WTW Portable Conductivity, Salinity, TDS, Temperature Meters

•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