1.General Introduction
Yokogawa ZR202G zirconia oxygen analyzer consists basically of a probe and a converter that are used as both a Zirconia Oxygen Analyzer and High Temperature Humidity Analyzer. The probe is of direct insertion type, and the converter uses a digital display. This analyzer is most suitable for monitoring the oxygen concentration of combustion gases in large or small boilers, various industrial furnace and combustion devices, or for the control of low-oxygen combustion; used to measure the humidity of hot gases continuously in driers which use an electrical heater or hot gas as the heat source. They can also be used in a variety of manufacturing applications in humidifiers, as well as in driers, forhumidity measurement and control.
2.General Specification
Main Characters | Description |
Sample Gas Temperature | 0 to 700℃ |
Sample Gas Pressure | -5 to + 250kPa |
Probe Length | 0.4, 0.7, 1.0, 1.5, 2.0, 2.5, 3.0m |
Probe Material | SUS316 (JIS) |
Ambient Temperature | -20 to +55℃ |
Reference Gas System | Natural Convection, Instrument Air, Pressure compensated |
Instrument Air System | 200kPa + the pressure inside the furnace |
Wetted Material | SUS316 (JIS), Zirconia, SUS304 (JIS) or ASTM grade 304 (flange), Hastelloy B, Inconel 600, 601) |
Gas Connection: | Rc1/4 or 1/4 NPT (Female) |
Wiring Connection | G1/2, Pg 13.5, M20 × 1.5, 1/2 NPT |
Installation | Flange mounting |
Probe Mounting Angle | Horizontal to vertically downward. |
Output | 1*4-20ma Hart, 2* contact signal |
Display | 6-digit LCD |
3.Model Selection
Model | Suffix Codes | Description | |||||||||
ZR202G | Integrate type Zirconia Oxygen/High Temperature Humidity Analyzer | ||||||||||
Length | -040 | 0.4 m | |||||||||
-070 | 0.7 m | ||||||||||
-100 | 1.0 m | ||||||||||
-150 | 1.5 m | ||||||||||
-200 | 2.0 m | ||||||||||
-250 | 2.5 m | ||||||||||
-300 | 3.0 m | ||||||||||
Wetted material | -S | Stainless steel | |||||||||
-C | Stainless steel with Inconel calibration gas tube | ||||||||||
Flange | -A | ANSI Class 150 2 RF | |||||||||
-B | ANSI Class 150 3 RF | ||||||||||
-C | ANSI Class 150 4 RF | ||||||||||
-E | DIN PN10 DN50 A | ||||||||||
-F | DIN PN10 DN80 A | ||||||||||
-G | DIN PN10 DN100 A | ||||||||||
-K | JIS 5K 65 FF | ||||||||||
-L | JIS 10K 65 FF | ||||||||||
-M | JIS 10K 80 FF | ||||||||||
-P | JIS 10K 100 FF | ||||||||||
-Q | JIS 5K 32 FF (for high temperature use) | ||||||||||
-R | JPI Class 150 4 RF | ||||||||||
-S | JPI Class 150 3 RF | ||||||||||
-W | Westinghouse | ||||||||||
Auto Calibration | -N | Not required | |||||||||
-A | Horizontal mounting | ||||||||||
-B | Vertical mounting | ||||||||||
Reference gas | -C | Natural convection | |||||||||
-E | External connection (Instrument air) | ||||||||||
-P | Pressure compensated | ||||||||||
Gas Thread | -R | Rc1/4 | |||||||||
-T | 1/4NPT(Female) | ||||||||||
Connection box thread | -P | G1/2 | |||||||||
-G | Pg13.5 | ||||||||||
-M | M20 x1.5 | ||||||||||
-T | 1/2 NPT | ||||||||||
Instruction manual | -J | Japanese | |||||||||
-E | English | ||||||||||
-C | Chinese | ||||||||||
-- | -A | Always -A | |||||||||
Options | /C | Inconel bolt | |||||||||
/HS | Set for Humidity Analyzer | ||||||||||
/CV | Check valve | ||||||||||
/SV | Stop valve | ||||||||||
/F1 | Dust Filter | ||||||||||
/F2 | Dust Guard Protector | ||||||||||
/SCT | Stainless steel tag plate | ||||||||||
/PT | Printed tag plate | ||||||||||
/C2 | NAMUR NE43 Failure alarm down-scale | ||||||||||
/C3 | NAMUR NE43 Failure alarm up-scale | ||||||||||
/EQ | EAC with PA | ||||||||||
/ER | EAC |
4.Heater Assembly
Model | Suffix Codes | Description | ||
ZR202A | Heater Assembly for ZR202G | |||
Length | -040 | 0.4 m | ||
-070 | 0.7 m | |||
-100 | 1.0 m | |||
-150 | 1.5 m | |||
-200 | 2.0 m | |||
-250 | 2.5 m | |||
-300 | 3.0 m | |||
Jig for change | -A | with Jig | ||
-N | None | |||
- | -A | Always A |
5.Flow Setting Unit for Manual Calibration
Model | Suffix Codes | Description | |
ZA8F | Flow setting unit | ||
Joint | -J | Rc1/4 | |
-A | With 1/4 NPT (F) adapter | ||
Style code | *C | Style C |
6.Automatic Calibration Unit for ZR202G Integrated Type Analyzer
Model | Suffix Codes | Description | |||
ZR20H | Automatic calibration unit for ZR202G | ||||
Gas piping connection | -R | Rc1/4 | |||
-T | With 1/4 NPT (F) | ||||
Reference air | -E | Instrument air | |||
-P | Pressure compensated | ||||
Mounting | -A | Horizontal mounting | |||
-B | Vertical mounting | ||||
- | -A | Always -A |
7.Basic System Configuration
8.Detector Components
9.External Dimensions
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Tel: +971558915937
Fax: +971558915956
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