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 |