Owner manual

8
IM 12B6J4-E-A
2-1. Model PH18 differential pH sensor
Temperature sensor
: Pt1000 W RTD
Wetted parts
- pH sensor : pH sensitive enamel
- Reference sensor : Na+ sensitive enamel
- Liquid earth : via SS adapter
- O-rings : EPDM
- Adapters : SS 316
Max. measuring range
: 3 to 11 pH
(The actual range will be advised with reference to the completed application data sheet)
Temperature range : 0 to 140 ºC (284 ºF)
Pressure range : -1 to 15 Bar (214 psi)
NOTE:
The use of this sensor is highly application specic. Your local Yokogawa sales ofce will be
pleased to advise on the suitability of your application, on receipt of the completed
application data sheet. Any and all information received by Yokogawa will be treated in the
strictest condence. To maintain traceability, the completed application data sheet will form
part of the contract of sale.
Yokogawa offers no function guarantee for applications where the attached data sheet
(page 16) has not been satisfactorily completed. This does not affect the normal Yokogawa
warranty covering defects in materials or workmanship.
Note:
The sensor is supplied with
cable connector. For rst
installation cable must be
specied as well. (see par.2-2)
Note:
The material certicate 3.1.B is
supplied with the sensor and
the options.
MODEL AND SUFFIX CODE
2. GENERAL SPECIFICATIONS
Model Sufx
code
Option
code
Description
PH18 ............ ................ Model PH18 Differential pH sensor
Sensor
mounting
-SA...... ................ Compatible with 25mm process connection
O-ring
material
-E... ................ Ethylene-propylene (EPDM)
Instruction
manual
-E... ................ English language
Options SA K1520EK Angled weld-in adapter (SS316)
K1520EJ STRAIGHT WELD-IN ADAPTER (SS316)
M1289BA ADAPTER 1” NPT (SS316)
237230 BLIND PLUG SS316