Recently Added tagged "refractometer"

Salinity & Temperature Digital Pocket Tester

$118.00

The Digital Pocket Tester is a portable, rugged, water resistant device that utilizes electric conductivity to determine the specific gravity/salinity of natural and artificial seawater. Within seconds, the salinity and temperature are measured and visually displayed on the easy to read backlit LCD screen.

Features

High Resolution Salinity Measurement
Automatic Temperature Compensation
Water Temperature Reading
Large Backlit LCD Display

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Trans Instruments Marine Salt Testa

$220.00

Marine Salt Testa is designed for marine aquaria for the measurement of salt concentration in water.

Advanced Features:

3 in 1 meter that measures Specific Gravity, Temperature and Salinity
Easy one touch calibration

Why salinity or specific gravity needs to be measured?

Natural sea water is the most ideal condition for all marine species but is difficult to replicate. The major element in sea water is salt; the more salt, the higher the density. Marine water concentration generally fluctuates due to evaporation in a closed tank, thus measuring specific gravity or salinity is important to maintain the right reading for fish to survive.

Most aquarist handbooks use this unit of measurement to recommend the amount of salt to be added into a tank. As the hydrometer is calibrated at 15°C, a correlation table must be used to get the correct reading. A simple pointer-hydrometer does not even have a table to make correlations, thus the measurement is highly inaccurate. This is one of the reasons why so many fail in keeping a marine aquarium. The Marine Salt Testa uses a new method of measuring salinity via the conductivity method which allows users to obtain reading of salinity in grams per litre. This is usually represented in ppt (parts-per-thousand). The best feature about this method is that readings are automatically compensated despite differing temperatures. The Marine Salt Testa is an indispensable tool for serious marine aquarists.

Specifications

	Salinity	Specific Gravity	Temperature
Range:	5 to 40ppt	1.000 to 1.032sg	0 to 70°C / 32 to 158°F
Accuracy:	± 2 ppt	± 0.002 sg	± 1°C/± 2°F
Resolution:	0.1 ppt (5 to 9ppt) 1 ppt (10 to 40ppt)	0.001 sg	0.1°C/0.2°F
Operation Temperature	0 to 70°C 32 to 158°F	0 to 40°C 32 to 104°F	0 to 70°C 32 to 158°F
Battery Type:	2 x Button Cell CR2032 - 3 volts
Battery Life:	Approx. 3 months based on 3 tests use per day
Size (LxWxH):	255mm x 32mm x 16.4mm
Weight:	Approx. 59gm

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$Refractometer w/ Automatic Temperature Compensation$

Refractometer w/ Automatic Temperature Compensation

$58.00

This refractometer, equipped with Automatic Temperature Compensation, is designed for testing the concentration of saltwater and brine. Its triple scale provides a direct reading of the specific gravity and concentration (parts per thousand) of salt in water.

Made of heavy-duty materials for longer lasting use, this item includes a hard carrying case, screwdriver for calibration and dropper for easy place of water sample.

Features

Easy to use
Dual scale includes specific gravity and % per thousand
Automatic temperature compensation
Easily calibrated
Adjustable eyepiece
No batteries required
Carrying case included
Includes pipette and calibration screw driver
Range measurement:0-10%
Minimum division: 0.10%
Accuracy: 0.1%

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