JAC HFC4DA1-2C, Maintenance Manual

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IP Instrument Instrument Instrument Instrument and and and and Warning Warning Warning Warning System System System System
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Specification Specification Specification Specification
Technical
Technical Technical
Technical parameter
parameter parameter
parameter of
of of
of the
the the
the instrument
instrument instrument
instrument
Item Technical parameter Remark
Operating temperature range of the
instrument
-30
℃～
65
℃
Storage temperature range of the
instrument
-40
℃～
75
℃
Operating voltage range of the
instrument
10.8V
～
16V
Static operating current of the instrument
〈
3mA
Item Technical parameter Remark
Speedometer
The tolerance of speedometer indication errors
should be equal to or under ±2%.
①
Elementary errors of speedometer under
higher speed shall be according to the
agreement
of the customer and
manufacture.
②
The error for upper limit shall not be
reviewed.
③
In the case of special requirements of
customers, the elementary errors shall be
reviewed
according to enterprise
standard approved via specified
procedures or customers’ requirements.
Tachometer
The elementary errors of the tachometer
should be equal to or under ±10% under low
speed and ±10% under medium and high
speed.
①
Under low speed, the error shall be equal
to or smaller than 30% of scale upper
limit.
②
Under medium and high speed, the
error shall be larger than 30% of scale
upper limit.
③
In the case of special requirements of
customers, the elementary errors shall be
reviewed
according to enterprise
standard approved via specified
procedures or customers’ requirements.
Fuel gauge
The elementary errors of the fuel gauge
should not exceed ±8% of scale full arc
length.
In the case of special requirements of
customers,the elementary errors shall be
reviewed according to enterprise standard
approved
via specified procedures or
customers’ requirements.
Water temperature gauge
The elementary errors of the water
temperature gauge should not exceed ±6%
of scale full arc length.
In the case of special requirements of
customers,the elementary errors shall be
reviewed according to enterprise standard
approved
via specified procedures or
customers’requirements.