Type 8232

6 | 17

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Sensor model

Free chlorine sensor

“Trace” (zero-chlorine)

Free chlorine sensor

with 3  electrodes

Free chlorine sensor

with 2  electrodes

Total chlorine sensor

with 3  electrodes

Output

Voltage (4-wire):

• Analog signal

• 0…2000 mV (max.

2500 mV)

• Galvanically insu-

lated, that means

potential-free

• Output resistance:

1 kΩ

Current (2-wire):

• Analog signal

• 4…20 mA (uncalibrat-

ed, at pH 7.2 nominal

slope 0.8 mA/ppm)

• Not galvanically

insulated4.)

• Max. loop impedance

(valid with Type 8619

multiCELL3.)): 50 Ω

at 12 V DC, 900 Ω at

30 V DC

Current (2-wire):

• Analog signal

• 4…20 mA (uncalibrat-

ed, at pH 7.2 nominal

slope 0.8 mA/ppm)

• Not galvanically

insulated4.)

• Max. loop impedance

(valid with Type 8619

multiCELL3.)): 50 Ω

at 12 V DC, 900 Ω at

30 V DC

Current (2-wire):

• Analog signal

• 4…20 mA (uncalibrat-

ed, at pH 7.2 nominal

slope 3.2 mA/ppm for

variant 0.05…5 ppm

or 0.8 mA/

ppm for variant

0.05…20 ppm)

• Not galvanically

insulated4.)

• Max. loop impedance

(valid with Type 8619

multiCELL-): 50 Ω at

12 V DC, 900 Ω at

30 V DC

Medium data

Fluid

Water with similar char-

acteristics to drinking

water

• Drinking water, swim-

ming pool water, sea

water

• Surfactants are par-

tially tolerated

• Swimming pool

water, drinking water,

service water, pro-

cess water

• Free of any sur-

factants

• With constant pH

value

• Drinking water, swim-

ming pool water, sea

water, brine (15 %

NaCl)

• Surfactants are par-

tially tolerated

Fluid flow rate

15…30 l/h mounted

in analytical measure-

ment chamber 8200,

the measuring value

depends on the flow rate

(ensure constant flow

rate)

15…30 l/h mounted

in analytical measure-

ment chamber 8200,

the measuring value

depends on the flow rate

(ensure constant flow

rate)

Detailed information

can be found in chapter

“Slope versus flow

rate” on page 11.

15…30 l/h mounted

in analytical measure-

ment chamber 8200,

the measuring value

depends on the flow rate

(ensure constant flow

rate)

Detailed information

can be found in chapter

“Slope versus flow

rate” on page 12.

15…30 l/h mounted

in analytical measure-

ment chamber 8200,

the measuring value

depends on the flow rate

(ensure constant flow

rate)

Detailed information

can be found in chapter

“Slope versus flow

rate” on page 13.

Fluid pH range

pH 6.5…pH 9

Detailed information

can be found in chapter

“Slope versus pH” on

page 10.

pH 4…pH 9

Detailed information

can be found in chapter

“Slope versus pH” on

page 11.

pH 6…pH 8 (attention to

the dissociation equili-

brum HOCl, pH has to

be constant)

Detailed information

can be found in chapter

“Slope versus pH” on

page 12.

pH 4…pH 12, reduced

dependence on pH value

Detailed information

can be found in chapter

“Slope versus pH” on

page 13.

Fluid conductivity

–

10 μS/cm…50 mS/cm

(sea water)

–

10 μS/cm…200 mS/cm

(brine water)

Fluid temperature

0…+ 40 °C

(+ 32…+ 104 °F)

0…+ 45 °C

(+ 32…+ 113 °F)

0…+ 45 °C

(+ 32…+ 113 °F)

0…+ 45 °C

(+ 32…+ 113 °F)

No ice crystals in the measuring water. If the temperature ranges given for the holder and the used sensor are different, use the

most restrictive range.