Hach-Lange PHOSPHAX sigma Basic User Manual - Manual (Page 85)

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Measurement device technical data
Subject to changes.
Performance specifications
Measurement method
Reduction method, derived from DIN 38405 D11,
analysis photometric via IR LED photometer
Measurement ranges
0.01–0.50...5.00 mg/L P total phosphorus in 0.1 mg/L increments
0.01–0.50...5.00 mg/L P orthophosphate in 0.1 mg/L increments
(depending on design)
Measurement uncertainty 0.01 – 5.00 mg/L: ±2 % from the measurement value
Measurement interval t
100
= 10 min
Sample requirement approximately 100 mL/h
Ambient temperature + 5° C to + 40° C
Calibration Automatic at selectable intervals
Inspection interval 3 months
Maintenance requirement approximately 1/2 hour per week, typical
Reagent stock 3 months (standard solution 6–12 months)
Outputs
2 current outputs:
2 limit-value contacts:
Service interface:
Interface: 0/4...20 mA, maximum 500 Ω
potential-free, 24 V 1A
RS 232
bus-capable (optional)
Protection type in accordance with IP 54
Mains connection 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 T2.5 A L; 250 V (2 units)
Other Automated cleaning, data logger, graphic display with load curve display