Yokogawa Single Channel Oxygen Analyzer System ZR22/ZR402 - Manual (Page 41)

IM 11M13A01-02E 2-22
2.6 ZO21S Standard Gas Unit
WARNING
Standard Gas Unit (Model ZO21S) must not be located in hazardous area.
This is a handy unit to supply zero gas and span gas to the detector as calibration gas. It
is used in combination with the detector only during calibration.
Standard Specifications
Function:
Portable unit for calibration gas supply consisting of span gas (air)
pump, zero gas cylinder with sealed inlet, flow rate checker and
flow rate needle valve.
Sealed Zero Gas Cylinders (6 provided): E7050BA
Capacity: 1 liter
Filled pressure: Approx. 686 kPa G (at 35
؇ C)
Composition: 0.95 to 1.0 vo1% O
2
+N
2
based
Power Supply: l00, 110, 115, 200, 220, 240 V AC
؎10%, 50/60 Hz
Power Consumption: Max. 5 VA
Case material: SPCC (cold rolled steel sheet)
Print: Epoxy resin, baked
Paint Color:
Mainframe; Munsell 2.0 GY3.1/0.5 equivalent
Cover; Munsell 2.8 GY6.4/0.9 equivalent
Piping:
␾6؋␾4 mm flexible tube connection
Weight: Approx. 3 kg
Span gas: Internal pump draws in air from atmosphere, and feeds to detector
* Non CE Mark.
Model and Codes
ZO21S
-2
-3
-4
-5
-7
-8
-J
-E
200 V AC 50/60 Hz
220 V AC 50/60 Hz
240 V AC 50/60 Hz
100 V AC 50/60 Hz
110 V AC 50/60 Hz
115 V AC 50/60 Hz
T2.7E.EPS
Model Suffix code Option code Description
Standard gas unit
Power
supply
Panel
Style code *A
Japanese version
English version
Style A