Emerson Rosemount 499ADO, Quick Start Manual

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Sensor specifications
(continued)
Table 1-1:
Physical characteristics Specifications
Temperature (operating) 0 to 50 °C (32 to 122 °F)
Process connection 1 in. MNPT
Wetted parts Noryl
®
(1)
, Viton, EPDM, Teflon
®
(TFE)
(2)
, and silicone
Cathode Gold (not normally wetted)
Accuracy ±0.2 ppm at 77 °F (25 °C)
Repeatability ±0.05 ppm at 77 °F (25 °C)
Response time < 30 sec to 90% of final reading (0 to 2 ppm) at 25 °C (77 °F)
Electrolyte volume 25 mL (approx.)
Electrolyte life 4 to 6 months (approx.)
Cable length (standard integral cable) 25 ft (7.6 m)
Cable length (maximum) 300 ft (91 m)
Sample flow
Flow through 1 to 5 gpm (3.8 to 19 L/min)
Open channel 1 ft/sec (0.3 m/sec)
Low flow cell 2 to 5 gph (7.6 to 19 L/hr)
Agitation produced by bubbles in aeration basins usually
provides adequate flow.
Process connections 1 inch MNPT
Weight/shipping weight 1 lb/3 lb (0.5kg /1.5 kg)
(1) Noryl is a registered trademark of General Electric.
(2) Viton and Teflon are registered trademarks of E.I. duPoint de Nemours & Co.
Plan
2 Rosemount 499ADO