Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 29)

IM 11M12A01-05E 2-11
2. Specifications
2.2 ZA8F Flow Setting Unit and ZR20H Automatic Cali-
bration Unit
2.2.1 ZA8F Flow Setting Unit
This flow setting unit is applied to the reference gas and the calibration gas in a system
configuration (System 2).
This unit consists of a flow meter and flow control valves to control the flow of calibra-
tion gas and reference air.
Standard Specifications
Flowmeter: Calibration gas; 0.1 to 1.0 l/min. Reference air; 0.1 to 1.0 l/min.
Construction : Dust-proof and rainproof construction
Case Material: SPCC (Cold rolled steel sheet)
Painting : Baked epoxy resin , Dark-green (Munsell 2.0 GY 3.1/0.5 or equivalent)
Pipe Connections : Rc1/4 or 1/4FNPT
Reference Air pressure : Clean air supply of measured gas pressure plus approx. 50 kPa
G (or measured gas pressure plus approx. 150 kPa G when a check valve is used,
maximum pressure rating is 300 kPa G)
spressure at inlet of the auto-calibretion unitd
Air Consumption: Approx. 1.5 l/min
Weight: Approx. 2.3 kg
Calibration gas (zero gas, span gas) flow: 0.7 l/min (at calibration time only)
Note
Use instrument air for span calibration gas, if no instrument air is available, contact
YOKOGAWA.
Model and Codes
ZA8F
-J
-A
T2.5E.EPS
Model Suffix code Option code Description
Standard gas unit
Joint
Style code *B
Rc 1/4
With 1/4'' NPT adapter
Style B