Specifications | 2-1
SPECIFICATIONS
Operating Range
0.1 PPM o
2
to 100% o
2
Accuracy
Percent: ±2% of reading or .05% o
2
absolute, whichever is greater.
PPM: ± 2% of reading or .5 PPM o
2
absolute, whichever is greater.
Response Time
< 5 seconds at 150 sccm over one decade.
Repeatability
Percent: ± .5% of reading or .1% o
2
absolute, whichever is greater.
PPM: ± .5% of reading or .1 PPM o
2
absolute, whichever is greater.
Ambient
Temperature
0° c to 40 °c (32 °F to 104 °F)
Humidity
10 - 90%, non-condensing
Sample Flow
50 to 200 sccm according to user application requirements. Flow rate
is factory-calibrated at 150 sccm.
An integral mass flow meter and proportional valve are used to auto
-
matically maintain a constant sample and calibration gas flow rate.
see chapter 3 for more information.
Environment
For indoor use only
iEc installation category ii
iEc Pollution Degree 2
Altitude: 2000 meters
Power
Requirements
24 VDc
±
5%, 2.7 A, less than 100 mv noise or ripple.
An optional external 24V power supply is available with 100-250
VAc, 47-63 Hz input (AMETEK #25446JE).
when using an external power supply, a power connector plug
(AMETEK #19674JE) is required.
Inlet Pressure
Range: 600 to 1795 Torr. Absolute maximum allowable inlet pressure
is 1795 Torr (20 Psig).
Outlet Pressure
20 Torr less than inlet pressure.
This specification depends on the flow at which the analyzer is oper
-
ating.
Higher flow rate
= faster response and requires higher pressure dif
-
ferential between the inlet and outlet pressure.
Lower flow rate
= slower response and requires a lower pressure
differential.
If flow rate is set at 150 sccm, pressure must be at least 25 Torr below
minimum sample pressure. outlet pressure must be > 10 millitorrs.
Calibration Gas
Requirements
Zero gas: From 0.1 PPM to 10% o
2
, balance n
2
span gas: Minimum one decade above zero gas (10 times greater)
recommended
Port Connections
1/8” Swagelok compression fittings on sample and calibration ports.
1/4” Swagelok compression fitting on exhaust port.
Sampling System
stainless steel components and tubing used in the sample path.
chemraz o-rings are used to seal the sensor.
Indicators
LEDs for status or power, communications, and fault conditions.
