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Stratos: Comprehensive Transmitters for pH, ORP, Conductivity and Oxygen Measurement

Stratos is a comprehensive family of transmitters for measuring pH, ORP, conductivity and oxygen. The process analyzers are available in 2- and 4-wire versions, with BUS communication and explosion protection. Stratos transmitters can be combined with almost all commercially available sensors for liquid analysis.

Key features include:

  • Rugged plastic housing for outdoor use.
  • Color backlit display for status diagnostics.
  • Easy-to-use, icon-based operation.
  • Available for analog and digital Memosens sensors.
  • Large terminal compartment for easy installation.

The Stratos family consists of:

  • Stratos Multi: Versatile multi-parameter transmitter for pH, ORP, conductivity and oxygen measurement with Memosens, digital and analog sensors, suitable for hazardous areas and secure digital connection of PCS, devices and sensors via EtherNet/IP and PROFINET.
  • Stratos Pro: Advanced 2-wire transmitter for pH, ORP, conductivity or oxygen measurement with digital Memosens and analog sensor, suitable for hazardous areas and digital communication.
  • Stratos Evo: Flexible 4-wire process analyzer for pH, ORP, conductivity or oxygen measurement with digital Memosens and analog sensor and digital communication.
  • Stratos MS: Purely digital 4-wire transmitter that can be configured to measure pH, ORP, conductivity or oxygen with digital Memosens sensors.
  • Stratos Eco: Affordable 4-wire transmitter offering reliable measurements of pH, ORP, conductivity or oxygen with analog sensors.

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Stratos Pro A201 PH pH/ORP Transmitter | Analog Sensors | HART | 4 ... 20 mA Output
Stratos Pro A201 PH pH/ORP Transmitter | Analog Sensors | HART | 4 ... 20 mA Output
Product number:

A201N-PH-0

Stratos Evo A402N Multiparameter Transmitter | Memosens/Analog Sensors | HART | 4-Wire
Stratos Evo A402N Multiparameter Transmitter | Memosens/Analog Sensors | HART | 4-Wire
Product number:

A402N

Stratos Multi E401N Multiparameter Transmitter | Memosens/Analog Sensors | 2-Channel | HART | 2x 4…20 mA Outputs
Stratos Multi E401N Multiparameter Transmitter | Memosens/Analog Sensors | 2-Channel | HART | 2x 4…20 mA Outputs
Product number:

E401N.030

Stratos Eco 2405 pH pH/ORP Transmitter | Analog Sensors | Ex FM Cl 1 Div 2 | 4-Wire
Stratos Eco 2405 pH pH/ORP Transmitter | Analog Sensors | Ex FM Cl 1 Div 2 | 4-Wire
Product number:

2405 pH

Stratos Multi E401N Multiparameter Transmitter | Memosens/Analog Sensors | 2-Channel | 4x 4…20 mA Outputs
Stratos Multi E401N Multiparameter Transmitter | Memosens/Analog Sensors | 2-Channel | 4x 4…20 mA Outputs
Product number:

E401N.020

Stratos Pro A201 MSPH pH/ORP Transmitter | Memosens Sensors | HART | 4 ... 20 mA Output
Stratos Pro A201 MSPH pH/ORP Transmitter | Memosens Sensors | HART | 4 ... 20 mA Output
Product number:

A201N-MSPH-0

Stratos Multi E401X Multiparameter Transmitter | Memosens/Analog Sensors | Ex | 2-Channel | 4x 4…20 mA Outputs
Stratos Multi E401X Multiparameter Transmitter | Memosens/Analog Sensors | Ex | 2-Channel | 4x 4…20 mA Outputs
Product number:

E401X.020

Stratos Pro A201 COND Conductivity Transmitter | Analog Sensors | HART | 4 ... 20 mA Output
Stratos Pro A201 COND Conductivity Transmitter | Analog Sensors | HART | 4 ... 20 mA Output
Product number:

A201N-COND-0

Stratos Multi E401N Multiparameter Transmitter | Memosens/Analog Sensors | 1-Channel | 2x 4…20 mA Outputs
Stratos Multi E401N Multiparameter Transmitter | Memosens/Analog Sensors | 1-Channel | 2x 4…20 mA Outputs
Product number:

E401N

Stratos Multi E401X Multiparameter Transmitter | Memosens/Analog Sensors | Ex | 1-Channel | HART | 2x 4…20 mA Outputs
Stratos Multi E401X Multiparameter Transmitter | Memosens/Analog Sensors | Ex | 1-Channel | HART | 2x 4…20 mA Outputs
Product number:

