Range:
PH:0.00-14.00PH   EC:0.00-19.99EC      
F:-50-70c     C:-58-158f
CF:0.0-199CF      TDS:10-19990ppm
Resolution:
PH:0.01PH        
EC:0.01EC  CF:0.1CF  TDS:10 ppm
Accuracy:
PH:+/-0.1 PH  
EC, CF-,TDS:+/-2%F.S
Operating Temperature:0-50c
Automatic Temperature Compensation:0-50c
Batteries:DC6V or 4x1.5V (AG13)
Dimensions:155mmx86mmx22mm
Weight:223g