Xylem IQ SensorNet FDO 70x IQ (SW) - Manual (Page 35)

FDO
®
70x IQ (SW) Technical data
7 - 1 ba76014e01 02/2012
7 Technical data
7.1 General measurement characteristics
Note
The measurement characteristics are primarily determined by the sen-
sor cap type. The relevant data are given in the sections 7.5 and 7.6.
Measuring principle Optical measurement based on photoluminescence.
Measurement in water According to solubility function according to ISO 5814
Measurement in salt-
contaminated
wastewater
Salinity input from 2.0 ... 70.0;
corresponds to 3.4 mS/cm ... 86.2 mS/cm at T
REF
20 °C
(salinity measurement according to IOT = International Oceanographic
Tables)
Temperature
measurement
Temperature
compensation
In the range -5 °C ... + 50 °C (23 ... 122 °F)
7.2 Application conditions
Pressure resistance Sensor with connected SACIQ (SW) sensor connection cable:
The sensor meets all requirements according to article 3(3) of 97/23/
EC ("pressure equipment directive").
Type of protection Sensor with connected SACIQ (SW) sensor connection cable:
IP 68, 10 bar (10
6
Pa)
Immersion depth Min. 10 cm; max. 100 m depth
Operating position Any
Temperature sensor Integrated NTC
Measuring range - 5 °C ... + 50 °C (23 ... 122 °F)
Accuracy ± 0.5 K
Resolution 0.1 K
Max. allowed overpressure 10
6
Pa (10 bar)