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13 Appendix
13.1 Technical Data (Toroidal)
13.1.1 Technical Data with CLS 50
General Specifications Manufacturer Endress+Hauser
Equipment designation CLS 50
Measuring range 5 µS/cm to 2000 mS/cm
Cell constant Approx. 2 cm
-1
Storage temperature 4 to 176°F (20 to +80°C)
Protection type (DIN 40050) NEMA 4X / IP 65
Deviation of measured value at 68 to 212°F (20 to100°C) ± (5 µS/cm +0.5%) of measured value
Deviation of measured value > 212°F (100°C) ± (10 µS/cm +0.5%) of measured value
Continuous Operating Instrument version xxx1 4 to +266°F (20 to +130°C)
Temperature Instrument version AxB5 4 to +356°F (20 to +180°C)
Pressure Resistance Instrument version xxAx 232 psi (16 bar) across entire
temperature range
Instrument version x3xx 232 psi (16 bar) across entire
temperature range
Instrument version x1Bx or x2Bx 290 psi (20 bar) across entire
temperature range
Temperature Temperature sensor Pt 100, Class A acc. to DIN IEC 751
Measurement Temperature response time T
90 90% of max. temp. value: 10-15 min.
(according to DIN 746-1)
Measuring Cell Material PFA Version with G 3/4 Connection and ANSI 2” (DN 50) Flange
Material in contact with medium PFA (Sensor), PTFE (sealing washer for
ANSI 2 (DN 50) flange), fluorelastomer
(flat gasket)
PEEK Version
Material in contact with medium PEEK (sensor), Viton (flat gasket)
Installation Required pipe diameter > ANSI 3 (DN 80) (Adaptation factor
adjustment required for pipe diameters
< DN 110)
Installation in reduced pipe
> ANSI 2 (DN 50)
Technical data subject to change without prior notice
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