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Rosemount
Rosemount Model 228 Conductivity Sensor
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Parámetros clave
Measuring range
Toroidal conductivity up to 2 S/cm (2,000,000 µS/cm) in highly conductive / dirty / corrosive solutions
Accuracy
Nominal cell constant 2.7/cm (PDS lists ~3/cm); field calibration required; wall-effect clearance ≥1 in from metal walls
Process connection
⅝-11 UNC (EPDM gasket; requires adapter) or ¾ in MNPT
Wetted parts
Glass-filled PEEK, glass-filled Tefzel®, or unfilled Tefzel body options
Sensor type
Toroidal (inductive) insertion/submersion conductivity sensor with integral PT-100 RTD
Notes
Specs from Emerson Rosemount 228 PDS 00813-0100-3228 Rev AD + QSG 00825-0100-3228.
| Parámetro | Valor |
|---|---|
| Measuring range | Toroidal conductivity up to 2 S/cm (2,000,000 µS/cm) in highly conductive / dirty / corrosive solutions |
| Accuracy | Nominal cell constant 2.7/cm (PDS lists ~3/cm); field calibration required; wall-effect clearance ≥1 in from metal walls |
| Process connection | ⅝-11 UNC (EPDM gasket; requires adapter) or ¾ in MNPT |
| Wetted parts | Glass-filled PEEK, glass-filled Tefzel®, or unfilled Tefzel body options |
| Sensor type | Toroidal (inductive) insertion/submersion conductivity sensor with integral PT-100 RTD |
| Notes | Specs from Emerson Rosemount 228 PDS 00813-0100-3228 Rev AD + QSG 00825-0100-3228. |
| Process Temperature | Standard up to 120 °C (248 °F); high-temp PEEK option up to 200 °C (392 °F) |
| Process Pressure | Up to 295 psig (21.4 bar) on high-temperature option |
| Cable | Integral cable options 10–100 ft; unshielded (54) or shielded EMI/RFI (56); 20 ft (6.1 m) common |
| Special Features | Reinforced internal metal frame for vibration; optional retraction assembly for hot insertion/removal |
| Compatible Transmitters | Recommended with 1056 / 1066-T / 56 / 5081 (shielded cable); also 1054/2054 with unshielded |