Specifications BL131 • BL 132 pH Range 0.00 to 14.00 pH* Resolution 0.01 pH Accuracy ±0.05 pH (@25 °C / 77 °F) mV Range ±2000 mV Resolution 1 mV Accuracy (@25°C/77°F) ±5 mV (@25 °C / 77 °F) Temperature Range -5.0 to 105.0 ºC (23.0 to 221.0 °F)* Resolution 0.1 °C / 0.1 °F Accuracy (@25°C/77°F) ±1.0 °C /±1.8 °F (@25 °C / 77 °F) Calibration • pH buffer calibration: automatic, two points (4.01, 7.01, 10.01 pH) • pH process calibration: adjustable, single point • ORP (mV) calibration: adjustable, single point Temperature Compensation • Automatic –5.0 to 105.0 °C (23.0 to 221.0 °F) for pH pH Controller • Proportional feed using adjustable set point and adjustable proportional band • Delay to start at power-on • Overdosing protection using overfeed safety timer ORP Controller • Proportional feed using adjustable set point and adjustable proportional band • Delay to start at power-on • Overdosing protection using overfeed safety timer • pH regulator interlocked Alarms • High and Low with enable / disable option for all parameters • Alarm is triggered after five consecutive readings over / under threshold Log Feature • Automatic log • 120 days logging with 30s/1m/5m/15m/30m/1h intervals (or 100 logs) • pH / ORP / temperature measurements • Events: alarms / errors / power outage • Recall table / graphic modes • Export on USB key • Log files in CSV format Front with cover removed Rear 15 Process Instrumentation 15.22 | www.hannainst.com controllers
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