E401X.010

Stratos Pro A201 MSPH pH/ORP Transmitter | Memosens Sensors | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 MSPH pH/ORP Transmitter | Memosens Sensors | HART | 2x 4 ... 20 mA Outputs
Product number:

A201N-MSPH-1

Stratos Pro A201 CONDI Inductive Conductivity Transmitter | Analog Sensors | HART | 4 ... 20 mA Output
Stratos Pro A201 CONDI Inductive Conductivity Transmitter | Analog Sensors | HART | 4 ... 20 mA Output
Product number:

A201N-CONDI-0

Stratos Pro A221X Multiparameter Transmitter | Memosens/Analog Sensors | Ex Zone 0/1 | Profibus
Stratos Pro A221X Multiparameter Transmitter | Memosens/Analog Sensors | Ex Zone 0/1 | Profibus
Product number:

A221X

Stratos Pro A201 PH pH/ORP Transmitter | Analog Sensors | Ex Zone 2 | HART | 4 ... 20 mA Output
Stratos Pro A201 PH pH/ORP Transmitter | Analog Sensors | Ex Zone 2 | HART | 4 ... 20 mA Output
Product number:

A201B-PH-0

Stratos Pro A201 COND Conductivity Transmitter | Analog Sensors | Ex Zone 0/1 | HART | 4 ... 20 mA Output
Stratos Pro A201 COND Conductivity Transmitter | Analog Sensors | Ex Zone 0/1 | HART | 4 ... 20 mA Output
Product number:

A201X-COND-0

Stratos MS A405N Multiparameter Transmitter | Memosens Sensors | 4-Wire
Stratos MS A405N Multiparameter Transmitter | Memosens Sensors | 4-Wire
Product number:

A405N

Stratos Pro A201 MSCOND Conductivity Transmitter | Memosens Sensors | Ex Zone 0/1 | HART | 4 ... 20 mA Output
Stratos Pro A201 MSCOND Conductivity Transmitter | Memosens Sensors | Ex Zone 0/1 | HART | 4 ... 20 mA Output
Product number:

A201X-MSCOND-0

Stratos Pro A201 MSPH pH/ORP Transmitter | Memosens Sensors | Ex Zone 2 | HART | 4 ... 20 mA Output
Stratos Pro A201 MSPH pH/ORP Transmitter | Memosens Sensors | Ex Zone 2 | HART | 4 ... 20 mA Output
Product number:

A201B-MSPH-0

Stratos Multi E401X Multiparameter Transmitter | Memosens/Analog Sensors | Ex | 1-Channel | 2x 4…20 mA Outputs
Stratos Multi E401X Multiparameter Transmitter | Memosens/Analog Sensors | Ex | 1-Channel | 2x 4…20 mA Outputs
Product number:

E401X

Stratos Multi E461N Multiparameter Transmitter | Memosens/Analog Sensors | 2-Channel | PROFINET | 2x 4…20 mA Outputs
Stratos Multi E461N Multiparameter Transmitter | Memosens/Analog Sensors | 2-Channel | PROFINET | 2x 4…20 mA Outputs
Product number:

E461N.010

Stratos Pro A221N Multiparameter Transmitter | Memosens/Analog Sensors | Profibus
Stratos Pro A221N Multiparameter Transmitter | Memosens/Analog Sensors | Profibus
Product number:

A221N

Stratos Pro A231N Multiparameter Transmitter | Memosens/Analog Sensors | Foundation Fieldbus
Stratos Pro A231N Multiparameter Transmitter | Memosens/Analog Sensors | Foundation Fieldbus
Product number:

A231N

Stratos Pro A201 OXY Oxygen Transmitter | Analog Sensors | Ex Zone 0/1 | HART | 4 ... 20 mA Output
Stratos Pro A201 OXY Oxygen Transmitter | Analog Sensors | Ex Zone 0/1 | HART | 4 ... 20 mA Output
Product number:

A201X-OXY-0

Stratos Pro A201 OXY Oxygen Transmitter | Analog Sensors | Ex Zone 2 | HART | 4 ... 20 mA Output
Stratos Pro A201 OXY Oxygen Transmitter | Analog Sensors | Ex Zone 2 | HART | 4 ... 20 mA Output
Product number:

A201B-OXY-0

Stratos Pro A201 MSCOND Conductivity Transmitter | Memosens Sensors | Ex Zone 0/1 | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 MSCOND Conductivity Transmitter | Memosens Sensors | Ex Zone 0/1 | HART | 2x 4 ... 20 mA Outputs
Product number:

