According to standard requirements of NAMUR NE21 (08/98)
Electrical safety
According to EN 61010-1, overvoltage category III
Power supply
100 … 120 V AC (rated range 90 V … 132 V), 48 … 63 Hz or 200 … 240 V AC (rated range 180 V … 264 V), 48 … 63 Hz
Power consumption
approx. 70 VA
Fuses
120 ... 120 V: F1/F2 = T 1.6 A;
200 ... 240 V: F1/F2 = T 1 A
Electrical inputs and outputs (per channel)
Analog output
0/2/4 … 20 mA, floating, max. load 750 ?
Relay outputs
6, with changeover contacts, freely selectable, e.g. for range identification;
loading capacity: 24 V AC/DC/1 A, floating, non sparking
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 additional binary inputs and 8 relay outputs; also with PROFIBUS PA and PROFIBUS DP
Ambient conditions
Perm. ambient temperature
-30 … +70 °C during storage and transport,
+5 … +45 ?C during operation
Permissible humidity
< 90% relative humidity, during storage and transport (dew point must not be fallen below)
Technical data, ULTRAMAT channel
Measuring ranges
4, switchable internally and externally; autoranging is also possible
Smallest possible measuring range
Depending on application, e.g.:
CO: 0 … 10 vpm
CO2: 0 … 5 vpm
Largest possible measuring range
Depending on application
Measuring ranges with suppressed zero
Any zero point is possible between 0 and 100%; smallest possible span 20%
Characteristic
Linearized
Gas inlet conditions
Permissible sample gas pressure
Without pressure switch
600 … 1500 hPa (absolute)
With pressure switch
600 … 1300 hPa (absolute)
Sample gas flow
18 … 90 l/h (0.3 … 1.5 l/min)
Sample gas temperature
0 … 50 ?C
Sample gas humidity
< 90 % relative humidity or depending on application, without condensation
Time response
Warm-up period
With amb. temperature < 30 min (maximum accuracy achieved after 2 hours)
Response time (T90 time)
Dependent on length of analyzer cell, sample gas line and parameterizable damping
Damping (electric time constant)
0 to 100 s, programmable
Dead time (purging time of gas path in analyzer at 1 l/min)
Approx. 0.5 to 5 s, depending on version
Time for internal signal processing
< 1 s
Pressure correction range
Pressure sensor
internal
600 … 1200 hPa absolute
external
600 … 1500 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
± 0,1% ... ± 1% of smallest possible measuring range specified on rating plate depending on the unit electronic time constant (corresponds to ± 0.33% with 2?)
Zero drift
< 1% of measuring range/week
Measured-value drift
< 1% of measuring range/week
Repeatability
? 1% of respective measuring range
Linearity error
< 0.5% of full-scale value
Influencing variables (referred to 1000 hPa absolute sample gas pressure, 0.5 l/min sample gas flow and 25 °C ambient temperature)
Ambient temperature
< 1% of measuring range/10 K (only with stable EK temperature)
Sample gas pressure
With pressure compensation: < 0.15% of span/1% change in atmospheric pressure
without pressure compensation: < 1.5% of span/1% change in atmospheric pressure
Sample gas flow
Negligible
Power supply
< 0.1% of output signal span with rated voltage ± 10%
Ambient conditions
Application-dependent influencing of measurement if ambient air contains measured component or cross-sensitive gases
Technical data, OXYMAT channel
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)
0.5% v/v, 2% v/v or 5% v/v O2
Largest possible measuring span
100 % 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
Gas inlet conditions
Permissible sample gas pressure
for analyzers with pipes
500 … 3000 hPa absolute
for analyzers with hoses
without pressure switch
500 … 1500 hPa absolute
with pressure switch
500 … 1300 hPa absolute
Sample gas flow
18 … 60 l/h (0.3 … 1 l/min)
Sample gas temperature
0 … 50 ?C
Sample gas humidity
< 90% RH (relative humidity)
Time response
Warm-up period
With ambient temperature < 30 min (maximum accuracy achieved after 2 hours)
Reading delay time
min. 1.5 … 3.5 s, depending on version
Damping (electric time constant)
0 to 100 s, programmable
Dead time (purging time of gas path in analyzer at 1 l/min)
Approx. 0.5 … 2.5 s depending on version
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 2?)
Zero drift
< 0.5%/month of smallest possible meas. span specified on rating plate
Measured-value drift
< 0.5%/month of respective measuring span
Repeatability
< 1%/month of respective measuring span
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 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
Power supply
< 0.1% of output signal span with rated voltage ± 10%
