Aitelong SAT-AC Battery Conductance Tester  Product Description SAT-AC Series battery Conductance Tester is a multi-function and portable digital data storage measurement instrument to test battery running condtion and parameters quickly and precisely. it can display and record many key parameters for multi-groups like as battery string and each battery cell's voltage, conductance, connecting strip resistance, battery's internal resistance and so on; offer the ability to distinguish battery's condition effectively and accurately; compose with intelligent PC measurement analyzing software, user can track battery's decay trend, and alarm beforehand to help technician and administrators process according to status.   Key Features • High precision online testing, Automatically switch the testing range, large capacity data storage • 320 x 240 LCD • Smart and easy-to-use design, one person can conduct all the tests • Transmit the testing data to PC by Micro SD card to carry out analysis of battery according to the history data. • Display value of voltage, conductance, internal resistance. • Enhanced over voltage protection function. • Automatically recover the over current protection function. • Use the SOC chip to improve the tester stability. • Powered by a large capacity Lithium call battery or adapter. • Low battery warning to guarantee precision testing. • Automatic testing mode for user's convenience. • Powerful PC software to manage the data testing: - Automatically analyze the battery's SOH (State-of-health) - Building the history record database, describes the battery's life span curve   Functions • Test the battery voltage and conductance online. • Battery conductance and voltage out of range alarm. • All the battery parameters are marked by group No. to make the user manage the data expediently. • PC software analyze the battery to carry out tracking  "historical analysis" of battery system.     Technical Parameter Model SAT-AC650 SAT-AC350 Conductance Test Range 100S-19990S 100S-9999S Voltage Test Range 0.000 ~ 20.0     00V conductance & Voltage only            0.000 ~ 16.000V conductance voltage            Measurement Precision Conductance:  ±0.5%rdg     ±6dgt Voltage:  ±0.2%      ±6dgt Conductance: ±0.5%rdg   ±dgt Voltage:  ±0.2%rdg    ±6dgt Power Supply 10.8V,  2000mAh, Rechargeable Lithium Battery Watt Consumption Works for 8 hours Continuously Storage Capacity 2G Micro SD Display 320 x 240 matrix dot LCD Size 210mm x 140mm x 60mm Weight 1.2 Kg Working Temperature -500C - -+600C Humidity 90% RH