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8.1.3 Adjustments
A programming handset is required to make adjustments to the calibration and temperature
compensation. The programming handset also provides the function of displaying the volume,
temperature compensated volume, and the recorded temperature for the measurement. The
handset can only be connected by removing the seals to the connector covers (figure 53).
The procedure for making adjustments to the meter calibration is to disable the temperature
compensation function before performing either a mechanical or electronic calibration. The
handset is then used to enable/disable and program temperature compensation functions (such
as fuel density type), and provide an electronic calibration sequence.
8.1.3.1 Electronic calibration
To calibrate electronically, the handset is used to record the volume dispensed into a measuring
vessel (unadjusted for temperature) and the associated amount displayed on the calculator
indicator.
8.1.3.2 Temperature compensation
Programming the temperature compensation functions, including setting fuel type/density, are
described in the Technical Manual Ref: 941005-001 Revision 1.X, where “X” may be any
number representing a minor revision.
8.1.4 Sealing
8.1.4.1 The connectors for the handset are either behind a single steel lid sealed with a
wire and seal, or behind individual small steel plates that may seal an individual pulser
communication connection (figure 53).
8.1.4.2 The meter is sealed as shown in figures 54 and 55. This ensures that the
temperature probe is secured by the sealing wire. Alternatively the probe may be fitted through
an elbow connection at the meter outlet, in which case a sealing wire is routed through the
probe head and around the pipe connection.
8.1.5 Conditions
8.1.5.1 For dispensers providing temperature compensation, the primary indicator
(dispenser display) shall clearly indicate that the volume dispensed is corrected to 15°C.
8.1.6 Recommended tests
8.1.6.1 Check that the correct software version is installed on the programming handset
before any adjustments are made. Software versions: 01.07, 01.08 and 01.09.
(98 paginas)
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