Siemens 7MB3000 Series Operating Instructions Manual page 172

Wall-mounted device
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Technical specifications
13.3 Technical specifications of analyzer modules
Table 13-32
CALOMAT 7: Time response
Time response
Warm-up period at room temperature
Response characteristics
 
Delayed display
Standard module
T
Module with integrated flame arrest‐
90
er
 
Dead time (T
) at 1 l/min
10
 
Adjustable signal damping range
Table 13-33
CALOMAT 7: Measuring response
Measuring response
Output signal fluctuation with device-in‐
ternal signal damping of 1 s
Detection limit
Measured value drift
Repeatability
Linearity deviation
Table 13-34
CALOMAT 7: Influence variables
Influence variables
Ambient temperature 
  
Sample gas pressure
Sample gas flow
Accompanying gases (interference gases)
Supply voltage
(fluctuations of the power supply of the
basic device
in the range of
2)
85 to 264 V AC / 47 to 63 Hz)
Values less than the detection limit are not useful
1)
Basic device: 7MB3000-0xxx0-1xx0 rack-/wall-mounted housing
2)
172
< 30 min (max. accuracy after 2 h)
 
< 2.5 s
< 3.5 s
< 0.5 s
0 to 100 s
≤ ±0.5% of smallest measuring span according to module nameplate
(noise bandwidth corresponds to
1% = 6σ value or 0.333% = 2σ value)
≤ 1% of the smallest span according to nameplate
≤ ± 1%/week of smallest measuring span according to nameplate or 50 vpm H
week
Whichever is greater
≤ ± 1% of the current span or 100 vpm H
≤ ± 1% of the current span or 100 vpm H
≤ 0.5% of smallest measuring span/10 K or    
≤ 50 vpm H
/10 K
2
Whichever is greater
≤ ± 0.5%
of smallest measuring span/1% change in pressure or
1)
≤ ± 50 vpm H
/1% change in pressure
2
Whichever is greater
≤ 0.2% of smallest measuring span/ dl/min change in flow or
≤ 50 vpm O
/dl/min change in flow within the permissible flow range (0.3 to 1 l/
2
min) 
Whichever is greater 
The interference gas sensitivity depends on the application and must be deter‐
mined in each case except for applications with blast furnace gas / converter gas /
wood gasification (pre-adjusted).
≤ ± 0.1% of full-scale value
2
2
Operating Instructions, 07/2023, A5E31930403-AB
/
2
Wall-mounted device

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