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Deckma - Model TMD-90 Series -Turbidity Monitoring Device
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.
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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)
- 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
- Weight: 2.5 kg
- Degree of Protection: IP 65
- Pipe Connections: R ¼" Female