“Pocket” Cutting Cutting Cutting oil Refractometer

“Pocket” Cutting Cutting Cutting oil Refractometer
Error Messages
Pocket” Cutting oil Refractometer
The following messages alert the user when an operation has failed.
The battery is low.
The prism temperature is below the temperature range.
The ZERO button was pressed with nothing or something
other than water on the prism.
The prism temperature is above the temperature range.
The START button was pressed with nothing or an
insufficient amount of sample on the prism.
The instrument is faulty. (Replace the batteries. Contact
ATAGO if this error persists.)
The sample measured outside the measurement range.
Too much light is entering the prism, and the instrument
cannot measure accurately. (Shade the sample stage with
your hand and take a measurement again.)
Sample stage
Measurement results, prism temperature,
and remaining battery charge are displayed.
The displayed value is an example.
Apply water and samples on the glass prism located
in the center of the sample stage.
START button
The readings are corrected, based on the temperature of the prism, within the automatic temperature compensation range.
◇ Measurements may fluctuate with hot or cold samples. Wait for approximately 20 seconds to press the START button. Measurements will stabilize
once the instrument acclimates to the sample temperature.
Press to take measurements and hold down
to turn off the display.
ZERO button
Battery compartment
Press to perform zero-setting.
Place and remove batteries from here.
Lanyard hole
Storage and Maintenance
Do not use organic solvents
(paint thinner, benzene,
gasoline, etc.) on the plastic
body case.
Instruction Manual
Automatic Temperature Compensation
Store the instrument in a dry
place away from direct
sunlight. Exposure to
humidity and heat may
damage the instrument.
Clean and dry the sample stage
thoroughly, following the “Cleaning”
Store the unit away from direct
sunlight at a stable temperature with
as little fluctuation as possible.
Main unit.........1 Instruction Manual (this book) .....1
Calibration Report .. 1 AAA batteries ...........2
AAA alkaline batteries are included. Remove the tape from the battery compartment before inserting the batteries.
ATAGO instruments are rigorously inspected to ensure each unit meets the highest standards of quality assurance.
Thank you for purchasing the instrument. Carefully read and follow all instructions. Keep this manual for future reference.
Repair and Warranty
Safety Instructions
The instrument is warranted for one year from the date of purchase. This warranty is void if the instrument shows evidence of the following. Send the
included batteries as well if they are still in use.
• Having been disassembled by unauthorized personnel
• Having been misused and/or operated outside the environmental specifications
• Damages to the prism and/or sample stage
• Leakage from batteries other than those included with the unit
• Water damage or having been dropped
Repair services are available for a fee after the warranty expires. Contact an ATAGO authorized service center for service and support.
Please have the serial number information ready when contacting a service center.
Measurement range
Cutting Oil 0.0 to 70.0
Temperature 10.0 to 75.0℃
Cutting Oil 0.1
Temperature 0.1℃
Cutting Oil ±0.2 Temperature ±1℃
Automatic temperature 10 to 75℃
compensation range
Ambient temperature
10 to 40℃
Sample volume
Measurement time
Power supply
Battery life
Protection class
Dimensions and weight
At least 0.3ml
Approx. 3 seconds
The backlight stays on for 30 seconds after
any button is pressed.
Two (2) AAA alkaline batteries
Approx. 11,000 measurements
(when using alkaline batteries)
55 (W) x 31 (D) x 109 (H)mm, 100g (main unit only)
Read and follow all safety instructions before operating the instrument. Failure to comply with the following instructions may result in personal injury or
property damage.
◇ Ensure safety when handling hazardous materials. Observe precautionary measures and use protective equipment, Be aware of the hazards of such
chemicals and emergency response guidelines.
◇ ATAGO may not be held liable for any injury or damage arising in connection with handling of hazardous materials during the use of the instrument.
◇ Do not drop the instrument or subject it to strong physical shock.
◇ Do not attempt to repair, modify, or disassemble the instrument.
Carefully read this manual to have basic knowledge of the function of each component.
ATAGO is not liable for any loss and damage caused by the measurement and use of this instrument.
Some acids may corrode the glass prism and/or metal sample stage, which may cause erroneous measurements.
Do not use metal tools, such as a spoon, as they may scratch the prism, resulting in erroneous measurements.
Do not use water above 50℃ to rinse the instrument.
Only use the specified battery type. Observe proper polarities, properly aligning the anodes and cathodes.
Store the instrument away from direct sunlight/heat sources and excessive amounts of dust/debris.
Do not expose the instrument to a rapid change in ambient temperature.
Do not subject the instrument to strong vibration.
Do not subject the instrument to extreme cold temperature.
Do not place the instrument under anything heavy.
Loosen the battery compartment cover for air transportation.
<International Protection Classification IP65>
The product is in conformity with the requirements of the EMC Directive 2004/108/EC.
Patent Granted in Japan, United States, Germany, China and Taiwan.
◇ The instrument is water-resistant, not waterproof, and should not be submerged.
<Chemical Resistance of Body Case>
◇ The body case is made of PBT resin. Do not expose it to water vapor or solvents. See the list of “Solvents Harmful to Body Case.”
Headquarters: The Front Tower Shiba Koen,
23rd Floor 2-6-3 Shiba-koen, Minato-ku,
Tokyo 105-0011, Japan
TEL: 81-3-3431-1943 overseas@atago.net
TEL: 91-22-2854-4915 / 4071-3232
TEL: 1-425-637-2107
TEL: 55 16 3913-8400
TEL: 66-21948727-9 ,66-21171549
TEL: 39 02 36557267
TEL: 86-20-38108256
TEL: 7-812-777-96-96
TEL: 234-707-558-1552
1602WP Printed in Japan
Solvents Harmful to Body Case
Solvents that are harmful to the plastic body case include but not limited to the above substances.
