Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 34)

<2. Specifications>
2-16
IM 11M12A01-02E 8th Edition : Jan.13,2012-00
2.5 ZA8F Flow Setting Unit and
ZR40H Automatic Calibration Unit
2.5.1 ZA8F Flow Setting Unit
This flow setting unit is applied to the reference gas and the calibration gas in a system
configuration (System 2). Used when instrument air is provided.
This unit consists of a flowmeter and flow control valves to control the flow rates of calibration gas
and reference gas.
Standard Specifications
FIowmeter Scale:
Calibration gas; 0.1 to 1.0 l/min. Reference gas; 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: Rc1/4 or 1/4FNPT
Reference Gas pressure: Clean air supply of sample gas pressure plus approx. 50 kPa G
(or sample gas pressure plus approx. 150 kPa G when a check valve
is used). Pressure at inlet of the Flow Setting Unit.(Maximum 300 kPaG)
Air Consumption: Approx. 1.5 l/min
Weight: Approx. 2.3 kg
Calibration gas (zero gas, span gas) Consumption: Approx. 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
Model Suffix code Option code Description
ZA8F - - - - - - - - - - - - - - - - - Flow setting unit
Joint
-J
-A
- - - - - - - - -
- - - - - - - - -
Rc 1/4
With 1/4 NPT adapter
Style code *C - - - - - - - - - Style C