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Business > Industrial Devices > Automation Controls Top > FA Sensors & Components > Pressure Sensors / Flow Sensors > Pressure Sensors / Flow Sensors > Dual Display Digital Pressure Sensor [For Gas] DP-100L > Cautions For Use

Dual Display Digital Pressure Sensor [For Gas] DP-100L

Cautions For Use

・ This catalog is a guide to select a suitable product.
Be sure to read instruction manual attached to the product prior to its use.

・	This catalog is a guide to select a suitable product. Be sure to read instruction manual attached to the product prior to its use.

Never use this product as a sensing device for personnel protection.
In case of using sensing devices for personnel protection, use products which meet laws and standards, such as OSHA, ANSI or IEC etc., for personnel protection applicable in each region or country.
The DP-100L series is designed for use with non-corrosive gas.
It cannot be used with liquid or corrosive gas.

Wiring

Make sure that the power supply is off while wiring.
Verify that the supply voltage variation is within the rating.
If power is supplied from a commercial switching regulator, ensure that the frame ground (F.G.) terminal of the power supply is connected to an actual ground.
In case noise generating equipment (switching regulator, inverter motor, etc.) is used in the vicinity of this sensor, connect the frame ground (F.G.) terminal of the equipment to an actual ground.
Do not run the wires together with high-voltage lines or power lines or put them in the same raceway. This can cause malfunction due to induction.
Incorrect wiring will cause problems with operation.

Connection

Do not apply stress directly to the connection cable leader or to the connector.

Mounting

MS-DP1-1 / MS-DP1-5 sensor mounting brackets are available separately, and it should be used for mounting.
When tightening the sensor to the sensor mounting bracket, use a tightening torque of 0.5 N·m or less.

The MS-DP1-2 panel mounting bracket (optional) and the MS-DP1-3 front protection cover (optional) are also available.

The MS-DP1-4 panel mounting bracket is available when switching from the DP2 / DP3 series.

The MS-DP1-7 conversion bushing is available. It can be used to switch between this model and the DP2 / DP3 series.
When connecting to the pressure port, use a tightening torque of 1.0 N·m or less.

The MS-DP1-F□ flat attachment is available. If using the MS-DP1-F□ flat attachment (optional), install by following the procedures given below.

(1)Decide the direction of this product to mount with the sensor.

Note:It is not possible to mount this product such that the pressure port faces upward.

(2)Mount this product with the M3 female threads of the sensor by using the attached M3 (length 8 mm 0.315 in) screws. The tightening torque should be 0.5 N·m or less.

(3)Mount this product with the mounting surface by using the attached M4 (length 20 mm 0.787 in) screws. The tightening torque should be 1.2 N·m or less.

Note: Take care that if the cable with connector is sticking out of the side groove of this product when mounting, the cable may disconnected.

Conditions in use for CE and UKCA conformity

The DP-100 series is a CE and UKCA conformity product complying with EMC Directive. The harmonized standard with regard to immunity that applies to this product is EN 61000-6-2 and the following condition must be met to conform to that standard.

Piping

If connecting a commercially-available joint to the pressure port of the sensor, hold the main unit in your hand to steady it, and tighten to a torque of 1 N·m or less.
If it is tightened to an excessive torque, the joint or the main unit may become damaged.
If connecting a commercially-available joint to the pressure port of the MS-DP1-7 conversion bushing, tighten to a torque of 9.8 N·m or less.

The tightening torque should be 1 N·m or less when connecting a coupling to the pressure port of MS‑DP1‑FM flat attachment.

When connecting the coupling to the pressure port of MS‑DP1‑FR/FE/FN flat attachment, hold the pressure port with a 14 mm 0.551 in spanner and make sure that the tightening torque is 9.8 N·m or less.
In addition, in order to prevent any leakage, wind a sealing tape on the coupling when connecting.

Note: Do not tighten the pressure port by holding the product with the spanner.
It may cause the product breakage.

Flat attachment MS-DP1-F□

Make sure to mount MS-DP1-F□ with the sensor properly.
If it is not mounted properly, air leakage may occur.
Take care that the excessive mounting and dismounting of this product may cause deterioration of the O-ring.
If you touch the O-ring of MS-DP1-F□, or any scratch or dust, etc. is attached to it, air leakage may occur and the sensing performance may deteriorate.
Take sufficient care when using and storing MS-DP1-F□.

Others

This product has been developed / produced for industrial use only.い。
Use within the rated pressure range.
Do not apply pressure exceeding the pressure withstandability value. The diaphragm will get damaged and correct operation shall not be maintained.
Do not use during the initial transient time (0.5 sec.
approx.) after the power supply is switched on.
Avoid dust, dirt, and steam.
Take care that the sensor does not come in direct contact with water, oil, grease, or organic solvents, such as, thinner, etc.
Do not operate the keys with pointed or sharp objects.