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Hanna HI-991301 meter features two operation buttons and is simple to use. By using these two buttons, all operations and settings including calibration buffers and temperature scale selections are made. It consists of a waterproof and compact casing for IP Protection IP67 conditions and a large tri-line display. This meter has automatic pH calibration at one or two points and a single conductivity calibration. Other user-selectable features include different TDS factors ranges from 0.45 to 1.00, and a range of temperature coefficients from 0.0 to 2.4% for better conductivity or TDS solution temperature compensation. Along with this meter, a specifically designed multi-parameter probe is also included.
Each meter is supplied complete with:
HI-12883 pH/EC/TDS probe with built-in temperature sensor, DIN connector and 1mm cable, pH 4.01 & 7.01 buffer sachets, HI-70030 12880 µS/cm and HI-70038 6.44 ppt calibration solution – 1 sachet of each, HI-700601 Electrode cleaning solution (2 sachets), 100ml beaker, Alkaline batteries: 1.5V AAA x 3, Rugged carrying case, Calibration certificate of meter, Calibration certificate of the probe
|Measuring Parameters||EC, TDS, pH and Temperature|
|Environment||0 to 50°C (32 to 122°F); RH max 100%|
|TDS Conversion factor||Selectable from 0.45 to 1.00 with 0.01 increments|
|Dimensions||154 x 63 x 30 mm|
|Range||pH : -2.00 to 16.00 pH / -2.0 to 16.0 pH; pH-mV: ±825 mV (pH-mV); EC: * 0.00 to 20.00 mS/cm**; TDS: 0.00 to 10.00 ppt; Temp.: -5.0 to 105.0 °C / 23.0 to 221.0 °F|
|Resolution||pH: 0.01 pH / 0.1 pH; pH-mV: 1 mV; EC: 0.01 mS/cm; TDS: 0.01 ppt(g/L); Temp.: 0.1 °C / 0.1 °F|
|Accuracy @ 20°C/68°F||±0.02 pH / ±0.1 pH ±1 mV (pH-mV) ±0.5 °C / ±1.0 °F Temperature ±1 mV (pH-mV)|