pH=B7ORP=B7EC=B7=B0C =B7CF=B7TDS Test Meters Monitoring Model/Article No: YM-2006A Minimum Order: 100 Packing:100/1cartons Delivery Time:7 Supply Ability:5000 Quality / Safety Certification:CE 9001 Product Description: pH/ORP/EC(TDS.CF)/Thermometers Meters Monitoring Specifications ---- Range pH: 0.00 -- 14.00pH ORP: from 0-1000 mV. EC:0.00 -- 19.99 (100.00meet the Sea-water measurement.) EC =B0C: -50=B0C -- 70=B0C =B0F: -58=B0F -- 158=B0F CF: 0.0 -- 199CF TDS: 10 -- 19990ppm --- Resolution: pH: 0.01pH =B0C: 0.1=B0C =B0F: 0.2=B0F EC: 0.01EC CF:0.1CF TDS:10ppm ---- Accuracy pH: +/- 0.03 pH =B0C:1.0=B0C EC.CF.TDS :+/- 2% F.S ---- Operating Temperature: 0=B0C-- 50=B0C ---- Automatic Temperature Compensation: 0=B0C--50=B0C ---- Batteries: DC9V/100mA or Rechargeable battery ---- Dimensions: 136x93x34mm ---- Weight:250g Specifications YM-2006A -- I am the manufacturer of the YM Instrument Co,.Ltd. in China. you are invited to visit our web site: http://yingming.17.cn/ http://www.chinataizhou.net