Hach-Lange ULTRATURB sc basic_plus_seawater - Manual (Page 5)

5
Section 1 Specifications
Specifications are subject to change without notice.
Components
Microprocessor-controlled turbidity bypass sensor ULTRATURB sc for
very low to medium turbidities with comprehensive self-diagnostics
Measuring technique 90° infrared pulse scattered light technique in accordance with DIN EN ISO 7027
Measuring range
0.0001–1000 FNU (TE/F, NTU, FTU) can be programmed as required
(0.0001–250 EBC = 2500 ppm SiO2)
Resolution 0.0001–0.9999 / 1.00–9.99 / 10.0–99.9 / 100–1000 FNU
Precision ±0.008 FNU or ±1 % of the measured value (0–10 FNU)
Reproducibility ±0.003 FNU or ±0.5 % of the measured value (0–2 FNU)
Technique variation coefficient 1 % in accordance with DIN 38402
Response time 1–60 s (can be programmed as required)
Air bubble compensation Physical-mathematical
Calibration
Permanently set in the factory
(Validation using formazine, StablCal, dry standard CVM)
Sample flow rate Min. 0.2 L/min, max. 1 L/min, max. 6 bar (at 20 °C (at 68 °F))
Sample temperature Max. 50 °C (Max. 122 °F)
Salt content of the probe
(only for seawater)
Tested up to 65 g/L
Ambient temperature +2 °C to +40 °C (+ 36 °F to +104 °F)
Sample connection Tubing (ID 13 mm) or fixed connection (PVC system component pipework)
Automatic cleaning of the
measuring chamber
(only for plus and seawater)
Automatic wiper cleaning, time controlled and as required
Materials
Measuring window: quartz
Measuring chamber: Noryl GFN2
Wiper axle: stainless steel 1.4571
Wiperarm (seawater): titanium alloy
Wiper profile: silicone
Housing
Enclosure rating: IP 65
Plastic housing ASA
Inspection interval
Once a year, service contract on request with warranty extension of five years;
please request a quote
Dimensions (W × H × D) 250 Ч 240 Ч 110 mm
Mass Approx. 1.5 kg
User maintenance
basic : 2 h / month, typical
plus and seawater: 0.5 h / month, typical