Airflow PT-LE Operating Instructions Manual Download Page 5

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Operating Instructions PT-LE

1.4.

Symbols

The symbols below in these operating instructions point to the risks, which could
arise in handling the equipment:

WARNING!

It points to a hazard possibly extending from injures through

to death should the instructions not be followed.

CAUTION!

It points to a hazard which could cause considerable

damage should the instructions not be followed.

INFORMATION!

This indicates information, which is vital for proper

appliance operations.

Summary of Contents for PT-LE

Page 1: ...1 Differential Pressure Transducer PT LE Operating Instructions...

Page 2: ...bols 5 2 Description oft he Transducer 6 3 Startup 6 3 1 Functional Description 6 3 2 Supply Voltage Connections in the Appliance 6 3 3 Connections for Two Wire System 7 4 Resetting Offset 7 5 Configu...

Page 3: ...e entire service life of the transducer x They must be passed on to the succeeding personnel charged with operations x Any additions coming from the manufacturer must be inserted The manufacturer rese...

Page 4: ...rsons as assigned by the plant operator are to operate the transducer Do not perform any functional test involving compressed or breathable air This would otherwise damage those transducers with low m...

Page 5: ...dling the equipment WARNING It points to a hazard possibly extending from injures through to death should the instructions not be followed CAUTION It points to a hazard which could cause considerable...

Page 6: ...ically mounted on a wall not subject to any vibrations To stop any condensed water entering the measurement cell the transducer together with the hose connections for positive gauge pressure and negat...

Page 7: ...4 3 2 1 5 4 3 2 1 4 Resetting Offset After starting the pressure transducer give it some 15 minutes to warm up During this time the output signal may be unstable Zero point calibration of the applianc...

Page 8: ...teaching of 4 measuring ranges into the appliance has been undertaken by the manufacturer The switches 1 and 2 of SW can be used to select the measuring range in question before the transducer is swi...

Page 9: ...s output so that any adjusted time delay will also cause a delay in relay triggering 9 In case of Malfunctions Fault descritpion Possible cause Corrective action No output signal Supply voltage is not...

Page 10: ...k Ohm 0 4 20 mA RL 500 Ohm 4 20 mA two wire 17 32 V RL 500 Ohm Switching contact optional max 230 VAC 6 A min 500 mW Display optional 3 digit LCD Overload range from 2 5 kPa 50 kPa 2 5 kPa 10 kPa 140...

Page 11: ...Operating Instructions PT LE 11 11 Dimensional Drawing no LCD with LCD...

Page 12: ...er and supplier in a wide variety of industries Originating from the Netherlands Observator has grown into an internationally oriented company with a worldwide distribution network and offices in Aust...