Triplett RFT10 Manuale utente
User Manual
RFT10, RFT32, RFT50, RFT55
Handheld Refractometers
Introduction
Thank you for selecting the Triplett MS300 Pinless Moisture Meter. The
MS300 sensor performs non-invasive, relative moisture measurements on
wood and building materials such as wallboard, sheet rock, cardboard,
plaster, concrete, and mortar. The MS300 also offers auto power off
(APO), display lock (hold), and self-calibration features.
The MS300 is ideal for building restoration projects and applications
where moisture detection on floors and under carpets is critical. The
MS300 is also a handy tool for analyzing the effects of water leakage
behind walls and in ceilings
Meter Description
Operation
Step 1.
Open daylight plate, and place 2-3
drops of distilled water on the main
prism. Close the daylight plate so the
water spreads across the entire surface
of the prism without air bubbles or dry
spots. Allow the sample to temperature
adjust on the prism for approximately 30
seconds before going to step 2. This
allows the sample to adjust to the
ambient temperature of the
refractometer.
Step 2.
Hold daylight plate in the direction of a light source and look into the
eyepiece. If you will see a circular field with graduation down the entrance,
you may have to focus the eyepiece to clearly see the graduation. The upper
portion of the field should be blue, while the lower portion should be white.
(The pictures shown here and shown in step3&step4 are only as reference.
The right specific scale is listed the products.)
Step 3.
Look into the eyepiece and turn
the calibration screw till the
boundary between the upper blue
field and the lower white field
meet exactly on the zero scale,
such as shown in the image. That is the end of the calibration process. Make
sure the ambient room temperature is correct for the solution you are using
(20℃/68℉). When working temperature of the room or environment (not the
sample) changes by more than 5℉, we recommend recalibrating to maintain
accuracy. If the instrument is equipped with Automatic Temperature
Compensation system, the ambient working temperature of the room must
be 20℃/68℉whenever the instrument is recalibrated. Once calibrated, shifts
in ambient temperature within the acceptable range (10℃-30℃) should not
affect accuracy. Calibrate to “0”scale
Step4.
Now place a few drops of the sample to be tested onto the main prism, close
the daylight plate and check reading. Take the reading where the boundary
line of blue and white separating the graduated scale. The scale will provide
a direct reading of the concentration.
**NOTE: Each model of scale different, but the operation method is
totally the same.
Maintenance
1. Accurate measurement depends on careful calibration. The prism and
sample must be at the same temperature for accurate results.
2. Don’t expose the instrument to damp working conditions, and don’t
immerse the instrument in water. If the instrument becomes foggy, water has
entered the body. Call a qualified service technician or contact your dealer.
3. Don’t measure abrasive or corrosive chemicals with these instruments.
They can damage the prism’s coating.
4. Clean the instrument after measurement using a soft damp cloth. Failure
to clean the prism on a regular basis will lead to inaccurate results and
damage to the prism’s coating.
5. This is an optical instrument. It needs careful handling and storage.
Failure to do so can result in damage to the optical components and its basis
structure. With care, this instrument will last years of reliable service.
Specifications
RFT10
RFT32
Type
Sucrose
Sucrose
Range
0 to 10% (20°C)
0 to 32% (20°C)
Accuracy
±0.1%
±0.2%
Resolution
0.1
0.2
ATC
50° to 86°F (10°
to 30°C)
50° to 86°F (10°
to 30°C)
Dimensions
6.7x1.6x1.6"
(170x40x40mm)
6.7x1.6x1.6"
(170x40x40mm)
Weight
6oz (170g)
6oz (170g)
RFT50
RFT55
Propylene Glycol
Freeze Point
-50°C to 0°C
-60°F (63%) to
32°F (12%)
Ethylene Glycol
Freeze Point
-50°C to 0°C
-60°F (59%) to
25°F (16%)
Accuracy
±2%
±2%
Resolution
1°C
2°F
Battery Acid
Specific Gravity
1.15 to 1.30
1.15 to 1.30
Dimensions
6.7x1.6x1.6"
(170x40x40mm)
6.7x1.6x1.6"
(170x40x40mm)
Weight
6oz (170g)
6oz (170g)
Warranty
Triplett / Jewell Instruments extends the following warranty to the original purchaser of
these goods for use. Triplett warrants to the original purchaser for use that the products
sold by it will be free from defects in workmanship and material for a period of (1) one
year from the date of purchase. This warranty does not apply to any of our products
which have been repaired or altered by unauthorized persons in any way or purchased
from unauthorized distributors so as, in our sole judgment, to injure their stability or
reliability, or which have been subject to misuse, abuse, misapplication, negligence,
accident or which have had the serial numbers altered, defaced, or removed.
Accessories, including batteries are not covered by this warranty
Copyright ©2022 Triplett
www.triplett.com
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