Getting Started
Teledyne API - Model T200H/T200M Operation Manual
64
3.7.2. BASIC O
2
SENSOR CALIBRATION PROCEDURE
If your instrument has an O
2
sensor option installed that should be calibrated as well.
3.7.2.1. O
2
Calibration Setup
The pneumatic connections for calibrating are as follows:
C
a
li
b
ra
te
d
N
2
a
t
H
IG
H
Sp
a
n
C
o
n
ce
n
tra
ti
o
n
C
a
li
b
ra
te
d
O
2
a
t
2
0
.8
%
Sp
a
n
C
o
n
ce
n
tra
ti
o
n
Source of
SAMPLE GAS
Removed during
calibration
Instrument
Chassis
SAMPLE
EXHAUST
PUMP
V
E
N
T
3-way
Valve
Manual
Control Valve
VENT
here if input
is pressurized
Figure 3-25:
O
2
Sensor Calibration Set Up
O
2
SENSOR ZERO GAS: Teledyne API’ recommends using pure N
2
when calibration
the zero point of your O
2
sensor option.
O
2
SENSOR SPAN GAS: Teledyne API’ recommends using 21% O
2
in N
2
when
calibration the span point of your O
2
sensor option.
07270D DCN7141