Ex-classification

ATEX II 2G Ex px IIB+H2 T4 Gb X (Ex-Zone 1)

ATEX II 3G IIB+H2 T3 (Ex-Zone 2)

Measuring components / -

ranges

Air demａnd [CARI]

smallest measuring span 1,5 m3 Air / m3 Gas

largest measuring span 30 m3 Air / m3 Gas

Wobbe-Index [Wi]

smallest measuring span 5 MJ / m3

largest measuring span 120 MJ / m3

Specific Gravity [SG]

smallest measuring span 0,5

largest measuring span 3,0

Calorific value [LCV]

smallest measuring span 5 MJ / m3

largest measuring span 140 MJ / m3

Analogue signal port

4* 4 … 20 mA, galvanically separated

Reproducibility

Air Demａnd & Wobbe-Index 0,15 % - 0,2 % of the measuring value

Spec. Gravity and Cal. Value 1,0 % … 2,0 % of the measuring value

Lang term drift

≤ 0,5 % of measuring value / Month

T90-Time

5…15 seconds, depending on viscosity of the measuring

gas

Display

2* 16 digit back-lit LCD display

Messages

1 System message (Measuring value yes / no)

3 Messages (Service, Calibration, Status )

Digital Communication

serial Interface RS232

Option RS 485; Ethernet

Ambient operating temperature

from - 20 °C to + 60 °C

Operating temperature

from + 5 °C to + 60 °C; special version for up to 105 °C

Gas connections

Inlet / Outlet 6 / 12 mm, Ferrule pack

Gas flow volume

Measuring gas 20 … 100 Nl/h

Instrument Air 50 … 500 Nl/h (depending on Air demand)

Gas pressure (at Inlet)

Gas ≥ 0,1 bar (g), max. 17 bar (g)

instrument air ≥ 2 bar (g), max. 8 bar (g)

Power supply

115 or 230 VAC / 50 - 60 Hz, 1000 VA

Protection class / Housing

IP65 / 1000 x 900 x 350 mm (HxWxD)

Weight

~100… 155 kg depending on options and protection class

Options

Integrated catalytic remover of by-pass gas

Auto-calibration

Version: AMS RH7300 E V-2013-07