ZeroZero-setting and Measurement
Measurement Value
◇ Zero-set the instrument at the beginning of each day before use as well as after replacing the batteries.
◇ Let water on the prism acclimate to the temperature of the instrument before zero-setting.
◇ When “AAA” is displayed, wipe the prism clean, apply water, and press the ZERO button again.
1. Wipe the prism clean and
apply about 0.3ml of
tap/distilled water.
2. Press the START
button, and after “---”
appears, the
measurement and the
prism temperature are
4. Zero-setting is
easurement : not 0.0
Press the ZERO
button while the
water is on the
complete when “000” blinks
twice and then stops.
This unit converts refractive index into TDS (total dissolved solids) for convenient concentration measurements of cutting oil.
The relationship between the concentration of cutting oil and its refractive index differs with each type of oil.
Therefore, to determine the concentration of each type of oil, each solution should have its own custom conversion table to compensate for the value
displayed by instrument.
Conversion method (in the case of water based solutions)
<How to calculate the Conversion Factor>
E.g.) For an oil solution, with a concentration of 5% (dilution ratio at 20 times), mix 95ml of water to 5ml of undiluted solution.
For this example, assume the displayed value, on the instrument, is 4.0.
Next, convert the displayed value using the following relationship to determine the conversion factor; Actual concentration÷Displayed value, Ex: (5.0÷4.0
= 1.25 ).
Once the conversion factor in known (1.25 in this example), measuring a sample with an unknown concentration is simple.
Taking an unknown sample, assume that the measured value is 3.0.
Using the simple formula, displayed value × conversion factor (3.0×1.25) the actual concentration of the sampled measured is 3.75.
<Offset feature use>
Program a conversion factor to automatically display adjusted measurement
In the example above, the measurement values multiplied by the factor of 1.25 will be displayed.
Offset Function
Approx. 0.3ml of water
easurement : 0.0
The instrument is zero-set
Proceed to measurement.
Wipe the prism clean with
tissue paper.
◇ Do not use metal tools to apply samples on the prism as they may scratch the prism.
◇ Initial measurements may fluctuate with hot or cold samples. Wait for the instrument to acclimate to the sample temperature,
approximately 20 seconds, to press the START button. Alternatively, press the START button multiple times until
measurements become stable.
◇ Do not splash water above 50℃. The plastic may warp, which may compromise the water resistance.
• When measuring hot samples, place only the necessary amount and do not let it overflow from the sample stage well.
• When hot water is necessary to clean off hardened samples, use water-soaked gauze around the prism area and keep hot
water away from the body case.
◇ The displayed temperature is that of the prism and may not necessarily match the temperature of the sample.
1. Wipe the prism clean and
apply about 0.3ml of the sample.
2. Press the START
Hold down
Press ZERO
ZERO while it to select either
is turned on.
addition (b) or
“b” wil appear. subtraction (-b).
to confirm.
For addition, only
“b” will appear.
For coefficient (a)
Enter the addition/subtraction number.
ZERO to change the number:
0, 1, 2, …, 8, 9, A, 0, 1, 2…
START to confirm and move to the next
decimal place.
When the 1st place is confirmed with “A,” the
number selections for the decimal places
are skipped.
Enter the
to confirm the
confirm the
on number.
Refer to the coefficient.
Next is to program step 4.
a coefficient.
No plus sign will
be displayed.
“A” appears in the
1st place only, and it
means “10.”
※ To disable the Offset feature, set the Offset value to factory default value
(a:1.00, b:0.00).
※ The measurement range is shifted according to the offset settings.
※ Screen images when offset is on
Water after
Offset “b” =
addition of 0.30
After “---” appears, the
measurement and the prism
temperature are displayed.
For addition/subtraction (b)
y = ax + b
y:Actual concentration
x:PAL-102S readings
a:Coefficient (multiplication)
Range: 0.01 to 10.00(Factory default 1.00)
b:Addition/subtraction number
Range: -10.00 to 10.00(Factory default 0.00)
Replacing the Batteries
◇ Fasten the battery compartment cover tightly to prevent water ingress or poor connection, which will cause erroneous
measurements. Push the cover in firmly and turn.
◇ When the O-ring on the cover is dirty or damaged, the water resistance may be compromised. Lubricate the O-ring
regularly (Figure 1)
◇ When the battery icon indicates the low power level (
), replace both batteries with a brand new set of AAA
alkaline batteries (1.5V).
◇ Static images may occasionally appear on LCD. Such retained pixel charges do not indicate a faulty display, consume
the battery power, or affect the instrument’s performance in any way.
◇ Check the expiration dates on batteries before purchase.
◇ Zero-set the instrument after the batteries are replaced.
Approx. 0.3ml of sample
<LCD Auto ShutShut-off>
The instrument will turn itself off after 2 minutes of inactivity. To manually turn it off, hold down the START
button for more than 2 seconds.
<For oily/fatty samples>
Try stirring the sample on the prism while measuring to improve the repeatability of oily/fatty samples.
1. Insert a coin in the
groove on the battery
compartment cover. Turn
the coin counterclockwise
to remove the cover.
Wipe off the sample, rinse with water, and wipe off the water to clean the sample stage thoroughly.
Dry the sample stage completely with dry tissues.
For oily samples:
Clean oily residues with ethyl alcohol or mild soap, and then, rinse with water.
2. Insert batteries,
observing the correct
3. Align the cover and push 4. Close the battery
it down.
compartment cover by
pushing the cover in with a
coin in the groove and turning
it clockwise until it stops.
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