Pamas S40

Pamas S40

Pamas S40

  • Portable particle counting system for contamination control for of oil and hydraulic fluids
  • Key pad and a graphical LC-Display with a resistive touch screen
  • Hardcopies of measurement results with built-in printer and Download Software
  • Results according to particles numbers, ISO, NAS and SAE classes
  • Data storage of more than 4000 measurements
  • Standard mains supply connector for 100VAC to 240VAC 50 to 60Hz
  • USB port for connection to a PC
  • Built-in battery for up to 4h operation
  • Special round connector for an external DC power supply A35(10VDC to 36VDC)




Particle counter for the remote on-site analysis of fluid samples pressureless sampling and up to 420 bar system pressure testing including the following fluids: Hydraulic oils, Turbine and insulation oils, Gear oils, Fuels.
The PAMAS S40 Skydrol version can be used to analyse phosphate ester-based hydraulic fluids. The volumetric sensor cell and sophisticated optical components guarantee high resolution and accuracy. Every particle passing through the sensor is detected. This design ensures the true measurement of even ultra clean fluids. The system is calibrated according to the international standard ISO 11171. This calibration is traceable to NIST standards. Historical calibrations including ISO 4402 are still available on request. The PAMAS S40 comprises of the software tool - PAMAS Download. Transfer of the measurement results from the instrument is via a USB cable connected to a PC / laptop. The results can then be further processed, e.g. using Microsoft Excel®.

Parameter Value
Measuring range ISO 4402 (4-70 µm)
ISO 11171 (2-100 µm)
ISO 21501-3 (1–200 μm)
Flow rate "Max. particle concentration:
24,000 P/ml* at 25 ml/min**"
Volumetric Laser Class 3R, 4.2 mW
Measurement channels 32 freely adjustable size channels
Sample volume 10 ml (adjustable)
Pressure and Viscosity range "Low pressure: 0–6 bar (0–90 psi),up to 1,000 cSt
"High pressure: 3–420 bar (40–6,000psi), up to 350 cSt
Measurement time Approx. 2 min. (adjustable)
Data storage capacity "Internal data storage of more than 4,000 measurements
Data transfer USB
Display Graphic display (240 x 128 pixels)
Operating temperature 10 - 60°C
Power supply 100 - 240 V AC, 50/60 Hz
Dimensions (W x H x D) "310 mm x 145 mm x 360 mm
Weight 8 kg
Classification ISO 4406, SAE AS4059, NAS 1638, GOST 17216, GJB 420B, CHARN
Battery backup Upto 4 hrs
AC Calibration "ISO 4406 (1987)/NAS 1638/GJB 420A/GOST 17216"
NIST Calibration ISO 4406 (1999)/AS 4059 E/GJB 420B
Pump "Automatic sample flow and volume control by wear resistant ceramic piston pump
Software PAMAS PMA
  • Water
  • Suspensions
  • Cleaning fluids
  • Sea and brackish water
  • Korrosive fluids
  • Hydraulic Oil
  • Turbine and insulation oils
  • PAMAS S4031
  • Portable particle counting
  • instrument for liquids
  • Gear and motor oils
  • Fuels
  • Phosphate ester based hydraulic fluids
  • Water based hydraulic fluidss
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