Specifications; General Specifications; Standard Specifications - YOKOGAWA ZR402G User Manual

2.

Specifications

This chapter describes the specifications for the following:
ZR202G
ZO21R-L
ZH21B
ZA8F
ZR20H
ZO21S
K9471UA
2.1

General Specifications

2.1.1

Standard Specifications

Measured Object:
Measured System:
Measurement Range: 0.01 to 100 vol%O
Output Signal:
Setting Range:
Digital Communication (HART): 250 to 550 Ω, depending on number of field devices connected
Display Range:
Warm-up Time:
These characteristics are calculated by oxygen concentration measured in air which include
water vapor.
Repeatability:
General-use Integrated type Zirconia Oxygen Analyzer (See Section 2.1.2)
Probe protector
Dust protector
Flow setting unit
Automatic calibration unit
Standard gas unit
Dust Filter for Oxygen Analyzer
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.)
(In case of Humidity Analyzer, Water vapor (in vol%) in mixed gases (air
and water vapor))
Zirconia system
(In case of Humidity Analyzer, 0 to 100 vol% H
4 to 20 mA DC (maximum load resistance 550 Ω)
Any setting in the range of 0 to 5 through 0 to 100 vol%O
or partial range
In case of Humidity Analyzer,
Moisture quantity: 0 to 25 through 0 to 100 vol% H
Mixture ratio;
to the loop (multi-drop mode).
Note: HART is a registered trademark of the HART Communication Foundation.
Oxygen concentration; 0 to 100 vol%O
In case of Humidity Analyzer,
Moisture quantity; 0 to 100 vol% H
humidity; 0 to 100% RH (Note), Dew point; -40 to 370°C (Note)
Note: These values are affected by temperature and absolute pressure, So accurate temperature
and pressure values must be inputted to the converter.
Approx. 20 min.
(Excluding the case where the reference gas is by natural convection)
±0.5% Maximum value of set range;
±1% Maximum value of set range;
In case of Humidity Analyzer, ± 1 vol% H2O; (Sample gas pressure 2
kPa or less)
<2. Specifications>
2
partial range.
0 to 0.2 through 0 to 1.000 kg/kg (in 0.001 kg/kg), or
partial range.
O, Mixture ratio; 0 to 1 kg/kg, Relative
2
(See Section 2.1.3)
(See Section 2.1.4)
(See Section 2.2.1)
(See Section 2.2.2)
(See Section 2.3)
(See Section 2.4)
O or 0 to 1.000 kg/kg)
2
(in 1 vol%O
2
O (in 1 vol% H
2
2
less than 0 to 25 vol%O
0 to 25 vol%O or more and up
2
to 0 to 100 vol%O range
2
IM 11M12A01-04E 11th Edition : Jul. 19, 2017-00
2-1
),
2
O), or
2
range
2