Page 10 of 28
5
Service & Maintenance Requirements
The Pulse unit requires regular maintenance and calibration to ensure correct measurement. The following
service schedule should be maintained for all testing. A fully serviced Pulse unit is mandatory for regulatory
testing and where testing results are intended to be used to demonstrate improvements which may be later
monetised or promoted.
Please contact BTS Ltd directly to discuss your intended use of the system and the associated servicing,
calibration, user training and test regime requirements.
5.1
User Maintenance and Inspection
To assure that all testing is carried out safely and accurately, and to ensure that your Pulse unit maintains its
performance for as long as possible, please follow the schedule below:
Action
How Often Notes
Guidance
Drain Main
Tank
Weekly
When filling the main tank,
moisture from the air will collect in
the tank, this needs to be removed
weekly to ensure optimum
performance and accuracy.
Trigger the ‘drain air receivers’ setting
while the tank is pressurised at around
2-5Bar. Note the drain is in the base of
the unit and a pool of moisture may be
released so take care if draining on
carpets or wooden floors.
Hose,
connectors
and cables
check
Weekly
Check all hoses, data cables,
connectors and electrical cables for
security, damage or wear and
replace if damaged.
This is to ensure safe and efficient
operation but also poor data
connections can lead to missing data
packets and unnecessary failed tests.
System
airtightness
test
Annually
Ensuring there are no leaks in your
system will ensure fast charging
and maximised testing accuracy.
Charge the tank to 10bar, leave the full
system (air receiver and compressor)
pressurised for 2-3hours, observe any
pressure changes with the live feed of
the tank pressure on the screen. Report
leaks to service provider.
Self-
calibration
checks
6 monthly
Ensuring the system is providing
results in line with a correctly
calibrated system.
Using a self-calibration known-opening
panel, carry out testing as per
description in Appendix A – Annual Self
Calibration Check
5.2
Expert Servicing and Calibration
It is the responsibility of users to service and report servicing to any authorised regulatory body for which system
calibration is a requirement.
Regulatory bodies may prescribe their own calibration requirements, otherwise, BTS recommends the following
expert/third-party calibration.
Component
Description
Range
Accuracy
Calibration
standard
required
Calibration
Frequency
Full System
Full system test in a
fully characterised
enclosure
±25 Pa
±5%
Calibration
checked as a
whole system,
traceable to
national
standards.
1
Individual sensors
calibrated to
UKAS.
2
24 Months
Air receiver
temperature
sensor
Measuring
temperature inside
the receiver (i.e.
inside the pressurised
air tank)
-40
℃
to
60
℃
± 0.5 °C
24 Months
Air receiver
pressure sensor
Measuring pressure
inside the receiver
1-11 bar
(Absolute)
±0.1 bar
24 Months
