PFM 107 Oil-in-Water Monitor - Auto cleaning methods ensure accuracy is maintained at all times.

The monitor measures particulates in the sample stream on a continuous basis by passing the process fluid through a proprietary photo optical measuring cell developed by Rivertrace Technologies.

Using a combination of optical recognition algorithms and light intensity it is possible to differentiate between Oil particles, Gas/Air Bubbles and Solid particulates in the range 0-500 microns. Flow and particulate characteristics can be visualised live via remote access and via optional dedicated software on any Windows PC.

Oil concentration, pressure, temperature and oil alarm status are displayed on an easy to read back lit alpha numeric display. Oil concentrations, alarms and fault log are stored within the system to comply with the reporting requirements of IMO resolution MEPC 107(49) and can be accessed remotely or downloaded onto a pc via LAN or USB for further analysis. When connected to the internet it is possible for remote diagnostics to be performed by the manufacturer or an approved service centre.

The PFM 107 offers a choice of auto cleaning methods to ensure the accuracy is maintained at all times. Dependant of the utilities available you can choose from an air driven solenoid, electronic actuator or high power ultrasonic cleaning method. The cleaning is fully automatic and operates whenever it senses contamination of the optical windows.


Oil, gas, suspended solid inflow measurements

Oil type independent – no calibration required

Solid particles and gas contamination independent

Measure concentration, size and number density
of oil, solids and gas

Embedded windows with full auto restore via
USB memory Stick



Bilge water discharge

Regulatory compliance

Drilling rig surface water and slop discharge

Oil/Water separator discharge

Produced water discharge



Oil concentration range
0 - 40 ppm for MEPC 107(49) – higher ranges available
Oil concentration accuracy
+/- 1 ppm
Particle size range
1 to 500 μm
Oil alarm 1 & 2 operating point     
5 ppm or 15 ppm maximum (adjustable)
Oil alarm 1 operating delay
1 - 5 seconds
Oil alarm 2 operating delay 10 to 600 seconds
Alarm contact rating 5 Amps at 230 VAC
Alarm relay mode De-energised in alarm state
Output signal 4-20 mA
Network communication Ethernet (RJ45) – remote access – Wi-Fi optional with additional hardware
IMO Data transfer USB 2 Memory stick
Ambient temperature 0°C to 55°C (32°F to 131°F)
Humidity 95% maximum non condensing
Sample temperature 1 to 70°C (33.8°F to 158°F)
Sample flowrate 0.5 to 5 l/min (0.26 to 1.3 gpm)
Sample pressure 1 to 10 bars (14.5 to 145 psi)
Clean water requirements None
Cleaning system Compressed air at 6 bar (87 psi)
Weight 28 kg (62 lbs)
Dimensions [mm] Height: 528mm (20.8”), Width: 600mm (23.6”), Depth: 280mm (11”)
Supply voltage 100-240 VAC or 24 VDC option available
Supply variation +/- 10% of nominal voltage
Supply frequency 50 - 60 Hz
Power consumption 50 VA normal, 100 VA peak
Degree of ingress protection IP65
Approvals (pending) MEPC.107 (49), MED, UL