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easySense pH/ORP and Oxygen Sensors

easySense pH/ORP and Oxygen Sensors
Top Performance Meets Convenienc

easySense pH 31, 32, 33, 34

easySense ORP 41

easySense O2 21

Your benefits

Long sensor lifetime
Leads to lower replacement costs – even under harsh process conditions.

Reliable design
METTLER TOLEDO technology for use in basic applications.

No need for pH buffers at startup
Pre-calibrated sensors do not require a first on-site calibration.

Selected specifications of easySense pH / ORP and oxygen sensors

 

31

32

33

34

41

21

Parameter

pH

pH

pH

pH

ORP

Oxygen

Measurement range

0 … 14

0 … 14

0 … 14

0 … 14

± 1500 mV

0.03 ppm –
100 % saturation

Temperature

–5…80 °C

23…176 °F

–5…80 °C

23…176 °F

–5…80 °C

23…176 °F

–5…80 °C

23…176 °F

–5…80 °C

23…176 °F

0…60 °C

32…140 °F

Pressure resistance

0…2 barg

0…29 psig

0…2 barg

0…29 psig

0…2 barg

0…29 psig

0…2 barg

0…29 psig

0…2 barg

0…29 psig

0.5…2 barg

7…29 psig

Pressure resistance

0…40 °C / 32…104 °F

0…6 bar

0…87 psig

-

-

-

0…6 bar

0…87 psig

-

Reference system

Argenthal

(Ag / AgCl)

Argenthal

(Ag / AgCl)

Argenthal

(Ag / AgCl)

Argenthal

(Ag / AgCl)

Argenthal

(Ag / AgCl)

-

Reference electrolyte

gel

pressurized gel

pressurized gel

pressurized gel

polymer

-

Diaphragm

1 ceramic

1 ceramic

1 ceramic

1 ceramic

open junction

-

Membrane glass

HA

HA

HF

LoT

– (Platinum ring) –

-

Application

general purpose

harsh processes

HF resistant

low temperature

general purpose

general purpose

Plug head

K8S, Pg 13.5

K8S, Pg 13.5

K8S, Pg 13.5

K8S, Pg 13.5

K8S, Pg 13.5

K8S, Pg 13.5