Hach-Lange LDO Sensor User Manual
Page 3
Table of Contents
on page 3
on page 9
on page 4
on page 13
on page 5
on page 15
on page 6
Replacement parts and accessories
on page 17
on page 11
Specifications
Specifications are subject to change without notice.
Specification
Details
Wetted materials (probe body)
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
IP classification
IP68
Wetted materials (sensor cap)
Acrylic
Measurement range (dissolved oxygen)
0 to 20 ppm (0 to 20 mg/L)
0 to 200% saturation
Measurement accuracy (dissolved oxygen)
Below 5 ppm: ± 0.1 ppm
Above 5 ppm: ± 0.2 ppm
Repeatability (dissolved oxygen)
0.1 ppm (mg/L)
Response time (dissolved oxygen)
T
90
<40 seconds
T
95
<60 seconds
Resolution, sensor (dissolved oxygen)
0.01 ppm (mg/L); 0.1% saturation.
Measurement range (temperature)
0 to 50 °C (32 to 122 °F)
Measurement accuracy (temperature)
± 0.2 °C (± 0.36 °F)
Interferences
No interferences from the following: H
2
S, pH, K
+
, Na
+
, Mg
2+
, Ca
2+
,
NH
4
+
, Al
3+
, Pb
2+
, Cd
2+
, Zn
2+
, Cr (total), Fe
2+
, Fe
3+
, Mn
2+
, Cu
2+
,
Ni
2+
, Co
2+
, CN
–
, NO
3
–
, SO
4
2–
, S
2–
, PO
4
3–
, Cl
–
, Anion Active
Tensides, Crude Oils, Cl
2
< 4 ppm
Storage temperature
–20 to 70 °C (–4 to 158 °F)
Maximum ambient temperature
60 °C (140 °F). Suitable for use in water up to 50 °C (122 °F)
Hazardous location classification
(5790001 sensor only)
Class I Division 2, Groups A–D, T4 / Class I, Zone 2 Group 2C, T4
Note: This product does not fulfill the requirements of the 94/9/EC Directive
(ATEX Directive).
Certifications (5790001 sensor only)
ETL listed to ANSI/ISA, CSA and FM standards for use in
hazardous location.
Note: This product does not fulfill the requirements of the 94/9/EC Directive
(ATEX Directive).
Minimum flow rate
Not required
English 3