wtw pH 7310 - Technical Data; Measuring Ranges, Resolution, Accuracy

Technical data pH 7310
62 ba75929e02 10/2011
13 Technical data
13.1 Measuring ranges, resolution, accuracy
Measuring ranges,
resolution
Parameter Measuring range Resolution
pH - 2.0 ... + 20.0 0.1
- 2.00 ... + 20.00 0.01
- 2.000 ... + 19.999 0.001
U [mV] - 1200.0 ... + 1200.0 0.1
- 2500 ... + 2500 1
T [°C] - 5.0 ... + 105.0 0.1
T [°F] 23.0 ... + 221.0 0.1
Manual
temperature input
Parameter Range Increment
T
manual
[°C] - 25 ... + 130 1
T
manual
[°F] -13 ... + 266 1
Accuracy (± 1 digit) Parameter Accuracy Temperature of the test
sample
pH / range *
- 2.0 ... + 20.0 ± 0.1 + 15 °C ... + 35 °C
- 2.00 ... + 20.00 ± 0.01 + 15 °C ... + 35 °C
- 2.000 ... + 19.999 ± 0.005 + 15 °C ... + 35 °C
U [mV] / range
- 2500 ... + 2500 ± 1 + 15 °C ... + 35 °C
-1200.0 ... +1200.0 ± 0.3 + 15 °C ... + 35 °C
T [°C] / temperature sensor
NTC 30 ± 0.1
PT 1000 ± 0.1
* when measuring in a range of ± 2 pH around a calibration point
The accuracy values specified here apply exclusively to the meter.
The accuracy of the
electrodes and buffer solutions has to be taken
into account additionally.