•Waterproof.
•Automatic temperature compensation (also manual or off capabilities on Models 3210 and 3310).
•TDS measuring capability on Models 3210 and 3310.
•Probe performance indicator ensures optimal probe condition.
•Features 4-electrode technology for greater accuracy. Models 3210 and 3310 also accept 2-electrode cells.
•Designed for rugged field conductivity measurements.
•Meter kits include electrode stand, beaker and conductivity standard.
•Models 3210 and 3310 have bi-directional RS232, auto-read function, 800-point data storage capacity and GLP-related features.
•Power: 4 AA batteries. Model 3310 has NiCad rechargeable batteries.
•CUL Approved.
•Warranty: 3 years.

Specifications: (Ranges)
Conductivity - Model 3110; 0.0 to 199,990 µS/cm - Models 3210 and 3310: 0.000 to 1.999 µS/cm; 0.000 µS/cm to 19.99 µS/cm; 0.0 mS/cm to 500 mS/cm
Accuracy: ±0.5% of the reading
Resistivity: 0.000 to 1999 megohm
TDS: 0 to 1999 ppm (Models 3210 and 3310 only)
Accuracy: ±1 ppm
Temperature: -5.0 to 99.9°C
Accuracy: ±0.1°C
Reference Temperature: 20°C or 25°C, selectable (Model 3110: 25°C)
Salinity: 0 to 70 ppt
Accuracy: ±0.1 ppt
Cell Constant - Model 3110: 0.475 and 0.1 cm-1 fixed; Models 3210: and 3310: 0.475, 0.1 and 0.01 cm-1 fixed; 0.25 to 2.5 and 0.09 to 0.11 cm-1 adjustable