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Hach ORBISPHERE K1200 Basic User Manual

Hach ORBISPHERE K1200
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Sensor installation
Sensor positioning
The sensor must be installed in a socket or flow chamber that allows contact with the sample fluid to
be analyzed. The sensor and measuring instrument are connected by a cable. The standard sensor
cable lengths are 3, 5, 10, 15 and 20 meters. Ensure that the sensor will be mounted:
perpendicular to the pipe
on a horizontal pipe section (or on flow-ascending vertical pipe)
minimum of 15 meters away from the pump's discharge side
in a place where the sample flow is stable and rapid, and as far as possible from:
valves
pipe bends
the suction side of any pumps
a CO
2
injection system or similar
Note: There may be situations where not all the above conditions can be met. If this is the case, or you have any
concerns, please consult your Hach representative to appraise the situation and define the best applicable solution.
Recommended sample flow rate
For optimal response time, the recommended sample flow rate is 150 mL/min. Control the flow with
the outlet valve on the flow meter (No. 3 in Figure 8) to avoid foam developing inside the flow
chamber which could lead to erroneous oxygen measurement values.
Figure 8 Typical measurement schematic
1 Valve to redirect sample for measurement 3 Flow meter with outlet valve
2 Sensor and flow chamber combination 4 Drain
User interface
Instrument controls
The instrument front panel provides:
A touch screen acting as display, touch pad and keyboard.
A LED, showing when the instrument is on.
Turning instrument On and Off
There is no power switch on the instrument. The mains must be disconnected to turn the instrument
off.
Measurement window
The main (numeric) measurement window continuously displays:
English
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Hach ORBISPHERE K1200 Specifications

General IconGeneral
BrandHach
ModelORBISPHERE K1200
CategoryMeasuring Instruments
LanguageEnglish

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