Repeatability
0.1 to 1 % of full-scale value, range-dependent
Characteristic
Linearization error <1 % of f.s.v.
Long-term drift
Zero
5E-E
<2 % of span/week with f.s.v. >10 ppm C
1
,
range-dependent
5E-A, 5E-AS
<2 % of span/week with f.s.v. >10 ppm C
3
,
range-dependent
5E-I
< 2 % of span/day with f.s.v. 2 ppm C
1
, range-
dependent
Span
As for zero
Response time (T
90
time) with time
constant 0 s, set using function 13
<1 s without filter
2 to 3 s with filter
Warm-up time
Approx. 2 to 3 hours
Analyzer chamber temperature
110 to 200 ˚C, freely-selectable
Permissible storage temperature
–30 to +70 ˚C
Permissible ambient temperature (operation)
5 to 45 ˚C
Inlet pressure for hydrogen, combustion air,
zero gas and calibration gas(es)
3 bar (45 psig) above atmospheric pressure
Position of use
Front panel vertical
Change in display through influencing variables
Mains voltage variations (+10, -15 %)
<1 % of measured value
Ambient temperature variations
<1 % of measured value/10 K
Atmospheric pressure variations
<1 % of measured value /50 mbar
Frequency variations
<1 % of measured value for the permissible
frequency range
Influence of position
<1 % of measured value with inclination <15˚
Power supply
Mains connection
AC 110, 120, 220, 230, 240 V, 48 to 63 Hz
Power consumption
Approx. 350 VA in start-up phase,
approx. 150 VA during operation
Degree of protection
Rack-mounted unit
IP 20 to DIN 40050
Bench-top unit
IP 21 to DIN 40050
Dimensions
See dimensional drawing
Weight
28 kg
Material of parts in contact with sample gas
PTFE, quartz (nozzle, fused silica), graphite
(gaskets), stainless steel 1.4571 (316 SS)
9
Summary of Contents for 7MB1420
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