3 ph value / orp voltage, 4 turbidity, Ph value / orp voltage – Xylem pHotoFlex/pHotoFlex Turb User Manual
Page 94: Turbidity

Technical data
pHotoFlex / pHotoFlex Turb
94
ba75491d04
07/2006
7.3
pH value / ORP voltage
7.4
Turbidity
Measuring ranges,
resolution
Variable
Measuring range
Resolution
pH
- 2.00 ... + 16.00
0.01
U [mV]
- 1000 ... + 1000
1
T [°C]
- 5.0 ... + 100.0
0.1
T [°F]
- 23.0 ... + 212.0
0.1
Manual
temperature input
Variable
Range
Increment
T
manual
[°C]
- 20 ... + 100
1
Accuracy (± 1 digit)
Variable
Accuracy
Temperature of the test
sample
pH *
± 0.01
+ 15 °C ... + 35 °C
U [mV]
± 1
+ 15 °C ... + 35 °C
T [°C]
± 0.3
0 °C ... + 55 °C
T [°F]
± 0.54
0 °C ... + 55 °C
* when measuring in a range of ± 2 pH around a calibration point
Measuring principle
Nephelometric measurement according to DIN EN ISO 7027
Light source
Infrared LED
Measuring range
0.01 ... 1100 NTU/FNU
Resolution
in the range
0.01 ... 9.99
max 0.01 NTU/FNU
in the range
10.0 ... 99.9
max 0.1 NTU/FNU
in the range
100 ... 1100
max 1 NTU/FNU
Accuracy
in the range
0 ... 1000 NTU/FNU
± 2% of the measured value
or ± 0.01 NTU/FNU
Measuring time
4 seconds
Calibration
Automatic 3-point calibration