2.5 Ordering information
The Model 5081 Two-Wire Transmitter is intended for the determination of pH/ORP,
conductivity (both contacting and toroidal), and for measurements using membrane-
covered amperometric sensors (oxygen, ozone, and chlorine). For free chlorine
measurements, which often require continuous pH correction, a second input for a pH
sensor is available. A hand-held infrared remote controller is required for local
configuration and calibration of the transmitter.
Model 5081 Smart Two-Wire Microprocessor Transmitter
Code Required selection
P pH/ORP
C Contacting conductivity
T Toroidal conductivity
A Amperometric (oxygen, ozone, and chlorine)
Code Required selection
HT Analog 4-20 mA output with superimposed HART digital signal
FF Foundation Fieldbus digital output
FI Foundation Fieldbus digital input with FISCO
Code Required selection
20 Infrared remote controller included
21 Infrared remote controller not included
Code Agency approvals
60 No approval
67 FM approved intrinsically safe, non-incendive (when used with ap-
propriate sensor and safety barrier), and explosion-proof
69 CSA approved intrinsically safe, non-incendive (when used with ap-
propriate sensor and safety barrier), and explosion-proof
73 ATEX/IECEx approved intriniscally safe (when used with appropriate
sensor and safety barrier
5081-P-HT-20-67 Example
Description and specifications
10 Rosemount 5081
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