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ba55304e06

05/2017

Technical data

LR 325/001

Outside electrodes, hose 
nozzles

Stainless steel 1.4571

Cable

PUR

Seals

NBR

Connection cable

Length

1.5 m

Diameter

6 mm

Smallest allowed 
bend radius

fixed installation:

50 mm

flexible use:

80 mm

Plug type

Socket, 8 pins

Pressure

resistance

Sensor with connection 
cable

IP 68 (2 x 10

5

Pa or 2 bar)

Cable plug

IP 67 (when plugged in)

The LR 325/001 meets the requirements according to article 3(3) of the 97/
23/EC directive ("Pressure equipment directive").

Measurement

conditions

Conductivity measuring 
range

0.0001 

μ

S/cm ... 30 

μ

S/cm

The measuring range may be limited by the 
meter that is used (see measuring range of 
your meter).

Temperature range

-5 ... 80 °C (100 °C) / 23 ... 176 °F (212 °F)

Max. allowed overpressure

2 x 10

5

Pa (2 bar)

Minimum immersion depth 
in immersion cell operation

40 mm

Maximum immersion depth
(at temperature)

Total cable (up to 80 °C / 176 °F)
Sensor shaft only = 120 mm (up to 100 °C / 
212 °F)

Operating position

Immersion cell:

Any

Flow-through cell: Vertical or inclined by up 

to approx. 60°, inlet 
pointing downward

Storage conditions

Recommended storing 
method

in air

Storage temperature

0 ... 50 °C (32 ... 122 °F)

Characteristic data

on delivery

Temperature responding 
behavior

t

99

 (99 % of the final value display after) 

< 100 s

Precision of the temperature 
sensor

± 0.2 K

Summary of Contents for LR 325/001

Page 1: ...OPERATING MANUAL ba55304e06 05 2017 Flow through cell Immersion cell LR 325 001 ULTRAPURE WATER CONDUCTIVITY MEASURING CELL...

Page 2: ...ba55304e06 05 2017 LR 325 001 2017 Xylem Analytics Germany GmbH Printed in Germany...

Page 3: ...05 2017 3 1 Overview 4 1 1 Structure and function 4 1 2 Recommended fields of application 4 2 Installation 5 2 1 Changing between flow through cell and immersion cell 5 2 2 Use as flow through cell 5...

Page 4: ...cation Measurements in ultrapure water in flow through or immersion operation depending on the mounted outside electrode 1 Connection head 2 Shaft with inside electrode and temperature sensor 3 Outsid...

Page 5: ...hout using any tools When mounting the electrode tighten the screw connection by hand as far as it will go 2 2 Use as flow through cell To avoid the collection of air bubbles in the electrode area the...

Page 6: ...Immerse in acetic acid for 5 minutes volume share 10 Fat oil Clean with warm water that contains washing up liquid Error symptom Cause Remedy No temperature or conductivity display Connection meter co...

Page 7: ...25 C 77 F Dimensions in mm Weight with connection cable Immersion cell 277 g Flow through cell 487 g Materials Shaft Stainless steel 1 4571 Connection head with cable gland POM Inside electrode tempe...

Page 8: ...0 0001 S cm 30 S cm The measuring range may be limited by the meter that is used see measuring range of your meter Temperature range 5 80 C 100 C 23 176 F 212 F Max allowed overpressure 2 x 105 Pa 2...

Page 9: ...LR 325 001 Technical data ba55304e06 05 2017 9 Pin assignment 4 2 5 3 NTC NTC Shield not used Plug from the front 4 5 7 3 8 2 6 1 4 2 5 3 8 6 1 7 NTC 30 k Outer electrode Inner electrode...

Page 10: ...10 ba55304e06 05 2017 Technical data LR 325 001...

Page 11: ......

Page 12: ...buildings factories and farms In more than 150 countries we have strong long standing relationships with customers who know us for our powerful combination of leading product brands and applications...

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