Model: EL2007 Measuring Mode Conductivity TDS Temperature at F Temperature at C Rejection Rate TDS Timer TDS with Temperature Conpensation Conductivity with Temperature Conpensation Measuring Range Conductivity 3~3,000 µS/cm TDS 3~2,000 mg/L (ppm) Temperature 1~60? or 30~140? Rejection rate 1~99 % Timer 0.1~999.9 second Specifiction & Parameters Resolution 1 µS/cm; 1mg/L; 0.1? or 1.0?; 1%; 0.1 sec Temperature Compensation 2.2%/? TDS Factor Index TDS 0.4;0.5;0.6;0.7;0.8;0.9 Memory HOLD1; HOLD2 Auto off 2 minutes Size Ø31.6 x 178 mm Battery 3V x 1ea, CR2032