2 za8f flow setting unit, 1 za8f flow setting unit – Yokogawa Integral Oxygen Analyzer ZR202 User Manual
Page 31

IM 11M13A01-04E
2-13
2. Specifications
2.2
ZA8F Flow Setting 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)
Tube Connections: Rc 1/4 or 1/4 NPT(F)
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) (pressure at inlet of the auto-calibration unit
͒
Air Consumption: Approx. 1.5 l/min
Weight: Approx. 2 kg
Note
Used instrument air for span calibration gas, if without instrument air is used, 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