Simtronics DM-TT6-K, Operating Manual

Page: 45 / 60

MultiXplo / MultiTox
Page 45 / 60 NOSP15759-Rev 10
7. MAINTENANCE
The interventions described in this chapter must be performed by competent and
qualified staff. Device performances may be affected if present instructions are
not respected.
Cartridge unplug or device opening imperatively require power to be OFF.
Zero adjustment does not affect the sensitivity of the detector and vice versa.
7.1. Power off / opening of housing
All the power supply wires must be cut to put unpowered the detector
7.2. Periodic maintenance
We recommend re-calibration of the smart sensor every six months. Correct the zero point if
needed.
7.2.1. Preventive maintenance
A gas test is recommended every six months. Run a calibration if necessary. A zero point
calibration with clean air has to be done first.
We recommend using gas mixture with the target gas at 50% of the measuring
range. The complement of the mixture should be Air for DM-TX6-X and air or
Nitrogen for DM-TT6-K.
Periodicity of the maintenance should be adjusted (reduced) if the device is
exposed to the conditions defined by the IP rating.
If the detector enters in ambiguity mode, a test of the zero point and a calibration are
recommended. We recommend cleaning the communication head window at the same time.
For any other operation, please contact your supplier or our technical services.
7.2.2. Corrective maintenance
If the detection unit or the PLC signals a detector’s fault, the detector must be tested directly
with the wireless communication tool to determine the type of fault.
If the detector is configured in 0-22 mA output, it is possible to have a pre-diagnostic of the
fault.