Important Information and Warnings

FG

Power supply unit

Earthing of FG terminal

AC input

DC output

Surge absorbing circuit

①For stability, use a regulated direct current power supply.

 Surge absorbing devices（diodes, varistors, etc.）are necessary if inductive loads such as relays or

solenoids are connected to the same circuit as the PG-35H.

 If using a DC power supply unit such as a switching power supply, the FG terminal should be earthed. Do

not wire in parallel to high tension cables or power lines, or use cable ducts which contain high tension

cables or power lines.

②Be careful not to crimp any wires during handling, or put any pressure on the display area of the main body

while assembling piping.

③Use pH neutral detergents to clean the body. Do not use solvents such as thinners.

④This product is dust proof and drip proof（IP65 of IEC standards）and is not suitable for use in

environments requiring higher standards.

 Also, do not use this product in an environment with a possibility of product being covered by liquids other

then water（Such as oil, solvent, and etc.）and outdoor.

⑤Do not use pointed objects such as pens to press the setting buttons on the display panel, as this may push

holes in the setting buttons and damage them.

⑥Do not insert wires, etc. in the pressure port, as this may damage the internal diaphragm and cause

malfunctioning.

⑦The PG-35H series do not have an explosion proof structure.

Do not use it for the detection of flammable gases.

⑧When analog output is supplied to a noise-sensitive device,a

low-pass filter is requested in a customer's circuit.

⑨Countermeasures for noise interference:

 Please connect either the shield wire or the metal part of the

product to frame ground（FG）of the power source.

⑩In case a wire extension is needed, please use a shielded

wire.

Nishi-Shinjuku Kimuraya Bldg., 7-5-25

Nishi-Shinjuku, Shinjuku-ku, Tokyo 160-0023 Japan Phone：

（03）3364-7055

For more detailed information please ask for the nearest

distributor or the following sales center.

Thank you for purchasing a

NIDEC COPAL ELECTRONICS CORP. product.

In order to use the product correctly and most

appropriately, please completely read this manual before

use and keep it for future reference.

SMALL SIZE PRESSURE GAUGE

PG-35H

1