A201X-MSCOND-1

Stratos Multi E471N Multiparameter Transmitter | Memosens/Analog Sensors | 1-Channel |EtherNet/IP | 2x 4…20 mA Outputs
Stratos Multi E471N Multiparameter Transmitter | Memosens/Analog Sensors | 1-Channel |EtherNet/IP | 2x 4…20 mA Outputs
Product number:

E471N

Stratos Pro A201 MSOXY Oxygen Transmitter | Memosens Sensors | Ex Zone 0/1 | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 MSOXY Oxygen Transmitter | Memosens Sensors | Ex Zone 0/1 | HART | 2x 4 ... 20 mA Outputs
Product number:

A201X-MSOXY-1

Stratos Pro A201 PH pH/ORP Transmitter | Analog Sensors | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 PH pH/ORP Transmitter | Analog Sensors | HART | 2x 4 ... 20 mA Outputs
Product number:

A201N-PH-1

Stratos Pro A201 OXY Oxygen Transmitter | Analog Sensors | HART | 4 ... 20 mA Output
Stratos Pro A201 OXY Oxygen Transmitter | Analog Sensors | HART | 4 ... 20 mA Output
Product number:

A201N-OXY-0

Stratos Pro A201 MSOXY Oxygen Transmitter | Memosens Sensors | Ex Zone 0/1 | HART | 4 ... 20 mA Output
Stratos Pro A201 MSOXY Oxygen Transmitter | Memosens Sensors | Ex Zone 0/1 | HART | 4 ... 20 mA Output
Product number:

A201X-MSOXY-0

Stratos Pro A201 MSOXY Oxygen Transmitter | Memosens Sensors | Ex Zone 2 | HART | 4 ... 20 mA Output
Stratos Pro A201 MSOXY Oxygen Transmitter | Memosens Sensors | Ex Zone 2 | HART | 4 ... 20 mA Output
Product number:

A201B-MSOXY-0

Stratos Pro A201 CONDI Inductive Conductivity Transmitter | Analog Sensors | Ex Zone 2 | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 CONDI Inductive Conductivity Transmitter | Analog Sensors | Ex Zone 2 | HART | 2x 4 ... 20 mA Outputs
Product number:

A201B-CONDI-1

Stratos Pro A201 CC Dual Conductivity Transmitter | Analog Sensors | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 CC Dual Conductivity Transmitter | Analog Sensors | HART | 2x 4 ... 20 mA Outputs
Product number:

A201N-CC-1

Stratos Eco 2405 COND Conductivity Transmitter | Analog Sensors | Ex FM Cl 1 Div 2 | 4-Wire
Stratos Eco 2405 COND Conductivity Transmitter | Analog Sensors | Ex FM Cl 1 Div 2 | 4-Wire
Product number:

2405 Cond

Stratos Pro A201 PH pH/ORP Transmitter | Analog Sensors | Ex Zone 0/1 | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 PH pH/ORP Transmitter | Analog Sensors | Ex Zone 0/1 | HART | 2x 4 ... 20 mA Outputs
Product number:

A201X-PH-1

Stratos Pro A201 MSOXY Oxygen Transmitter | Memosens Sensors | HART | 4 ... 20 mA Output
Stratos Pro A201 MSOXY Oxygen Transmitter | Memosens Sensors | HART | 4 ... 20 mA Output
Product number:

A201N-MSOXY-0

Stratos Pro A201 CONDI Inductive Conductivity Transmitter | Analog Sensors | Ex Zone 2 | HART | 4 ... 20 mA Output
Stratos Pro A201 CONDI Inductive Conductivity Transmitter | Analog Sensors | Ex Zone 2 | HART | 4 ... 20 mA Output
Product number:

A201B-CONDI-0

Stratos Pro A201 CONDI Inductive Conductivity Transmitter | Analog Sensors | Ex Zone 0/1 | HART | 4 ... 20 mA Output
Stratos Pro A201 CONDI Inductive Conductivity Transmitter | Analog Sensors | Ex Zone 0/1 | HART | 4 ... 20 mA Output
Product number:

A201X-CONDI-0

Stratos Pro A201 MSCONDI Inductive Conductivity Transmitter | Memosens Sensors | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 MSCONDI Inductive Conductivity Transmitter | Memosens Sensors | HART | 2x 4 ... 20 mA Outputs
Product number:

A201N-MSCONDI-1

Stratos Pro A201 MSCONDI Inductive Conductivity Transmitter | Memosens Sensors | Ex Zone 2 | HART | 4 ... 20 mA Output
Stratos Pro A201 MSCONDI Inductive Conductivity Transmitter | Memosens Sensors | Ex Zone 2 | HART | 4 ... 20 mA Output
Product number:

