Digital Refractometer Seawater Hanna Instruments

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  • Negara Asal United States
  • KategoriAlat Ukur Kadar Garam
  • Update Terakhir24 Sep 2019

Spesifikasi Digital Refractometer Seawater Hanna Instruments

Digital Refractometer for Seawater Analysis HI96822 Hanna Instruments

Making a Standard Solution

Sodium Chloride solutions can be used to check the accuracy of the meter. The table below lists two Sodium Chloride solutions and their expected ppt Seawater value.

To make a Standard NaCl Solution (g/100 g), follow the procedure below

Place container (such as a glass vial or dropper bottle that has a cover) on an analytical balance.

Tare the balance.

To make an X NaCl solution weigh out X grams of high purity dried Sodium Chloride ( CAS #: 7647-14-5 : MW 58.44 ) directly into the container.

Add distilled or deionized water to the beaker so the total weight of the solution is 100g.

Example Standard NaCl solution :

Description

NaCl ( g )

Water ( g )

Total

Expected Seawater value ( ppt )

3.5 % NaCl

3.50

96.50

100.000

34

10 % NaCl

10.00

90.00

100.000

96

Specifications

Salinity Content Range

0 to 50 PSU; 0 to 150 ppt; 1.000 to 1.114 Specific Gravity ( 20/20 )

Salinity Content Resolution

1 PSU; 1 ppt; 0.001 Specific Gravity ( 20/20 )

Salinity Content Accuracy ( @20 ºC/68 ºF )

±2 PSU; ±2 ppt; ±0.002 Specific Gravity ( 20/20 )

Temperature Range

0 to 80 °C ( 32 to 176 °F )

Temperature Resolution

0.1 °C ( 0.1 °F )

Temperature Accuracy

±0.3 °C ( ±0.5 °F )

Temperature Compensation

automatic between 0 and 40 °C ( 32 to 104 °F )

Measurement Time

approximately 1.5 seconds

Minimum Sample Volume

100 μL ( to cover prism totally )

Light Source

Yellow LED

Sample Cell

Stainless steel ring and flint glass prism

Auto-off

After three minutes of inactivity

Enclosure Rating

IP65

Battery Type / Life

9 V / approximately 5000 readings

Dimensions / Weight

192 x 102 x 67 mm ( 7.6 x 4.01 x 2.6” ) / 420 g ( 14.8 oz.)

Ordering Information

HI96822 is supplied with battery and instruction manual

Warranty

1 year

Alat Ukur Kadar Garam

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