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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 NO
x
, SO
2
, CO and CO
2
;
zirconia method for O
2
.
Sampling system: Dry sampling electronic cooling & dehumidification system
(Permapure dryer adopted)
Measuring range: NO
x
— 0 to 100 .... 2000 ppm
SO
2
— 0 to 100 .... 1000 ppm
CO — 0 to 200 .... 2000 ppm
CO
2
— 0 to 5 ........ 50%
O
2
— 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, SO
2
and CO
±2% of full scale/month for O
2
Span — ±2% of full scale/week
Linearity: ±2% of full scale
Response time: 90% response from the inlet of cubicle SO
2
: 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 O
2
meter and NO
x
and O
2
meter
Heating tube ( ø 10/ ø 8mm teflon tube) for NO
x
, SO
2
and O
2
meter and NO
x
, SO
2
, CO
and O
2
meter
Standard gas (3.4 N): Standard air gas for zero calibration and O
2
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 O
2
))