Manual
2
Contents
1 Introduction ....................................................................................................................... 3
2 Safety notes ....................................................................................................................... 3
3 Specifications .................................................................................................................... 4
3.1 General ...................................................................................................................................................... 4
3.2 Electrical (23 ± 5 °C) .................................................................................................................................. 4
4 System description ........................................................................................................... 5
5 pH / mV measurement and calibration procedure ........................................................... 6
5.1 pH measurement (manual temperature compensation) ............................................................................. 7
5.2 pH measurement (ATC, automatic temperature) ....................................................................................... 7
5.3 mV measurement ...................................................................................................................................... 7
5.4 pH calibration ............................................................................................................................................. 7
6 Other functions .......................................................................................................... 9
6.1 Data Hold ................................................................................................................................................... 9
6.2 Data record (MAX / MIN reading) .............................................................................................................. 9
6.3 LCD backlight on/off................................................................................................................................... 9
7 Datalogger ................................................................................................................. 9
7.1 Preparation before using the datalogger function ...................................................................................... 9
7.2 Auto datalogger (set sampling time
≧ 1 second) ...................................................................................... 9
7.3 Manual datalogger (set sampling time = 0 second) ................................................................................. 10
7.4 How to check the time information ........................................................................................................... 10
7.5 How to check the sampling time information ............................................................................................ 10
7.6 SD card data structure ............................................................................................................................. 11
8 Saving data from the SD card to the computer (EXCEL software) ............................... 11
9 Advanced settings ........................................................................................................... 12
9.1 SD memory card format ........................................................................................................................... 13
9.2 Set clock time (Year/Month/Date, Hour/Minute/Second).......................................................................... 13
9.3 Set sampling time (Hour/Minute/Second) ................................................................................................ 13
9.4 Auto power off management .................................................................................................................... 13
9.5 Set beeper sound on/off........................................................................................................................... 14
9.6 Decimal point of SD card setting .............................................................................................................. 14
9.7 Select the temperature unit °C or °F ........................................................................................................ 14
9.8 Set the pH manual temperature compensation value .............................................................................. 14
9.9 ESC ......................................................................................................................................................... 14
10 Power supply from optional mains adaptor .................................................................. 15
11 Battery replacement ........................................................................................................ 15
12 System reset .................................................................................................................... 15
13 RS-232 PC serial interface .............................................................................................. 15
14 Disposal ........................................................................................................................... 17
15 Contact ............................................................................................................................. 17
15.1 PCE Instruments UK ................................................................................................................................ 17
15.2 PCE Americas ......................................................................................................................................... 17
