ADWA AD331 Waterproof Portable E.C/ Temp Meters

Range: 0.00 to 19.99 μS/cm / 0.00 to 10.00 ppm

0.0 to 199.9 μS/cm / 0.0 to 100.0 ppm

0 to 1999 μS/cm / 0 to 1000 ppm

0.00 to 19.99 mS/cm / 0.00 to 10.00 ppt

0.0 to 199.9 mS/cm / 0.0 to 100.0 ppt

-9.9 to 120.0 °C

Resolution: 0.01 / 0.1 / 1 μS/cm; ppm; 0.01 / 0.1 mS/cm; ppt; 0.1 °C

Accuracy (at 25°C/77°F): ±1% f.s.; ±0.5 °C

EC calibration: Offset: 0.0 μS/cm;Slope: 1 point with 6 memorized standards(84.0, 1413 μS/cm; 5.00,12.88, 80.0, 111.8 mS/cm)

Temperature calibration: User offset adjustment ±1°C

Temperature compensation: ATC / MTC from -9.9 to 120°C

Temperature coefficient: 0.0 to 10.0 %/°C

Reference temperature: Selectable from 15.0 to 30.0°C

TDS factor: 0.4 to 1.0

Probe: 4-ring EC probe (K=1) with built-in NTC10K temperature sensor

GLP: Yes with time stamp

Hold function: yes (auto)

Low battery indication: yes

Auto shutt-off: yes

Power supply: 4 x 1.5V AA batteries 

Features: Multiple Range, ATC & MTC, 250 samples memory, GLP capability, HOLD function, Auto Shut-Off

Supplied with: in carton box, AD76309 conductivity probe with built-in temperature sensor, calibration solution in sachets (1413 µS/cm and 1288 mS/cm, 20 ml each),  1.5V AA alkaline battery (4 pcs), user manual.