Siemens
СРЕДСТВА ПРОМЫШЛЕННОЙ АВТОМАТИЗАЦИИ
официальный партнер Сименс
Каталог СА01 2012
архивный
(4872) 700-366
skenergo@mail.ru

7MB2338-.....-....


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7MB2338-.....-....12820ГАЗОВЫЙ АНАЛИЗАТОР ULTRAMAT 23 ДЛЯ ИЗМЕРЕНИЯ 3 ГАЗОВ И КИСЛОРОДА11342

19" rack unit and portable version

ULTRAMAT 23, 19" rack unit and portable version

General information

Measured components

Maximum of 4, comprising three infrared-sensitive gases and oxygen

Measuring ranges

Two per measured component

Display

LCD with LED backlighting and contrast control; function keys; 80 characters (4 lines/20 characters)

Operating position

Front wall, vertical

Conformity

CE symbol EN 61000-6-2, EN 61000-6-4

Design, enclosure

Weight

Approximately 10 kg

Degree of protection, 19" rack unit and desktop model

IP20 according to EN 60529

Electrical characteristics

EMC (Electromagnetic Compatibility) (safety extra-low voltage (SELV) with safety isolation)

In accordance with standard requirements 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

Electrical inputs and outputs

Analog output

Per component, 0/2/4 up to 20 mA, NAMUR, isolated, max. load 750

Relay outputs

8, with changeover contacts, freely parameterizable, e.g. for measuring range identification;

24 V AC/DC/1 A load, potential-free, non-sparking

Binary inputs

3, dimensioned for 24 V, potential-free

  • Pump

  • AUTOCAL

  • Synchronization

Serial interface

RS 485

AUTOCAL function

Automatic unit calibration with ambient air (depending on measured component); adjustable cycle time from 0 (1) …  24 hours

Options

Add-on electronics, each with 8 additional binary inputs and relay outputs for e.g. triggering of automatic calibration and for PROFIBUS PA or PROFIBUS DP

Climatic conditions

Permissible ambient temperature

  • During operation

5 … 45 °C

  • During storage and transportation

-20 ... +60 °C

Permissible ambient humidity

< 90% RH (relative humidity) during storage and transportation

Permissible pressure fluctuations

600 … 1 200 hPa

Gas inlet conditions

Sample gas pressure

  • Without pump

Unpressurized (< 1 200 hPa, absolute)

  • With pump

Depressurized suction mode, set in factory with 2 m hose at sample gas outlet; full-scale value calibration necessary under different venting conditions

Sample gas flow

72 … 120 l/h (1.2 … 2 l/min)

Sample gas temperature

Min. 0 to max. 50 °C, but above the dew point

Sample gas humidity

< 90% RH (relative humidity), non-condensing


Technical data, infrared channel

So that the technical data can be complied with, a cycle time of  24 hours must be activated for the AUTOCAL. The cycle time of the AUTOCAL function must be  6 hours when measuring small NO and SO2 measuring ranges (  400 mg/m ) on TUV/QAL-certified systems.

Measuring ranges

See ordering data

Chopper compartment flushing

Upstream pressure approximately 3 000 hPa; purging gas consumption approximately 100 ml/min

Dynamic response

Warm-up period

Approximately 30 min (at room temperature) (the technical specification will be met after 2 hours)

Delayed display (T90-time)

Dependent on length of analyzer chamber, sample gas line and parameterizable damping

Damping (electrical time constant)

Parameterizable from 0 … 99.9 s

Measuring response

(relating to sample gas pressure 1 013 hPa absolute, 1.0 l/min sample gas flow and 25 °C ambient temperature)

Output signal fluctuation

< ± 1% of the current measuring range (see rating plate)

Detection limit

1 % of the current measuring range

Linearity error

  • In largest possible measuring range:
    < ± 1% of the full-scale value
  • In smallest possible measuring range:
    < ± 2% of the full-scale value

Repeatability

± 1% of the current measuring range

Drift

Zero point

  • With AUTOCAL

Negligible

  • Without AUTOCAL

< 2 % of the current measuring range/week

Full-scale value drift

  • With AUTOCAL

Negligible

  • Without AUTOCAL

< 2 % of the current measuring range/week

Influencing variables

(relating to sample gas pressure 1 013 hPa absolute, 1.0 l/min sample gas flow and 25 °C ambient temperature)

