MSA Orion Manual De Operaciones página 74

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Chapter 7, Performance Specifications
Table 7-2. Instrument Specifications
Normal
TEMPERATURE
RANGE
Extended**
WARM-UP TIME
*NOTE 1: Response times reported for diffusion usage:
When using a pump module and sample line, add time for the gas sample to be
drawn through the sample line. Typical transport times are:
5 feet
10 feet
50 feet
These should be added to the sensor response times reported in this chapter.
**NOTE 2: Extended temperature range indicates that gas readings may vary
slightly if calibrated at room temperature. For optimal performance, it is
recommended that the instrument be calibrated at temperature of use.
COMBUSTIBLE
Catalytic Sensor
GAS
OXYGEN
Electrochemical Sensor
TOXIC GASES
Electrochemical Sensors
HIGH ALARM
CO
35 PPM
H
S
10 PPM
2
LEL
10% LEL
O
22.0%
2
7-2
o
0 to 40
C
o
-20 to 50
C
20 seconds; 25 seconds with pump
3 seconds
7 seconds
15 seconds
Measurement Methods
Factory-Set Alarm Setpoints
LOW ALARM
STEL
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Operating Manual
TWA
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