Dinel CLM-36, Instruction Manual

Page: 14 / 28

CLM–36
©
Dinel, s.r.o. 13
10 . s
etting
1. Empty tank to the minimum level.
2. By DIP switches on level meter set range
3)
No. 2 (250 pF).
3. Turn by screwdriver in trimmer 4 mA and set quiescent current of the level meter to
4 mA. Turning right wards (in clockwise) increase the current, turning left wards
decrease the current. When is impossible to set required current to 4 mA, then switch
DIP switches to the nearest higher range and set up of current 4 mA perform at this range.
4. Fill the tank to the maximum level. When it is impossible fill the tank to the maximum
state then we use some known (measurable) level and current for next setting
calculate according to formula:
I
out = 4 + (0,16 x level in %) [mA]
5. If the output current is less than 20 mA (or the value of I out), set to the lowest
range No. 1. by DIP switches and continue to step 7. When the output current reaches
20 mA , continue on step 6.
6. By DIP switches step wise switch to higher ranges till the current is greater then
20 mA (or calculated value I out ), through level meter then flows current e.g. 21 mA
4)
.
Trimmer 20 mA is still in basic position.
7. Then set by trimmer 20 mA current of level meter to 20 mA (or to calculated value I out
- see bellow).
8. To reach a maximum accuracy is useful to check over the setting of 4 mA
(compensation of initial capacity - quiescent current).
2) Sensitivity - minimal capacity change of electrode to reach output range 4 ÷ 20 mA or 0 ÷10 V.
3) Range = capacity of h activated electrode to reach output range 4 ÷ 20 mA or 0 ÷10 V.
(For example.: uncoated electrode 1000 mm immersion in fuel: 20 pF + 30 pF,
coated electrode 1000 mm immersion in water: 20 pF + 500 pF)
4) In case of short of electrode on housing or setting of a very sensitive range can caused to current
restriction of level meter on value max. 30 mA.
CURRENT OUTPUT 4 ... 20 mA
VOLTAGE OUTPUT 0 ... 10 V
1. Empty tank to the minimum level.
2. By DIP switches on level meter set range
3)
No. 2 (250 pF).
3. Turn by screwdriver in trimmer 0 V and set voltage output of the level meter to
0 V. Turning right wards (in clockwise) increase the voltage, turning left wards
decrease the voltage. When is impossible to set required voltage to 0 V, then switch
DIP switches to the nearest higher range and set up of voltage 0 V perform at this range.
4. Fill the tank to the maximum level. When it is impossible fill the tank to the maximum
state then we use some known (measurable) level and voltage for next setting
calculate according to formula:
U
out = 0,1 x level in % [V]
5. If the output voltage is less than 10 V (or the value of U out), set to the lowest
range No. 1. by DIP switches and continue to step 7. When the output voltage reaches
10 V, continue on step 6.