Emerson Rosemount 499ACL-01 Quick Start Guide
Rosemount™ 499ACL-01
Free Chlorine Sensor
Quick Start Guide
00825-0100-3499, Rev AB
September 2019
Quick Start Guide September 2019
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.
Notice
ROSEMOUNT (“SELLER”) SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS IN THIS
MANUAL OR OMISSIONS FROM THIS MANUAL. SELLER MAKES NO WARRANTIES, EXPRESSED OR
IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE, WITH RESPECT TO THIS MANUAL AND, IN NO EVENT, SHALL SELLER BE LIABLE
FOR ANY SPECIAL OR CONSEQUENTIAL DAMAGES INCLUDING, BUT NOT LIMITED TO, LOSS OF
PRODUCTION, LOSS OF PROFITS, ETC.
PRODUCT NAMES USED HEREIN ARE FOR MANUFACTURER OR SUPPLIER IDENTIFICATION ONLY AND
MAY BE TRADEMARKS/REGISTERED TRADEMARKS OF THESE COMPANIES.
THE CONTENTS OF THIS PUBLICATION ARE PRESENTED FOR INFORMATIONAL PURPOSES ONLY, AND
WHILE EVERY EFFORT HAS BEEN MADE TO ENSURE THEIR ACCURACY, THEY ARE NOT TO BE
CONSTRUED AS WARRANTIES OR GUARANTEES, EXPRESSED OR IMPLIED, REGARDING THE PRODUCTS
OR SERVICES DESCRIBED HEREIN OR THEIR USE OR APPLICABILITY. WE RESERVE THE RIGHT TO
MODIFY OR IMPROVE THE DESIGNS OR SPECIFICATIONS OF SUCH PRODUCTS AT ANY TIME.
SELLER DOES NOT ASSUME RESPONSIBILITY FOR THE SELECTION, USE, OR MAINTENANCE OF ANY
PRODUCT. RESPONSIBILITY FOR PROPER SELECTION, USE, AND MAINTENANCE OF ANY SELLER
PRODUCT REMAINS SOLELY WITH THE PURCHASER AND END-USER.
Warranty
1.
LIMITED WARRANTY: Subject to the limitations contained in Section 2 herein and except as
otherwise expressly provided herein, Rosemount (“Seller”) warrants that the firmware will
execute the programming instructions provided by Seller and that the Goods manufactured
or Services provided by Seller will be free from defects in materials or workmanship under
normal use and care until the expiration of the applicable warranty period. Goods are
warranted for twelve (12) months from the date of initial installation or eighteen (18) months
from the date of shipment by Seller, whichever period expires first. Consumables and
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September 2019 Quick Start Guide
Services are warranted for a period of 90 days from the date of shipment or completion of the
Services. Products purchased by Seller from a third party for resale to Buyer (“Resale
Products”) shall carry only the warranty extended by the original manufacturer. Buyer agrees
that Seller has no liability for Resale Products beyond making a reasonable commercial effort
to arrange for procurement and shipping of the Resale Products. If Buyer discovers any
warranty defects and notifies Seller thereof in writing during the applicable warranty period,
Seller shall, at its option, promptly correct any errors that are found by Seller in the firmware
or Services, or repair or replace F.O.B. point of manufacture that portion of the Goods or
firmware found by Seller to be defective, or refund the purchase price of the defective
portion of the Goods/Services. All replacements or repairs necessitated by inadequate
maintenance, normal wear and usage, unsuitable power sources, unsuitable environmental
conditions, accident, misuse, improper installation, modification, repair, storage or handling,
or any other cause not the fault of Seller are not covered by this limited warranty, and shall be
at Buyer's expense. Seller shall not be obligated to pay any costs or charges incurred by Buyer
or any other party except as may be agreed upon in writing in advance by an authorized Seller
representative. All costs of dismantling, reinstallation and freight, and the time and expenses
of Seller's personnel for site travel and diagnosis under this warranty clause shall be borne by
Buyer unless accepted in writing by Seller. Goods repaired and parts replaced during the
warranty period shall be in warranty for the remainder of the original warranty period or
ninety (90) days, whichever is longer. This limited warranty is the only warranty made by
Seller and can be amended only in a writing signed by an authorized representative of Seller.
Except as otherwise expressly provided in the Agreement, THERE ARE NO REPRESENTATIONS
OR WARRANTIES OF ANY KIND, EXPRESSED OR IMPLIED, AS TO MERCHANTABILITY, FITNESS
FOR PARTICULAR PURPOSE, OR ANY OTHER MATTER WITH RESPECT TO ANY OF THE GOODS
OR SERVICES. It is understood that corrosion or erosion of materials is not covered by our
guarantee.
2.
