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Rosemount™ 499ATrDO Trace Dissolved Oxygen Sensor

Rosemount™ 499ATrDO Trace Dissolved Oxygen Sensor

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Product Description

The Rosemount 499ATrDO Trace Dissolved Oxygen (DO) Sensor is a membrane-covered amperometric sensor for the continuous determination of ppb-level dissolved oxygen in water. This dissolved oxygen sensor is ideal for applications with steam condensate and boiler feedwater.

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Specifications

Download Full Specs

Accuracy: <20 ppb ±1 ppb
>20 ppb ±5% of reading Drift: <4% over 60 days

Temperature Range: 32 to 122 °F (0 to 50 °C)

Measurement Range: 0.1 ppb to 20 ppm

Pressure Range: 0 to 65 psig (101 to 549 kPa abs)

Materials of Construction: Wetted Materials: Noryl™, Viton™, Teflon (TFE) and silicone

Features

Download Case Study

High accuracy of ±1.0 ppb when measuring concentrations below 20 ppb
Rapid stabilization following calibration or maintenance
Easily replaceable membrane with no special tools required
Automatic compensation for changes in membrane permeability
Variopol (VP) connector options allows the sensor to be replaced without running new cable

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23502-04

Rosemount™ Membrane Assembly with O-ring, TrDO, Quantity-3

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Rosemount™ Membrane Retainer

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23747-08

Rosemount™ Cable, VP 6, conductivity/amperometric, 20' (6.1 m)

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Rosemount™ Cable, VP 6, conductivity/amperometric, 25' (7.6 m)

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Rosemount™ Cable, VP 6, conductivity/amperometric, 30' (9.1 m)

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