EZ7603 Total Nitrogen + Total Phosphorus Analyser, 1 stream, Modbus RS485

EZ7603 Total Nitrogen + Total Phosphorus Analyser, 1 stream, Modbus RS485
Product #: EZ7603.990A1C02
NZD Price (Incl. GST): Contact Hach

Specifications

Alarm: 1 x malfunctioning, 4 x user-configurable, max. 24 VDC/0.5 A, potential free contacts
Ambient Temperature: 10 - 30 °C, ± 4 °C deviation at 5 - 95% relative humidity (non-condensing)
Calibration: Automatic, 2-point; frequency freely programmable
Certifications: CE compliant / UL certified
Cooling water: Flow rate approx. 5 L/h; temperature max. 30 °C; pressure max. 0.5 bar
Cycle Time: 80 min including digestion of 60 min (standard)
Demineralised water: For rinsing purposes
Digital outputs: Modbus RS485
Dimensions (H x W x D): 690 mm x 465 mm x 330 mm
Drain: Atmospheric pressure, vented, min. Ø 64 mm
Earth connection: Dry and clean earth pole with low impedance (< 1 Ohm) using an earth cable of > 2.5 mm²
Instrument air: Dry and oil free according to ISA-S7.0.01-1996 quality standard for instrument air
Interferences: TN: Dissolved organic matter, surfactants, Nitrite, and Chromium (VI) interfere. Various inorganic substances not normally found in natural water, such as Chlorite and Chlorate, may interfere. Turbidity can be compensated by 0.45 µm filtration.
TP: Arsenicum (V), Chromium (VI), Copper (II) > 10 mg/L, Iron (III) > 10 mg/L, Sulphide > 2 mg/L, and Vanadium (V), Silica > 60 mg/L. Large amounts of colour and turbidity interfere. Fats, oil, proteins, surfactants and tar.
Lower Limit of Detection (LOD): TN: ≤ 500 µg/L
TP: ≤ 50 µg/L
Material: Hinged part: Thermoform ABS, door: plexiglass
Wall section: Galvanised steel, powder coated
Measurement method: TN: UV photometric measurement at 220 nm after persulphate digestion in alkaline medium, conform with APHA 4500-NO3 (B)
TP: Colorimetric measurement at 630 nm using ascorbic acid reduction and molybdate colour solution after persulphate digestion in acidic medium, conform with APHA 4500-P
Number of sample streams: 1 stream
Output: Modbus RS485

Optional:
Active 4 - 20 mA max. 500 Ohm load, 1 to 8 outputs
RS232, Modbus TCP/IP
Parameter: Nitrogen, total; Phosphorus, total
Power: 220 VAC, 2 A, 50Hz
Max. power consumption: 150 VA
Precision: Better than 4% (TN) and 2% (TP) full scale range for standard test solutions
Protection Class: Analyser cabinet: IP55 / Panel PC: IP65
Range: TN: 0.5-50 mg/L
TP: 0.05-10 mg/L
Reagent Requirements: Keep between 10 - 30 °C
Sample Flow Rate: 100 - 300 mL/min
Sample Pressure: By external overflow vessel
Sample Quality: Maximum particle size 100 µm, < 0.1 g/L; Turbidity < 50 NTU
Sample Temperature: 10 - 30 °C
Validation: Automatic; frequency freely programmable
Warranty: 1 year
Weight: 25 kg