LIMITATION OF REMEDY AND LIABILITY: SELLER SHALL NOT BE LIABLE FOR DAMAGES CAUSED
BY DELAY IN PERFORMANCE. THE SOLE AND EXCLUSIVE REMEDY FOR BREACH OF
WARRANTY HEREUNDER SHALL BE LIMITED TO REPAIR, CORRECTION, REPLACEMENT, OR
REFUND OF PURCHASE PRICE UNDER THE LIMITED WARRANTY CLAUSE IN SECTION 1
HEREIN. IN NO EVENT, REGARDLESS OF THE FORM OF THE CLAIM OR CAUSE OF ACTION
(WHETHER BASED IN CONTRACT, INFRINGEMENT, NEGLIGENCE, STRICT LIABILITY, OTHER
TORT, OR OTHERWISE), SHALL SELLER'S LIABILITY TO BUYER AND/OR ITS CUSTOMERS
EXCEED THE PRICE TO BUYER OF THE SPECIFIC GOODS MANUFACTURED OR SERVICES
PROVIDED BY SELLER GIVING RISE TO THE CLAIM OR CAUSE OF ACTION. BUYER AGREES
THAT IN NO EVENT SHALL SELLER'S LIABILITY TO BUYER AND/OR ITS CUSTOMERS EXTEND TO
INCLUDE INCIDENTAL, CONSEQUENTIAL OR PUNITIVE DAMAGES. THE TERM
“CONSEQUENTIAL DAMAGES” SHALL INCLUDE, BUT NOT BE LIMITED TO, LOSS OF
ANTICIPATED PROFITS, LOSS OF USE, LOSS OF REVENUE, AND COST OF CAPITAL.
Contents
First steps.....................................................................................................................................5
Install........................................................................................................................................... 8
Wire........................................................................................................................................... 12
Calibrate.................................................................................................................................... 17
Maintenance.............................................................................................................................. 19
Accessories................................................................................................................................ 22
Quick Start Guide 3
Quick Start Guide September 2019
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September 2019 Quick Start Guide
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 499ACL-01 Sensor 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
Table 1-1: Sensor Specifications
Physical characteristics Specifications
Range 0 to 10 ppm (mg/L) as Cl2. For higher ranges, consult the factory.
Pressure 0 to 65 psig (101 to 549 kPa abs)
Temperature (operating) 32 to 122 °F (0 to 50 °C)
Process connection 1-in. male national pipe thread (MNPT)
Quick Start Guide 5
Specifications
Quick Start Guide September 2019
Table 1-1: Sensor Specifications (continued)
Physical characteristics Specifications
Wetted parts Noryl®, Viton®, platinum, polyethersulfone, polyester, wood, and
Accuracy Accuracy depends on the accuracy of the chemical test used to
pH range 6.0 to 9.5. For samples having pH between 9.5 and 10.0, consult
pH correction Use continuous pH correction (requires an auxiliary pH sensor) if
Linearity 2% (typical)
Sample conductivity > 50 µS/cm
Interferences Peroxides, permanganate, and chloramines
Response time 22 sec to 95% of final reading at 77 °F (25 °C)
Electrolyte volume 0.8 oz. (25 mL), approximately
Electrolyte life 3 months (approximately); for best results, replace electrolyte
Cable length See Ordering information table in the Product Data Sheet for cable
Sample flow Flow through: 2 to 5 gpm (3.8 to 19 L/min)
silicone
calibrate the sensor.
the factory. Samples with ranges below 6.0 require no pH
correction.
sample pH varies more than 0.2 pH (peak to peak). If pH variability
is less or seasonal, the pH sensor is generally not required.
monthly.
length options.
Open channel: 1 ft./sec (0.3 m/sec)
Low flow cell (PN 24091-00): 8 to 15 gph (30 to 57 L/hr)
Low flow cell (PN 24091-01): 2 to 5 gph (7.6 to 19 L/hr)
Weight/shipping weight 1 lb./3 lb. (0.5 kg/1.5 kg)
Table 1-2: Other Specifications
Type PN Wetted
materials
1½-in. tee 23567-00 CPVC and
Buna N
2-in. tee 915240-03 PVC and BunaN¾-in. NFPT 120 °F (49 °C) 60 psig (515
915240-04 1-in. NFPT
915240-05 1½-in. NFPT
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Process
connection
1½-in. socket 122 °F (50 °C) 65 psig (549
Maximum
temperature
Maximum
pressure
kPa abs)
kPa abs)
September 2019 Quick Start Guide
Table 1-2: Other Specifications (continued)
Type PN Wetted
materials
Low flow
(1)
cell
24091-00 and
24091-01
Polycarbonate/
polyester,
316 stainless
Process
connection
Compression
fitting for
¼-in. O.D.
tubing
Maximum
temperature
Maximum
pressure
158 °F (70 °C) 90 psig
(722 kPa abs)
steel, and
silicone
(1) Temperature and pressure specifications for the low flow cell exceed the temperature and
pressure specifications for the sensor.
Quick Start Guide 7
Quick Start Guide September 2019
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 (PN 24091-00) 8 to 15 gph (20 to 47 L/hr)
Low flow cell (PN 24091-01) 2 to 3 gph (120 to 190 mL/min)
Figure 2-1: Sensor Orientation
Install sensor within 45 degrees of vertical.
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