The TMD-90 Turbidity Monitoring Device has been designed specifically for measurement of turbidity (NTU) in water.
The TMD-90 has been constructed using technology of the DECKMA HAMBURG OMD series industrial instruments and 15ppm Bilge Alarm Monitors, that have a specification and performance which exceeds the requirements of the International Maritime Organization specifications for 15ppm Oil-in-Water Monitors contained in Resolution MEPC. 107 (49). The TMD-90 unit is supplied with 2 works-adjusted alarms at 50 NTU. Other set points are possible (e.g. 200 NTU) and can be adjusted on site at any time by using the buttons at the front panel.
Property
Value
Range*
200 NTU (600 NTU) extended version
Resolution*
0.1 NTU
Accuracy
Up to ± 5 NTU below 100 NTU
Response time
< 5s
Linearity:
better than ± 2 %
Display:
Yellow Graphic Display
Datalogging System:
Yes
Power Supply / Consumption:
24 V AC or DC ± 10% / <5 VA
Alarm Points 1, 2:
Adjustable, (Works adjustment 50 NTU)