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