A&D AD-4212A-100/200/600/1000 Manuel D’Utilisation

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8. CALIBRATION 
Calibration  
Calibration using the calibration weight 
 
Calibration test 
 
To check the weighing accuracy, using the calibration weight, and output the result.     
(Calibration test does not perform calibration.) 
 
Caution 
  Calibration adjusts the balance for accurate weighing.   
  Besides periodic calibration and before each use, perform calibration when: 
  • the balance is installed for the first time. 
  • the balance has been moved. 
  • the ambient conditions have changed. 
  Do not allow vibration or drafts to affect the balance during calibration. 
  To output the data for GLP using the RS-232C interface, set “GLP output ( info )” of “Data 
output ( dout )”. For details, refer to “10. FUNCTION TABLE”. Time and date are added to the 
GLP report. If the time or date is not correct, adjust them. For details, refer to “10-9 Clock and 
Calendar Function”.   
  Calibration test is available only when “GLP output ( info )” of “Data output ( dout )” is set to 
“1” or “2”, 
  The calibration and calibration test data can be stored in memory. To store them, set “Data 
memory ( data )” to “3”. For details, refer to “14. DATA MEMORY”. 
 
Caution on using an external calibration weight 
 The accuracy of the weight can influence the accuracy of weighing. Select an appropriate 
weight as listed below. A calibration weight (conforming to OIML, Class E2 or equivalent) is 
provided with the balance as a standard accessory.                                          
Model 
Usable calibration weight 
Adjustable range 
 
Calibration  
weight provided
AD-4212A-100 20 
g, 
50 g, 100 g 
-15.0 mg to +15.9 mg 
50 g 
AD-4212A-200 20 
g, 
50 
g, 
100 g, 200 g   
100 g 
AD-4212A-600 
20 g, 50 g, 100 g, 200 g, 300 g, 400 g 
500 g, 600 g 
AD-4212A-1000  20 g, 50 g, 100 g, 200 g, 300 g, 400 g 
500 g, 600 g, 700 g, 800 g, 900 g, 1000 g
-15 mg to +15 mg 
200 g 
AD-4212B-101 
AD-4212B-102 
10 g, 20 g, 50 g, 100 g 
-15.00 mg to +15.99 mg 
50 g 
AD-4212B-201 
10 g, 20 g, 50 g, 100 g, 200 g   
AD-4212B-301 
10 g, 20 g, 50 g, 100 g, 200 g, 300 g 
-15.0 mg to +15.9 mg 
100 g 
The calibration weight in bold type: factory setting 
The calibration weight value can be adjusted within the range above. 
 
Display 
 This indicator means “the balance is measuring calibration 
data”. Do not allow vibration or drafts to affect the balance 
while this indicator is displayed.