Yokogawa PH18 Differential pH Sensor - Manual (Page 5)

5
IM 12B6J4-E-A
PRefaCe
The PH18 should only be used with equipment
that meets the relevant IEC, American or Canadian
standards. Yokogawa accepts no responsibility for the
misuse of this unit.
The PH18 is packed carefully with shock absorbing
materials, nevertheless, it may be damaged or broken
if subjected to strong shock, such as if the package is
dropped. Handle with care. Although the PH18 has a
weatherproof construction, the connections can be
harmed if it becomes submerged in water or becomes
excessively wet. Do not use an abrasive in cleaning
the PH18.
Notice
Contents of this manual are subject to change without
notice. Yokogawa is not responsible for damage to
the sensor, poor performance, or losses resulting from
such, if the problems are caused by:
1. Incorrect operation by this user.
2. Use of the sensor in the wrong applications.
3. Use of the sensor in an adverse environment or
incorrect utility program
4. Repair or modification of the sensor by an engineer
not authorized by Yokogawa.
Warranty and service
Yokogawa products and parts are guaranteed free
from defects in workmanship and material under
normal use and service for a period of (typically) 12
months from the date of shipment from the
manufacturer. Individual sales organisations can
deviate from the typical warranty period, and the
conditions of sale relating to the original purchase
order should be consulted. Damage caused by wear
and tear, inadequate maintenance, corrosion, or by the
effects of chemical processes are excluded from this
warranty coverage. In the event of warranty claim, the
defective goods should be sent ( freight paid) to the
service department of the relative sales organisation for
repair or replacement (at Yokogawa discretion). The following information must be included in the letter
accompanying the returned goods:
1. Part number, model code and serial number.
2. Original purchase order and date.
3. Length of time in service and a description of the
process.
4. Description of the fault, and the circumstances of
failure.
5. Process/environmental conditions that may be related
to the installation failure of the device.
6. A statement whether warranty or nonwarranty service
is requested.
7. Complete shipping and billing instructions for return of
material , plus the name and phone number of a
contact person who can be reached for further
information.
Returned goods that have been in contact with process
fluids must be decontaminated/ disinfected before
shipment. Goods should carry a certificate to this
effect, for the health and safety of our employees.
Material safety data sheets should be included for all
components of the processes to which the equipment
has been exposed.
Unpacking and checking
Upon receipt of the goods, carefully inspect the shipping
package for any evidence of damage. If the carton is
damaged, notify the shipping agent and the sales
organisation immediately. If the shipping package is not
damaged, remove the products and parts. Confirm
that all items shown on the packing list are available
and that the package does not contain any parts or
accessories fillers. Notify the sales organisation if items
are missing.
PH18 sensor
The box of the PH18 sensor contains the
following items:
Sensor complete, possible options (check part number
for possible options), instruction manual, material
certificate and quality inspection certificate. The WU18
cable is packed separately.