Hach pHD sc Analog Differential pH/ORP Sensors Manuel D'utilisation page 4

Table of Contents
1 Specifications on page 4
2 General information
on page 4
3 Installation on page 6
4 Operation on page 11
Section 1 Specifications
Specifications are subject to change without notice.
Table 1 Sensor specifications
Specification Details
Operating temperature –5 to 105 ºC (23 to 221 ºF)
Storage temperature 4 to 70 ºC (40 to 158 ºF)
Temperature element NTC300 thermistor
Sensor cable pHD: 5-conductor (plus 2 shields), 6 m
(20 ft); LCP: 5-conductor (plus 1 shield),
3 m (10 ft)
Dimensions pHD: 271 mm (10.7 in.)/35 mm (1.4 in.);
(length/diameter) 1-in. NPT; LCP: 187 mm (7.35 in.)/51 mm
(2 in.); 1-½ in. NPT
Components Corrosion-resistant materials, fully-
submersible
Pressure limit 6.9 bar at 105 ºC (100 psi at 221 ºF)
Maximum flow rate 3 m/s (10 ft/s)
Section 2 General information
In no event will the manufacturer be liable for direct, indirect, special,
incidental or consequential damages resulting from any defect or
omission in this manual. The manufacturer reserves the right to make
4 English
5 Maintenance on page 16
6 Troubleshooting on page 17
7 Replacement parts and
accessories on page 22
changes in this manual and the products it describes at any time, without
notice or obligation. Revised editions are found on the manufacturer's
website.
2.1 Safety information
The manufacturer is not responsible for any damages due to
misapplication or misuse of this product including, without limitation,
direct, incidental and consequential damages, and disclaims such
damages to the full extent permitted under applicable law. The user is
soley responsible to identify critical application risks and install
appropriate mechanisms to protect processes during a possible
equipment malfunction.
Please read this entire manual before unpacking, setting up or operating
this equipment. Pay attention to all danger and caution statements.
Failure to do so could result in serious injury to the operator or damage
to the equipment.
Make sure that the protection provided by this equipment is not impaired.
Do not use or install this equipment in any manner other than that
specified in this manual.
2.2 Use of hazard information
D A N G E R
Indicates a potentially or imminently hazardous situation which, if not
avoided, will result in death or serious injury.
W A R N I N G
Indicates a potentially or imminently hazardous situation which, if not
avoided, could result in death or serious injury.
C A U T I O N
Indicates a potentially hazardous situation that may result in minor or
moderate injury.
N O T I C E
Indicates a situation which, if not avoided, may cause damage to the
instrument. Information that requires special emphasis.