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• All CG instruments
• SE199 and SE300 Series (CG of very small parts)
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• SE90168 Series (cost effective CG and weight solution)
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Know-How
• Selecting the right instrument
• Pitfalls of home made CG instruments
• Center of Gravity Definition

Other Measurements
You may also be interested in measuring:
• Moment of inertia
• Product of Inertia

Refurbished Machines
• CG and MOI
• Spin Balance Machine
• Center of Gravity
• Moment of Inertia


SERIES SE90168
COST EFFECTIVE WEIGHT AND CENTER OF GRAVITY INSTRUMENTS

low cost center of gravity instrumentCost effective - The SE90168 instruments are designed as an entry point into center of gravity measurement. They use conventional technology to measure payloads from 2 to 125 lbs with medium accuracy.

Measurement concept - These instruments use the multi-point weighing method to simultaneously measure both weight and two coordinates of center of gravity. The operator may simply rotate the payload by 90 degrees to obtain the third coordinate of CG.

Ease of Use - It takes less than one minute to measure weight and two coordinates of center of gravity.

Automated - The computer system included with the system guides the operator through the measurement sequence. Weight and center of gravity coordinates are calculated by the computer and displayed on the screen.

Powerful software features - The SE90168 instruments are provided with a computer and software. Our measurement and calibration software has the following features:
    • Built-in tare and part measurement allows the operator to tare out any fixture
    • Guided measurement sequence with instructions provided on screen
    • Direct display of weight and two axis coordinates of CG - no calculation needed
    • Guided calibration sequence with instructions provided on screen - works with any calibrated weight
    • User defined units, metric or imperial
    • CG Results displayed in user defined reference system (datum translation and axes rotation)
    • Optional 3D database to construct a CG measurement record in 3 dimensions

Calibration Standard - A precision weight to calibrate the instrument is available as an option for those customers who do not have a weight standard available.

Specifications


Model Number

Payload Weight Range (test part + fixture)

Weight Measurement Accuracy

Center of Gravity Measurement Accuracy

Interface Plate Shape and Dimensions

SE90168-25

1 to 25 lb
(0.45 to 11.3 kg)

0.01 lb + 0.3% of measured value
(5 g + 0.3% of measured value) 		+/- 0.040 inches
(+/- 1 mm)

Square 18" x 18"
(457 mm x 457 mm)
SE90168-60 2 to 60 lb
(0.9 to 27 kg) 		0.01 lb + 0.3% of measured value
(5 g + 0.3% of measured value) 		+/- 0.040 inches
(+/- 1 mm)		 Square 18" x 18"
(457 mm x 457 mm)
SE90168-125 10 to 120 lb
(4.5 to 54 kg)		 0.03 lb + 0.5% of measured value
(15 g + 0.5% of measured value)		 +/- 0.04 inch for payloads over 30 lb
+/- 0.06 inch for payloads between 10 and 30 lb
(+/- 1 mm for payloads over 13.6 kg
+/- 1.5 mm for payloads between 4.5 and 13.6 kg )		 Square 18" x 18"
(457 mm x 457 mm)

SE90168-300

 25 to 300 lb
(11.3 to 136 kg)

0.06 lb + 0.3% of measured value
(30 g + 0.3% of measured value)

 +/- 0.060 inches
(+/- 1.5 mm)		 Triangular 30.7" x 35.5"
(780 mm x 902 mm)

Available Online SE90168 Literature:
   SE90168 Product Sheet (Imperial Units) (pdf, 80 KB)
   SE90168 Product Sheet (Metric Units) (pdf, 81 KB)



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Space Electronics LLC - 81 Fuller Way - Berlin, CT 06037 (USA) - Phone: +1 860 829 0001 - Fax: +1 860 829 0005 - Email: sales@space-electronics.com
Our Mass Properties Measurement Products: 
Center of Gravity Measurement Instruments  
Moment of Inertia Measurement Instruments  
Product of Inertia Measurement Instruments  
Combined Mass Properties Measurement Instruments