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RL Instruments carries a complete line of refractometers from Atago. Whether you need a a handheld instrument,
or a precision digital benchtop, RL Instruments can help you choose which type of refractometer that will meet your requirements.
The Atago Pocket Refractometer the 'PAL" has many different user scales such as brix, refractive index, maltose, lactose,
sodium chloride, citric acid, sea water, ethyl alcohol, cutting oil and much more! If you need to test it, there is
a user scale for you!
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Atago Refractometers
Digital Hand-held "Pocket" Refractometer PAL
The PAL-1 is a completely new and redesigned digital hand-held instrument that will change
the traditional conceptions of refractometers. The PAL-1's surprisingly compact size allows you to easily carry it around
and use it indoors as well as outdoors. The size, design, function and performance will surprise you. The PAL-1 with expand
your range of measuring possibilities.
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| Model |
PAL-1 |
Cat.No. |
3810 |
| Measurement Range |
Brix 0.0 to 53.0 %
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Resolution |
Brix 0.1% |
| Measurement Accuracy |
Brix ±0.2 % |
Ambient Temperature |
10 to 40°C |
| Measurement Temperature |
10 to 75°C ( Automatic Temperature Compensation ) |
Sample Volume |
0.3ml |
| Power Supply |
2 × AAA Batteries |
| Measurement Time |
3 seconds |
Dimensions & Weight |
55(W)×31(D)×109(H)mm, 100g (Main Unit only) |
| Optional |
• EXTRACTOR : RE-29401 • PAL-CASE : RE-39409 • 10% Sucrose Solution (±0.03%) : RE-110010 • 30% Sucrose Solution (±0.03%) : RE-110030 • 50% Sucrose Solution (±0.05%) : RE-110050 |
| International Protection Class |
IP65 Dust-tight and Protected against water jets. |
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The PAL-2 has all the great features of the PAL-1, but with a higher measurement range from 45.0-93.0%Brix.
This makes it the perfect instrument for high concentration samples such as jam, marmalade, jelly, honey, concentrated juice,
etc. The PAL-2 is water resistant (rated at IP65), so clean up of viscous samples can be done easily by placing the instrument
under running water. High temperature boiled samples such as jam, marmalade or maple syrup can also be measured. For these
samples, the PAL-2 will give steady readings once measurement is repeated a few times (and the temperature of the sample and
prism surface conforms to the ambient temperature).
In addition, the best new feature of the PAL-2 is that daily "zero-setting" (calibration) can be performed
by using just water.
No more need for any calibration liquid!
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| Model |
PAL-2 |
Cat.No. |
3820 |
| Measurement Range |
Brix 45.0 to 93.0 % |
Resolution |
Brix 0.1 % |
| Measurement Accuracy |
Brix±0.2 % |
Ambient Temperature |
10 to 40°C |
| Measurement Temperature |
10 to 75°C ( Automatic Temperature Compensation ) |
Sample Volume |
0.3 ml |
| Power Supply |
2 × AAA Batteries |
| MeasurementTime |
3 seconds |
Dimensions & Weight |
55(W)×31(D)×109(H)mm, 100g (Main Unit only) |
| Optional |
• PAL-CASE : RE-39409 • 50% Sucrose Solution (±0.05%) : RE-110050 |
| International Protection Class |
IP65 Dust-tight and Protected against water jets. |
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Digital Hand-Held "Pocket" Refractometer (Special Scale)
Atago has released 80 new scales of Digital Hand-Held "Pocket" Refractometer PAL series!! You
can select whichever scale you want for your application and sample. Please contact us for more details.

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4410
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PAL 10-S
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Urine (S.G.)
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4439
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PAL 39-S
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Hydrogen Peroxide
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4484
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PAL 84-S
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Baume
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4412
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PAL 12-S
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Dextran
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4413
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PAL 13-S
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Creatine
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4423
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PAL 23-S
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Glycerine (Low Concentration)
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4424
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PAL 24-S
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Glycerine (High Concentration)
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4455
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PAL 55-S
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Magnesium Sulfate
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3850
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PAL-RI
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Refractive Index (1.3306 to 1.5284)
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The RX-9000α is a fully automatic digital refractometer with the highest level of accuracy
of its kind.
Designed with a wide measurement range, measurement temperature range, and highest measurement
accuracy, this instrument is suitable for multiple sample types; such as measuring oils and fats with high melting points,
aroma oils of high refractive index and organic solvents, meeting demands for high accuracy measurements.
The RX-9000α has a built-in Peltier thermo module for maintaining a constant sample temperature
while taking measurements. Manual calibration is also possible to adjust to standard liquid values and to correct differences
in measurement values between instruments.

