Comparison : Item # 31059176, Ohaus 220 g Capacity x 1 mg Readability, Explorer Plus™ EXP223/AD Precision Balance with Auto Door, Motorized Leveling, Built-in Ionizer and Internal Automatic Calibration
Item # 31059177, Ohaus 420 g Capacity x 1 mg Readability, Explorer Plus™ EXP423/AD Precision Balance with Auto Door, Motorized Leveling, Built-in Ionizer and Internal Automatic Calibration
Item # 31059178, Ohaus 620 g Capacity x 1 mg Readability, Explorer Plus™ EXP623/AD Precision Balance with Auto Door, Motorized Leveling, Built-in Ionizer and Internal Automatic Calibration
Item # 31059179, Ohaus 1200 g Capacity x 1 mg Readability, Explorer Plus™ EXP1203/AD Precision Balance with Auto Door, Motorized Leveling, Built-in Ionizer and Internal Automatic Calibration
Item # 31059187, Ohaus 2200 g Capacity x 0.01 g Readability, Explorer Plus™ EXP2202 Precision Toploading Balance with Motorized Leveling and Internal Automatic Calibration