Полевой корпус

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  Чертеж

  

  OXYMAT 6, field unit, dimensions in mm

  Схема подключения

  Pin assignment (electrical and gas connections)

  

  OXYMAT 6, field unit, connector and terminal assignment

  

  OXYMAT 6, field unit, connector and terminal assignment of the Autolcal board and PROFIBUS connectors

  

  OXYMAT 6, field unit, gas and electrical connections

  Технические данные

  General
  Measuring ranges	4, switchable internally and externally; autoranging is also possible
  Smallest possible measuring span (referred to 1000 hPa absolute sample gas pressure, 0.5 l/min sample gas flow and 25 °C ambient temperature, smallest possible measuring span with heated version: 0.5% (< 65 °C); 0.5 … 1% (65 … 90 °C); 1 … 2% (90 … 130 °C)	0.5% v/v 2% v/v or 5% v/v O2
  Largest possible measuring span	100% v/v O2 (for a pressure over 2000 hPa: 25% v/v O2)
  Measuring ranges with suppressed zero	Any zero point is possible between 0 and 100% v/v as long as a suitable reference gas is used (see Table 1 in „Function“)
  Position of use	Front panel vertical
  Conformity	CE identification EN 50081-1, EN 50082-2
  Design, enclosure
  Degree of protection	IP65 according to EN 60529, gas restricted breathing according to EN 50021
  Weight	Approx. 28 kg
  Electrical characteristics
  Power supply	100 to 120 V AC (rated range 90 V to 132 V), 48 to 63 Hz or 200 to 240 V AC (rated range 180 V to 264 V), 48 to 63 Hz
  Power consumption	Approx. 35 VA, approx. 330 VA with heated version
  EMC interference immunity (ElectroMagnetic Compatibility)	According to standard requirements of NAMUR NE21 (08/98), EN 61326, EN 50270 (with gas warning unit)
  Electrical safety	According to EN 61010-1
  Heated units	Overvoltage category II
  Unheated units	Overvoltage category III
  Fuses (units wihout heating)
  100 ... 120 V	F3: 1T/250; F4: 1T/250
  200 ... 240 V	F3: 0.63T/250; F4: 0.63T/250
  Fuses (units wih heating)
  100 ... 120 V	F1: 1T/250; F2: 4T/250 F3: 4T/250; F4: 4T/250
  200 ... 240 V	F1: 0.63T/250; F2: 2.5T/250 F3: 2.5T/250; F4: 2.5T/250
  Gas inlet conditions
  Permissible sample gas pressure
  For analyzers with hoses	500 … 1500 hPa absolute
  For analyzers with piping	500 … 3000 hPa absolute
  For analyzers with piping, Ex version
  Leakage compensation	500 … 1160 hPa absolute
  Continuous purging	500 … 3000 hPa absolute
  Purging gas pressure
  Permanent	< 165 hPa above environment
  Short time	Max. 250 hPa above environment
  Sample gas flow	18 … 60 l/h (0.3 … 1 l/min)
  Sample gas temperature	0 … 50 ºC (unheated) 15 °C over temperature analyzer section (heated)
  Sample gas humidity	< 90 % relative humidity
  Time response
  Warm-up period	With ambient temperature < 30 min (maximum accuracy achieved after 2 hours)
  Response time	T90 <1.5 s
  Damping (electric time constant)	0 … 100 s, programmable
  Dead time (purging time of gas path in analyzer at 1 l/min)	Approx. 0.5 s
  Time for internal signal processing	< 1 s
  Pressure correction range
  Pressure sensor
  Internal	500 … 2000 hPa absolute
  External	500 … 3000 hPa absolute
  Measuring response (referred to 1000 hPa absolute sample gas pressure, 0.5 l/min sample gas flow and 25 °C ambient temperature)
  Output signal fluctuation	< 0.75% of smallest possible measuring range specified on rating plate with an electronic time constant of 1 s (corresponds to ± 0.25% with 2σ)
  Zero drift	< 0.5%/month of smallest possible measuring span specified on rating plate
  Measured-value drift	< 0.5%/month of respective measuring span
  Repeatability	< 1%/ month of respective measuring span
  Minimum detectable quantity	1% of current measuring range
  Linearity error	< 1%/ month of respective measuring span
  Influencing variables (referred to 1000 hPa absolute sample gas pressure, 0.5 l/min sample gas flow and 25 °C ambient temperature)
  Ambient temperature	< 0.5%/10 K referred to the smallest possible measuring span according to rating plate, with measuring span 0.5%: 1%/10 K
  Sample gas pressure (with air (100 hPa) as reference gas, a correction of the atmospheric pressure fluctuations is only possible when the sample gas is vented to ambient air)	Without pressure compensation: < 2% of measuring span/1% change in pressure with pressure compensation: < 0.2% of measuring span/1% change in pressure
  Residual gases	Deviation in zero point corresponding to paramagnetic or diamagnetic deviation of residual gas
  Sample gas flow	< 1% of smallest possible measuring span according to rating plate with a change in flow of 0.1 l/min within the permissible flow range; heated version up to double error
  Power supply	< 0.1% of output signal span with rated voltage ± 10%
  Electric inputs and outputs
  Analog output	0/2/4 … 20 mA, floating; max. load 750 Ω
  Relay outputs	6, with changeover contacts, freely selectable, e.g. for range identification; loading capacity: 24 V AC/DC/ 1 A, floating
  Analog inputs	2, designed for 0/2/4 … 20 mA, for external pressure sensor and correction of influence of residual gas (correction of cross interference)
  Binary inputs	6, designed for 24 V, floating, freely-selectable, e.g. for range switching
  Serial interface	RS 485
  Options	Autocal function with 8 binary inputs and 8 relay outputs; also with PROFIBUS PA or PROFIBUS DP
  Ambient conditions
  Perm. ambient temperature	-30 … +70 °C during storage and transport, +5 to +45 ºC during operation
  Permissible humidity	< 90% relative humidity as annual average, during storage and transport (dew point must not be fallen below)