Calex PCAN21 Benutzerhandbuch - Seite 4

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DISTANCE AND SPOT SIZE

The size of the area (spot size) to be measured determines the distance between the sensor and

the target. The spot size must not be larger than the target. The sensor should be mounted so

that the measured spot size is smaller than the target.

AMBIENT TEMPERATURE

The sensor is designed to operate in ambient temperatures from 0°C to 90°C.. For ambient tem-

peratures above 90°C, an air/water-cooled housing will be required.

Avoid thermal shock. Allow 20 minutes for the unit to adjust to large changes in ambient tem-

perature.

ATMOSPHERIC QUALITY

Smoke, fumes or dust can contaminate the lens and cause errors in temperature measurement.

In these types of environment the air purge collar should be used to help keep the lens clean.

ELECTRICAL INTERFERENCE

To minimise electromagnetic interference or 'noise', the sensor should be mounted away from

motors, generators and such like.

WIRING

Check the distance between the sensor and the connected instrumentation. If necessary, the

sensor can be ordered with a longer cable attached.

POWER SUPPLY

Be sure to use a 12 to 24 V DC (50mA max.) power supply.

MECHANICAL INSTALLATION

All sensors come with a 1m cable and a mounting nut. The sensor can be mounted on brackets

or cut outs of your own design, or you can use the fixed and adjustable mounting bracket acces-

sories which are shown below. Note: The sensor must be grounded at only one point, either the

cable shield or the sensor housing.

Fixed Bracket

Adjustable Bracket

15.0

Ø16.0

12.0

9.0

60° Rotation

45.0

40.0

50.0

25.0

50.0

25.0

48.0

2 x Mounting Holes M4 Clearance

24.0

9.0

60° Rotation

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