Related Manuals for Emerson Rosemount 499ATrDO
Summary of Contents for Emerson Rosemount 499ATrDO
- Page 1 Quick Start Guide 00825-0100-3493, Rev AB November 2019 ™ Rosemount 499ATrDO Trace Dissolved Oxygen Sensor...
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Page 2: Table Of Contents
Physical security is an important part of any security program and fundamental to protecting your system. Restrict physical access by unauthorized personnel to protect end users’ assets. This is true for all systems used within the facility. Contents First steps............................. 3 Install............................6 Wire............................. 8 Calibrate............................ 13 Maintenance..........................15 Accessories..........................18 Emerson.com/Rosemount... -
Page 3: First Steps
2. If there is no apparent damage, unpack the container. Be sure all items shown on the packing list are present. If items are missing, notify Emerson immediately. Product description Figure 1-1: Rosemount 499ATrDO Sensor Parts A. Membrane retainer B. Membrane assembly C. O-ring D. - Page 4 Following membrane change: < 1 hour Following air calibration: < 1 hour Shelf life 3 months. If the shelf life has been exceeded, the sensor can still be used. The comedown time will be longer. Weight/shipping weight 1 lb./3 lb. (0.5 kg/1.5 kg) Emerson.com/Rosemount...
- Page 5 November 2019 Quick Start Guide Table 1-2: Other Specifications Type Wetted Process Maximum Maximum materials connection temperature pressure Low flow 24091-00 and Polycarbon- Compression 158 °F (70 °C) 90 psig cell 24091-01 ate/ fitting for (722 kPa abs) ¼-in. O.D. polyester, 316 stainless tubing or...
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Page 6: Install
The gray PVC cap contains a solution of sodium sulfite. Remove the cap before installing the sensor. WARNING Poisonous substance The cap contains sodium sulfite solution. Avoid contact with skin or eyes. Do not swallow! Figure 2-1: Sensor Orientation Install sensor within 45 degrees of vertical. Emerson.com/Rosemount... - Page 7 November 2019 Quick Start Guide Figure 2-2: Low Flow Cell (PN 24091-00) A. Inches B. Millimeters C. Outlet D. Inlet Quick Start Guide...
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Page 8: Wire
Liquid Transmitter Wiring Diagrams. Figure 3-1: Rosemount 499ATrDO Sensor Wiring to Rosemount 1056 and 56 Transmitters Table 3-1: Rosemount 499ATrDO Sensor Wiring to Rosemount 1056 and 56 Transmitters Terminal Letter Wire color... - Page 9 November 2019 Quick Start Guide Table 3-1: Rosemount 499ATrDO Sensor Wiring to Rosemount 1056 and 56 Transmitters (continued) Terminal Letter Wire color Description number Orange Cathode Figure 3-2: Rosemount 499ATrDO Sensor Wiring to Rosemount 5081 Transmitter Table 3-2: Rosemount 499ATrDO Sensor Wiring to Rosemount 5081 Transmitter...
- Page 10 Quick Start Guide November 2019 Table 3-2: Rosemount 499ATrDO Sensor Wiring to Rosemount 5081 Transmitter (continued) Terminal Letter Wire color Description number White/red RTD sense RTD in Reference guard Reference in Clear Solution ground pH guard pH in -5 V...
- Page 11 November 2019 Quick Start Guide Figure 3-3: Rosemount 499ATrDO Sensor Wiring to Rosemount 1066 Transmitter Note Connect clear shield wires to solution ground terminal on TB 2. Use wire nut and pigtail if necessary. Table 3-3: Rosemount 499ATrDO Wiring to Rosemount 1066...
- Page 12 Quick Start Guide November 2019 Figure 3-4: Rosemount 499ATrDO Sensor Pin-out Diagram Table 3-4: Pin-out Diagram Terminal number Description Cathode RTD sense Anode RTD return RTD in When making a connection through a junction box (PN 23550-00), wire point-to-point. NOTICE Use a wire nut and pigtail (included) when connecting several wires to the same terminal.
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Page 13: Calibrate
November 2019 Quick Start Guide Calibrate Zero point calibration Even in the absence of oxygen, the sensor generates a small signal called the zero current. Normally, the zero current is less than 5 nA, which introduces nor more than a 0.5 ppb error in measurement. Zero the sensor when it is first placed in service and every time the fill solution is changed. - Page 14 If cumulative exposure exceeds five hours per year, restore linear response of the sensor by draining the electrolyte solution and replacing it with fresh solution. Emerson.com/Rosemount...
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Page 15: Maintenance
November 2019 Quick Start Guide Maintenance Periodic maintenance and cleaning are required for best performance of the sensor. Generally, the membrane and fill solution should be replaced every four to six months. The optimum maintenance frequency is best determined by experience. Periodically check the zero current and sensitivity. If the zero current is less than about 5 nA, and the current in the air is between 30 and 45 nA with a variability of less than two percent, the sensor does not need maintenance. - Page 16 18. Insert a small blunt probe, like a toothpick with the end cut off, through the pressure equalizing port. Figure 1-1. CAUTION Equipment damage A sharp probe may puncture the bladder and destroy the sensor. Do not use a sharp probe. Emerson.com/Rosemount...
- Page 17 November 2019 Quick Start Guide 19. Gently press the probe against the bladder several times to force liquid through the holes at the base of the cathode stem. Keep pressing the bladder until no air bubbles can be seen leaving the holes.
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Page 18: Accessories
1 O-ring 25302-04 Trace dissolved oxygen membrane kit: includes 3 membrane assemblies and 3 O-rings 9210264 Dissolved oxygen sensor fill solution, 4 oz. (125 mL) 33521-02 Membrane retainer 33523-03 Electrolyte fill plug ® 9390094 O-ring, Viton 2-014 Emerson.com/Rosemount... - Page 19 November 2019 Quick Start Guide Quick Start Guide...
- Page 20 Linkedin.com/company/Emerson- Automation-Solutions The Emerson logo is a trademark and service mark of Emerson Electric Co. Rosemount is a twitter.com/rosemount_news mark of one of the Emerson family of companies. Facebook.com/Rosemount All other marks are the property of their youtube.com/RosemountMeasurement respective owners.