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Full specifications Accuracy ( mV) ± 0.2 mV or ± 0.05% of reading whichever is greater Accuracy ( pH) ± 0.01pH Battery Life 2000 hours Battery Type Four AA ( included) Data Management Details 50 point non-volatile memory; option to delete last point or delete all Data Points 50 Description Orion Star A121 pH/ mV/ Temperature Portable Meter Kit Inputs BNC ( pH) , 8-pin Mini-DIN ( temperature) IP Rating IP-67 Outputs None Configuration Details Star A121 pH Meter with Batteries; 9107BNMD Gel-filled Epoxy pH/ ATC Triode with 1.5 Meter Cable; 916099 pH Buffer 60mL Kit; 911110 Rinse Solution Pouches; STARA-CS Star A Meter Hard Carrying Case; STARA-AR Star A Meter Armor with Stand and Electrode Holder Probe Type pH electrode, ATC probe, ORP electrode - includes 9107BNMD Range ( mV) ± 1600.0 mV; ± 1999.9 RmV Range ( pH) -2.00 to 16.00pH Relative Humidity Range 5 to 85 % , non-condensing Resolution ( mV) 0.1mV Resolution ( pH) 0.1, 0.01pH Temperature ( English) Operating 41° to 113° F Temperature ( Metric) Operating 5 to 45° C Accuracy ( Temperature) ± 0.1° C Range ( Temperature) -5 to 105° C Resolution ( Temperature) 0.1° C Display Type LCD AC Adapter Universal 90-260 VAC ( sold separately) Warranty 3 year meter replacement Log Function Type Manual, automatic with AUTO-READ Calibration Points ( pH) 1 to 3 Certifications/ Compliance IP-67 Includes Star A121 pH Meter with Batteries; 9107BNMD Gel-filled Epoxy pH/ ATC Triode with 1.5 Meter Cable; 916099 pH Buffer 60mL Kit; 911110 Rinse Solution Pouches; STARA-CS Star A Meter Hard Carrying Case; STARA-AR Star A Meter Armor with Stand and Electrode Holde Temperature ( English) Range 23° to 221° F Temperature ( Metric) Range -5 to + 105° C
