WTW – Turbidimeter Turb® 750 Series

The Turb® 750 Series turbidimeters assist you with sophisticated optics, eliminating uncertainty by means of a light trap and our IRPC procedure

Turbidity Meter
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Description

WTW – Turbidimeter Turb® 750 Series

The Turb® 750 Series turbidimeters assist you with sophisticated optics, eliminating uncertainty by means of a light trap and our IRPC procedure

Calibration with AMCO Clear® standards

Turb® 750 Series is supported by calibration with the proven AMCO Clear® Standards and the use of an optimal measurement window from the vials. A calibration kit for 3-point calibration is supplied with the meter. The following menu-guided calibration functions are
available:
• Default 3-point calibration
• Flexible calibration with 2–5 user-defined calibration points
• QuickCAL: 1-point calibration
• Setting of calibration interval
• Storage of calibration protocol

Advantages of AMCO Clear® Standards

AMCO Clear® Standards are made from polymer microspheres and provide a superior level of accuracy and precision:
• Long-term stability without drift (unlike formazine)
• Accurate to 1% lot-to-lot
• Optimized for the respective optics
• Traceable to formazine
• Environmentally friendly and non-toxic
• Easy-to-use
A successful calibration with AMCO Clear® standards is essential to obtain precise and reproducible results on the Turb® 750.

Reliable results with AQA

• Easy-to-clean keypad
• AQA support:
– Interval
– Tolerance
– Protocol
• Direct access to essential functions
• AQA flag in the data sets
• Storage with sample ID
• Calibration interval and calibration protocol
• Data filter for data output
• GLP compliant data management

Data management with Turb® Data

Measured values are stored as data sets with the associated calibration protocol, sample ID and AQA informations.The data output can be done either via the free Multilab Importer into Excel, printer or hyperterminal by pressing the print key or, more easily, with the supplied
PC software Turb® Data:
• GLP compliant data transfer
• Instrument recognition via serial number
• User name input
• Output in CSV format
• Data export to Excel
• Data import into LIMS

Instrument model Turb® 750 IR Turb® 750 T
Measuring standards DIN EN ISO 7027-1 US EPA 180.1
Light source Infrared LED White light Tungsten filament lamp
Measuring mode Nephelometric (90° scattered light)
Display Backlit graphics display, 160 x 104 Pixels
Keypad Easy-to-clean foil keypad with alphanumeric entry option
Measuring range 0–1100 FNU/NTU 0–1100 NTU
Units FNU/NTU NTU
Resolution 0.01 FNU/NTU in the range 0.00–9.99 FNU/NTU, optional 0,001 FNU/NTU < 1 FNU/NTU
0.1 FNU/NTU in the range 10–99.99 FNU/NTU
1 FNU/NTU in the range 100–1100 FNU/NTU
Accuracy 0.01 FNU/NTU or ± 2% of reading 0.01 NTU or ± 2% of reading,
± 3% in the range 500–1100 NTU
Repeatability < 0.5% of reading < 1% of reading
Reading mode Measurement with Intelligent Reproducibility and Plausibility Check (IRPC) procedure,
rapid settlement samples supported by fast response time and IRPC.
Response time 4 sec 7 sec
Calibration – options Default 3 points standard calibration, flexible calibration with 2–5 user defined calibration points, QUICKCal
Calibration protocol and interval setting yes/yes
AQS-Support Calibration protocol, AQA flag, cal flag
Data storage 2500 data sets with cal protocol, AQA flag
Sample Identification Alphanumeric entry via keypad
Firmware update via USB
Interface RS 232, USB, printer via PC or RS232
Storage condition instrument –25…+65 °C (13…149°F)
Operating temperature range +5…+55 °C (41…131°F)
+5…+40 °C (41…104°F) with power plug connected
GLP-compliant PC software Turb® Data
Dimensions (H x W x D) ca. 290 x 190 x 80 mm (11.42 x 7.48 x 3.15 inches)
Weight 1.1 kg
Calibration standards Cal.Kit for 3-P standard calibration: long-term stable polymer AMCO® Clear standards,
0.02 – 10.0 –1000 FNU/NTU
Vials , sample volume 28 mm diameter vials, min. volume 15 ml, borosilicate glass, phenolic resin cap, PTFE-coated
rubber seal. No silicon oil required to cover scratches for measurement procedure!
Sample conditions Sample temperature < 70°C (158°F)
Power supply Wide range power supply with plugs for Euro, US, UK and Australia
Certificates CE
Delivery scope Lab turbidimeter Turb® 750 IR/T, four 1.5 V AA type batteries, wide range power supply, cable USB-A
to USB-B mini, six empty 28 mm vials, cap labels for orientation marking, Cal.Kit Turb® 430/750 IR
or T, cloth, quick guide, compact operation manual, CD-ROM with extended manual, CD-ROM with
Turb® Data PC software, inspection protocol

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