Table Of Contents; Specifications; No Interferences From The Following: H - Hach LDO AQS sensors User Manual

Table of contents

Specifications on page 3
General information on page 4
Installation on page 6

Specifications

Specifications are subject to change without notice.
Specification
Wetted materials
IP classification
Wetted materials (sensor cap)
Measurement range (dissolved
oxygen)
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
Calibration
Operation
Maintenance
Replacement parts and accessories
Details
AQ sensor-standard freshwater 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
AQS sensor-standard seawater 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 20 ppm (0 to 20 mg/L)
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+ 2+
Al , Pb , Cd , Zn , Cr (total), Fe
- 2- 2- 3-
NO , SO , S , PO
3 4 4
4 ppm
-20 to 70 °C (-4 to 158 °F)
0 to 50 ºC (32 to 122 °F)
Factory calibrated. Replace the sensor cap at 2-year intervals or more
frequently, if necessary.
on page 8
on page 9
+
S, pH, K , Na
2
2+ 3+ 2+
, Fe , Mn , Cu
-
, Cl , Anion Active Tensides, Crude Oils, Cl
on page 10
+ 2+ 2+ +
, Mg , Ca , NH ,
4
2+ 2+ 2+ -
, Ni , Co , CN ,
<
2
English 3