
6
TECHNICAL DATA
EC Range
19.99 ; 199.9 ; 1999 µS/cm
(AD331 & AD332)
19.99 ; 199.9 mS/cm
TDS Range
9.99 ; 99.9 ; 999 ppm
(AD431 & AD332)
9.99 ; 99.9 ppt
Temperature Range
(all models)
-9.9 to 120.0°C
Resolution
0.01 ; 0.1 ; 1 µS/cm
0.01 ; 0.1 mS/cm
0.01 ; 0.1 ; 1 ppm / 0.01 ; 0.1 ppt
0.1°C
Accuracy
±1% f.s. (EC and TDS)
(@20°C/68°F)
±0.5°C
EC Calibration
Offset: 0.0 µS/cm;
(AD331 & AD332)
Slope: 1 point with 6
memorized standards (84.0, 1413 µS/cm; 5.00,
12.88, 80.0, 111.8 mS/cm) or one custom value
TDS Calibration
Offset: 0.0 ppm;
(AD431 only)
Slope: 1 point with 4 memorized
standards (800, 1382 ppm; 6.44, 40.0 ppt)
or one custom value
35
When in GLP mode, the printout pro-
vides the following information:
When in SETUP mode, the follow-
ing information are printed:
When exiting the setup mode, the instrument asks if the
setup report has to be printed. The “Prn” message will
be displayed together with the printer symbol ( ) and
the CFM tag blinking.
GLP
Instr ID 0005
Date 2000/01/01
Time 00:34
Cell 0.961
Cal Buffer
EC 8.00 mS
SETUP REPORT
Instr ID 0005
Date 2000/01/01
Time 00:34
TC 01.90 %
TCE Atc
Temp REF 25.0
TDS Factor 0.50
Cell 1.000
AutoOff OFF
Printer On
Version 1.0