Feature：
With Built-in ATC compensation Range (Automatic Temperature Compensation) from 10°C to 30°C.
Due to it is equipped with ATC（Automatic Temperature Compensation）system, for field use, without having to re-calibrate after changes in ambient working temperature.
Soft rubber eye piece for comfortable viewing.
Equipped with scale measurement which provides direct reading.
Accurate testing results guaranteed.
Extremely easy-to-use and calibrate.
Adjustable manual focusing.
Uses ambient light only which means battery or power source is not required.
Cushioned with soft & comfortable non-slip rubber.
Specifications:
Two scale: 
Brix scale: 0~32% Brix;
Specific Gravity Scale: 1.000~1.120sg
Minimum Division: 0.2% Brix; 0.001sg
Accuracy: 0.2%Brix; 0.001sg
Reference Temperature: 20°C
ATC(Automatic Temperature Compensation)Compensation Range: 10°C~30°C (50°F~86°F)
Material: Aluminium alloy
Color: Black
Weight: 109g
Size: 17*4cm/ 6.69*1.57inch
Package content:
1 x Sugar meter
1 x Screwdriver
1 x Straw
1 x Cleaning cloth
1 x Users manual（English）