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8. PC CONNECTION
8.1 Description
The LLX1 display units do not allow connection with a PC; the USB port is not used.
9. MAINTENANCE, CHECKING AND CLEANING
9.1 Battery and power pack status
The icons provide a constant indicator of the state of charge in the sensor batteries and display unit
power pack.
In the event of a weak charge, replace the sensor batteries with 3 new 1.5 V "AA" batteries.
Regularly charge the power pack supplied with the display unit using the dynafor
IMPORTANT: Power pack may be changed only by the manufacturer
Characteristics: Leclanché LiPO 3,7 V / 1300 mAh. Charge 1,3 A max 4,2 V.
9.2 Changing sensor batteries
Using a Phillips screwdriver, remove the battery housing cover.
Place the 3 1.5 V "AA" batteries (or 3 1.2 V "AA" batteries) checking the polarities.
Replace the battery housing cover.
9.3 Regulatory check
9.3.1 Certificate of Adjustment
New appliances come with a certificate of adjustment. This document indicates the values obtained
during adjustment and certifies that the sensor has been adjusted, in compliance with an in-house
procedure, on a calibration bench with its calibration sensor connected to the International Standard
calibrator.
Tractel
®
recommends an annual metrological check for every appliance.
9.3.2 ISO 376 calibration certificate
On request, appliances can be supplied with an ISO 376 calibration certificate.
This document certifies, with figures as proof, that the appliance has been calibrated in compliance with
the ISO 376 Standard, on a calibration bench with its calibration sensor connected to the International
Standard calibrator.
This certificate is valid for a maximum period of 26 months.
Tractel
®
recommends an annual metrological check for every appliance.
9.4 Maintenance
The sensor / display unit assembly requires no specific maintenance other than a regular cleaning with
a dry cloth.
21
™
charger.
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