Specifications
- TMD-90 SERIES TURBIDITY MONITORING DEVICE: .
Mô tả
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.
Specification
Range*
200 NTU (600 NTU) extended version
Accuracy
Up to ± 5 NTU below 100 NTU
Linearity:
better than ± 2 %
Display:
Yellow Graphic Display
Power Supply / Consumption:
24 V AC or DC ± 10% / <5 VA
Alarm Points 1, 2:
Adjustable, (Works adjustment 50 NTU)
Alarm 1 Operating Delay: (for annunciation purpose)
Adjustable between 1 – 540 sec. (Works adjustment 2 sec.)
Alarm 2 Operating Delay: (for control purposes)
Adjustable between 1 – 10 sec. (Works adjustment 10 sec.)
Alarm Indication: (Alarm 1, 2, System Fault)
Red LEDs
Alarm Contact Rating: (Alarm 1, 2,)
Potential free 1 pole change over contacts, 3 A / 240 V AC
Output Signal:
0 – 20 mA or 4-20 mA selectable, ext. Load < 150 Ω
Sample Pressure:
0 – 10 bar
Sample Flow:
Approx. 0.3 - 3 l/min
Sample Temperature:
+ 1 to + 65° C
Ambient Temperature:
+ 1 to + 55° C
Size: Computer Unit
185 mm W x 210 mm H x 65 mm D
Size: Measuring Cell
140 mm W x 160 mm H x 65 mm D
Degree of Protection:
IP 65
Pipe Connections:
R ¼'' Female
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