ExTox – (AS-1, AS-1 Biogas) or 2 (AS-2) sampling unit
Aspiration system for one (AS-1) or two (AS-2) measured gases: sampling of measured gas in a wall-mounted steel cabinet 500x500x300mm. Continuous sampling and measurement.
Version AS-1 Biogas (Especially suitable for biogas applications, e.g. CH4, CO2 and O2 measurement; not for H2S): Including flame protection and automatic condensate separator with peristaltic pump.
Characteristics
Sensors
- Number: 1 (AS-1, AS-1 Biogas) or 2 (AS-2)
- Type selectable 4-20mA (not included in delivery)
Gas central
- External, not included in the delivery.
Gas sampling
- Gas pump
- Electrical flow monitoring using pressure difference measurement: in case of under-scale of the minimum flow, error indication is issued by interrupting the output signal of the transmitter (4...20 mA)
- 2 connections (4/6 mm) for inlet and outlet of measured gas in bottom of the housing
- 1 connection (4/6 mm) for condensate outlet at the bottom of the cabinet (only AS-1 Biogas)
Conditioning of measured gas
- Condensate trap with peristaltic pump 340 ml/h (only AS-1 Biogas)
- Flame protection Ex IIG IIB3 in the gas inlet (only AS-1 Biogas)
Hose
- PE/PP
Operating conditions
Distance for hose: When using hose 4/6 mm (inner/outer Ø: 4/6 mm)
- Standard: ≤ 50 m
- High-performance gas suction pump (optional): ≥ 100 m
Operating temperature
- -10 °C till +40 °C
- Additional limitations due to sensors must be taken into account
- In general, an outdoor installation is not recommended, as measurement accuracy and service life are generally negatively affected. However, if necessary, contact ppm Industrial to design a suitable type
Pressure at suction point (relative ambient pressure)
- Standard: up to ±50 hPa
- High-performance gas suction pump (optional): up to ± 100 hPa
Product sheet
ExTox – (AS-1, AS-1 Biogas) or 2 (AS-2) sampling unit - Data sheet
