3
Section 1
Technical data
1.1 Technical data for the 3798-S sc conductivity sensor
Specifications are subject to change without notice.
Materials
Stainless steel metal housing, PEEK
Enclosure rating
IP 68; stainless steel metal housing
Storage temperature
Sensor and controller
–20 °C ... 60 °C; 95 % relative humidity, non-condensing
Cell constant
K = 2.35 cm
–1
Measuring range conductivity
250
µS
/
cm
... 1.5
S
/
cm
Temp. measuring range
–5 °C ... 50 °C
Sensor operating temperature
–20 °C ... 50 °C
Conductivity response time
< 2 s; T90
Temp. response time
< 2 min; T90
Conductivity measuring accuracy
± 3% of the measured value at 25 °C (77 °F)
Temp. measuring accuracy
± 0.2 °C
Reproducibility
< 0.2 %
Sensitivity
± 0.5 % of the end value of the measuring range
Sensor power
< 7 W
Calibration
Zero value calibration in air.
Fixed value calibration with defined resistance or with standard solution
Max. immersion depth / pressure
for the sensor
20 m / 2 bar
Maximum flow speed
4 m/s
Sensor interface
MODBUS
Sensor cable
10 m, hard wired, polyurethane
Sensor weight
< 1 kg
Sensor dimensions (Ø × L)
43 × 370 mm
Fastening
• Immersed pipe
• Chain
Summary of Contents for 3798-S sc
Page 1: ...DOC023 52 03252 3798 S sc Digital inductive conductivity sensor User Manual 08 2022 Edition 3...
Page 2: ......
Page 4: ...2 Table of contents...
Page 6: ...4 Technical data...
Page 12: ...10 General safety instructions...
Page 16: ...14 Installation...
Page 22: ...20 Maintenance...
Page 26: ...24 Spare parts...
Page 28: ...26 Warranty and liability...
Page 31: ......
