HYDROLAB HL Série Manuel De L'utilisateur page 30

Section 12 pH sensors (007234, 007264)
12.1 Specifications
Specifications are subject to change without notice.
Specification
Range
Accuracy
Resolution
Parameters
Maximum depth
Operating temperature
12.2 Product overview
Do not put the pH sensor in red pH 4 buffer. Red pH 4 buffer can cause permanent damage to the sensor lenses.
As an alternative, use pH 4 buffer that has no color.
The pH sensor (007264) is shown in
(007264) is always used with a separate reference sensor (004463). Refer to
(004463) on page 35.
The pH integrated sensor (007234) is shown in
integrated reference sensor.
Figure 14 pH sensor (007264)
Figure 15 pH integrated sensor (007234)
12.3 Calibration
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
Chemical exposure hazard. Dispose of chemicals and wastes in accordance with local, regional and
national regulations.
Calibrate the sensors before initial use, at regular intervals and after sensor maintenance or
modifications. Periodically, do a calibration check to make sure that measurements are still within
tolerance range.
30 English
Details
0 to 14 pH
±0.2 pH
0.01 pH
pH units
200 m (656 ft)
–5 to 50 °C (23 to 122 °F), non-freezing
N O T I C E
Figure 14. The pH glass bulb is easily damaged. The pH sensor
Figure 15. The pH integrated sensor has an
C A U T I O N
C A U T I O N
Reference sensor