A201B-MSCONDI-0

Stratos Pro A201 MSPH pH/ORP Transmitter | Memosens Sensors | Ex Zone 0/1 | HART | 4 ... 20 mA Output
Stratos Pro A201 MSPH pH/ORP Transmitter | Memosens Sensors | Ex Zone 0/1 | HART | 4 ... 20 mA Output
Product number:

A201X-MSPH-0

Stratos Pro A201 OXY Oxygen Transmitter | Analog Sensors | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 OXY Oxygen Transmitter | Analog Sensors | HART | 2x 4 ... 20 mA Outputs
Product number:

A201N-OXY-1

Stratos Pro A201 COND Conductivity Transmitter | Analog Sensors | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 COND Conductivity Transmitter | Analog Sensors | HART | 2x 4 ... 20 mA Outputs
Product number:

A201N-COND-1

Stratos Pro A201 OXY Oxygen Transmitter | Analog Sensors | Ex Zone 0/1 | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 OXY Oxygen Transmitter | Analog Sensors | Ex Zone 0/1 | HART | 2x 4 ... 20 mA Outputs
Product number:

A201X-OXY-1

Stratos Pro A201 COND Conductivity Transmitter | Analog Sensors | Ex Zone 0/1 | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 COND Conductivity Transmitter | Analog Sensors | Ex Zone 0/1 | HART | 2x 4 ... 20 mA Outputs
Product number:

A201X-COND-1

Stratos Pro A201 MSCOND Conductivity Transmitter | Memosens Sensors | HART | 4 ... 20 mA Output
Stratos Pro A201 MSCOND Conductivity Transmitter | Memosens Sensors | HART | 4 ... 20 mA Output
Product number:

A201N-MSCOND-0

Stratos Pro A201 MSCOND Conductivity Transmitter | Memosens Sensors | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 MSCOND Conductivity Transmitter | Memosens Sensors | HART | 2x 4 ... 20 mA Outputs
Product number:

A201N-MSCOND-1

Stratos Pro A201 COND Conductivity Transmitter | Analog Sensors | Ex Zone 2 | HART | 4 ... 20 mA Output
Stratos Pro A201 COND Conductivity Transmitter | Analog Sensors | Ex Zone 2 | HART | 4 ... 20 mA Output
Product number:

A201B-COND-0

Stratos Pro A231X Multiparameter Transmitter | Memosens/Analog Sensors | Ex Zone 0/1 | Foundation Fieldbus
Stratos Pro A231X Multiparameter Transmitter | Memosens/Analog Sensors | Ex Zone 0/1 | Foundation Fieldbus
Product number:

A231X

Stratos Eco 2405 CONDI Inductive Conductivity Transmitter | Analog Sensors | Ex FM Cl 1 Div 2 | 4-Wire
Stratos Eco 2405 CONDI Inductive Conductivity Transmitter | Analog Sensors | Ex FM Cl 1 Div 2 | 4-Wire
Product number:

2405 CondI

Stratos Pro A201 CC Dual Conductivity Transmitter | Analog Sensors | HART | 4 ... 20 mA Output
Stratos Pro A201 CC Dual Conductivity Transmitter | Analog Sensors | HART | 4 ... 20 mA Output
Product number:

A201N-CC-0

Stratos Pro A201 CONDI Inductive Conductivity Transmitter | Analog Sensors | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 CONDI Inductive Conductivity Transmitter | Analog Sensors | HART | 2x 4 ... 20 mA Outputs
Product number:

A201N-CONDI-1

Stratos Pro A201 MSPH pH/ORP Transmitter | Memosens Sensors | Ex Zone 0/1 | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 MSPH pH/ORP Transmitter | Memosens Sensors | Ex Zone 0/1 | HART | 2x 4 ... 20 mA Outputs
Product number:

A201X-MSPH-1

Stratos Pro A201 COND Conductivity Transmitter | Analog Sensors | Ex Zone 2 | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 COND Conductivity Transmitter | Analog Sensors | Ex Zone 2 | HART | 2x 4 ... 20 mA Outputs
Product number:

A201B-COND-1

Stratos Multi E471N Multiparameter Transmitter | Memosens/Analog Sensors | 2-Channel |EtherNet/IP | 2x 4…20 mA Outputs
Stratos Multi E471N Multiparameter Transmitter | Memosens/Analog Sensors | 2-Channel |EtherNet/IP | 2x 4…20 mA Outputs
Product number:

