Siemens 7MB2335, Operating Instructions Manual, Page: 35 / 168

Technical Description
Operating instructions ULTRAMAT 23 gas analyzer
C79000-B5276-C216-03 3-13
3.5 Technical Data
General
Measured components Max. 4, of which up to 3 infrared-
sensitive gases plus oxygen
Measuring ranges 2 per channel
Characteristics Linearized
Conformity CE-identification to EN 61326/A1,
EN 61010-1
Display LCD with LED backlighting and
contrast control, function keys
80 characters
(4 lines/20 characters)
Position of use Front panel vertical
Design, enclosure
Weight Approx. 10 kg
Degree of protection, 19" unit and
desktop unit IP20 to EN 60529
Electrical characteristics
EMC interference immunity (Electro-
Magnetic Compatibility), safety
extra-low voltage (SELV) with safe
isolation According to standard require-
ments of NAMUR NE21 (08/98) or
EN 50081-1, EN 50082-2
Power supply 100 V AC, +10%/-15%, 50 Hz,
120 V AC, +10%/-15%, 50 Hz,
200 V AC, +10%/-15%, 50 Hz,
230 V AC, +10%/-15%, 50 Hz,
100 V AC, +10%/-15%, 60 Hz,
120 V AC, +10%/-15%, 60 Hz,
230 V AC, +10%/-15%, 60 Hz
Power consumption Approx. 60 VA
Electric inputs and outputs
Analog output per component, 0/2/4 to 20 mA,
floating, max. load 750
Ω
Relay outputs 8, with changeover contacts,
freely selectable, e.g. for range
identification, loading capacity,
24 V AC/DC /1 A, floating, non
sparking
Binary inputs 3, designed for 24 V, floating
• Pump
• AUTOCAL
• Synchronization
Serial interface RS 485
AUTOCAL function Automatic analyzer calibration
with ambient air (depending on
measured component), cycle
time adjustable from 0 (1) to
24 hours
Options Supplementary electronics with 8
additional binary inputs and relay
outputs, e.g. for external auto-
matic calibration and for PROFI-
BUS PA or PROFIBUS DP
Ambient conditions
Permissible ambient temperature
• Operation +5 to +45 °C
• Storage and transport -20 to +60 °C
Permissible ambient humidity < 90% RH (relative humidity) for
storage and transport
Permissible pressure variations 700 to 1200 hPa
Sample gas
Sample gas pressure
• Without pump unpressurized
• With pump unpressurized suction mode, fac-
tory-adjusted with 2-m hose at
sample gas outlet; an upper
range value calibration is
required in case of other venting
conditions
Sample gas flow 72 to120 l/h (1.1 to 2 l/min)
Sample gas temperature 0 to 50 °C
Sample gas humidity < 90% RH (relative humidity)
no condensation