YOKOGAWA ZR202G, User Manual, Page: 20 / 160

<2. Specifications>
2-1
IM 11M12A01-04E
2. Specifications
This chapter describes the specifications for the following:
ZR202G General-use Integrated type Zirconia Oxygen Analyzer (See Section 2.1.2)
ZO21R-L Probe Protector (See Section 2.1.3)
ZA8F Flow Setting Unit (See Section 2.2.1)
ZR20H Automatic Calibration Unit (See Section 2.2.2)
ZO21S Standard Gas Unit (See Section 2.3)
K9471UA Dust Filter for Oxygen Analyzer (See Section 2.4)
2.1 General Specifications
2.1.1 Standard Specifications
Measured Object: Oxygen concentration in combustion exhaust gas and mixed gas (excluding
inflammable gases). May not be applicable corrosive gas such as ammonia,
chlorine is present-check with YOKOGAWA.)
Measured System: Zirconia system
Oxygen Concentration: 0.01 to 100 vol% O
2
Output Signal: 4 to 20 mA DC (maximum load resistance 550Ω)
Measurement Range: Any setting in the range of 0 to 5 through 0 to 100 vol% O
2
(in 1 vol%O
2
), or
partial range
Digital Communication (HART): 250 to 550Ω, depending on number of field devices connected to the
loop (multi-drop mode).
Note: HART is a registered trademark of the HART Communication Foundation.
Display Range: 0 to 100 vol% O
2
Warm-up Time: Approx. 20 min.
Repeatability: (Excluding the case where the reference gas is by natural convection)
± 0.5% Maximum value of set range; less than 0 to 25 vol% O
2
range
± 1 % Maximum value of set range; 0 to 25 vol% O
2
or more and up to 0 to
100 vol% O
2
range
Linearity: (Excluding standard gas tolerance)
(Excluding the case where the reference gas is by natural convection)
(Use oxygen of known concentration (with in the measuring range) as the
zero and span calibration gases.)
± 1% Maximum value of set range; less than 0 to 25 vol% O
2
range
(Sample gas pressure: within ± 4.9 kPa)
± 3% Maximum value of set range; 0 to 25 vol% O
2
or more and less than 0
to 50 vol% O
2
range
(Sample gas pressure: within ± 0.49 kPa)
± 5% Maximum value of set range; 0 to 50 vol %O
2
or more and up to 0 to
100 vol% O
2
range
(Sample gas pressure: within ± 0.49 kPa)