wtw SensoLyt ORP 900-P, Operating Manual

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SensoLyt
®
ORP 900-P Cleaning
7 ba75993d03 06/2017
5 Cleaning
Cleaning
procedures
6 Technical data
Contamination Cleaning
Gross contamination on the junction Carefully brush off contamination
under running water using a soft
toothbrush
Fats, oils, protein-containing sedi-
ments and similar substances Remove with household washing-
up liquid
Shaft dimensions,
material
Shaft length 120 mm
Shaft diameter 12 mm
Shaft material Glass
IDS plug  Synthetic materials: Glass fiber reinforced
Noryl, TPU, TPC-ET, POM, PVC, PEEK,
PBT
 O-ring: FPM
 Contacts gold-plated
General data ORP electrode Platinum ring
Reference electrolyte Polymer electrolyte
Junction 2-hole junction
Shunt conduction element Ag/AgCl
Temperature sensor Integrated NTC 30 (30 k

at 25 °C / 77 °F)
Measurement and
application
characteristics
ORP measuring range -1250.0 ... +1250.0 mV
Minimum immersion depth 25 mm
Allowed temperature range 0 ... 60 °C (32 ... 140 °F)
Precision of the temperature
sensor ± 0.2 K
Response time t
99
of the
temperature sensor
< 130 s
Allowed pH range of the
measuring medium 4 ... 12
Typical application Field