Aztec 600 ISE ammonia and fluoride
Single-stream ion-selective analyzers
14 Specification – Aztec ISE Ammonia
70
OI/AXM630–EN Rev. I
14 Specification – Aztec ISE Ammonia
Measurement
Units
NH
3
NH
3
-N
NH
4
Range
0.050 to 1000 ppm NH
3
Measurement principle
Gas-sensing ammonia probe
Measurement mode
Continuous
Measurement performance
Accuracy
1
<±5 % of reading
2
or ±0.02 ppm for 0.05 to 500 ppm NH
3
(whichever is the greater)
<±7.5 % of reading
2
for 500 to 1000 ppm NH
3
Repeatability
<±2 % of reading
3
or ±0.02 ppm (whichever is the greater)
Response time
Normal operating mode: T90 typically 5 minutes
EcoMode: T90 typically <7.5 minutes
Resolution
0 to 10 ppm – 0.001 ppm
10 to 100 ppm – 0.01 ppm
100 to 1000 ppm – 0.1 ppm
Calibration
2-point, automatic calibration, with the option of manual initiation. The
interval between automatic calibrations is selectable manually from
four times a day to once per week.
Environmental data
Ambient operating temperature:
5 to 40 ºC (41 to 104 ºF)
Ambient operating humidity:
Up to 95 % RH non-condensing
Sample temperature:
1 to 40 °C (32 to 104 °F)
Sample flow:
Continuous, 200 to 500 ml/min
Sample pressure:
5 psi maximum
Sample limitations:
Samples containing particles 100 microns (0.004 in) in diameter or
larger may require pre-filtration.
Maintenance
Routine service interval:
12 months
Display
Color, TFT, liquid crystal display (LCD) with built-in backlight and
brightness adjustment
Diagonal display area:
145 mm (5.7 in)
76800 pixel display
4
Dedicated operator keys
Group select / left cursor
View select / right cursor
Menu key
Up / increment key
Down / decrement key
Enter key
1. Maximum measured error across full measurement range.
2. Testing based on
IEC 61298 Parts 1-4 : Edition 2.0 2008-10
.
3. Testing based on
BS ISO 15839 : 2003
.
4. A small percentage of the display pixels may be either constantly active or inactive.
Max. percentage of inoperative pixels <0.01 %.
