SENKO SI-100C, Operating Manual

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Copyright SENKO CO., LTD.
LED
Zero: RED / Span: Orange
LEL CO H2S O2
Max
Range
100% LEL 500 PPM 200 PPM 30% vol.
Gas for
Calibration
ZERO
SPAN
0% LEL
25% LEL
0 PPM
100 PPM
0 PPM
50 PPM
0 % vol.
20.9 % vol.
Flow rate 300 cc/min 300 cc 300 cc 300 cc
Time needed
for
calibration
ZERO: at once
SPAN: 120s
ZERO: at once
SPAN: 120s
ZERO: at once
SPAN: 120s
ZERO: 120s
SPAN: 120s
NOTICE
We recommend calibration once every six months, at least once a year. Sensor
’s output going down
as time goes by; measurement error will increase.
Calibration is crucial for the sensor performance and persons relying on this product for their safety.
WARNING
Do not Fresh Air Calibration unless you are certain you are in fresh,
uncontaminated air; otherwise, inaccurate readings can occur which can
false indicate that a hazardous atmosphere is safe. If you have any doubts as to the quality of the
surrounding air, do not use the Fresh Air Calibration feature. The calibration check is required to verify
span accuracy. Failure to follow this warning can result in serious personal injury or death.
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