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IV. LABELING AND SEALING
Information on the basic technical parameters of the gas meter along with the serial
number and manufacture year is listed on type plates (Figs. 9a and 9b) screwed to the index
head. The direction of gas flow is marked on the upper side of the meter body (red arrow)
and there are labels indicating electrical (HF) and mechanical outputs as well as pressure
and temperature measurement outputs on the meter (Fig. 11).
Fig. 9a. Type plates – standard version