 0.054 mm 0.103 mm 0.056 mm
8735-7 0.065 mm 0.121 mm 0.068 mm
8740-7 0.076 mm 0.138 mm 0.078 mm
8745-7 0.115 mm 0.155 mm 0.121 mm

6-Axis Models (Probing)

Model Max Reach EUNI PSIZE LDIA PFORM
8725-6 2.73 m 0.025 mm 0.009 mm 0.028 mm 0.017 mm
8730-6 3.23 m 0.036 mm 0.012 mm 0.044 mm 0.025 mm
8735-6 3.73 m 0.048 mm 0.015 mm 0.061 mm 0.032 mm
8740-6 4.23 m 0.061 mm 0.019 mm 0.075 mm 0.036 mm
8745-6 4.73 m 0.074 mm 0.026 mm 0.094 mm 0.046 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)