Temperature

Max. 2% of the smallest possible measuring range according to rating plate per 10 K with an AUTOCAL cycle time of 6 h

Atmospheric pressure

< 0.2% of the current measuring range per 1% pressure change

Power supply

< 0.1% of the current measuring range with a change of ± 10%


Technical data, oxygen channel (electrochemical)

Measuring ranges

0 … 5 % … 0 … 25 % O2, parameterizable

Service life

Approximately 2 years at 21% O2; continuous duty < 0.5% O2 will destroy the measuring cell

Detection limit

1% of the current measuring range

Dynamic response

Delayed display (T90-time)

Dependent on dead time and parameterizable damping, not > 30 s at approximately 1.2 l/min sample gas flow

Measuring response

(relating to sample gas pressure 1 013 hPa absolute, 1.0 l/min sample gas flow and 25 °C ambient temperature)

Output signal fluctuation

< ± 0.5% of the current measuring range

Linearity error

< ± 0.2% of the current measuring range

Repeatability

0.05 % O2

Drift

  • With AUTOCAL

Negligible

  • Without AUTOCAL

1 % O2/year in air, typical

Temperature

< ± 0.5% O2 per 20 K, relating to a measured value at 20 °C

Atmospheric pressure

< 0.2 % of the measured value per 1 % pressure change

Influencing variables

(relating to sample gas pressure 1 013 hPa absolute, 1.0 l/min sample gas flow and 25 °C ambient temperature)

Oxygen content

Intermittent operation < 0.5% O2 leads to falsification of the measured value

Accompanying gases

The oxygen sensor must not be used if the accompanying gas contains the following components: Chlorine or fluorine compounds, heavy metals, aerosols, mercaptans, alkaline components (such as NH3 in % range)

Typical combustion exhaust gases

Influence: < 0.05% O2

Humidity

H2O dew point 2 °C; the oxygen sensor must not be used with dry sample gases (however, no condensation either)


Technical data, H2S channel

Measured components

Maximum of four, comprising one or two infrared-sensitive gases, one oxygen component and one hydrogen sulfide component

Measuring ranges of H2S sensor MB 5000

  • Smallest measuring range

0 ... 500 vpm

  • Largest measuring range

0 ... 5 000 vpm

Service life of the sensor

Approx. 12 months

Permissible ambient pressure

750 ... 1 200 hPa

Permissible operating temperature

5 ... 40 °C (41 ... 104 °F)

Influencing variables

Accompanying gases

The hydrogen sulfide sensor must not be used if the accompanying gas contains the following components:

  • Compounds containing chlorine
  • Compounds containing fluorine
  • Heavy metals
  • Aerosols
  • Alkaline components
    (e.g. NH3 > 5%)

Cross-inference (interfering gases)

100 ppm SO2 result in a cross-interference of < 30 ppm H2S

Drift

< 1% per month

Temperature

< 3%/10 K referred to full-scale value

Atmospheric pressure

< 0.2% of the measured value per 1% pressure change

Measuring response

Delayed display (T90 time)

< 80 s with sample gas flow of approx. 1 ... 1.2 l/min

Output signal noise

< 15 ppm H2S

Display resolution

< 0.2% of the full-scale value

Output signal resolution

< 30 ppm H2S

Repeatability

< 4% referred to full-scale value


Technical data, paramagnetic oxygen cell

Measured components

Maximum of four, comprising up to three infrared-sensitive gases and an oxygen component

Measuring ranges

Two per component

  • Min. 0 ... 2% vol O2
  • Max. 0 ... 100% vol O2

Permissible ambient pressure

700 ... 1 200 hPa

Permissible operating temperature

5 ... 45 °C (41 ... 113 °F)

Cross-inference (interfering gases)

See Table "Cross-sensitivities"

Zero point drift

  • Measuring range 2%: max. 0.1% with weekly zero adjustment
  • Measuring range 5%: max. 0.1% with weekly zero adjustment
  • Measuring range 25% or greater:
    max. 0.5% with monthly zero adjustment

Temperature error

< 2%/10 K referred to measuring range 5%

< 5%/10 K referred to measuring range 2%

Humidity error for N2 with 90% relative humidity after 30 min

< 0.6% at 50 °C

Atmospheric pressure

< 0.2% of measured value per 1% pressure change

Delayed display (T90 time)

< 60 s

Output signal noise

< 1% of smallest measuring range

Repeatability

< 1% of smallest measuring range
























































Каталог оборудования 2012
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