Fuji Electric ZKJ Series - Page 95

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9. SPECIFICATIONS
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SPECIFICATIONS
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Measurement principle:
NO, SO
2, CO2, CO, CH4, N2O:
Non-dispersive infrared (NDIR) method,
Single light source and double beams (double-beam
system)
O
2:
Built-in paramagnetic O
2 sensor or external zirconia
O
2 analyzer
Measurable gas components and measuring range:
Minimum range Maximum range
NO 0–50 ppm 0–5000 ppm
SO
2
0–50 ppm 0–10 vol%
CO
2
0–20 ppm 0–100 vol%
CO 0–50 ppm 0–100 vol%
CH
4
0–200 ppm 0–100 vol%
N
2
O 0–200 ppm 0–2000 ppm
O
2
(built in) 0–5 vol% 0–25 vol%
O
2
(External Zirconia) 0–5 vol% 0–25 vol%
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2)
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2)
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Settable 1 range or 2 ranges.
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2O only, do not let any other compo-
nents be included in the sample gas.
If you measure multiple components including N
2O,
the measurement ranges of N
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ppm and 0–500 ppm. If the measuring objects are N
2O
and CO
2, the measurement ranges of CO2DUH¿[HGWR
0–10% and 0–20%.
* For measurable components and possible combinations
of measuring ranges, refer to Section 9.3 (1) - (8).
Measured value indication:
Digital indication in 4 digits (LCD with LED back light)
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,QVWDQWDQHRXVYDOXHDIWHU2
2 conversion
(only in NO, SO
2, CO measurement with O2)
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2 conversion
(only in NO, SO
2, CO measurement with O2)
2
2 average value
Analog output signals:
* Inputs/outputs of analog signals are possible by com-
bining with the input/output terminal module.
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circuit and ground. Output lines are non-isolated each
other; 12 points max.
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* Refer to 5.3 (3) Contents of measured channel (Ch)
for channel allocation for each component.
Analog input signal:
Signal from external O
2 analyzer;
(1) Signal from Fuji zirconia O
2 analyzer (ZFK7)
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2 analyzer is a separate order item.
Relay contact output:
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auto calibration status, pump ON/OFF, peak alarm.
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outputs)
High/Low limit alarm contact output.
Power disconnection alarm.
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internal circuit.
Contact input:
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at ON)
Remote range switch, auto calibration remote start, re-
mote holding, average value resetting, pump ON/OFF
Isolated from the internal circuit with photocoupler.
Contact inputs are not isolated from one another.
Transmission output:
Solenoid valve drive signal for automatic calibration.
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Power supply:
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Frequency ; 50Hz/60Hz
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Inlet; Conform to EN60320, Protection Class 1
Operating conditions:
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Storage conditions:
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Dimensions (H x W x D):
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Mass:
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Finish color:
Front panel; Light gray (Munsell N7.2 or equivalent)
Casing; Plating, Steel-blue (gray)
Enclosure:
Steel casing, for indoor use
Material of gas-contacting parts:
Gas inlet/outlet/purging; SUS304 or resin
Sample cell; SUS304,chloroprene rubber
Infrared-ray transmitting window; CaF
2
O2 sensor sample cell : SUS316
Internal piping; vinyl chloride, PTFE, Polypropylene
Gas inlet/outlet:
Rc1/4 or NPT1/4 internal thread
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1L/min (when required)
Standard Functions
Output signal holding:
Enables you to hold the output signal during calibration
to the value right before the calibration is started or the
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be held.