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TB750G Turbidity Meter
Brand: Yokogawa Electric CorporationThere are increasing demands for good quality water for both industrial-use and drinking water applications because of rapid industrial development and consumer demands for better quality of life.
A large amount of the waste water from both applications has been drained or discharged into rivers, causing pollution to worsen year after year. This has caused serious social problems.
Therefore, turbidimeters, conventionally used for the operation and control of water purification plants, are nowadays being required to measure the amount of matter suspended in various sorts of industrial waste water and to measure the turbidity of chemical processes.
Since their sales began in 1959, Yokogawa’s turbidimeters have been continuously developed and improved using various measurement principles suited for various applications.
With its many achievements, Yokogawa has earned its customers confidence.
Developed based on years of experience and applications in process fields, the TB750G Turbidity Measuring System using right angle light scattering method provides highly reliable measurement and improved maintainability which improve upon what previous models could offer.
A wide range of options are available to meet users various needs.
Features- Highly reliable measurement with excellent linearity and repeatability.
- Easy-to-clean cell.
- Compact, lightweight converter and detector.
- User configurable measuring range: 0-0.2 NTU to 0-100 NTU.
- Measuring range switching (2 or 3 ranges).
- Enhanced self-diagnostic function as standard.
- Detector structure to remove sudden reading change caused by bubbles.
- A wide range of measurement conditions.
- 2 analog outputs, 3 relay contact outputs, and 1 serial communication.
Specifications
Alarm
- High/Low
Ambient Temperature Range
- -5° to 50° C (23° to 122° F)
Approvals & Certifications
- EMC EN 55011 Class A, Group 1
- KC
BSP Connection
- 1” BSPT - Drain Port
- 1/2” BSPT - Pipe Connection for Sample Water Inlet & Outlet
Cable Entry
- Cable Gland DIN PG 13.5
Cable Type
- Shielded Cable - RS-232C
- Twisted Pair Cable with Shield (AWG 20 to 16) - RS-422
Communication
- 1 Stop bit
- Baud Rate: 9,600 bit/sec
- Data Length: 8-bits
- RS-232C
- RS-422
Conduit Connection
- 1/2” NPT
- G 1/2”
Consumption
- 50 VA, Max.
Diagnostics
- AD Circuit Failure
- Calibration Error
- Input Element Failure
- Light Source Failure
- Memory Failure
Diameter
- 0.23” to 0.47” (6 to 12 mm) - Cable Outer Diameter
Display
- 4-Digit LCD Display
Distance
- 1,000 metres, Max.
- 10 metres, Max.
Electrical Rating
- 2 A at 250 Vac, 125 VA, Max.
- 3 A at 30 Vdc, 60 W, Max.
Enclosure Finish
- Baked Epoxy Resin Coating - Detector, Converter
- Baked Polyurethane Resin Coating - Detector, Converter
- Mint Green (Munsell 5.6BG3.3/2.9 or Equivalent) - Detector
- Silver Gray (Munsell 3.2PB7.4/1.2 or Equivalent) - Converter
- Spring Black (Munsell 3.3PB2.5/0.5 or Equivalent) - Detector
Environmental Protection
- IP65
- Watertight
Flow Rate
- 0.013 to 5.28 gpm (0.05 to 20 LPM) - Sample Water Conditions
Humidity
- 5 to 95 % Relative Humidity, Non-Condensing - Ambient Humidity
Linearity
- ± 2 % of Reading or ± 0.01 NTU, whichever is greater
Load
- 550 ohms - Max.
Materials of Construction
- Aluminum Alloy Casting - Detector, Converter
- Modified PPE Resin - Detector
- Polycarbonate Resin - Converter
- Stainless Steel - Tag Plate
Measuring Range
- 0-0.2 NTU to 0-100 NTU
Mounting
- Panel Mounting
- Pipe Mounting
- Rack Mounting
- Wall Mounting
NPT Connection
- 1” NPT Female - Drain Port
- 1/2” NPT Female - Pipe Connection for Sample Water Inlet & Outlet
Output
- 4-20 mA DC - Analog Output 1 Isolated
- 4-20 mA DC or 0-20 mA DC - Analog Output 2 Non-Isolated
Output Format
- Relay Contact Output
Power Supply
- 100-240 Vac -15 % / 10 %, 50/60 Hz
Pressure Range
- psi: 0 to 72.52 (kPa: 0 to 500, bar: 0 to 5)
Repeatability
- ± 1 % of Reading or ± 0.002 NTU, whichever is greater
Resistance
- 100 kiloohms or Greater- Input Resistance Off
- 100 ohms or Less - Grounding Resistance
- 200 ohms or Less - Input Resistance On
Resolution
- 0.001 NTU - Display Resolution
Response Time
- Within 2 minutes (90 % Response, Sample Water Flow Rate 3 L/minute)
Span - Minimum
- 20 % or more of Upper Limit of the Range or 0.2 NTU, whichever is greater
Storage Temperature
- -30° to 70° C (-22° to 158° F)
Temperature Range
- 0° to 50° C (32° to 122° F) - Sample Water Conditions
Wetted Materials
- 316 Stainless Steel
- Fluoric Rubber
- Glass
- Modified PPE Resin
- Silicone Rubber