CALL: A.WIHARTA 081294124885 085778084789 087784022201   Info Produk Autoranging meter offers 3 ranges of measurements from tap water to wastewater and any aqueous solution Units of measure include µ S/ cm, mS/ cm, ppm, ppt, mg/ L, and g/ L Adjustable Conductivity to TDS ratio factor from 0.4 to 1.0 - conveniently calculates the TDS value Large 3-1/ 2 digit ( 2000 count) Digital display with analog bargraph to indicate sample trends Data Hold, Auto Power Off and low battery indication Automatic Temperature Compensation of 2% per ° C Simultaneous display of Conductivity, TDS, or Salinity plus Temperature Internal memory stores up to 25 labeled readings for easy recall Self calibration of electronics on power up Order Conductivity standards separately Complete with meter and Conductivity cell, protective cap, sample cup, four CR2032 batteries, and 48" ( 1.2m) neckstrap