3
REICHERT AR6 SERIES
Refractometers
Instruction Manual
Table of Contents
Section
Page
1.0 INTRODUCTION ..................................3
2.0 UNPACKING ..........................................3
3.0 SETUP ....................................................3
3.1 Electrical Considerations/Equipment
Ratings ...........................................................3
3.2 Fuses .....................................................4
4.0 COMPONENTS ....................................4
5.0 OPERATING INSTRUCTIONS ..........4
5.1 Preparing the Prism Surface for
Samples .........................................................8
5.2 Applying the Sample and Taking
Readings ........................................................8
6.0 DIAGNOSTICS ......................................8
7.0 CHANNELS ...........................................8
8.0 AUTOMATIC TEMPERATURE
COMPENSATION ..................................8
9.0 WATER BATH ATTACHMENT ..............9
10.0 CARE AND CLEANING .......................9
10.1 Care of Prism Surface ........................9
11.0 LAMP REPLACEMENT .......................9
12.0 RS232C SERIAL PORT ......................9
13.0 PRINTER OUTPUT ..............................9
14.0 SPECIFICATIONS ..............................10
15.0 ACCESSORIES ..................................10
Please note that a refractometer is a high-precision
optical instrument. It is absolutely necessary to properly
maintain the refractometer to obtain the best possible
accuracy. This includes thoroughly cleaning
the prism and well after each sample,
routinely calibrating the instrument, and
replacing the lamp as necessary.
1.0 INTRODUCTION
This manual describes the proper use and
operation of the REICHERT AR6 Refractome-
ter. The REICHERT AR6 is an automatic,
bench-top refractometer with digital readout It
measures % solids (Brix), % solids (Brix) –
temperature compensated, refractive index
and refractive index –temperature compen-
sated (Sucrose). It can be used for applica-
tions in the medical, pharmaceutical,
industrial fluids, quality control, chemicals,
plastics, petrochemicals and food/beverage
industries.
2.0 UNPACKING
Carefully remove the REICHERT AR6 from the
packing box. The following accessories have
been included with the instrument
• Power cord
• Dust cover - catalog No. 1310500-43
• Instruction manual
• 13K41330 calibration oil
Do not discard the packing materials. If for any reason it
becomes necessary to store or ship your
REICHERT AR6 Refractometer use the
packing materials for protection against
damage.
3.0 SET
The REICHERT MODEL AR6Refractometer
requires no assembly. The instrument should
be positioned on a bench top. Care should be
taken to place the instrument in an environ-
ment with a stable temperature (i.e.: away
from an air conditioner or water bath exhaust
draft) and minimal vibration.
As a safety precaution the power cord has been grounded to
the chassis of the instrument. Never use an adapter that may
interrupt the protective grounding.
The instrument is equipped with a ventilation entrance in the
base and an exhaust fan at the rear, keep these openings
free of debris or obstruction.
3.1 Electrical Considerations/
Equipment Ratings
REICHERT AR6 Refractometer incorporates
an auto-sensing, switching AC power supply.
IMPORTANT Before attempting to set up and operate the
