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Measured medium: Compressed air, nitrogen, (free from aggressive, corrosive, acid, toxic, flammable and oxidising compo- nents).
Further gases on request
Measuring unit: Residual oil content in mg oil/norm m³ referred to 1.0 bar [abs], +20 °C, 0% relative humidity, in accordance with ISO 8573-1
Identifiable substances: Hydrocarbons, functional hydrocarbons, aromatic hydrocarbons
Field of application: After activated carbon filter, after activated carbon adsorber, after oil-free compressor, always with con- nected upstream filtration and dryer
Ambient temperature: +20 °C... +45 °C, rel. humidity <= 75% without condensation
Compressed air temperature: +20 °C... +50 °C
Operational overpressure: 3...9 bar, optional pressure reducer connected upstream for up to 300 bar
Humidity of measured gas: <= 40% rel. humidity, pressure dew point max. +10 °C, non-condensable humidity
Compressed air connection: G 1/4" female thread according to ISO 228-1
Measured values: mg/norm m³, pressure and temperature compensated residual oil vapour content
Measuring range: 0,001...5 mg/m³ (higher measuring ranges on request)
Detection limit (residual oil): 0,001 mg/m³
Flow of measuring gas: approx. 0,5 norm litres/minute, referred to to 1.0 bar [abs] and + 20 °C, (atmospheric conditions)
Plug-in power supply: 100...240 VAC/1 Ph./PE/50...60 Hz / ± 10%
Outputs:
Digital output: RS 485 interface (Modbus RTU), Ethernet via DS 400/500
Analogue output: 4...20 mA (electrically isolated)
Optional: 2x 4...20 mA analogue output (electrically isolated), 2 alarm relays for external alarm unit, alarm values freely adjustable
Operating hours counter: integrated
Dimensions (mm): 200 x 130 x 120 (W x H x D)
Weight: approx. 7 kg
