Clas Ohlson EM2230 Kurzanleitung

Antifreeze Refractometer
Art.no 36-4782 Model EM2230
Please read the entire instruction manual before using the product
and save it for future reference. We reserve the right for any errors in
text or images and any necessary changes made to technical data.
If you have any questions regarding technical problems please
contact our customer services.
1. Safety
• Do not expose the refractometer to moisture or humidity
exceeding 85% for any extended period.
• Make sure that no water or any other types of liquids penetrate
the refractometer, otherwise its internal components can
be damaged.
• Make sure never to drop the refractometer or subject it to rough
handling in any way. This can decrease the accuracy and
performance of the meter.
• Only use the refractometer according to the guidelines as
described in this instruction manual.
Warning
• Remember that battery acid is extremely corrosive and can
destroy clothes and damage both the skin and eyes.
Use protective eyewear and gloves while checking the battery's
electrolyte levels.
• If anyone gets battery acid in their eyes, make sure to rinse
the eyes with clear running water for several minutes.
Contact a physician immediately after such an incident.
• Also, contact a physician if anyone has accidently swallowed
battery acid.
• Glycol is extremely toxic for both animals and humans.
Make sure to wipe up any spills dry.
2. Product description
This optical antifreeze refractometer measures the density of fluids
by using a refractive index. This allows you to check the antifreeze's
coolant concentration and freezing point, check the battery
electrolytes levels for proper battery performance or wiper fluid
freezing point.
1 2 3 4
6
1. Prism
2. Cover
3. Calibration screw (under the rubber seal)
4. Rubber grip
5. Focus ring
6. Pipette
GREAT BRITAIN • customer service tel: 0845 300 9799 e-mail: customerservice@clasohlson.co.uk internet: www.clasohlson.com/uk
Package contents
• Carry case
• Antifreeze refractometer
• Pipette
• Screwdriver
• Instruction manual
• Cleaning cloth
3. Operation
1. Lift up the cover and wipe the prism with a soft cloth.
2. Use the pipette to draw a few drops of fluid from the battery*,
wiper fluid container, radiator or coolant overflow container.
3. Place a few drops of liquid onto the prism and carefully lower
the cover onto the liquid so that it spreads evenly over
the prism. Allow the liquid to sit for at least a minute to allow
the liquid to attain the same temperature as the refractometer itself.
4. Focus the prism to a source of natural light and place one eye
against the eyepiece and adjust the focus using the focus ring.
The measured value will be shown where the blue border ends.
Read from the correct scale.
5. The displayed symbols are from left to right are:
Battery electrolytes 1.10 (discharged battery) to
1.40 kg/l (fully charged)
Antifreeze containing propylene glycol 0 to - 50 °C
Antifreeze containing ethylene glycol 0 to - 50 °C
Wiper fluid containing ethanol/isopropanol 0 to - 40 °C
The baseline at the bottom of the scales equals 0 °C. If any readings
are at this line the appropriate additive must be added to ensure
proper freeze protection.
Carefully wipe the pipette, cover and prism with a soft cloth after
use before putting the device in its carry case for storage.
*Note! Many modern batteries are maintenance free (sealed) and
are not meant to be checked using this device. Any attempt to do
so may damage or destroy your battery.
5
4. Care and maintenance
Wipe the device and pipette using a soft damp cloth as and
when required. Never use solvents or abrasive cleaning agents.
Note: After testing battery electrolyte levels all parts of the device
must be meticulously cleaned.
5. Troubleshooting/Pre-checks
Check the refractometer before use
The refractometer is carefully calibrated when shipped from
the factory, but it still should be checked before initially using it or
after it has been subjected to shock, rough treatment, moisture, etc.
1. Lift the cover and place 2-3 drops of distilled water onto the prism.
2. Fold the cover down onto the prism so that the water is spread
over the entire surface so that no bubbles or dry areas remain.
3. Allow the distilled water to sit for at least a minute to allow the
liquid to attain the same temperature as the refractometer itself.
4. Focus the refractometer towards a source of natural light.
Focus using the focus ring.
5. If the refractor is correctly calibrated the border between
the blue and white areas should lie at the zero mark.
Calibration
1. First follow steps one to five as listed above.
2. If the border between blue and white deviates from the zero
baseline, the refractometer must be calibrated before use.
Only calibrate the device if the reading is incorrect.
3. Remove the calibration screw cover to expose the adjusting screw.
4. Adjust the calibration screw using the included screwdriver
until the border between blue and white lies squarely on
the zero baseline.
6. Disposal
This product should be disposed of in accordance with local regulations.
If you are unsure how to proceed, contact your local authority.
7. Specifications
Substance Measuring range Resolution Accuracy
Antifreeze 0 to -50 °C 5 °C ± 2.5 °C
Battery 1.10 (discharged) 0.01 kg/l ± 0.01 kg/l
electrolytes -1.40 kg/l (fully
charged)
Wiper fluid 0 to -40 °C 10 °C ± 5 °C