-5-
PS##-OMM0003-A
■NOTE
○Follow the instructions given below when designing, selecting and handling the product.
●The instructions on design and selection (installation, wiring, environment, adjustment,
operation, maintenance, etc.) described below must also be followed.
∗Product specifications
•The direct current power supply to combine should be UL approved as follows.
Circuit (of Class2) which is of maximum 30 Vrms (42.4 V peak) or less, with UL1310 Class2 power supply unit or
UL1585 Class2 transformer.
•The Pressure switch is a approved product only if it has a mark on the body.
•Use the specified voltage.
Otherwise failure or malfunction can result.
•Do not exceed the specified maximum allowable load.
Otherwise it can cause damage or shorten the lifetime of the Pressure switch.
•Design the product to prevent reverse current when the circuit is opened or the product is forced to operate for
operational check.
Reverse current can cause malfunction or damage to the product.
•Input data to the Pressure switch is not deleted, even if the power supply is cut off.
(Writing time: 1,000,000 times, Data duration: 10 years after power off)
•Applicable fluid is a fluid that does not corrode SUS630 and SUS304.
Do not use a fluid containing chemicals, synthetic oils including organic solvent, salt and corrosive gases.
Otherwise, damage to the product and malfunction can result.
Check the details of the specifications before using.
•Use the specified measurement flow rate and operating pressure.
Otherwise it can cause damage to the Pressure switch or inability to measure correctly.
•Reserve a space for maintenance.
Allow sufficient space for maintenance when designing the system.
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