ATAGO 3850 Instruction Manual

The displayed Refractive Index value is not compensated for temperature. The measured value is the Refractive Index at the
displayed measurement temperature. Changes in temperature directly affect the Refractive Index of any sample (even for the
same sample at the same concentration level).

Storage and Maintenance

Store the instrument in a dry place away from
direct sunlight. Exposure to humidity and heat
may damage the instrument.

Repair and Warranty

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
•
Damages to the prism and/or sample stage
•
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 Refractive index 1.3306 to 1.5284
Temperature 5.0 to 45.0℃
Resolution Refractive index 0.0001
Temperature 0.1℃
Accuracy Refractive index ±0.0003 (water at 20℃)
Temperature ±1℃
Automatic temperature 10 to 40℃
compensation range
Sample volume At least 0.3mL
Measurement time Approx. 3 seconds
Backlight The backlight stays on for 30 seconds
after any button is pressed.
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.
TEL: 91-22-2854-4915 / 4071-3232
Headquarters: The Front Tower Shiba Koen,
customerservice@atago-india.com
23rd Floor 2-6-3 Shiba-koen, Minato-ku,
Tokyo 105-0011, Japan
TEL: 66-21948727-9 ,66-21171549
TEL: 81-3-3431-1943 overseas@atago.net
customerservice@atago-thailand.com
http://www.atago.net/
TEL: 55 16 3913-8400
TEL: 1-425-637-2107 customerservice@atago-brasil.com
customerservice@atago-usa.com
TEL: 39 02 36557267
customerservice@atago-italia.com
Refractive Index
Clean and dry the sample stage thoroughly,
following the "Cleaning" instructions.
Store the unit away from direct sunlight at a
stable temperature with as little fluctuation as
possible.
•
Having been misused and/or operated outside the environmental specifications
•
Leakage from batteries other than those included with the unit

Specifications

Maximum number of 100
data history
Output NFC Forum Type 4 Tag
ISO/IEC 14443 Type A
Output category : Date Time, RI, Temp [degC]
(e.g.) 2017/08/17 09:30:45, 1.3425, 20.4
Power supply Two (2) AAA alkaline batteries
Battery life Approx. 11,000 measurements
(when using alkaline batteries)
International IP65
Protection class
Dimensions and weight 55 (W) x 31 (D) x 109 (H)mm, 100g (main unit only)
TEL: 86-20-38108256
info@atago-china.com
TEL: 7-812-777-96-96
info@atago-russia.com
TEL: 234-707-558-1552
atagonigeria@atago.net
TEL: 7-727-257-08-95
info@atago-kazakhstan.com
1803K Printed in Japan
Digital Hand-held "Pocket" Refractive index Refractometer
PAL-RI
Cat.No.3850
LCD
The warranty period
Measurement results,
prism temperature,
extension method
remaining battery
charge, etc., are
1 year 2 years
displayed.
The displayed value
The warranty period will is an example.
be extended from 1 year
to 2 years when you START button
register customer
(Power button)
information.
QR code
Press to take
ATAGO Logger NFC
measurements and
can also be downloaded at the same
hold down to turn off
time.
the display.
Trouble scanning the code? Access
this link Battery
http://www.atago.net/ur/
compartment
Place and remove
batteries from here.
Main unit.........1 Instruction Manual (this book) .....1
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.

Safety Instructions

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 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. Some solvents may compromise the structural integrity of the instrument.
Instruction Manual
Parts
Sample stage
Apply water and
samples on the glass
prism located in the
center of the sample
stage.
ZERO button
Press to perform
zero-setting.
START button &
ZERO button
Press to set date, time,
and delete data history.
Lanyard hole
Image is for explanation purposes only. It may be
different than the actual product purchased.
Contents
Calibration Report .. 1 AAA batteries ...........2

Introduction

3850-E12