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14. SPECIFICATIONS

Specifications

Type of cubicle: Outdoor, self-standing, sealed type or indoor type
Measuring system: Non-dispersion infrared absorption (NDIR method) for NOx, SO2, CO and CO2;
zirconia method for O2.
Sampling system: Dry sampling electronic cooling & dehumidification system
(Permapure dryer adopted)
Measuring range: NOx—0 to 100.... 2000 ppm
SO2—0 to 100.... 1000 ppm
CO —0 to 200.... 2000 ppm
CO2—0 to 5........ 50%
O2—0 to 10/25%
Note: Measuring range of each gas is 50 to 5000ppm, available in
approved type (special order).
Repeatability: ±0.5% of full scale
Drift: Zero —±2% of full scale/week for NOx, SO2 and CO
±2% of full scale/month for O2
Span —±2% of full scale/week
Linearity: ±2% of full scale
Response time: 90% response from the inlet of cubicle SO2 : 4 min. CO : 2.5 min NO : 2 min
Others : 3 min.
Output: 4 to 20mA DC (allowable load resistance 550Ω), non-isolated.
For the number of output points, see Table 1.
Contact output: Each NO (1a) contact (100V AC, 1A) for error (analyzer error, calibration error) and
auto calibration status
Indication: Digital indication (indicating measured value and measuring range on analyzer front
panel of infrared gas analyzer)
Sample gas extracting rate:Approx. 2 N/min.
Gas extractor: Electrical heating type (filter built in)
Filter mesh —40µm mesh of 316 stainless steel
Probe —316 stainless steel, length 600, 800 or 1000mm
Flange —JIS 5 K65AFF
Sample inlet tube: ø 10/ ø 8mm teflon tube for CO and O2 meter and NOx and O2 meter
Heating tube ( ø 10/ ø 8mm teflon tube) for NOx, SO2 and O2 meter and NOx, SO2, CO
and O2 meter
Standard gas (3.4 N): Standard air gas for zero calibration and O2 span calibration
Standard analyte/remaining N
2
gas for low range span calibration and O
2
zero calibration
Form verification: Form for all components already approved
Ambient temperature: -5 to +40°C
Power supply: 100±10V AC, 50 or 60Hz
Power consumption: Approx. 1,200 VA (excluding consent and heating tube)
Mass (weight): Approx. 300 kg (excluding standard gas)
Finish color: Munsell 5Y 7/1 semigloss
(Range selection:
Max. rate 1:20
(except for O2))