• Easy brix measurement
  • Easy installation (start using at the day of installation)
  • Fast measurement
  • The rank indicator lights up at the same time
  • 1 year warranty


Measurement methodNear-Infrared Spectroscopic Analysis Method
Applicable fruitsTomatoes, peaches, mangoes, apples, Japanese pears, persimmons, strawberries, grapes, citrus fruits (unshu mandarins, dekopon), etc.
Displaysugar content (Brix), guidance, alarm, etc.
Processing capacity700-1000 pieces/hour
Quality Rank4 ranks, can be set as desired
Communication portUSB 2.0 for calibration curve creation and updating
BatteryAC100V, 120W, 50/60Hz
ExteriorSteel, baked paint
SizeWidth: 30cm, Height: 16cm, Depth: 26cm Weight: 7kg

Package contents

Main unit (ST77B) 1 
Battery cable 1 
Instruction manual
1 year warranty registration card


Please follow the instructions below to use the sugar content meter properly.

Do not give any external shocks to the instrument as it is a precision optical instrument.
Do not give any external shocks to the instrument, as this may cause the optical axis to shift, resulting in measurement errors.
A halogen lamp is housed in the rear of the unit.
Avoid direct contact with the lamp as it is hot.
To maintain the measurement accuracy, it is recommended to perform a periodic inspection once a year.
The lamp for the light source is a genuine Astem product.
The use of lamps from other manufacturers may cause problems.