Specification :

3110 Series : Functional and easy-to-use
For people who want a reliable, simple and easy-to-use portable
pH meter, the pH 3110 is the right choice.
Robust meter housing plus 100 % waterproof and
easy-
to-clean keypad
Keys with tactile feedback for error-free operation
Built-in calibration timer for reliable results.
Ease-of-use guarantees dependable results
whether measuring surface water or
the chemical process.
Range :
pH
: -2.0 ... 19.9 ± 0.1 pH
: -2.00... 19.99 ± 0.01 pH
: -2.000 ... 19.999 ± 0.005 pH
mV
: ± 1200.0 ± 0.3 mV
: ± 2000 ± 1 mV
temperature
: -5.0 .... 105.0 deg C ± 0.1 deg C
Continous operation : up to 2500 hours

3210 Series : Convenient and versatiles
Do you perform measurements in a variety of applications?
Are different sensors necessary? Is recording of required? Then a meter from the 3210 series is answer to these questions.
Backlit graphic display for best readability even extreme lighting conditions.
The new CMC function ensures reliability to all pH readings.
Plain text menus guarantee comfortable and easy operation
Range :
pH
: -2.0 ... 19.9 ± 0.1 pH
: -2.00... 19.99 ± 0.01 pH
: -2.000 ... 19.999 ± 0.005 pH
mV
: ± 1200.0 ± 0.3 mV
: ± 2500 ± 1 mV
temperature
: -5.0 .... 105.0 deg C ± 0.1 deg C
CMC : yes
Data memory : manual 200

3310 Series : High capacity datalogging
The 3310 Series is the best choice where high capacity datalogging is required whether you are measuring pH, DO or conductivity.
Not only quality but also quantity makes the difference. Besides the measuring features provided with the 3210 series, the measuring instruments pH 3310 have the following advantages :
1. Interval controlled datalogging function for up to 5000 records: perfect for long-term recording in the field
2.100% waterproof USB interface for field measurement
3. Fast data transfer to laptop or PC
Range :
pH
: -2.0 ... 19.9 ± 0.1 pH
: -2.00... 19.99 ± 0.01 pH
: -2.000 ... 19.999 ± 0.005 pH
mV
: ± 1200.0 ± 0.3 mV
: ± 2500 ± 1 mV
temperature
: -5.0 .... 105.0 deg C ± 0.1 deg C
Data memory : manual 200 / automatic 5000