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Hach LDO User Manual

Hach LDO
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9
Section 3 Installation
DANGER
Only qualified personnel should conduct the tasks described in this section of the
manual.
DANGER
Seul un technicien qualifié peut effectuer les tâches d'installation décrites dans
cette section du manuel.
The LDO system can be used with either an sc100 or sc1000 controller. Refer to
section 3.1 for sc100 installation instructions and section 3.2 on page 13 for sc1000
installation instructions.
3.1 Connecting/Wiring the Sensor to the sc100 Controller
DANGER
The sc100 and certain versions of the sensor are suitable for use in Class 1,
Division 2, Groups A, B, C, D Hazardous Locations . See Control Drawing 5860078 in
the sc100 Controller Manual, Cat. No. 5860018 for acceptable sensor versions and
installation requirements.
DANGER
Le sc100 et certaines versions du capteur peuvent être utilisés dans des endroits
dangereux de la Classe 1, Division 2, Groupes A, B, C, D. Reportez-vous au schéma
de contrôle 5860078 du Manuel du contrôleur sc100, Réf. 5860018 pour connaître
les versions des capteurs admises et les conditions d'installation.
3.1.1 Connecting the sc Sensor in a Non-hazardous Location
3.1.1.1 Attaching a sc Sensor with a Quick-connect Fitting
Important Note: The standard quick-connect fitting is NOT suitable for Class 1, Division 2
Hazardous Location installations without the connector lock installed, see section 3.1.2 on
page 12 for more information.
The sensor cable is supplied with a keyed quick-connect fitting for easy attachment to the
controller (Figure 2). Retain the connector cap to seal the connector opening in case the
sensor must be removed. Optional extension cables may be purchased to extend the
sensor cable length. If the total cable length exceeds 100 m (300 ft), a termination box
must be installed.
Note: Use of a load termination box other than Cat. No. 5867000 may result in a hazard. The load
termination box cannot be used in a hazardous location.

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Hach LDO Specifications

General IconGeneral
Storage Temperature-20 to 60 °C (-4 to 140 °F)
IP RatingIP68
Range0 to 20 mg/L
Accuracy±0.1 mg/L or ±1% of reading, whichever is greater
Resolution0.01 mg/L
Measurement Range0 to 20 mg/L
DescriptionLuminescent Dissolved Oxygen (LDO) sensor
Response timet95 < 30 seconds
Battery LifeN/A (powered externally)

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