Emerson Rosemount 499AOZ Manual de usuario
Quick Start Guide
00825-0100-3492, Rev AA
May 2019
Rosemount™ 499AOZ
Dissolved Ozone Sensor
Safety information
CAUTION
Sensor/process application compatibility
The wetted sensor materials may not be compatible with process composition and operating
conditions.
Application compatibility is entirely the operator's responsibility.
CAUTION
Equipment damage
Do not exceed pressure and temperature specifications
Pressure: 65 psig (549 kPa abs) max.
Temperature: 32 to 122 °F (0 to 50 °C)
WARNING
Physical access
Unauthorized personnel may potentially cause significant damage to and/or misconfiguration of
end users’ equipment. This could be intentional or unintentional and needs to be protected against.
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........................................................................................................................................... 10
Calibrate.................................................................................................................................... 17
Maintenance.............................................................................................................................. 19
Accessories................................................................................................................................ 22
Quick Start Guide May 2019
2 Emerson.com/Rosemount
1 First steps
1.1 Unpack and inspect
Procedure
1. Inspect the shipping container. If it is damaged, contact the shipper
immediately for instructions.
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.
1.2 Product description
Figure 1-1: Rosemount™ 499AOZSensor Parts
A. Membrane retainer
B. Membrane assembly
C. O-ring
D. Cathode
E. Electrolyte fill plug (wrap with pipe tape)
F. Pressure equalizing port
G. Sensor cable (integral cable shown)
1.3 Specifications
Table 1-1: Sensor Specifications
Physical characteristics Specifications
Range 0 to 3 ppm (mg/L) as O3
Pressure 0 to 65 psig (101 to 549 kPa abs)
Temperature (operating) 0 to 50 °C (32 to 122 °F)
Process connection 1 in. MNPT
May 2019 Quick Start Guide
Quick Start Guide 3
Table 1-1: Sensor Specifications (continued)
Physical characteristics Specifications
Wetted parts Polysulfone, Viton®, Teflon®, and silicone
Cathode Gold (not normally wetted)
Accuracy Accuracy depends on the accuracy of the chemical test used to
calibrate the sensor.
Linearity ±5% of reading or ±3 ppb (whichever is greater) at 25 °C (77 °F)
Repeatability ±2% of reading at constant temperature
Response time 30< 20 sec to 90% of final reading at 25 °C (77 °F)
Membrane permeability
connection
Defined between 0 and 50 °C (32 and 122 °F)
Electrolyte volume 25 mL (approx.)
Electrolyte life 3 months (approx.); for best results, replace electrolyte monthly.
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)
Weight/shipping
weight(1)
0.5 kg / 1.5 kg (1 lb / 3 lb)
(1) Weights and shipping weights are rounded up to the nearest whole pound or 0.5 kg.
Table 1-2: Other Specifications
Type PN Wetted
materials
Process
connection
Maximum
temperature
Maximum
pressure
2 in. tee 915240-03 PVC and Buna
N; body is
schedule 80
PVC
3/4 in. NFPT 49 °C (120 °F) 60 psig (515
kPa abs)
915240-04 1 in. NFPT
915240-05 1-1/2 in. NFPT
Low flow
cell (1)
24091-00 and
24091-01
Polycarbonat
e/polyester,
316 stainless
steel, and
silicone
Compression
fitting for 1/4
in. O.D.
tubing or 1/4
in. FNPT
70 °C (158 °F) 90 psig (722
kPa abs)
Quick Start Guide May 2019
4 Emerson.com/Rosemount
Table 1-2: Other Specifications (continued)
Type PN Wetted
materials
Process
connection
Maximum
temperature
Maximum
pressure
Valved
rotameter
9390004 for
use with low
flow cell
Flow: 0.5 to 5
gph (1.4 to 19
L/hr)
Acrylic, 316
stainless
steel, and
Viton
1/4 in. NFPT
(316 stainless
steel)
65 °C (150 °F) 100 psig (858
kPa abs)
(1) Temperature and pressure specifications for the low flow cell exceed the temperature and
pressure specifications for the sensor.
May 2019 Quick Start Guide
Quick Start Guide 5
2 Install
Install the sensor in a flowing sample. Keep the sample flow as constant as
possible at a value within the following limits:
Sample flow unit Flow limits
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)
Figure 2-1: Sensor Orientation
Quick Start Guide May 2019
6 Emerson.com/Rosemount
Figure 2-2: Flow Through 1-1/2 in. Tee
A. Union coupler
B. 1 in. NPT (2 places)
C. Sensor body: Rosemount 499A
D. 1 in. NPT flow cell adapter
E. O-ring 2-222
F. 1 1/2 in. sched 80 CPVC tee body
May 2019 Quick Start Guide
Quick Start Guide 7
Figure 2-3: Flow Through 2 in. Tee
A. Union coupler
B. Adapter
C. 1 in. NPT (2 places)
D. Sensor body: Rosemount 499A
E. O-ring 2-222
F. 2 in. sched 80 PVC tee body
Quick Start Guide May 2019
8 Emerson.com/Rosemount
Figure 2-4: Low Flow Cell (PN 24091-00)
May 2019 Quick Start Guide
Quick Start Guide 9
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