5
Temperature, position »M«:
-20.0 -
200 °C
with infrared sensor IR 40.
If the measured value exceeds the measuring capacity, the figure »1« appears on the left side
of the display screen (3).
Battery Check
Set selector switch (4) to position »Batt« and press measuring key (5). The reading displayed
should be higher than 7.5 digits. If it is 7.5 digits or lower, the battery is exhausted and
should be replaced or recharged if a rechargeable battery is being used. The cover of the bat-
tery compartment can be lifted by means of a coin inserted into the slot.
It is recommendable to replace or recharge the battery once the reading of the battery check
is between 8.0 and 7.5 digits.
Power Source
The meter is fitted, as standard, with a 9 V dry battery IEC 6 F 22 or IEC 6 LF 22.
It is recommended to use alkali-mangan batteries.
A rechargeable nickel-cadmium battery can be fitted (optional accessory). It can be recharged
from any A.C. lighting supply socket by means of the charging unit supplied with this special
battery.
Calibration
The meter is fitted with an electronic setting device, making manual calibration or adjustment
unnecessary.
Summary of Contents for HYDROMETTE HB 30
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