Capteur NDIR à diffusion à sortie analogique et numérique

Description

Key features

• Grande Précision
• Excellente sélectivité
• Durée de vie > 10 ans

Technical specifications

Accuracy

≤ ±2 % FS 1

Humidity

0 % to 95 % rel. humidity (not condensing)

Telephone

+49 (0) 7131/797553-0 | Telefax: +49 (0) 7131/797553-10 | www.smartgas.eu | [email protected]

0-2000 ppm

C1-030205-00000

Dimensions

72 mm x 55 mm x 34 mm (L x W x H)

Gas supply

by diffusion

Resolution

1 ppm to 0.01 Vol.% FS 1

ammonia NH

0-3.5 Vol.-% C1-200356-00000

smartMODUL

// Technical Data

0-20 Vol.-%

C1-212207-00000

Calibration

zero by jumper / SW and span by jumper

methane CH4

0-4.4 Vol.-% (0-100 % LEL) C1-040446-00000

Air pressure

950 to 1050 mbar

Maximum load

125 Ω

Warm-up time

< 2 minutes (start up time)

propane C3H8

0-1.7 Vol.-% (0-100 % LEL) C1-050176-00000

Repeatability

≤ ±2 % FS 1

ethylene C2H4

0-2.4 Vol.-% (0-100 % LEL) C1-030246-00000

Supply current

70 mA average, max. 140 mA

Supply voltage

12 - 28 V DC ± 5 %

n-butane C4H10

0-1.4 Vol.-% (0-100 % LEL) C1-020146-00000

Linearity error

≤ ±1 % FS 1

Measurement range

dependent on model – see list

Power consumption

< 1 Watt

refrigerant R404a

0-2000 ppm C1-740205-00000

carbon monoxide CO

0-2 Vol.-% C1-221206-00000

Response time (t90)

Appr. 30 s

Storage temperature

-20 °C to 60 °C

Digital output signal

Modbus ASCII via RS485

Lower detection limit

≤ 1 % FS 1 (typically)

Measurement principle

Non Dispersive Infra-Red (NDIR), dual wavelength

Operating temperature

-10 °C to 40 °C

Analogue output signal

0 - 20 mA linear

pentafluoroethane R125

0-2000 ppm C1-720205-00000

Temp. dependence (span)

≤ ±0.2 % FS 1 per °C

Temp. dependence (zero)

≤ ±0.01 % FS 1 per °C

tetrafluoroethane R134a

0-2000 ppm C1-710205-00000

sulphur hexafluoride SF6

0-1000 ppm (0-100 % TLV) C1-600105-00000

• Dual beam technology

acetylene C2H2 0-2.3 Vol.-% (0-100 % LEL) C1-010236-00000

chlorodifluoromethane R22

0-2000 ppm C1-700205-00000

Long term stability (span)

≤ ±2 % FS 1 over 12 month period

Long term stability (zero)

≤ ±2 % FS 1 over 12 month period

Pressure dependence (span)

0.1 % to 0.2 % per mbar 2

Pressure dependence (zero)

-

• Gas entry by diffusion

0-5 Vol.-% C1-212506-00000

dichlorotrifluoroethane R123

0-2000 ppm C1-730205-00000

• Infrared measuring principle (NDIR)

Gases * Measurement range Model type

• Zero and span calibration by jumper

carbon dioxide CO 0-5000 ppm (0-100 % TLV) C1-212505-00000

• Analogue interfaces (e.g. 4 – 20 mA)

3

* More gases and measuring ranges on request

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