ONLINE ELECTRONICS LTD
3014X ATEX EM TRANSMITTER MANUAL RevB00
Page 6 of 16
3.
OPERATION
THE SPECIAL CONDITIONS FOR SAFE USE DETAILED IN SECTION 7 APPENDIX A –
ATEX SPECIFIC INSTRUCTIONS OF THIS MANUAL MUST BE OBSERVED AND
FOLLOWED AT ALL TIMES
WARNING 1 – THE TRANSMITTER SHOULD ONLY BE OPENED IN A CLEAN, DRY,
LABORATORY ENVIRONMENT.
WARNING 2 – TO PREVENT THE FORMATION OF CONDENSATION WITHIN THE
TRANSMITTER ALLOW THE TRANSMITTER TEMPERATURE TO STABILISE WITHIN THE
LABORATORY ENVIRONMENT FOR A MINIMUM OF 6 HOURS PRIOR TO OPENING.
WARNING 3 – IF THE TRANSMITTER IS BEING OPENED FOR THE FIRST TIME AFTER
IMMERSION IN PIPELINE PRODUCTS THEN EXPECT SOME LIQUID TO BE PRESENT
WITHIN THE ENDCAP THREADS. CARE SHOULD BE TAKEN WHEN OPENING THE UNIT
TO ALLOW ANY LIQUID TO DRAIN OUT OF AND NOT IN TO THE TRANSMITTER.
WARNING 4 – REPLACE ALL BATTERIES AT THE SAME TIME. NEVER USE A MIX OF
NEW AND USED BATTERIES. NEVER USE A MIX OF BATTERIES FROM DIFFERENT
BATCHES. USE ONLY ELECTROCHEM 3B0035-TC LITHIUM D CELLS. ALWAYS OBSERVE
CORRECT BATTERY POLARITY AND USE OF THE BATTERY DISC. REFER TO SECTION
3.9 LITHIUM BATTERY SAFETY FOR FURTHER INFORMATION.
WARNING 5 – IF THE TRANSMITTER IS TO BE PLACED IN STORAGE ALWAYS ENSURE
THAT IT IS TURNED OFF AND THE BATTERIES REMOVED AND STORED SEPARATELY.
3.1.
TURNING ON
1.
Familiarise yourself with all warnings given at the start of Section 3 OPERATION.
2.
To turn the transmitter on, fully tighten the bleed screw using a 10mm AF Allen key. Do
not use excessive torque. The transmitter takes approximately 5 seconds to turn on. Note
that the transmitter is usually shipped with a Nylon washer under the bleed screw to
prevent accidental activation during transport. This must be removed before the
transmitter can be turned on.
3.
Use an EM receiver system to confirm that the transmitter is functioning properly at the
expected pulse rate.
3.2.
TURNING OFF
1.
Familiarise yourself with all warnings given at the start of Section 3 OPERATION.
2.
To turn the transmitter off, loosen the bleed screw 3 full turns using a 10mm AF Allen key.
To prevent the bleed screw being lost, or the transmitter accidentally being turned back
on, the bleed screw should be held in this position with some tape.
3.
Use an EM receiver system to confirm that the transmitter has turned off.