1.
1.
1.
1. Before
Before
Before
Before IIIInstalling
nstalling
nstalling
nstalling
· Read this manual thoroughly and become familiar with it before installing or operating this
Displacement type Level Transmitter (SDT-420).
1.1 Safety Precaution
1.1 Safety Precaution
1.1 Safety Precaution
1.1 Safety Precautions
ss
s
· Read the safety precautions carefully before using this instrument.
The safety precautions described herein should be strictly complied with for safety operations and
are classified to DANGER, WARNING and CAUTION.
1.2 Precautions
1.2 Precautions
1.2 Precautions
1.2 Precautions during the
during the
during the
during the IIIInstal
nstal
nstal
nstallation &
lation &
lation &
lation & O
O
O
Operation
peration
peration
peration
1. The information included in this manual is subject to change without prior notice.
2. Check if all specifications are consistent with the products you ordered.
3. Inspect the instrument for any damages that may have occurred during the transportation.
4. For securing an appropriate operation, the ambient temperature should be between 0 ~ 70
and
the humidity should be between 0~99%RH(No condensation).
5. Do not install or use this instrument in the location where generates corrosive gases (especially
hazardous gases or ammonia gas) or combustible gases unless the instrument is an explosion
proof type.
6. Do not install or use the instrument in the location where vibration may affect directly to.
7. Do not clean the instrument with organic solvent such as alcohol or benzene, and use a neutral
detergent.
WARNING
WARNING
WARNING
WARNING
1. Where there are any concerns that a small trouble or an abnormal operation can cause
any serious accidents, an appropriate safety protecting circuit should be installed in
order to prevent those serious accidents.
2. Prepare a separate power switch for this instrument.
3. Confirm that the voltage of power source is consistent with the rated voltage of the
instrument.
4. Do not hook up the power cable before completing all wiring connections.
5. User can choose an Explosion Proof type for the installation to a potentially explosive
location so check if the purchased instrument is the Ex-proof type when installing to a
potentially explosive location. Also, a safety barrier should be installed when installing to
a potentially explosive location. (Safety Barrier grounding: 1 Class grounding)
6. Do not disassemble, alter or repair it as they can cause malfunction, abnormal working,
fire or electric shock.
7. Turn the main power switch off before mounting or dismounting this instrument in
order to prevent possible electric shock, malfunction, or breakdown.
8. The using ways that are not designed by the manufacturer may cause damages or
losses on property.
DANGER
DANGER
DANGER
DANGER
It is highly recommen
It is highly recommen
It is highly recommen
It is highly recommended not to touch the Input/Output terminal unit directly as it can
ded not to touch the Input/Output terminal unit directly as it can
ded not to touch the Input/Output terminal unit directly as it can
ded not to touch the Input/Output terminal unit directly as it can
cause an
cause an
cause an
cause an electric
electric
electric
electric shock
shock
shock
shock....
