refractometer for testing fluid coefficients, e.g. density of coolant, windshield washer fluid electrolyte in battery, adblue fluid
a device for testing liquid coefficients, e.g. the freezing resistance of the liquid in the cooling system or in the car windshield washer, the density of the electrolyte in the battery, adblue liquid.
the refractometer is made of brass, the measuring scale is engraved, and the body is made of aluminum, making it resistant to the weather conditions in which it is used.
10 – 1.40 kg/l (± 0.01 kg/l) – electrolyte density in the battery (battery charge level)
50 - 0 °c (± 1 °c) - the freezing point of ethylene glycol
50 - 0 °c (± 1 °c) - the freezing point of propylene glycol
30-35% (± 0.2%) adblue
40 - 0 °c (± 5 °c) - the freezing point of the windshield washer fluid
a device for testing liquid coefficients, e.g. the freezing resistance of the liquid in the cooling system or in the car windshield washer, the density of the electrolyte in the battery, adblue liquid.
the refractometer is made of brass, the measuring scale is engraved, and the body is made of aluminum, making it resistant to the weather conditions in which it is used.
in the set:
refractometer
1 pipette
screwdriver to calibrate the instrument.
elements:
1 – prism
2 - lid
3 – calibration screw
4 – housing
5 – eyepiece with focusing ring.
calibration: the device is calibrated to measure at 20ºc.
measurements can be made between 10ºc and +30ºc, but calibration of the measuring instrument is necessary if the measuring temperature differs by 20ºc.
for calibration, take a pipette of distilled water, place a drop on the prism (1) and lower the instrument cover (2).
adjust the calibration screw (3) using the supplied screwdriver until the light/shadow line coincides with the waterline.
measurement process:
1- point the instrument towards a bright light and turn the eyepiece (5) to focus.
2- use a small amount of measured liquid using the supplied pipettes and drop one or two drops onto the prism (1),
lower the cover (2) and press lightly.
3 - A light/shadow line will appear on the scale to indicate the freezing point or density depending on the liquid used.
4 - after taking the reading, clean the prism thoroughly with the cotton cloth provided.
attention!
calibration and measurements should be performed at the same temperature.
if the temperature changes rapidly, it should be checked every 30 minutes.
after measurement, do not clean the prism with water, as this may flood the internal optics of the device.
handle the instrument with care.
avoid scratches on the prism.
store in a dry place to prevent fogging of the optics.
avoid shocks during transport.
be extra careful when measuring the density of electrolytes.
battery acid is a corrosive substance.
always use pipettes and do not allow acid to come into contact with eyes or skin!
ASTA TOOLS works with over 200 partners (in Japan, Taiwan, Poland and China) to ensure consistent product quality and supply. Thanks to good cooperation with partners and employees, ASTA TOOLS can offer stable quality that meets European and American standards in both the ASTA and SATRA brands.
The endless search for new solutions helps them to develop more than 15 new products every month. All products undergo quality control before being added to the selection.
the refractometer is made of brass, the measuring scale is engraved, and the body is made of aluminum, making it resistant to the weather conditions in which it is used.
10 – 1.40 kg/l (± 0.01 kg/l) – electrolyte density in the battery (battery charge level)
50 - 0 °c (± 1 °c) - the freezing point of ethylene glycol
50 - 0 °c (± 1 °c) - the freezing point of propylene glycol
30-35% (± 0.2%) adblue
40 - 0 °c (± 5 °c) - the freezing point of the windshield washer fluid
a device for testing liquid coefficients, e.g. the freezing resistance of the liquid in the cooling system or in the car windshield washer, the density of the electrolyte in the battery, adblue liquid.
the refractometer is made of brass, the measuring scale is engraved, and the body is made of aluminum, making it resistant to the weather conditions in which it is used.
in the set:
refractometer
1 pipette
screwdriver to calibrate the instrument.
elements:
1 – prism
2 - lid
3 – calibration screw
4 – housing
5 – eyepiece with focusing ring.
calibration: the device is calibrated to measure at 20ºc.
measurements can be made between 10ºc and +30ºc, but calibration of the measuring instrument is necessary if the measuring temperature differs by 20ºc.
for calibration, take a pipette of distilled water, place a drop on the prism (1) and lower the instrument cover (2).
adjust the calibration screw (3) using the supplied screwdriver until the light/shadow line coincides with the waterline.
measurement process:
1- point the instrument towards a bright light and turn the eyepiece (5) to focus.
2- use a small amount of measured liquid using the supplied pipettes and drop one or two drops onto the prism (1),
lower the cover (2) and press lightly.
3 - A light/shadow line will appear on the scale to indicate the freezing point or density depending on the liquid used.
4 - after taking the reading, clean the prism thoroughly with the cotton cloth provided.
attention!
calibration and measurements should be performed at the same temperature.
if the temperature changes rapidly, it should be checked every 30 minutes.
after measurement, do not clean the prism with water, as this may flood the internal optics of the device.
handle the instrument with care.
avoid scratches on the prism.
store in a dry place to prevent fogging of the optics.
avoid shocks during transport.
be extra careful when measuring the density of electrolytes.
battery acid is a corrosive substance.
always use pipettes and do not allow acid to come into contact with eyes or skin!
ASTA TECHMAN
ASTA TOOLS is one of the fastest growing tool companies that combines high quality, innovation and perfect tools for every job. Their engineers in Taipei develop the best products that are not only of high quality but also at the best price.ASTA TOOLS works with over 200 partners (in Japan, Taiwan, Poland and China) to ensure consistent product quality and supply. Thanks to good cooperation with partners and employees, ASTA TOOLS can offer stable quality that meets European and American standards in both the ASTA and SATRA brands.
The endless search for new solutions helps them to develop more than 15 new products every month. All products undergo quality control before being added to the selection.
EAN: 5902188472288
Delivery method

Fedex Priority
Very fast To home & office
Very fast To home & office
$19.20
Delivery date 2026-10-12

Postal office
To the nearest Postal office (Shipping discount for order starting from 600€ or 700$)
To the nearest Postal office (Shipping discount for order starting from 600€ or 700$)
$21.00
Delivery date 2026-10-26

Courier International (Premium)
To Home or Office (Shipping discount for order starting from 600€ or 700$)
To Home or Office (Shipping discount for order starting from 600€ or 700$)
$41.10
Delivery date 2026-10-19

Fedex Economy
Fast delivery to home or office!
Fast delivery to home or office!
$14.70
Delivery date 2026-10-14

DHL Express
Fast Delivery To Home or Office (Shipping discount for order starting from 600€ or 700$)
Fast Delivery To Home or Office (Shipping discount for order starting from 600€ or 700$)
$27.70
Delivery date 2026-10-07
$97.10
Arrives in 3-4work days
$34.90
Arrives in 3-4work days
$10.90
$12.90
-16%
Arrives in 4-5work days
$24.60
Arrives in 4-5work days
$48.30
Arrives in 3-4work days
$29.80
Arrives in 3-4work days
Car urea (adblue) system and its parts
Car urea (adblue) injection system and its parts, construction and drawing
Urea (injection system, often also known as SCR (Selective Catalytic Reduction) system, is a technology used in modern diesel engines, which aims to reduce harmful nitrogen oxides (NOx) emissions. It works using a special urea solution (AdBlue), which neutralizes NOx particles contained in exhaust gases. The system consists of several interconnected components that ensure efficient operation and precise control of the system.
1. Supply Module (Feed module)
... More...



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