Stratos Pro A221N Multiparameter Transmitter | Memosens/Analog Sensors | Profibus
Product number:
A221N
Description
Stratos Pro A221N Multiparameter Transmitter | Memosens/Analog Sensors | Profibus
2-wire analyzer (PROFIBUS DP/PA)
- Digital communication: PROFIBUS-PA
- Intuitive operation with color-coded user guidance
- IP 66/67, NEMA 4X protection
- Automatic sensor identification
- Sensor diagnostic with wear indication, remaining lifetime, CIP/SIP counter and adaptive calibration timer
- High-contrast widescreen display with colored backlighting
- Protective pane made of safety glass
- One analog input (4 ... 20 mA) e.g. for external pressure compensation
- Two parameter sets
- Two digital inputs:
- External HOLD activation
- External switching between parameter set
- Logbook (200 entries)
Outstanding properties
A number of outstanding technological properties make the Stratos Pro series the new benchmark for 2-wire analyzers. Colored screen backlighting has been implemented for the first time in this device class, with the lowest possible power consumption.
A number of outstanding technological properties make the Stratos Pro series the new benchmark for 2-wire analyzers. Colored screen backlighting has been implemented for the first time in this device class, with the lowest possible power consumption.
Wide Range of Functions
2 digital inputs are provided, as well as an analog input plus a second current output for another measured value.
2 digital inputs are provided, as well as an analog input plus a second current output for another measured value.
We look forward to hearing from you!
Contact Us
| 2- or 4-wire: | 2-wire |
|---|---|
| Channels: | 1 channel |
| Communication (Output, Digital): | PROFIBUS |
| Display: | LC display with colored backlighting |
| Measurement Parameter: | pH, Multiparameter, pH/ORP, ORP , Oxygen, Conductivity |
| Sensor Connection: | Memosens | Analog |
| permanently installed / portable: | permanently installed |
| Current outputs: | no mA output |
| Explosion protection: | No |
| Enclosure: | Molded enclosure, PBT/PC, glass-reinforced |
| Product Line: | Stratos, Stratos Pro |
Downloads
Manuals
Data Sheets
Certificates
Safety guides
Software
Our service
Used in Process or Applications
Related Products
Skip product gallery
Stratos Eco 2405 COND Conductivity Transmitter | Analog Sensors | Ex FM Cl 1 Div 2 | 4-Wire
Product number:
2405 Cond
Stratos Eco 2405 CONDI Inductive Conductivity Transmitter | Analog Sensors | Ex FM Cl 1 Div 2 | 4-Wire
Product number:
2405 CondI
Stratos Eco 2405 OXY Oxygen Transmitter | Analog Sensors | Ex FM Cl 1 Div 2 | 4-Wire
Product number:
2405 Oxy
Stratos Pro A201 CC Dual Conductivity Transmitter | Analog Sensors | HART | 2x 4 ... 20 mA Outputs
Product number:
A201N-CC-1
Stratos Pro A201 CC Dual Conductivity Transmitter | Analog Sensors | HART | 4 ... 20 mA Output
Product number:
A201N-CC-0
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 COND Conductivity Transmitter | Analog Sensors | Ex Zone 0/1 | HART | 4 ... 20 mA Output
Product number:
A201X-COND-0
Stratos Pro A201 COND Conductivity Transmitter | Analog Sensors | Ex Zone 2 | HART | 2x 4 ... 20 mA Outputs
Product number:
A201B-COND-1
Stratos Pro A201 COND Conductivity Transmitter | Analog Sensors | Ex Zone 2 | HART | 4 ... 20 mA Output
Product number:
A201B-COND-0
Stratos Pro A201 COND Conductivity Transmitter | Analog Sensors | HART | 2x 4 ... 20 mA Outputs
Product number:
A201N-COND-1
Stratos Pro A201 COND Conductivity Transmitter | Analog Sensors | HART | 4 ... 20 mA Output
Product number:
A201N-COND-0
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 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 | HART | 2x 4 ... 20 mA Outputs
Product number:
A201N-CONDI-1
Stratos Pro A201 CONDI Inductive Conductivity Transmitter | Analog Sensors | HART | 4 ... 20 mA Output
Product number:
A201N-CONDI-0
Stratos Pro A201 MSCOND Conductivity Transmitter | Memosens Sensors | Ex Zone 0/1 | HART | 2x 4 ... 20 mA Outputs
Product number:
A201X-MSCOND-1
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 MSCOND Conductivity Transmitter | Memosens Sensors | Ex Zone 2 | HART | 2x 4 ... 20 mA Outputs
Product number:
A201B-MSCOND-1
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 | HART | 2x 4 ... 20 mA Outputs
Product number:
A201N-MSCOND-1
Stratos Pro A201 MSCOND Conductivity Transmitter | Memosens Sensors | HART | 4 ... 20 mA Output
Product number:
A201N-MSCOND-0
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
Product number:
A201X-MSCONDI-0
Relevant Blog Posts
Mar 2025
Process Analytics
SE605H Conductivity Sensor with CondCheck
The SE605H conductivity sensor with CondCheck enables USP 645 verification without interrupting the measuring chain.
Jul 2024
Process Analytics
ACHEMA 2024 - Review and Impressions
A brief cinematic retrospective of our trade fair booth, Knick’s international team, and a successful booth party.
Feb 2024
Process Analytics
Uniclean 700 Series - Modular control system for automated sensor cleaning
With the Uniclean 700 series, Knick is introducing a modular control system, that can be installed very quickly and cost-effectively as a flexible entry-level solution for automated sensor cleaning.
Dec 2023
Company
|Interface Technology
|Process Analytics
Knick Austria - direct customer contact in Austria from 2024
Reorganization of sales in Austria and new contacts in the field of process analytics and interface technology
Apr 2023
Process Analytics
Robust WA111 Retractable Fitting Made of Plastic for Highly Corrosive Operating Conditions
The plastic WA111 retractable fitting is a robust and cost-effective solution for corrosive processes and environments. It is equipped with a secure lock function and multiple nozzles for thorough sensor cleaning.