E471N.010

Stratos Pro A201 PH pH/ORP Transmitter | Analog Sensors | Ex Zone 0/1 | HART | 4 ... 20 mA Output
Stratos Pro A201 PH pH/ORP Transmitter | Analog Sensors | Ex Zone 0/1 | HART | 4 ... 20 mA Output
Product number:

A201X-PH-0

Stratos Pro A201 MSPH pH/ORP Transmitter | Memosens Sensors | Ex Zone 2 | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 MSPH pH/ORP Transmitter | Memosens Sensors | Ex Zone 2 | HART | 2x 4 ... 20 mA Outputs
Product number:

A201B-MSPH-1

Stratos Pro A201 MSCONDI Inductive Conductivity Transmitter | Memosens Sensors | Ex Zone 0/1 | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 MSCONDI Inductive Conductivity Transmitter | Memosens Sensors | Ex Zone 0/1 | HART | 2x 4 ... 20 mA Outputs
Product number:

A201X-MSCONDI-1

Stratos Pro A201 MSCONDI Inductive Conductivity Transmitter | Memosens Sensors | Ex Zone 0/1 | HART | 4 ... 20 mA Output
Stratos Pro A201 MSCONDI Inductive Conductivity Transmitter | Memosens Sensors | Ex Zone 0/1 | HART | 4 ... 20 mA Output
Product number:

A201X-MSCONDI-0

Stratos Pro A201 CONDI Inductive Conductivity Transmitter | Analog Sensors | Ex Zone 0/1 | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 CONDI Inductive Conductivity Transmitter | Analog Sensors | Ex Zone 0/1 | HART | 2x 4 ... 20 mA Outputs
Product number:

A201X-CONDI-1

Stratos Eco 2405 OXY Oxygen Transmitter | Analog Sensors | Ex FM Cl 1 Div 2 | 4-Wire
Stratos Eco 2405 OXY Oxygen Transmitter | Analog Sensors | Ex FM Cl 1 Div 2 | 4-Wire
Product number:

2405 Oxy

Stratos Multi E461N Multiparameter Transmitter | Memosens/Analog Sensors | 1-Channel |PROFINET | 2x 4…20 mA Outputs
Stratos Multi E461N Multiparameter Transmitter | Memosens/Analog Sensors | 1-Channel |PROFINET | 2x 4…20 mA Outputs
Product number:

E461N

Stratos Pro A201 MSCOND Conductivity Transmitter | Memosens Sensors | Ex Zone 2 | HART | 4 ... 20 mA Output
Stratos Pro A201 MSCOND Conductivity Transmitter | Memosens Sensors | Ex Zone 2 | HART | 4 ... 20 mA Output
Product number:

A201B-MSCOND-0

Stratos Pro A201 MSCOND Conductivity Transmitter | Memosens Sensors | Ex Zone 2 | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 MSCOND Conductivity Transmitter | Memosens Sensors | Ex Zone 2 | HART | 2x 4 ... 20 mA Outputs
Product number:

A201B-MSCOND-1

Stratos Pro A201 PH pH/ORP Transmitter | Analog Sensors | Ex Zone 2 | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 PH pH/ORP Transmitter | Analog Sensors | Ex Zone 2 | HART | 2x 4 ... 20 mA Outputs
Product number:

A201B-PH-1

Stratos Multi E401N Multiparameter Transmitter | Memosens/Analog Sensors | 1-Channel | HART | 2x 4…20 mA Outputs
Stratos Multi E401N Multiparameter Transmitter | Memosens/Analog Sensors | 1-Channel | HART | 2x 4…20 mA Outputs
Product number:

E401N.010

Stratos Multi E401X Multiparameter Transmitter | Memosens/Analog Sensors | Ex | 2-Channel | HART | 2x 4…20 mA Outputs
Stratos Multi E401X Multiparameter Transmitter | Memosens/Analog Sensors | Ex | 2-Channel | HART | 2x 4…20 mA Outputs
Product number:

E401X.030

Stratos Pro A201 MSCONDI Inductive Conductivity Transmitter | Memosens Sensors | HART | 4 ... 20 mA Output
Stratos Pro A201 MSCONDI Inductive Conductivity Transmitter | Memosens Sensors | HART | 4 ... 20 mA Output
Product number:

A201N-MSCONDI-0

Stratos Pro A201 MSOXY Oxygen Transmitter | Memosens Sensors | Ex Zone 2 | HART | 2x 4 ... 20 mA Outputs
Stratos Pro A201 MSOXY Oxygen Transmitter | Memosens Sensors | Ex Zone 2 | HART | 2x 4 ... 20 mA Outputs
Product number:

A201B-MSOXY-1

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