Wines with low phenol contents, such as rosé, light reds and whites should be checked for protein stability before bottling. Hanna offers a quick test meter to verify the risk of future protein haze formation If protein instability is detected, a subsequent test can help define the right amount of bentonite to be added for improving protein stability. It is important not to overdose bentonite to avoid stripping wine flavor, body, and significant loss of color, especially in young red wines. Moreover, adding only the necessary amount of bentonite to obtain the desired protein stability also saves costs.
• GLP Features
Meets Good Laboratory Practices
• Backlight
Backlit LCD
• Connectivity
PC interface via USB
€ 1.057,00
6 in stock
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The HI 83749 measures turbidity of samples from 0.00 to 1200 NTU Nephelometric Turbidity Units) and is USEPA compliant. In the USEPA measurement mode the instrument rounds the readings to meet USEPA reporting requirements.
The HI83749 is equipped with Fast Tracker™ Tag Identification System (T.I.S.) that makes data collecting and management simpler than ever. Fast Tracker™ allows users to record the time and location of a specific measurement or series of measurements using iButton® tags near sampling points for quick and easy readings. Each iButton® tag contains a computer chip with a unique identication
code encased in stainless steel.
Turbidity
Range
0.00 to 1200 NTU
Range Selection
automatic
Resolution
0.01 (0.00 to 9.99 NTU); 0.1 (10.0 to 99.9 NTU); 1 (100 to 1200 NTU)
Accuracy
±2% of reading plus 0.05 NTU
Repeatability
±1% of reading of 0.02 NTU, whichever is greater.
Stray Light
< 0.05 NTU
Light Source
tungsten filament lamp
Light Detector
silicon photocell
Method
ratio nephelometric method
Display
60 x 90 mm backlit LCD
Calibration
two, three or four points
Log Memory
200 records
Serial Interface
RS 232 or USB 1.1
Environment
0 to 50°C (32 to 122°F); max 95% RH non-condensing
Battery
1.5V AA batteries (4) / 12 VDC adapter
Auto off
after 15 minutes of non-use
Auto off
after 15 minutes of non-use
Dimensions
224 x 87 x 77 mm (8.8 x 3.4 x 3.0”)
Weight
512 g (18.0 oz.)
Ordering information
HI83749-02 (230V) is supplied with iButton® tags with tag
holders (5), sample cuvettes and caps (6), calibration cuvettes (4), bentocheck reagent,
silicone oil (HI98703-58), 1000 µL automatic pipette with two tips and instructions
sheet, 25 mL glass vials with caps (4), 1 mL syringe with two tips, funnel, filter paper (25),
cuvette cleaning cloth, 12 VDC adapter, batteries, instructions and rugged carrying case.
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Hanna Service d.o.o. — Sermin 75H, Bertoki — 6000 Koper (Slovenia) — VAT ID SI92346669
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