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9. SPECIFICATIONS
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Principle of measurement:
NO,
SO
2
, CO
2
, CO, CH
4
;
Non-dispersion infrared-ray absorption
method
Single light source and double beams
(double-beam system)
O
2
; Exclusive zirconia O
2
sensor (externally
installed). Model: ZFK7
Measurable gas components and measuring range:
Minimum range
Maximam range
NO
0 - 100ppm
0 - 5000ppm
SO2
0 - 100ppm
0 - 10vol%
CO2
0 - 100ppm
0 - 100vol%
CO
0 - 100ppm
0 - 100vol%
CH4
0 - 200ppm
0 - 100vol%
O2
(External Zirconia)
0 - 10vol%
0 - 25vol%
s
Max. 3 components measurement including O
2
.
s
Measuring range ratio
1:5 (O
2
sensor)
1:25
(except for O
2
sensor)
s
Measuring ranges are changeable between the
specified minimum and maximum range
Settable one range or two ranges
*
For measurable components and possible combinations
of measuring ranges, refer to Tables 1-(1) to (3).
Measured value indication:
Digital indication in 4 digits
(LCD with back light)
s
Instantaneous value of each component
s
Instantaneous value after O
2
conversion
(only in NO, SO
2
, CO sensor with O
2
sensor)
s
Average value after O
2
conversion
(only in NO, SO
2
, CO sensor with O
2
sensor)
Analog output signals:
4 to 20mA DC or 0 to 1V DC,
non-isolated output ; 7 points max.
Analog output corresponds to mea-
sured value indication in 1:1.
max.load
550
ȍ
. for 4 to 20 mA DC
min.load
100k
ȍ
. for 0 to 1V DC
* Refer to Table 2, for the channel No.
of displayed values and analog output
signals.
Analog input signal:
For signal input from externally installed
O
2
sensor.
Signal requirement;
(1) Signal from Fuji’s Zirconia O
2
sen-
sor (TYPE: ZFK7)
(2) 0 to 1V DC from an O
2
sensor
Input section is not isolated.
(Depend on O
2
input signal, measured
concentration indication and O
2
conver-
sion.)
Relay contact output:
1a contact (250V AC/2A, resistive load)
Instrument error, calibration error,
range identification, auto calibration
status, pump ON/OFF.
solenoid valve drive signal for auto
calibration, auto calibration end.
1c contact (250V AC/2A, resistive load
selectable 6 outputs)
High/Low limit alarm contact output.
* All relay contacts are isolated mutu-
ally and from the internal circuit.
Contact input:
No-voltage contact (ON/0V, OFF/5V
DC, 5mA flowing at ON)
* For ZRG (ON/5V, OFF/0V)
Remote range switch, auto calibra-
tion remote start, remote holding,
average value reset.
Isolated from the internal circuit with
photocoupler. Contact inputs are not
isolated from one another.
Power supply:
Voltage rating ; 100V to 240V AC
Allowable range ; 85V to 264V AC
Frequency
;
50Hz/60Hz
Power consumption; 250VA max.
Operating conditions:
Ambient temperature ; -5°C to 45°C
Ambient humidity
; 90% RH max.,
non-condensing
Storage conditions:
Ambient temperature; -20°C to 60°C
Ambient humidity
; 95% RH max.,
non-condensing
Dimensions (H x W x D):
Analyzer main unit;
835 x 218 x 202mm
Mass:
Approx. 16 kg
Finish color:
Front panel; Off-white (Munsell 10Y7.5/0.5
or equivalent)
Enclosure:
Steel casing, for indoor use
Material of gas-contacting parts:
Gas
inlet/outlet;
Teflon
Sample cell; SUS304,chloroprene rubber
Infrared-ray transmitting window; CaF
2
O
2
sensor sample cell : SUS316
Internal piping; Toaron, Teflon
Gas inlet/outlet:
Rc
1/4
or ø6 hose end
Purge gas flow rate:
1L/min ( when required)
