Range 0.00 to 14.00 pH; 0.00 to 20.00 mS/cm EC; 0.00 to 10.00 ppt TDS; 0.0 to 60.0°C or 32.0 to 140.0°F
Resolution 0.01 pH; 0.01 mS/cm EC; 0.01 ppt TDS; 0.1°C or 0.1°F
Accuracy (@20°C/68°F) ±0.01 pH; ±2% F.S. EC/TDS; ±0.5°C or ±1.0°F
Typical EMC Deviation ±0.03 pH; ±2% F.S. EC/TDS; ±0.5°C or ±1.0°F
EC/TDS Ratios Selectable from 0.45 to 1.00 (0.50 default); step is of 0.01 unit
pH Calibration Automatic 1 or 2 points with 2 sets of memorized standard buffers
EC/TDS Calibration Automatic 1 point at 6.44 ppt
Temp. Compensation Automatic from 0 to 60°C pH; Automatic from 0 to 60°C with a selectable b from 0.0 to 2.4% per °C EC/TDS
Probe (included) HI 1288 pH/EC/TDS probe with built-in temperature sensor, DIN connector and 1 m (3.3?) cable
Battery Type / Life 4 x 1.5V AAA / approximately 500 hours of continuous use
Environment 0 to 50°C (32 to 122 °F); RH 100%
Dimensions 143 x 80 x 38 mm (5.6 x 3.1 x 1.5?)
Weight 320g (11.3 oz.)

HI 991301 is supplied complete with pH/EC/TDS/T HI 1288 probe, with 1 m (3.3?) cable, batteries, rugged carrying case and instructions.