E-16
1. Pressure port is divided as basic and option specifi cation.
Therefore, be sure that to use commercially available 
one touch fi tting. (Standard:  R(PT)1/8", Option: NPT1/8", 
7/16"-20UNF)
2. Please connect it by using spanner(12mm, 17mm) at 
the metal part in order not to overload on the body when 
connecting one touch fi tting.
3.Two different fixing brackets are provided for PSAN 
model. Select proper one with considering your 
application environments.
4. At first, please unscrew hexagon wrench bolt and 
assemble the bracket on this unit by fi xing hexagon the 
wrenchbolt.
The tightening torque of one touch fitting should be 
max.100kgf
.
cm. If not, it may cause mechanical problem.
In this case, tightening torque of hexagon wrench should 
be max. 30kgf
.
cm. If not, it may cause mechanical problem.
PSAN Series
F.G.
Ground
PSAN Series is for sensing of non corrosive gas. 
Do not use this product at corrosive gas or fl ammable 
gas, etc.
Switching
mode
Power
Supply
+
-
Spring washer
Hexagon wrench bolt
(M3x6)
Panel mounting bracket
(PSO-B02)
Protection
cover
(PSO-P01)
Body
(PSAN)
Bracket panel
 Installation  Proper usage
 
Caution
 
Caution
 
Caution
5. Bracket(PSO-B02) and front protection cover (PSO- P01) 
are sold separately. Please see the pictures for installation.
• Please using this unit within the range of specification, if 
applying pressure is larger than specification, it may not 
be working properly due to damage.  
•  After supplying power, it takes 3 sec. to work.
• When using switching mode power supply, frame ground 
(F.G.) terminal of power supply should be grounded.
• It may cause malfunction by noise, when wiring with 
power line or high voltage line.  
• Do not insert any sharp or pointed object into pressure 
port. It may cause mechanical problem due to sensor 
damage.
• Do not use this unit with flammable gas, because this is 
not an explosion proof structure.
• Be sure that this unit should not be contacted directly with 
water, oil, thinner, etc.
• Wiring must be done with power off.
17mm
Spanner
<Fluid type>
12mm
Spanner
<Pneumatic type>