| Model |
RX-9000α |
Cat.No. |
3263 |
| Measurement Range |
Refractive index (nD) 1.32500 to 1.70000 Brix 0.00 to 100.00% (ATC : 5 to 70°C) |
Minimum Indication |
Refractive index (nD):0.00001 or 0.0001 (by selection) Brix 0.01% or 0.1% (by selection) Temperature:
0.01°C |
| Measurement Accuracy |
Refractive index (nD) : ±0.00004 (nD 1.33299 to1.42009 at Measurement Temperature 10.00 to 30.00°C
) Refractive index (nD) : ±0.00010 (For ranges other than the above) Brix±0.03% (Brix 0.00 to 50.00% at Measurement
Temperature 10.00 to 30.00°C Brix±0.05% (Brix 50.01 to 95.00% at Measurement Temperature 10.00 to 30.00°C Brix±0.10%
(For ranges other than the above, with Sucrose solution by MODE1)
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| Repeatability |
Refractive index (nD) : ±0.00002 (nD 1.33299 to1.42009 at Measurement Temperature 10.00 to 30.00°C
) Refractive index (nD) : ±0.00005 (For ranges other than the above) Brix±0.01% (Brix 0.00 to 50.00% at Measurement
Temperature 10.00 to 30.00°C Brix±0.02% (For ranges other than the above, with Sucrose solution by MODE1) |
| Measurement Temperature |
5 to 70°C |
Mode |
3 types |
| Power Supply |
AC100V to 240V, 50/60Hz |
Power consumption |
480VA |
| Dimensions & weight |
37×26×14cm, 6.9kg (Main Unit only) |
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| Output terminals |
•Printer (for ATAGO digital printers) •RS-232C |
| Optional |
• Digital Printer DP-RX : Cat.No.3121 • Digital Printer DP-RD : Cat.No.3122 • Volatile sample adapter for RX-9000α : RE-56152 • Flow cell attachment for RX-9000α
: RE-56155 • 10% Sucrose (±0.01%) : RE-111001 • 30% Sucrose (±0.01%) : RE-113001 • 50% Sucrose (±0.02%) : RE-115002 |
| Parts |
• Cover plate for RX-9000α : RE-6532 • Printer paper (regular) for DP-RX : RE-8412 • Printer paper (long-term storage)for DP-RX: RE-8414 • Printer paper for DP-RD : RE-89403 • Ribbon cassette for DP-RD : RE-89402 • Fan Filter Replacement : RE-58001 |
The RX-5000α ( alpha ) is an automatic digital refractometer which can set measurement
temperature internally and has the following features for measuring the refractive index, Brix or concentration of various
liquids accurately and speedily
• Since the RX-5000α ( alpha ) has a thermo-module to control temperature, a constant
temperature water bath is not necessary. • The measurement starts automatically after the sample reaches your targeted
temperature. • The refractive index and Brix at your targeted temperature are speedily displayed. • High
Brix ± 0.03% and refractive index ± 0.00004 accuracy can be obtained. • The RX-5000α ( alpha ) displays the
top-and-bottom-limit-bar for your set control range. • If the measurement value differs from that of your Standard
Liquid or the other refractometer, it can be adjusted in a certain range. • 60 kinds of user scales can be input
according to your sample. • The RX-5000α ( alpha ) is capable of calling up 30 latest measurements.
*Special model of RX-5000α allows pre-programming of an additional scale (such as honey
moisture, inverted sugar% or salt concentration) in addition to Refractive Index and Brix (%) at customer's request.

| Model |
RX-5000α |
Cat.No. |
3261 |
| Measurement Range |
Refractive index (nD) : 1.32700 to 1.58000 Brix : 0.00 to 100.00% ( 5 to 60°C ATC)
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Minimum indication |
Refractive index (nD) : 0.00001 Brix : 0.01% Temperature: 0.01°C |
| Measurement Accuracy |
Refractive index (nD) : ±0.00004 Brix : ±0.03% |
Measurement Temperature |
5 to 60°C |
| Repeatability |
Refractive index : ±0.00002 Brix : ±0.01% |
Power Supply |
AC100V to 240V, 50/60Hz |
| Mode |
3 types |
Dimensions & weight |
37×26×14cm, 6.4kg (Main Unit only) |
| Power consumption |
480VA |
| Output terminals |
• Printer (for ATAGO digital printers) • RS-232C |
| Optional |
• Digital Printer DP-RX : Cat.No.3121 • Digital Printer DP-RD : Cat.No.3122 • Digital printer DP-62α : Cat.No.3019 • Volatile sample adapter for RX-5000α : RE-56151 • Flow cell attachment for RX-5000α
: RE-56156 • 10% Sucrose (±0.01%) : RE-111001 • 30% Sucrose (±0.01%) : RE-113001 • 50% Sucrose (±0.02%) : RE-115002 |
| Parts |
• Cover plate for RX-5000α : RE-6532 • Printer paper (regular) for DP-62α, DP-RX : RE-8412 • Printer paper (long-term storage)for DP-62α, DP-RX : RE-8414 • Printer paper for DP-RD : RE-89403 • Ribbon cassette for DP-RD : RE-89402 • Fan Filter Replacement : RE-58001 |
9 Main Street, Suite 2E P.O. Box 423 Manchaug, MA 01526 508-476-1935
Phone 508-476-1927 Fax www.rlinstruments.com
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