Heath-consultants Hi Flow Sampler Manual de usuario descargar pdf (Pagina 44)

Maintenance Hi Flow



Sampler

44 Instruction 0055-9017

4 Maintenance

Routine maintenance of the Hi Flow



Sampler consists of the following:

• Charging the battery pack

• Replacing the internal filters

• Replacing the gas sensors

• Verifying flow rate

• Setting the time and date

• Resetting the microprocessor

4.1 Electrostatic Discharge Precautions

CAUTION: Electrostatic discharge (ESD) can destroy sensitive electronic components

inside the Hi Flow



Sampler when its cover is removed.

When performing any maintenance procedure that requires the Hi Flow



Sampler’s

cover to be removed, take the following precautions to prevent ESD from possibly

destroying sensitive electronic components on the main circuit board:

• Make sure you have a reliable ground point available near the work site

• Connect your body to the ground point using a wrist strap

• Always stand on an approved conductive floor mat when touching or handling

equipment

• Ground all equipment you are working on with ground straps

• Handle components only on a grounded anti-static work surface

• Do not wear clothing that generates static electric charges every time you move

• Do not handle static generating objects while working

• Maintain relative humidity in the work area between 40 and 50%

4.2 Charging the Battery Pack

WARNING: Explosion hazard! DO NOT charge the battery pack in an unsafe

atmosphere.

1. Unplug battery pack from the instrument’s power cord; then remove battery pack

from backpack.

2. Interconnect the supplied power supply, power cord, and charger as shown in

Figure 4-1. Then plug the output of the charger into the battery pack’s charger jack.

Note: Connecting the charger to the Battery Pack disables the battery’s output, making

it impossible to both charge the battery and run the instrument.

3. Allow a completely discharged battery pack to charge from 8 to 10 hours.

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Heath-consultants Hi Flow Sampler Manual de usuario Pagina 44

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