We offer micro con calhandheld. Conductivity range : 0 to 20.00, 200.0, 2000 scm; 2 to 20.00, 200.0 mscmconductivity resolution : 0.001, 0.01, 0.1 scm & 0.01, 0.001 mscmtds range : 0 to 10.00, 100.0, 1000 ppm; 10.00, 100.0 ppt(1ppt=10, 000ppm)tds resolution : 0.001, 0.01, 0.1 ppm & 0.001, 0.01pptrange selection : auto manual rangingtemperature range : 0 to 130.0 octemperature resolution : 0.1octemp. Compensation : automatic & manualtemperature coefficient : 0-10.000 % per oc (adjustable)suitable cell constant : 0.1&1.0 kadjustable cell constant : 0.09 to 1.1 kcond. To tds conv. Fac. : 0.40000 to 1.00000 (adjustable)backlit lcd display : 16 x 2 line alphanumericpower supply : rechargeable battery operated supplied with dc adaptor