C79451-A3480-D511

Measuring ranges

4, switchable between internal and external; manual and automatic measuring range switchover possible

Smallest possible measuring span

0 ... 10 ppm

Verification limit

0.1 ppm

Largest possible measuring span

99.999 ppm

Concentration units

ppm, C₁, C₃, C₆ or mgC/m³

Automatic measuring range switchover

Hysteresis, selectable

Measured value display

Digital concentration display (5 digits with floating point)

Resolution of the digital display

0.1% of the measured value

Position of use

Front panel vertical

Conformity

CE mark
EN 50081-1, EN 50082-2

Oven temperature

Adjustable 100 ... 200 °C

Design, enclosure

Degree of protection

IP20 in accordance with EN 60529

Weight

approx. 23 kg

Electrical characteristics

Auxiliary power

100 ... 120 V AC (rated operational range 90 V ... 132 V), 48 ... 63 Hz or

200 ... 240 V AC (rated operational range 180 V ... 264 V), 48 ... 63 Hz

Power consumption

approx. 150 VA in operation,
approx. 350 VA in the warm-up phase

EMC (Electromagnetic Compatibility)

in accordance with standard NAMUR NE21 requirements (08/98)

Electrical safety

in accordance with EN 61010-1, overvoltage category II

Fuse values

100 ... 120 V: 4.0T/250
200 ... 240 V: 2.5T/250

Gas inlet conditions

Permissible sample gas pressure

• without pump

< 2000 hPa abs.

• with built-in pump

600 … 1100 hPa

Sample gas flow

18 ... 60 l/h (0.3 ... 1 l/min)

Sample gas temperature

0 ... 200 °C

Sample gas humidity

< 90 % RH
(RH: relative humidity.)

Time response

Warm-up period

approx. 2-3 h at room temperature

Response time (T₉₀)

2 ... 3 s

Attenuation (electrical time constant)

0 ... 100 s, parameterizable

Dead time (purging time of the gas line in the device at 1 l/min)

with filter 2 ... 3 s

Time for signal processing in the device

< 1 s

Measuring response

Output signal fluctuation

< 0.75% of the smallest possible measuring range according to the rating plate at an electronic attenuation constant of 1 s (this corresponds to ± 0.25% at 2?)

Zero drift

< 0.5%/month of the smallest possible measuring span according to the rating plate

Measured value drift

< 1%/week of the appropriate measuring span

Repetition precision

< 1% of the appropriate measuring span

Minimum detectable quantity

0.1 ppm (version for ultra-pure gas measurement: 50 ppb)

Linearity error

< 1% of the appropriate measuring span

Influencing variables

Ambient temperature

< 1%/10 K related to the least possible measuring span according to the rating plate

Ambient pressure

< 1%/50 hPa

Sample gas pressure

< 2% of the measuring span/1% pressure change (within 600 … 1100 hPa)

Auxiliary power

< 1% at a change in the output signal span of ± 10%

Frequency

< 1%

Position influence

< 1% at an inclination < 15°

Electrical inputs and outputs

Analog output

0/2/4 ... 20 mA, floating; max. load 750 ?

Relay outputs

6, with freely parameterizable changeover contacts for identifying the measuring range, for example; load rating: 24 V AC/DC /1 A, floating

Analog inputs

2, designed for 0/2/4 to 20 mA for pressure pick-ups externally and for correcting the influence of residual gas (interfering gas)

Binary inputs

6, designed for 24 V, floating, freely parameterizable, for measuring range switchover, for example

Serial interface

RS 485

Options

Autocal function with 8 additional binary inputs and relay outputs, also with PROFIBUS PA or PROFIBUS DP

Climatic conditions

Permissible ambient temperature

5 ... +45 °C in operation,

-30 ... +70 °C for storage and transport

Permissible humidity

< 90% RH (RH: relative humidity) mid-year, for storage and transport (dew point must not be fallen below)

Gases

Operating pressure

Input pressure

Pump startup

Flow through FID

Flow through bypass

without

with

hPa (abs.)

hPa (abs.)

hPa (abs.)

ml/min

ml/min

Combustion gas

3000 ... 5000

1000 ± 20

~ 25

—

Combustion air

3000 ... 5000

1420 ± 20

1500

~ 320

~ 500

Sample gas

~ 1000

—

1500 ± 2

~ 3

~ 1000

Zero gas

3500 ... 4000

—

1500 ± 2

~ 3

~ 1000

Calibration gas

3500 ... 4000

—

1500 ± 2

~ 3

~ 1000

Gases

Operating pressure

Input pressure

Sample/calibration gas

Flow through FID

Flow through bypass

without

with

hPa (abs.)

hPa (abs.)

hPa (abs.)

ml/min

ml/min

Combustion gas

3000 ... 5000

1000 ± 20

~ 25

—

Combustion air

3000 ... 5000

1485 ± 2

1500

~ 320

~ 300

Sample gas

~ 2000

—

1500 ± 2

~ 3

~ 500

Zero gas

~ 2000

—

1500 ± 2

~ 3

~ 500

Calibration gas

~ 2000

—

1500 ± 2

~ 3

~ 500

Gases

Input pressure

Operating pressure

Flow through FID

Flow through bypass

Pump startup

without

with

hPa (abs.)

hPa (abs.)

hPa (abs.)

ml/min

ml/min

Combustion gas

3000 ... 5000

1000 ± 20

~ 25

xxxx

Sample gas

~ 1000

Xxxx

1500 ± 2

~ 3

~ 500

Zero gas

3500 ... 4000

Xxxx

1500 ± 2

~ 3

~ 500

Calibration gas

3500 ... 4000

xxxx

1500 ± 2

~ 3

~ 500