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...8 MAINTENANCE
8.7 Color Compensation Solenoid Valves
There is no maintenance required for these valves (SV4 and
SV5 – see Fig. 1.1). If they have been removed from the base
for any reason, please refer to Fig. 8.6 for the correct
orientation on reassembly.
SV4
Fig. 8.6 Orientation of Valves SV4 and SV5
34
9 SPECIFICATION
Installation Information
Install the monitor where the following conditions can be
maintained:
Sample Flow
Suspended Solids
Sample Connections
Inlet
Outlet
Ambient Temperature
Sample Temperature
SV5
Reagent Solutions
Calibration Solutions
Enclosure Dimensions
Weight
Power Supply
Isolation Voltage
Power Supply Tolerance +6% to –20%
Relay Contacts – Single Pole Changeover
Rating
Loading (non-inductive) 750 VA
(inductive)
Degree of Protection
General Specification
Range
Color Compensation
Limit
Accuracy
Reproducibility
Maximum Current Output
Scale Expansion
5 to 750 ml min
–1
–1
<10 mg l
, <60 microns
6 mm, flexible hose connection
9 mm, flexible hose connection
5 to 40 C
5 to 55 C
Consumption of the reagent is
10 liters per five weeks.
A solution of one liter is required of
concentration and formulation suitable
for the particular range and application.
Height
740 mm
Width
540 mm
Depth
240 mm
25 kg
110 to 120 V or 220 to 240 V,
50/60 Hz, 100 VA.
Input, output and power supply
1.5 kV.
250 V a.c.
250 V d.c. maximum
3 A a.c.
3 A d.c. maximum
30 W maximum
750 VA
3 W maximum
Electronics Section – IP65.
Liquid Handling – Case IP31,
Critical internal components IP65.
0 to 60 mg l
–1
as PO
3–
4
0 to 20 mg l
–1
as P
The sum of reacted phosphate plus
sample color must be 60 mg l
PO
3–
or 20 mg
–1
as P
4
<0.05 mg l
–1
as P or
<0.15 mg l
–1
as PO
3–
or
4
<5%, whichever is the greater.
<0.05 mg l
–1
as P or
–1
3–
<0.15 mg l
as PO
or
4
<5%, whichever is the greater.
–1
3–
0 to 3 mg l
as PO
4
0 to 1 mg l
–1
as P
–1
as
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