Hach-Lange AMTAX inter2 Basic User Manual - Manual (Page 93)

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Measurement device technical data
Subject to changes.
Performance specifications
Measurement method Indophenol blue method, derived from DIN 38406 E5
Measurement ranges
AMTAX inter 2 – 2:
AMTAX inter 2 – 20:
AMTAX inter 2 – 80: 0.02–2.00 mg/L NH
4
-N
0.1–20 mg/L NH
4
-N
2.0–80 mg/L NH
4
-N
Measurement uncertainty
AMTAX inter 2 – 2:
AMTAX inter 2 – 20/80: ±4 % of the measurement value ±0.02 mg/L NH
4
-N
±2 % of the measurement value ±0.02 mg/L NH
4
-N
Measuring interval 5 or 10 min (selectable with continuous sample feed)
Measured value display Graphic display with curve diagram
Calibration Automatic at selectable intervals
Inspection interval 6 months
Maintenance requirements Approximately 1 h / week, typical
Reagent stock
Reagents:
Null/standard solution:
Cleaning solution: 4–8 weeks depending on interval
12 months
3–6 months depending on interval
Outputs
Two current outputs:
Two limit-value contacts:
Interface: 0/4...20 mA, maximum 500 Ω
Potential-free, 24 V 1 A
Bus-capable (optional)
Ambient temperature +5° C to +40° C
Power connector 230 V AC / 50 Hz
Power consumption Approximately 150 VA
Dimensions: W x H x D 560 mm x 810 mm x 330 mm
Mass Approximately 29 kg (without reagents)
Fuses T 2.5 A L; 250 V (2 pieces)
Miscellaneous Auto-cleaning, data logger, graphic display with curve diagram