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Model
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Turb PLUS 2020
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Turb PLUS 2120
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Measurement principle
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Scattered light measurement
white light, nephelometric measurement
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Scattered light measurement
infrared light, nephelometric measurement
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Measurement Range
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Factory setting: 0 ... 100 NTU; optional measuring ranges 0 ... 10 and 0 ... 1000 NTU (loaded on USB)
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Resolution
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Down to 0.0001 NTU
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Accuracy
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±2 % of reading or ±0.02 NTU below 40 NTU whichever is greater (0–100 and 0–1000 ranges)
±5 % of reading above 40 NTU (0–100 and 0–1000 NTU ranges)
±2 % of reading or ±0.02 NTU (0–10 NTU range)
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Limit of Detection
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0.02 mg/l
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Response time
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Adjustable (1 ... 60 readings)
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Sample Temperature
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1 °C ... 50 °C (34 °F ... 122 °F)
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Sample Flow Rate
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100 ml/min. ... 1.5 liter/min. (0.026 0.40 Gal/min)
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Maximum Water Pressure
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Integral pressure regulator rated 7 bar (101.5 PSI)
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Cleaning
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Ultrasonic cleaning
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Calibration
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Factory calibrated to 0 100 NTU, recalibration required every three months and after change of measuring range
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Display
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Multi-Line Liquid Crystal Backlit Display
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Mounting
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Wall mounting with 6 screws
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Regulatory Compliance
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Compliant to U.S. EPA 180.1 Compliant to DIN EN ISO 7027
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Power
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100–240 V AC, 47–63 Hz, 80 VA
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Relays
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Two Programmable, 120–240 V AC 2A Form C Relay
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Analog Output
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One powered 4–20 mA, 1000 W drive
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Digital Output
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Bi-directional RS-485, Modbus RTU
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Environmental conditions
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Storage Temperature Range: 1 °C ... 50 °C (34 °F 122 °F)
Operating Temperature Range: 1 °C ... 50 °C (34 °F 122 °F)
Relative Humidity: Up to 95 % (non-condensing) Not recommended for outdoor use. Altitude up to 2000 meters.
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Certification
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CE, cETLus
CE Approved, LC listed to UL 61010-1 3rd Edition: 2012 LC: Certified to CSA 22.2 No.61010-1-12: 2012
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Mechanics
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Wetted Materials: Nylon, Wetted Materials: Nylon, Borosilicate Glass, Silicone, Polypropylene, Stainless Steel, Viton, Acety
Housing: ABS (Double Insulated, Pollution Degree 2, Overvoltage Category II)
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Weight
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2.8 kg (6.2 lbs.)
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Warranty
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2 years on defects in quality according to § 10 terms of conditions
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