Witt MFA 9000 User Manual

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WITT-GASETECHNIK GmbH & Co KG
Salinger Feld 4-8

: +49 (0)2302 89010
www.wittgas.com
Gas Safety- & Control Equipment
D-58454 Witten
Fax: +49 (0)2302 89013
witt@wittgas.com
9.1 Sensor Specifications
9.1.1 Performance
Linearity
< 1% of range
Warm up time
approx. 30 min; 60 min for small ranges
Flow rate
40 l/h – 150 l/h, recommended 60 l/h to 80 l/h
higher rates possible if the analyser is equipped
with bypass (option)
T90-time
<1sec at flow rate higher 60 l/h
Noise
< 1% of smallest range
Drift at zero point
< 2% of smallest range per week
Repeatability
< 1% of range
Error due to change of ambient temperature
< 1% of smallest range per 10 °C
Error due to change of flow at 80l/h
< 1% of smallest range per 10 l/h
Error due to change of pressure
(above 800 mbar)
< 0.5% of smallest range per 10 mbar
9.1.2 Measuring gas / Carrier gas combinations and possible measuring ranges

Note!
Ex factory always the Basic Range is selectable in Multi Gas Mode (MGM)
Measuring
Gas
Carrier Gas Basic range Smallest range
Smallest sup-
pressed zero range
H
2
N
2
0% - 100%
0% - 0.5%
98% - 100%
H
2
Ar
0% - 100%
0% - 0.4%
99% - 100%
H
2
air
0% - 4%
0% - 0.5%
-
He
N
2
or air
0% - 100%
0% - 0.8%
97% - 100%
He
Ar
0% - 100%
0% - 0.5%
98% - 100%
CO
2
N
2
or air
0% - 100%
0% - 3%
96% - 100%
CO
2
Ar
0% - 60%
0% - 10%
-
Ar
N
2
or air
0% - 100%
0% - 3%
96% - 100%
Ar
CO
2
40% - 100%
-
80% - 100%
CH
4
N
2
0% - 100%
0% - 2%
96% - 100%
CH
4
Ar
0% - 100%
0% - 1.5%
97% - 100%
CH
4
air
0% - 4.4%
0% - 2%
-
O
2
N
2
0% - 100%
0% - 15%
85% - 100%
O
2
Ar
0% - 100%
0% - 2%
97% - 100%
N
2
Ar
0% - 100%
0% - 3%
97% - 100%

Witt MFA 9000 Specifications

General

Brand	Witt
Model	MFA 9000
Category	Measuring Instruments
Language	English