Particle Counter

Pamas

Since 1992, PAMAS develops, manufactures, distributes and services liquid particle counters to measure particulate contamination in liquids. The highly sophisticated optical sensors are manufactured at the company plant in Germany with own department for Research and Development.
PAMAS is market leader for high-quality liquid particle counting systems.

PAMAS particle counters

Pamas particle measuring systems are used to control cleanliness of liquids and to identify deficiencies and excessive wear in order to avoid eventual costly machine failures.

PAMAS liquid particle counters measure solid particulate contamination of liquids and control the efficiency of filters and the cleanliness of liquids.

Particles circulating at high speed and pressure in the liquids of turbines, power plants, gearboxes and offshore applications are capable of damaging mechanical parts of the system.

Particles affect both the quality of liquids (e.g. contaminants in pharmaceutical solutions, drinking water or process water), and also the connected components and machines (e.g. in aviation and hydraulics in general).

With the help of these standards, the user can easily and quickly assess the fluid‘s contamination level. In the oil industry, there are 7 approved industrial standards commonly used for fluid cleanliness classification.

PAMAS particle counters are able to measure quantity and size of each individual contaminant in the oil. The measuring results about the oil cleanliness are reported in compliance with the common oil cleanliness

 

Standard

Calibrating Procedure and Calibration material

Particle size channels

DEF STAN 91-91

ISO 11171 Test dust: ISO MTD

Three size intervals for the particle sizes
> 4 µm(c), > 6 µm(c) and > 14 µm(c)

ISO 4406:1987 (withdrawn)

ISO 4402 Test dust: ACFTD

Two or Three size intervals
> 5 µm and > 15 µm or > 2 µm, > 5 µm and > 14 µm

ISO 4406:1999

ISO 11171 Test dust: ISO MTD

Three size intervals for the particle sizes
> 4 µm(c), > 6 µm(c) and > 14 µm(c)

NAS 1638 (withdrawn)

usually ISO 4402 Test dust: ACFTD

Five size intervals for the particle sizes > 5 µm, > 15 µm, > 25 µm, > 50 µm and > 100 µm

SAE AS 4059

ISO 11171

Six size intervals for the particle sizes > 4 µm(c), > 6 µm(c), > 14 µm(c), > 21 µm(c), > 38 µm(c) and > 70 µm(c)

Particle counter for hydraulic and lubricating oil

In hydraulic and lubricating oil systems, particle counters are used for oil contamination analysis. Long term condition monitoring of hydraulic and lubrication oil systems is requirements for continuous operation: Preventive analysis methods make a future need of repair and maintenance predictable. The portable particle counters of the PAMAS S40 product series are used for batch and online sampling and onsite measurements.

In fluid power systems, oil is used for power and energy transmission. The pressurized fluid transfers energy from a pump to a power machine. Pressurised liquids are used e.g. in mobile hydraulic systems including agricultural machinery, forklift and pallet trucks, hoists and in construction machinery. The PAMAS HCB-LD-50/50 particle sensor is mostly applied for the analysis of hydraulic oil; it has a sensor orifice of 500 µm x 500 µm. Due to its high maximum particle concentration, the standard sensor is able to reliably and accurately measure highly contaminated hydraulic fluids. In special cases, the PAMAS HCB-LD-25/25 with a sensor orifice of 250 µm x 250 µm can be used for particularly contaminated hydraulic oil. PAMAS particle counters can cope with high pressures up to 420 bar and thus are ideal instruments for the analysis of hydraulic fluids: During online measurement, the pressurized hydraulic fluid is analysed under real conditions in its original physical state during operation. During normal operation, the circulating particles move with high speed through the liquid. A particle analysis under real conditions enables to detect the real level of contamination as it indeed occurs during operation. The result of online measurement thus reflects the real cleanliness level in the fluid power system.

In tribology system, high viscous lubricating oil is used to reduce friction and heat. The oil lays as lubrication film between mechanical parts and prevents abrasion (e.g. in gear boxes, bearings and motors).

