Apera Instruments PC 8500 User Manual

17
Chart – 12 Self-diagnosis information of conductivity measurement mode
Display
Icons
Contents
Checking
Wrong conductivity calibration solution
or the recognition range of calibration
solution exceeds standard.
1.Check whether conductivity calibration
solution is correct.
2. Check whether the meter connects the
electrode well.
3. Check whether the electrode is damaged.
Press key when measuring value is
not stable during calibration.
Press key when icon appears
During calibration, the measuring value is
not stable for ≥3min.
1. Shake the electrode to eliminate bubbles
in electrode head.
2. Replace with a new conductivity electrode.
Enter in pre-set due calibration to remind
calibration
Press key to perform calibration or cancel
due calibration setup per parameter P2.6.
6.6.4. Factory default setting
For factory default setting, please refer to parameter P2.8 (clause 7.4). All calibration data is deleted and the
meter restores to the theory value. Some functions restore to the original value (refer to appendix -1). When
calibration or measurement fails, please restore the meter to factory default setting and then perform
re-calibration or measurement. Please note once factory default setting is set, all the data deleted will not
irretrievable.
6.7. Conductivity electrode maintenance
6.7.1. Always keep the conductivity electrode clean. Before taking a measurement, rinse the electrode in
pure water and then rinse it in the sample solution. When submerging the electrode in solution, stir the
solution briefly to eliminate air bubbles and allow it to stay until a stable reading is reached. For conductivity
electrode which keeps dry, soak the electrode in pure water for 5-10 minutes. Rinse the electrode in pure
water after measurement.
6.7.2. The interaction pole of Model 2301T-S conductivity electrode is coated with platinum black to minimize
electrode polarization and expand measuring range. The platinum black coating applied by a special
processing technology, which improves the electrode performance and the robustness of the coating, If the
platinum black electrode is stained, gently clean the electrode with a soft brush in warm water containing
detergent or alcohol.
7. Parameter setting
7.1 Main menu
In the measurement mode, press key to enter in P1.0, then press or to switch to main menu:
P1.0→P2.0→P3.0. Please refer to Diagram – 14.
P1.0: pH parameter setting menu,
P2.0: Conductivity parameter setting menu,
P3.0: Basic parameter setting menu.

Apera Instruments PC 8500 Specifications

General

Brand	Apera Instruments
Model	PC 8500
Category	Measuring Instruments
Language	English