Emerson Rosemount 499AOZ User manual

Quick Start Guide
LIQ-QSG-499AOZ, Rev M
July 2017
Rosemount™ 499AOZ
Dissolved Ozone Sensor

Safety information
CAUTION!
SENSOR/PROCESS APPLICATION COMPATIBILITY
The wetted sensor material may not be compatible with process composition and operating conditions. Application compatibility is
entirely your 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)

Contents
Chapter 1 Plan ..................................................................................................................................1
1.1 Unpacking and inspection .............................................................................................................. 1
1.2 Product description ........................................................................................................................1
1.3 Specifications .................................................................................................................................1
Chapter 2 Install ...............................................................................................................................5
Chapter 3 Wire .................................................................................................................................9
Chapter 4 Calibrate ........................................................................................................................ 17
4.1 Zero point calibration ...................................................................................................................17
4.2 Full scale calibration ..................................................................................................................... 17
Chapter 5 Maintenance .................................................................................................................. 19
5.1 Cleaning the membrane ...............................................................................................................19
5.2 Replacing the electrolyte solution and membrane ....................................................................... 19
Chapter 6 Accessories .................................................................................................................... 21
Contents
Quick Start Guide i

Contents
ii Rosemount 499AOZ Dissolved Ozone Sensor

1 Plan
1.1 Unpacking and inspection
1. Inspect the shipping container. If it is damaged, contact the shipper immediately for
instructions.
2. Save the box.
3. 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 Rosemount immediately.
1.2 Product description
Rosemount 499AOZ Sensor PartsFigure 1-1:
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
Sensor specificationsTable 1-1:
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)
Plan
Quick Start Guide 1

Sensor specifications (continued)Table 1-1:
Physical characteristics Specifications
Process connection 1 in. MNPT
Wetted parts Polysulfone, Viton®, Teflon®,(1) 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 77 °F
(25 °C)
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 41 and 95 °F (0 and 50 °C)
Process connection 1 in. MNPT
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)
Process connections Sensor must be used in flow cell PN 24091-01
Weight/shipping weight(2) 1 lb/3 lb (0.5kg /1.5 kg)
(1) Viton and Teflon are registered trademarks of E.I. duPoint de Nemours & Co.
(2) Weights and shipping weights are rounded up to the nearest whole pound or 0.5 kg.
Other specificationsTable 1-2:
Type PN Wetted materials Process connection
Maximum tempera-
ture Maximum pressure
2 in.
tee
915240-03 PVC and Buna N; body
is schedule 80 PVC
3/4 in. NFPT 120 °F (49 °C) 60 psig (515 kPa abs)
915240-04 1 in. NFPT
915240-05 1-1/2 in. NFPT
Low
flow
cell (1)
24091-00 Polycarbonate/poly-
ester, 316 stainless
steel, and silicone
Compression fitting
for 1/4 in. O.D. tubing
or 1/4 in. FNPT
158 °F (70 °C) 90 psig (722 kPa abs)
Plan
2 Rosemount 499AOZ Dissolved Ozone Sensor

Other specifications (continued)Table 1-2:
Type PN Wetted materials Process connection
Maximum tempera-
ture Maximum pressure
Valved
rota-
meter
9390004 for
use with low
flow cell
Acrylic, 316 stainless
steel, and Viton
1/4 in. NFPT (316
stainless steel)
150 °F (65 °C) 100 psig (858 kPa
abs)
(1) Temperature and pressure specifications for the low flow cell exceed the temperature and pressure specifications for the sensor.
Plan
Quick Start Guide 3

Plan
4 Rosemount 499AOZ Dissolved Ozone Sensor

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)
Sensor OrientationFigure 2-1:
Install
Quick Start Guide 5

Flow through 1-1/2 in. TeeFigure 2-2:
Install
6 Rosemount 499AOZ Dissolved Ozone Sensor