Yokogawa Low Concentration (ppm) Zirconia Oxygen Analyzer OX400 - Manual (Page 12)

<2. Specifications> 2-1
IM 11M10B01-01E
2. Specifications
2.1 Standard Specifications
Measurement object
: Oxygen concentrations in inert gases containing no flammable gas, silica, corrosive gas, or liquid
(including water vapor).
Measurement system
: Zirconia system
Sampling method: Pump, aspirator, or no suction device.
Pump and aspirator suction flow rate
: Approx. 1.0 l/min.
Aspirator suction conditions
: Air or N
2
, supply pressure 65 to 100 kPaG, total discharge flow 10 l/min max. (when gas inlet and
outlet are at ambient atmospheric pressure).
Sample gas conditions
Flow rate : 200 ± 25 ml/min (only applies to sensor).
Temperature : 0-50°C (non-condensing).
Humidity : Non-condensing.
Pressure : 0-300 PaG
Measurement range
: 0-10 ppm O
2
to 0-100 vol% O
2
Resolution
: 0.01 ppm O
2
.
Display
: 4 digit LED.
Main display: O
2
concentration (auto switching).
Sub display: Parameter or alarm/error number
Unit
: %, ppm.
Output range
Auto : 0-10 ppm, 0-100 ppm, 0-1000 ppm, 0-1%, 0-10%, 0-100% (default)
Other : 0-0 ppm, 0-00 ppm, 0-000 ppm, 0-%, 0-0% can be set,
 is an integer from 2 to 9.
Fixed : Set to 0-10 ppm, 0-100 ppm, 0-1000 ppm, 0-1%, 0-10%, or 0-100%.
Partial : Lower value or upper value of range can be set.
Note : Span (upper value-lower value) is 20% FS or more of above fixed range.
Example: 200-400 ppm when fixed range is 0-1000 ppm, 20-40 ppm when fixed range is 0-
100 ppm.
Analog output
: 2 outputs
Primary : 4 to 20 mA DC (maximum load resistance: 550Ω )
Secondary : Select from 0-1, 0-5, 0-10 V DC ( load resistance: 10 kΩ or greater)