Ambient temperature

25?

Atmospheric pressure

Atmospheric (approx. 1 000 hPa)

Sample gas flow

0.6 l/min (or Nl/min)

Reference gas

Nitrogen

Site of installation

Vibration- and impact-free

General information

Weight

Approx. 5.5 kg (standard version)

Measuring ranges

Number of measuring ranges

Max. 4; parameters can be assigned freely

Parameters can be assigned in the measuring ranges

• Smallest possible measuring spans

0.5% (? 1% for high-temperature model), 2% or 5% O₂

• Largest possible measuring span

100% O₂

Gas inlet conditions

Sample gas pressure

• Devices with hoses

500 … 1 500 hPa (abs.)

• Devices with pipes

• Without vibration compensation

500 to 3 000 hPa (abs.); short-term max. 5 000 hPa (abs.)

• With vibration compensation

500 to 2 500 hPa (abs.); short-term max. 5 000 hPa (abs.)

Correction of the internal pressure sensor

• Devices with hoses

500 … 1 450 hPa (abs.)

• Devices with pipes

500 … 2 450 hPa (abs.)

Reference gas pressure

• High-pressure connection

0.2 to 0.4 MPa above the sample gas pressure, but a maximum of 0.5 MPa (absolute)

• Without vibration compensation

2 000 … 3 500 hPa above sample gas pressure; max. 5 000 hPa (abs.)

• With vibration compensation

2 500 … 4 000 hPa above sample gas pressure; max. 5 000 hPa (abs.)

• Low-pressure connection with external reference gas pump (only for sample gas pressure 500 to 1 500 hPa (absolute))

100 hPa above the sample gas pressure

Pressure loss between sample gas inlet and sample gas outlet

< 100 hPa at 1 l/min

Sample gas flow

18 … 60 l/h (0.3 … 1 l/min)

Sample gas temperature

0 … 60 °C

Sample gas humidity (rel. humidity)

< 90% (condensation inside the gas path is to be avoided)

Sample chamber temperature

Standard version

Approx. 72?

Time response

Warm-up period at room temperature

< 2 h

Dead time (T10)

< 0.5 s at 1 l/min

Signal rise time or fall time for a flow rate of 1 l/min, a static attenuation constant and a dynamic attenuation constant of 0 s

< 1 s

Time for device-internal signal processing

approx. 1 s

Delayed display T90

T90 < T10 + rise or fall time + signal processing time

Measuring response

Output signal fluctuation

? 0.5 % of the current measuring span (6 ? value) for a static attenuation constant of 0 s and a dynamic attenuation setting of 5 % / 10 s
(with activated vibration compensation: 1.5 times the value

Detection limit

? 1% of smallest measuring span according to nameplate (with vibration compensation activated: 1.5 times the value)

Measured-value drift

? 0.5%/month of current measuring span or ? 50 vpm oxygen, whichever is larger

Repeatability

? 0.5 % of current measuring span

Linearity error

? 0.1 % with ambient air as reference gas

Influencing variables

Ambient temperature

• At the zero point

? 0.5% of smallest measuring span according to nameplate/10 K or ? 50 vpm O₂/10 K, whichever is larger

• At span

? 0.5% of the current measuring span/10 K or ? 50 vpm O₂/10 K, whichever is larger

Sample gas pressure

• Without pressure compensation

Deviation approx. 2% of current measuring span/1% pressure variation

• With pressure compensation switched on

? 0.2% of the current measuring span/1% pressure variation or ? 50 vpm O₂/1% pressure variation, whichever is larger

Sample gas flow

? 1% of the current measuring span with a flow rate change of 0.1 l/min within the permissible flow range (0.3 to 1 l/min)

Accompanying gases

Zero point deviation (cross-sensitivity) in accordance with Table A.1 of EN 61207-3

Supply voltage (fluctuations of the supply voltage of the basic unit*) in the range of 90 to 253 V AC/47 to 63 Hz)

? 0.1% of full-scale value of characteristic

Electrical inputs and outputs

Analog and digital interfaces

See basic unit

Gas connections

With hoses

Plastic screw connection for plastic pipe or tube 4 mm/6 mm

With pipes

Connection for threaded joint; ISO female thread 1/8"

Climatic conditions

Storage and transport

?30 … 70°C

Permissible ambient temperature (for operation in basic unit)

0 … 50?

Relative humidity (RH) during storage, transport or operation

< 90% (condensation from the installed components is to be avoided)

Materials of wetted parts

Sample chamber

Stainless steel:

• Plates: Mat. No. 1.4571 (X6CrNiMoTi 17-12-2)
• Screw-in glands: Mat. No. 1.4404 (X2CrNiMo17-12-2)

Hastelloy C22:

• Plates: Mat. No. 2.4602 (NiCr21Mo14W)
• Screw-in glands: Mat. No. 2.4819 (NiMo16Cr15W)

Gas path

• With hoses

FPM (e.g. Viton), connections PVDF

• With pipes

Stainless steel:

• Pipes: Mat. No. 1.4571 (X6CrNiMoTi 17-12-2)
• Gas connections: Mat. No. 1.4404 (X2CrNiMo 17-12-2)

Hastelloy C22:

• Pipes: Mat. No. 2.4602 (NiCr21Mo14W)
• Gas connections: Mat. No. 2.4819 (NiMo16Cr15W)

Sealing material

FPM (e.g. Viton) or FFKM Compound 2035 (e.g. Kalrez 2035 (see device certificate))

Special applications

Gas path

• With pipes

Materials adapted to the application