PAMAS AS3

PAMAS AS3

Autosampling system with tray for automatic batch analysis of oil sam­ples

PAMAS S50

PAMAS S50

Automatic particle counter for online sampling

PAMAS S4031 GO

PAMAS S4031 GO

Portable particle counter with up to 32 size channels for use in harsh environment

PAMAS S40

PAMAS S40

Portable particle counter for hydraulic and lubricating oil and for fuel

PAMAS SBSS

PAMAS SBSS

Versatile particle analysing system for laboratory measurement

PAMAS FastPatch 2 GO

PAMAS FastPatch 2 GO

Image analysing system for membrane analysis as per ISO 4407

Pamas liquid or water particle counter for water based hydraulic fluids

For safety and ecologic reasons, hydraulic systems in the offshore Oil&Gas industry are operated with biodegradable hydraulic liquids. These water-glycols cause less harm than oil based hydraulic fluids if they accidentally flow into sea water. Water based fluids are also preferred because of their stable viscosity degree regardless oscillating temperature. Furthermore, they are fire resisting and hardly inflammable. Water based hydraulic fluids are used in the following offshore applications: Subsea Christmas Trees and Wellhead Assemblies, Hydraulic Power Units, Hydraulic Accumulators, Subsea Umbilicals, Hydraulic Valves and Control Systems.

For dedicated offshore applications, PAMAS has designed specific instruments which are adapted to the contamination analysis of water-based fluids: The portable particle counters PAMAS S4031 WG and PAMAS S4031 GO WG and the laboratory instruments PAMAS SBSS WG and PAMAS FastPatch 2 GO as well as online particle counter, PAMAS OLS50P are ideal instruments for the analysis of water based hydraulic fluids and are compatible with the following hydraulic liquids:

MacDermid Oceanic HW 540/443/443R
Castrol Transaqua
Pelagic 100
Aqualink 325-F Houghton
Aqualink HT804F
Aqualink 300-F

PAMAS instruments for offshore applications are tried and tested with a reputation for dependability in the most demanding production environments for their reliability.

PAMAS S4031 WG

PAMAS S4031 WG

Portable particle counter for water‑based hydraulic fluid (Water‑Glycol)

PAMAS AS3

PAMAS S4031 GO WG

Portable particle counter for wa­ter‑based hy­draulic flu­ids (Water‑Glycol) for use in harsh environment

PAMAS SBSS WG

PAMAS SBSS WG

Versatile particle analysing system for laboratory measurement of water based hydraulic fluids (Water-Glycol)

PAMAS FastPatch 2 GO

PAMAS FastPatch 2 GO

Image analysing system for membrane analysis as per ISO 4407

PAMAS OLS50P

PAMAS OLS50P

On­line particle counter with constant flow rate

 

Particle counter for pharmaceutical fluids

On particle analysis of pharmaceutical fluids, PAMAS provides two laboratory instruments with different options and equipment. Ideal particle analysing system for the individual fluid and the specific application.

The analysing instrument PAMAS SVSS (Small Volume Syringe System) is designed for the analysis of low viscous fluids including infusion solutions, parenteral, pharmaceutical suspensions and intravenous or ophthalmic liquids.

For higher viscosity samples or for fluids containing gas bubbles PAMAS offers the measuring instrument PAMAS SBSS (Syringe Bottle Sampling System). This user-friendly laboratory instrument offers full flexibility as virtually all measuring parameters can be pre-set and adapted to the specific application by the user. The main benefit of the PAMAS SBSS laboratory instrument is the integrated pressure container. This sample vessel is used to create either a high pressure or vacuum atmosphere that is safely enclosed within the locked container. High pressure is applied to transport high viscous liquids through the sensor for measurement, whereas the vacuum mode removes gas bubbles out of the sample.

Both laboratory instruments PAMAS SBSS and PAMAS SVSS with corresponding PAMAS USP software are fully compliant with 21 CFR Part 11 and fulfil the requirements of the USP, EP, BP, JP, KP and IPC pharmacopoeia.

Both standard instruments are also available with optional equipment for the analysis of small sample volumes: With the help of the optional Small Volume Kit, the PAMAS SVSS is able to measure small volumes of low viscosity samples out of containers down to 1 ml.As with the PAMAS SVSS, the PAMAS SBSS can also be optionally equipped for small sample volumes. With the help of an optional small pressure container, higher viscosity liquids in small volume ampoules down to 1.5 ml can be analysed under pressure.

PAMAS SBSS

PAMAS SBSS

Versatile particle analysing system for laboratory measurement

PAMAS SVSS

PAMAS SVSS

Versatile particle analysing system for low viscous fluids