ACOEM Met One Instruments GAS-1060, Руководство пользователя

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Service Page 105
Monthly Perform precision check (pre-check) prior to
commencing any service tasks or making any changes
to the system as found in its current state. This task is
necessary to validate any previously captured data. 5.6
Check particulate filter, replace if full/dirty 6.3.2
Perform a pressure check 6.3.8
Check sample inlet system for moisture or foreign
materials. Clean if necessary
Check fan filter and clean if necessary 6.3.3
Check event log 3.4.1
Check date and time is correct 3.4.8
Check instrument status light 3.3.1
External vacuum pump check (vacuum source)
Or
Internal pump check
Leak check 6.3.6
Perform a manual background, record background
reading ensure it is less than 600 Mm-1. Observe the
trend and if the reading will increase to > 650 Mm-1
within the next 6 months perform a background
scrubber DAU check. 6.3.1
Perform NO
2
span calibration 5.5
Perform precision check (post-check) once all service
tasks have been completed. This task is necessary to
establish a valid start point to begin capturing new
data. 5.6
3 Monthly Replace sample DFU (depending on site conditions) * 6.3.4
6 Monthly Perform multipoint precision check 5.7
Calibrate analog outputs (only if used) 3.4.25
Yearly Replace Background Scrubber DAU (depending on
site conditions) * 6.3.5
Flow check, replace or clean orifice (only if necessary)
* Suggested intervals for maintenance procedure are a guide only and may vary with sampling intensity and/or
environmental conditions. Please refer to your local regulatory standard for your personalised maintenance
schedule.