Liquisys M CLM223/253

Endress+Hauser

9

Sensor connection

You require shielded special measuring cables to connect conductivity sensors to the transmitter. Use

a junction box and an extension cable to extend the measuring cable (see Accessories).

A0024755

 3

Connection of conductive sensors

RD

WH

CLK 5

J

83

16

15

84

11

12

13

GN WH YE

BU RD RD BU

S

A0024754

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Connection of inductive sensors

Performance characteristics

Reference operating

conditions

Reference temperature:

25 ˚C (77 ˚F)

Measured value resolution

Conductivity

Depends on measured value; 0.001 μS/cm up to a

measured value of 1.999 μS/cm and k ≤ 0.5 cm-1

Temperature

0.1 °C

Maximum measured error

Display

Conductivity

Max. 0.5 % of measured value ± 4 digits

Resistance

Max. 0.5 % of measured value ± 4 digits

Temperature

Max. 1.0 % of measuring range

Signal output

Conductivity

Max. 0.75 % of current output range

Resistance

Max. 0.75 % of current output range

Temperature

Max. 1.25 % of measuring range

Measured errors in accordance with DIN IEC 746 Part 1, at rated operating conditions

Repeatability

Max. 0.2% of measured value ± 2 digits

Temperature compensation

Range

-35 to +250 °C (-30 to 480 °F)

Types of compensation

Uncompensated, linear, NaCl, table

Conductive only: ultrapure water NaCl, ultrapure water HCl

Offset

Temperature

±5 °C for adjusting the temperature display