pHotoFlex
®
pH
Technical data
21
ba75977d04
11/2018
Sensor symbol flashes
Technical data
General data
– Cable broken
– Replace cable or electrode
– pH electrode unsuitable
– Use suitable electrode
– Temperature difference
between buffer and test
sample too high
– Adjust temperature of buffer
or sample solutions
– Measurement procedure not
suitable
– Follow special procedure
Cause
Remedy
Cause
Remedy
– Calibration interval expired
– Recalibrate the measuring
system
Dimensions
approx. 236 x 86 x 117 mm
Weight
approx. 0.6 kg (without batteries)
Mechanical structure
Type of protection
IP 67
Electrical safety
Protective class
III
Test certificates
CE, FCC
Ambient
conditions
Storage
- 25 °C ... + 65 °C
Operation
0 °C ... + 50 °C
Climatic class
2
Allowable relative
humidity
Yearly mean:
30 days /year:
other days:
75 %
95 %
85 %