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2. Standard Functions
Function
O
Correction
2
Auto Calibration
Average Value
after O
Correction,
2
average value
O
2
Remote Output Hold
Average Value
Resetting Input
Automatic range changeover
Remote range
Changeover Input
Range Identification
Contact Output
Concentration
Alarm Contact Output
CO Instantaneous
Value Peak Count Alarm
Contact Output
Analyzing Block
Error Contact Output
Temperature Input Signal
• Conversion of measured NO
, SO
X
Cs (21-O
Calculating equation : C =
21-O
• The result of conversion is indicated and output in a signal of 4 to 20 mA DC.
• The gas analyzer is automatically calibrated.
• Auto calibration cycle settable range: 1 to 99 hours (1-hour step) or 1 to 40 days (1-day step)
• Auto calibration gas injection time settable range: 60 to 599 seconds (in 1-sec step)
• Auto/manual calibration error contact output: Provided when calibration quantity exceeds 50% of full scale.
• Contact output during auto calibration and maintenance: Provided during calibration gas flow and replacement. Also
provided during maintenance.
• Auto calibration remote start contact input: Calibration starts at opening after short-circuit for 1.5 sec or longer.
• Standard gas consumption: Approx. 1 year with 3.4L cylinder in a calibration cycle of 7 days
• NO
, SO
and CO values are averaged after O
X
2
• Averaging time is settable by key operation at the front of analyzing block. Settable range: 1 to 59 minutes or 1 to 4 hours
(factory-set at 1 hour)
• The output signal values are collectively held according to external contact input.
• Output is held during short-circuit.
• Output and indication of average value after O
• Output and indication are reset at short-circuit for 1.5 sec or longer.
• Automatically changed from low range to high range, and from high range to low range.
Low
High: Changed at 90% point of the low range
High
Low: Changed at 80% point of the high range
• Low or high range is selectable for each sample component via external contact input.
• High range is selected for open-circuit, and low range for short-circuit.
• Identification between low and high ranges is output through a contact.
• When the contact is closed, low range is selected.
• Instantaneous value alarm is settable for each sample component. High, Low, High or Low is settable
(by keys at the front of analyzing block).
• Contact output hysteresis is also settable.
• Contact is 1c type.
• Alarm is issued and indicated when CO instantaneous value has exceeded the set limit by the set number of times.
Settable number of times: 1 to 99, alarm settable range: 10 to 1000 ppm (5 ppm step)
• The number of overshootings per hour is indicated.
• Contact output is provided when the analyzing block is abnormal.
• K thermocouple input x 2 (for recorder available at option)
Description
and CO gas concentrations into values at standard O
2
)
C
: Sample gas concentration after O
N
C
: Measured concentration of sample gas
S
S
O
: Measured O
S
O
: Standard O
N
gas fuel, 6% for coal fuel, 12% for garbage incinerator)
Setting range: 0 to 19%
correction, and the result is indicated and output in 4 to 20 mA DC.
2
conversion are reset according to external contact input.
2
96
concentration
2
correction
2
concentration
2
concentration (4% for petroleum fuel, 5% for
2
INZ-TN2ZSJ-E
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