Particle Monitor: LPM-II-plus
The LPM-II-plus Particle Monitor determines the contamination level of the measured fluid on eight size channels and offers precise and complete determination of particle sizes in accordance with international standards.
The LPM-II-plus is an automatic, optical particle counter with high-performance LEDs that work on the light obscuration principle. STAUFF recommends recalibrating the measuring equipment at regular intervals.
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Specifications
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Mechanical
Channels > 4, 6, 14, 21, 25, 38, 50, 70 μm(c) according to ISO 4406:1999 - Measuring Range / Purity Classes ISO 4406:1999 Code 0 to 25, NAS 1638 Class 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 Precision ±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 ... 400 ml/min / 0.005 ... 0.11 GPM - Viscosity Range ≤ 1000 mm²/s - Medium Temperature -25 °C ... +80 °C / -13 °F ... +176 °F Pressure-dependent Ambient Temperature LMP II-O: -25 °C ... +80 °C / -13 °F ... +176 °F - LMP II-D: -25 °C ... +55 °C / -13 °F ... +131 °F - Weight 1.6 kg / 3.53 lbs - 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, Perfluorinated Rubber (FFKM): suitable for Phosphate Ester and aggressive media - Maximum Permissible Operating Pressure 420 bar / 6,091 PSI static Temperature dependent Test Duration Settable between 10 ... 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) - Technical Data
Data Storage Maximum 4,000 measuring results - Interfaces RS485, RS232, Modbus, CAN Bus - 4-20 mA time multiplex interface - "USB interface to transfer measured data to a data carrier" Optional International Protection Rating IP 65/67: Dust-proof and protected from spray - Impact resistance rating IK04 - Power Supply / Power 9 ... 36 V DC, < 2.2 W Connecting cable with flying leads is included Current Consumption 12 V: 70 mA (LPM-II-plus-O), 150 mA (LPM-II-plus-D) - 24 V: 40 mA (LPM-II-plus-O), 80 mA (LPM-II-plus-D) - 36 V: 30 mA (LPM-II-plus-O), 60 mA (LPM-II-plus-D) - Housing Surface Treatment Polyurethane based paint, according to BSX34 color BS381-638 Dark sea grey Tested according to: BS2X34A and BS2X34B, MMO114 and SP-J-513-083 Part II. Cl. A - The unit meets: MIL-PRF-85285 - Wetted Parts
M C46400 Cu Alloy, 316 Stainless Steel, FKM (Viton®), FR4, Sapphire - G 316 Stainless Steel, FKM (Viton®), Sapphire - E 316 Stainless Steel, Perfluorinated Rubber (FFKM), Sapphire, EPDM - -
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