Ndir gas analyzer installation 3 – Teledyne IR-7000 - Non-dispersive infrared series User Manual
Page 31
NDIR Gas Analyzer
Installation 3
Teledyne Analytical Instruments., - Rev. 3
23
The standard output of the analyzer is a 0–1 V DC signal and
represents the concentration from 0 to full scale on the currently selected
range. The output is linear over each range as long as LINEAR is set in the
MODE menu. See Section 4.3 The MODE Menu. For example, if the
analyzer is currently set on range 2 which has been defined as 0–100 ppm
CO
2
, and the MODE is set to LINEAR, then the output would be:
PPM
CO
2
S
IGNAL
O
UTPUT
Voltage (V)
OPTIONAL
4–20
M
A
O
UTPUT
C
URRENT
(
M
A)
0 0
4
10 0.1
5.6
20 0.2
7.2
30 0.3
8.8
40 0.4
10.4
50 0.5
12.0
60 0.6
13.6
70 0.7
15.2
80 0.8
16.8
90 0.9
18.4
100 1.0
20.0
I/O BOARD SWITCH POSITIONS FOR VOLTAGE OUTPUT
S1-1
S1-2 S1-3 S1-4
IR
Volt
O
2
Volt
OFF
OFF
1V.
OFF
ON
5V.
ON
ON
10V.
OFF OFF 1V.
ON ON 5V.
ON ON 10V.