Hach LDO Benutzerhandbuch Seite 3

Table of Contents
1 Specifications on page 3
2 General information on page 4
3 Installation on page 7
4 Operation on page 9
Section 1 Specifications
Specifications are subject to change without notice.
The product has only the approvals listed and the registrations, certificates and declarations officially
provided with the product. The usage of this product in an application for which it is not permitted is
not approved by the manufacturer.
Specification
Wetted materials
IP classification
Wetted materials (sensor cap)
Measurement range (dissolved oxygen) 0 to 20 ppm (0 to 20 mg/L)
Measurement accuracy (dissolved
oxygen)
Repeatability (dissolved oxygen)
Response time (dissolved oxygen)
Resolution, sensor (dissolved oxygen)
Measurement range (temperature)
Measurement accuracy (temperature)
Interferences
Storage temperature
Maximum temperature
5 Calibration for measurements
6 Maintenance
7 Troubleshooting
8 Replacement parts and accessories
Details
Standard Probe, Standard Class 1-Div 2 Probe
• CPVC, sensor end and cable end
• Polyurethane, over-molding on cable end and cable jacket
• 316 stainless steel body and screws
• Viton, O-ring
• Noryl, nut on the cable end
Standard Seawater Probe, Seawater Class 1-Div 2 Probe
• CPVC, sensor end and cable end
• Polyurethane, over-molding on cable end and cable jacket
• PVC seawater body
• Seawater epoxy sealant
• Noryl, nut on the cable end
IP68
Acrylic
0 to 200% saturation
Below 5 ppm: ± 0.1 ppm
Above 5 ppm: ± 0.2 ppm
0.1 ppm (mg/L)
T <40 seconds
90
T <60 seconds
95
0.01 ppm (mg/L); 0.1% saturation.
0 to 50 °C (32 to 122 °F)
± 0.2 °C (± 0.36 °F)
No interferences from the following: H
+ 3+ 2+ 2+
NH , Al , Pb , Cd , Zn
4
2+ – – 2–
Co , CN , NO , SO
3 4
Crude Oils, Cl < 4 ppm
2
–20 to 70 °C (–4 to 158 °F)
0 to 50 ºC (32 to 122 °F)
on page 12
on page 14
on page 15
+
S, pH, K , Na
2
2+ 2+ 3+
, Cr (total), Fe , Fe
2– 3– –
, S , PO , Cl , Anion Active Tensides,
4
on page 17
+ 2+ 2+
, Mg , Ca ,
2+ 2+ 2+
, Mn , Cu , Ni ,
English 3