The ATEX version of the Particle Monitor LPM-II is approved for use in hazardous areas (zone 2/category 3G). The device thus meets the conditions to be used in e.g. oil and gas industry or chemical and process industry.

Product Features

• Determines contamination level of measured fluids in 8 size particle channels
• Precise and complete determination of particle sizes in accordance with international standards
• Integrated data storage for up to 4000 measuring results
• Integrated Modbus and CAN Bus interfaces can be used to connect the device to existing machine control, and data acquisition systems
• Option to specify different alarm thresholds
• Software on CD (included)
• ATEX compliant (Zone 2/Category 3G)

Technical Data

Channels

• >4, 6, 14, 21, 25, 38, 50, 70 µm(c) acc. to ISO 4406:1999

Measuring Range/Purity Classes

• ISO 4406:1999 Code 0 to 25, NAS 1638 classes 00 to 12,
  AS4059 Rev. E. tables 1 and 2 sizes A-F: classes 000 to 12,
  ISO 11218 classes 00 to 12 (lower codes or classes are test time-dependent)

Accuracy

• ±1/2 code for 4, 6, 14 µm(c)
• ±1 code for larger particles

Calibration

• Each device is individually calibrated using ISO Medium Test Dust (MTD) in accordance with ISO 11171 (1999)

Flow

• 20 to 400 ml/min (.005 to .11 US GPM)

Viscosity Range

• ≤ 1000 mm²/s

Temperature Range

• Media: -25 °C to + 80 °C (-13 °F to +176 °F)
• Ambient: -5 °C to +80 °C (+23 °F to +176 °F)

Weight

• 5,5 kg (12.16 lbs)

Power Supply

• 9 to 36 VDC

Fluid Compatibility

• M: suitable for Synthetic and Mineral Oil based fluids, Diesel and Petroleum
• G: Austenitic Stainless Steel, FKM (Viton®): suitable for offshore and aqueous fluids
• E: Austenitic Stainless Steel, Per fluorinated Rubber (FFKM): suitable for Phosphate Ester and aggressive media

Max. Permissible Operating Pressure

• 400 bar (5801 PSI) (Note: In systems with extreme pressure peaks, please contact STAUFF)

Test Duration

• Settable between 10 to 3600 sec., set ex-works to 120 sec.
• As standard with start delay and freely programmable test intervals

Moisture Sensor/Temperature Sensor

• % RH (relative humidity) ±3 %
• ±3 °C (±32 °F)

Volumetric Flow Measurement

• As display only

Hose Connections

• Test coupling STAUFF Test 20 or comparable (M16 x 2)

Data Storage

• Max. 4000 measuring results

Interfaces

• RS485, RS232, Modbus, CAN Bus

Current Consumption

• 12 V: 70 mA
• 24 V: 40 mA
• 36 V: 30 mA

Power

• <2,2 W

Housing Surface Treatment

• Polyester vinyl paint (light grey)
• Cast
• Stainless Steel
• Material spec.: ANC ABF/C

Wetted Parts

• M: C46400 Cu Alloy, 316 Stainless Steel, FKM (Viton®), FR4, Sapphire
• G: 316 Stainless Steel, FKM (Viton®), Sapphire
• E: 316 Stainless Steel, Per fluorinated Rubber (FFKM), Sapphire, EPDM

LPM-II-CX Particle Monitor (ATEX)