Hach-Lange ORBISPHERE 3650 - Manual (Page 21)

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Section 3 Installation
This section provides necessary information to install and connect the instrument. Should you
have any questions, do not hesitate to contact your Hach Lange representative regarding the
installation procedure.
The series 3650Ex Intrinsically Safe Portable Analyzer is a self-contained instrument configured
to make oxygen or hydrogen gas concentration measurements with Electrochemical (EC)
Sensors in a hazardous area, in either liquid or gaseous samples.
Refer to Instrument configurations on page 49 for a complete list of the instrument
configurations available.
Up to 500 measurement values can be stored in memory and downloaded to a personal
computer for further analysis.
The instrument is a portable unit and should be located convenient to the sample being
analyzed.
WARNING
Electrical danger and fire hazard. Only use the supplied power cable. Only qualified experts
may perform the tasks detailed in the installation section of this manual, while adhering to all
locally valid safety regulations.
Figure 1 3650Ex instrument
1. Flow Chamber 4. Battery Cap
2. Electrochemical (EC) Sensor 5. Barometric Pressure Sensor Relief Valve
3. Pseudo RS-232 Port
• This instrument is powered by a special non-rechargeable Exproof lithium
battery (model 32960).
• The battery may be changed in the hazardous area.
• Do not short circuit the battery.
• The instrument can be connected to a PC via the Interface Box (model 29122)
only in a safe area
.