Specification - ABB AX410 User Manual

SPECIFICATION

Conductivity – AX41x and AX45x
Range
Programmable 0 to 0.5 to 0 to 10,000S cm
(with various cell constants)
Minimum span
10 x cell constant
Maximum span
10,000 x cell constant
Units of measure
S cm , S m
–1 –1 , mS cm –1 , mS m
Accuracy
Better than 0.01% of span (0 to 100S cm
Better than 1% of reading (10,000S cm
Operating temperature range
–10 to 200C (14 to 392F)
Temperature compensation
–10 to 200C (14 to 392F)
Temperature coefficient
Programmable 0 to 5%/C and fixed temperature compensation
curves (programmable) for acids, neutral salts and ammonia
Temperature sensor
Programmable Pt100 or Pt1000
Reference Temperature
25C (77F)
Calculated variables – AX411
Ratio
Difference
Percent passage or rejection
Total dissolved solids
Inferred pH
* pH calculation according to the appendix in the VGB directive 450L,
1988.
70
–1
–1 , M-cm and TDS
–1 )
–1 )
0 to 19,999
0 to 10,000S cm –1
0 to 100.0%
0 to 8,000 ppm
7.0 to 10.0pH
(NH -dosed systems)
3
7.0 to 11.0pH
(NaOH-dosed systems)*
pH /Redox (ORP) – AX416
Inputs
pH or mV input and solution earth
Temperature sensor Pt100, Pt1000 or Balco 3k
Enables connection to glass or enamel pH and reference sensors
and Redox (ORP) sensors
Input resistance

13
Glass >1 x 10

13
Reference 1 x 10
Range
–2 to 16pH or –1200 to +1200mV
Minimum span
Any 2pH span or 100mV
Resolution
0.01pH
Accuracy
0.01pH
Temperature compensation modes
Automatic or manual Nernstian compensation
Range –10 to 200C (14 to 392F)
Process solution compensation with configurable coefficient
Range –10 to 200C (14 to 392F)
adjustable –0.05 to +0.02%/C (–0.02 to +0.009%/F)
Temperature sensor
Programmable Pt100, Pt1000 or Balco 3k
Calibration Ranges
Check value (zero point)
0 to 14pH
Slope
Between 40 and 105% (low limit user configurable)
Electrode Calibration Modes
Calibration with auto-stability checking
Automatic 1 or 2 point calibration selectable from:
ABB
DIN
Merck
NIST
US Tech
2 x User-defined buffer tables for manual entry,
2-point calibration or one-point process calibration