P
REFACE
P-6
June 1997 Rosemount Analytical 748332-DNGA Non-Dispersive Infrared Analyzer
S
PECIFICATIONS
- G
ENERAL
M
EASUREMENT
S
PECIES
:
Heteroatomic gases such as ammonia (NH
3
), carbon dioxide
(CO
2
), carbon monoxide (CO), carbon monoxide + carbon
dioxide ethylene (C
2
H
4
), hexane (C
6
H
14
), methane (CH
4
), nitric
oxide (NO) and sulfur dioxide (SO
2
)
R
ANGES
:
10 ppm fullscale to 100% fullscale (application-dependent); 4
fullscale selections, including suppressed zero ranges
R
EPEATABILITY
:
±
1% of fullscale (at constant temperature)
M
INIMUM
D
ETECTABLE
L
EVEL
:
0.1% CO
2
(at 1 atm. sample pressure; application dependent)
N
OISE
:
<1% of fullscale, peak-to-peak
L
INEARITY
:
±
1% of fullscale with 4th order polynomial
R
ESPONSE
T
IME
:
.05 to 30 seconds (selectable) for 0 to 90% of fullscale
D
RIFT
(Z
ERO AND
S
PAN
):
<
±
1% of fullscale/24 hours at constant temperature
(application dependent);
<
±
2% of fullscale/week at constant temperature (application
dependent)
E
FFECT OF
T
EMPERATURE
:
<
±
1% of fullscale over any 10
°
C interval for rate of change no
greater than 10
°
C per hour (application dependent)
E
NVIRONMENT
:
Location - Class B controlled, indoor, non-hazardous
A
MBIENT
T
EMPERATURE
:
0 to 45
°
C (32 to 113
°
F)
E
FFECT OF
F
LOW
:
<1% of range when sample flow rate is changed by
≤
250
ml/min. (No effect if flow rate is between 0 and 500 ml/min.)
P
OWER
R
EQUIREMENTS
:
24 VDC
±
5%, 100 W max.; ripple and noise: <100 mV peak-to-
peak; line and load regulations: <
±
1%
S
PECIFICATIONS
- S
AMPLE
T
EMPERATURE
:
Non-flammable;: 0
°
C to 55
°
C (32
°
F to 138
°
F)
F
LOW
R
ATE
:
500 to 1400 ml/min.
P
RESSURE
:
Maximum 690 hPa-gauge (10 psig), higher pressure in
pressurized cell applications
P
ARTICULATES
:
filtered to <2 microns
D
EWPOINT
:
<40
°
C (104
°
F), no entrained liquid
M
ATERIALS IN
C
ONTACT
WITH
S
AMPLE
:
Gold plated Pyrex, sapphire, quartz, Irtran, FEP Teflon, Viton-
A, 316 stainless steel
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