DR601 Digital coolant,battery,cleaner refractometer This model can be used for measuring the freezing point of either ethylene glycol or propylene based cooling systems and cleaner.it can be used for checking the strength of electrolyte solution batteries. Cleaner:(0)~(-40) Centigrade  

Ethylene Glycol:(0)~(-50) Centigrade  

Propylene Glycol:(0)~(-50) Centigrade  

Battery:1.000~1.500sg 

Operation temperature:0.0~50.0 Centigrade(32.0~144.0Fahrenheit)

Power supply:1.5V battery*1

Automatic shut off

Dimensions:121 x 58 x 25(mm)

Net weight:90g  (battery not included)