METRIA
METRIA
Portable a
1.
Refractometer
screw
(only for PREF
B92-001), cal
for PREF
001) and
2.
Aim the refractometer front end
into a bright light source and
adjust the diopters ring until the
reticle can be seen
3.
A: (For
001, PREF
and PREF
lid, drop one or two drops o
distilled water on the prism
surface, press the lid to
adjust
the
screw
until
the
light/blue boundary coincides with
the null line.
ETRIA
Portable
METRIA
Portable analogue
Contains:
Refractometer,
screwdriver, calibration solution
(only for PREF-B82
001), calibration block (only
for PREF-B82-001 and PREF
001) and soft cloth
Preparation
Aim the refractometer front end
to a bright light source and
adjust the diopters ring until the
reticle can be seen
Calibration
A: (For PREF-B20
PREF-B50-001
and PREF-AL7-001
lid, drop one or two drops o
distilled water on the prism
urface, press the lid to
adjust
the
screw
until
the
light/blue boundary coincides with
the null line.
Portable analogue r
nalogue refractometer
transfer pipette
driver, calibration solution
B82-001 and PREF
ibration block (only
001 and PREF-
soft cloth.
Preparation
:
Aim the refractometer front end
to a bright light source and
adjust the diopters ring until the
reticle can be seen.
Calibration:
B20-001, PREF
001, PREF-AL6
001)
Open de cover
lid, drop one or two drops o
distilled water on the prism
urface, press the lid to close it and
adjust
the
screw
until
the
light/blue boundary coincides with
refractometer
refractometer
transfer pipette
driver, calibration solution
001 and PREF-
ibration block (only
-B92-
Aim the refractometer front end
to a bright light source and
adjust the diopters ring until the
001, PREF-B32,
AL6-001
Open de cover
lid, drop one or two drops of
distilled water on the prism
close it and
adjust
the
screw
until
the
light/blue boundary coincides with
B: (For PREF
B92
one or two drops o
solution on the
the calibration block. Open
cover plate, stick the cali
block on the
press
down. Rotate and adjust the
calibration screw until
coinci
(set
Open the cover
prism surface
drop one or two drops of the
solution to measure. Close the
cover plate and hold it firmly to
read the scale of light and dark
boundary.
5
After measurement, clean the
prism surface and the cover pl
with a moist gauze.
with liquids and samplings must
be done on the
efractometer
B: (For PREF
92-001)
Open th
one or two drops o
solution on the
the calibration block. Open
cover plate, stick the cali
block on the
press it lightly to avoid sliding
down. Rotate and adjust the
calibration screw until
coincides with the reference line
(set at Brix 78.8%).
4.
Measurement:
Open the cover
prism surface
drop one or two drops of the
solution to measure. Close the
cover plate and hold it firmly to
read the scale of light and dark
boundary.
5
.
Maintenance:
After measurement, clean the
prism surface and the cover pl
with a moist gauze.
with liquids and samplings must
be done on the
B: (For PREF-B82-001 and PREF
Open the cover lid, drop
one or two drops of calibration
solution on the polished surface of
the calibration block. Open
cover plate, stick the cali
block on the prism surface
tly to avoid sliding
down. Rotate and adjust the
calibration screw until the light
des with the reference line
at Brix 78.8%).
Measurement:
Open the cover plate, clean the
with a soft paper,
drop one or two drops of the
solution to measure. Close the
cover plate and hold it firmly to
read the scale of light and dark
Maintenance:
After measurement, clean the
prism surface and the cover pl
with a moist gauze. Calibration
with liquids and samplings must
be done on the same temperature
001 and PREF-
e cover lid, drop
f calibration
surface of
the calibration block. Open the
cover plate, stick the calibration
prism surface and
tly to avoid sliding
down. Rotate and adjust the
the light
des with the reference line
clean the
soft paper,
drop one or two drops of the
solution to measure. Close the
cover plate and hold it firmly to
read the scale of light and dark
After measurement, clean the
prism surface and the cover plate
Calibration
with liquids and samplings must
same temperature
range. If the temperature changes
noticeably the device should be
calibrated again.
Do not use water for cleaning
after use. It could damage the
device interior.
This is a precision optical
instrument. Handle it gently and
take good care of it. Do not touch
or scratch the optical surface.
Please keep it in a dry, clean and
non-corrosiveness
environment,
to prevent the surface from
turning mouldy or damaged.
5.
Temperature
compensation:
This ATC device contains an
Automatic
Temperature
Compensation system that allows
the user to concentrate on the
measurements. The compensation
range is from
1. Prism
2. Cover Plate
3. Calibration screw
4. Mirror tube
5. Diopter ring
the temperature changes
noticeably the device should be
calibrated again.
Do not use water for cleaning
after use. It could damage the
rior.
This is a precision optical
instrument. Handle it gently and
take good care of it. Do not touch
or scratch the optical surface.
Please keep it in a dry, clean and
corrosiveness
environment,
to prevent the surface from
turning mouldy or damaged.
Temperature
compensation:
This ATC device contains an
Automatic
Temperature
Compensation system that allows
the user to concentrate on the
measurements. The compensation
range is from 10°C to 30°C
1. Prism
2. Cover Plate
3. Calibration screw
4. Mirror tube
5. Diopter ring
the temperature changes
noticeably the device should be
Do not use water for cleaning
after use. It could damage the
This is a precision optical
instrument. Handle it gently and
take good care of it. Do not touch
or scratch the optical surface.
Please keep it in a dry, clean and
corrosiveness
environment,
to prevent the surface from
turning mouldy or damaged.
This ATC device contains an
Automatic
Temperature
Compensation system that allows
the user to concentrate on the
measurements. The compensation
0°C to 30°C.
3. Calibration screw
the temperature changes
noticeably the device should be
Do not use water for cleaning
after use. It could damage the
This is a precision optical
instrument. Handle it gently and
take good care of it. Do not touch
or scratch the optical surface.
Please keep it in a dry, clean and
corrosiveness
environment,
to prevent the surface from
This ATC device contains an
Automatic
Temperature
Compensation system that allows
the user to concentrate on the
measurements. The compensation
