SMC Networks PF2W7 Series Operation Manual page 6

■Do not touch the terminals and connectors while the power is on.
Otherwise electric shock, malfunction or damage to the product can result.
■Do not touch the piping or its connected parts when the fluid is at high temperature.
It may lead to burnt.
Ensure the piping cools sufficiently before touching.
■After maintenance is complete, perform appropriate functional inspections and leak tests.
Stop operation if the equipment does not function properly or there is a leakage of fluid.
When leakage occurs from parts other than the piping, the product might be faulty.
Disconnect the power supply and stop the fluid supply.
Do not apply fluid under leaking conditions.
Safety cannot be assured in the case of unexpected malfunction.
■NOTE
○Follow the instructions given below when designing, selecting and handling the product.
●The instructions on design and selection
described below must also be followed.
maintenance, etc.)
Product specifications
Use the specified voltage.
Otherwise failure or malfunction can result.
Insufficient supply voltage may not drive a load due to a voltage drop inside the product.
Verify the operating voltage of the load before use.
Do not exceed the specified maximum allowable load.
Otherwise it can cause damage or shorten the lifetime of the product.
Data stored by the product is not deleted, even if the power supply is cut off.
(writing time: 1000000 cycles.)
The applicable fluids are that the product for water is applicable for 0 to 50
temperature fluid is applicable for 0 to 90
of 3 mPa s (3 cP) or less.
●
Measurement accuracy is not guaranteed if other fluids are used.
Do not use fluids containing chemicals, synthetic oils, organic solvents, salt or corrosive gases.
Using such fluids can result in malfunction and damage to the product.
Check the details of the specifications before use.
Before designing piping confirm the pressure loss at the sensor from the pressure loss graph.
Confirm pressure loss of the sensor from the characteristics data.
Consider measures to prevent over pressure due to water hammer.
<Measures to reduce water hammer>
1. Install a water hammer relieving valve.
2. Use a flexible material for piping (such as a rubber hose) and an accumulator that can absorb impact pressure.
3. Keep piping as short as possible.
Use the specified measurement flow rate and operating pressure.
Otherwise it can cause damage to the product or inability to measure correctly.
Reserve a space for maintenance.
Allow sufficient space for maintenance when designing the system.
Caution
(installation, wiring, environment, adjustment, operation,
o
C and ethylene glycol 50% solution (0 to 90
-5-
o
C and the product for high
o
C) with viscosity
No.PF※※-OMO0012-D