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443 M1 01 E
10-03-2015
FUNCTIONS – DESCRIPTION
- TURBISENS determines the turbidity of liquids according ISO 7027, using infrared light in pulsating light mode with 2 emitters and
1 receiver.
- Output signal: 4 to 20 mA
- Automatic compensation is assured on external light and colour.
MOUNTING : Caution!
The probe must be installed vertically using the supplied bracket in order to let a
free space of 10 cm
as a minimum
from the tank or channel floor. The cable sensor is connected with an IP67 protected connector to the head housing.
RANGE SET UP
●
Connect the power supply, at this moment the initializing
sequence runs until the green LED blinks.
●
Press the push button. Display:
"OUT"
●
Press the push button once more. Display:
"present value"
●
Choose the right range with the selector.
●
The instrument after 5 seconds saves your selected range
and returns back to measuring mode.
See fig.1
: Configuration menu
Switching the power on:
The initializing sequence begins, display indicates the sofware
version.
Whitin 3 seconds, green LED blinks: measuring mode is opera-
ting and display indicates the measured turbidity.
Compensation:
Colour compensation only for 0...50 and 0...100 FNU ranges.
Status indicators:
Blinking green LED:
= All in operation, measurement mode
OFF green LED:
= Faulty power supply
ON red LED:
= Dysfunction on 4-20 mA output
Error indications on the display:
"SUN"
–> Too much external light
"dlrt"
–> Dirty glass windows
" "
–> Over range
"noSd"
–> Faulty probe or not connected,
broken cable
Dysfunction diagnostics
- No entry on colour compensation:
This function is available only for two ranges 0...50 and
0...100 FNU.
Choose an appropriate range to check this function.
- No choice of range over 100 FNU:
The colour compensation is working and does not allow any
range over 0...100 FNU.
Set off the colour compensation and set up the right range.
Monitor
+ -
+
www.ier.de
Enter
- +
-
4-20mA
10-30V
Power
Output
DC
LED status
Display
parameters
and turbidity
Rotating selector for
parameters selection
and
Push button for
parameters entry
Galvanic
insulated
output
Input
Power supply
Fig.1
SAFETY PRECAUTIONS
• Only qualified person should operate, install and assure the maintenance. All International and European recommendations on electrical
installation should be applied.
• The device may only be connected to supply power, which complies with the specifications included in the technical data.
• The device must be disconnected from all sources of power during installation and maintenance work.
• The device may only be operated under the conditions specified in the operating instructions.
