Sper Scientific 300055 Digital Refractometer Automotive - Manual (Page 2)

CONTENTS
1. Introduction.................................. 2
2. Panel Description ........................ 3-4
3. Notes and Precautions……………5
4. Calibration ................................... 5-6
5. Measurement .............................. 6-7
• Models with Multiple Scales..... 7-8
• Erratic Readings....................... 8-9
5. Zero Checking.............................. 9
6. Battery Replacement................... 9
7. Specifications .............................. 10-11
8. Warranty......................................
12
1. INTRODUCTION
Our Pocket Digital Refractometers measure
Brix, salinity or other parameters with
laboratory accuracy. The digital readout
eliminates uncertainties, while the water
resistant design facilitates clean ups and
protects the electronics from moisture.
Features:
• Automatic Temperature Compensation
• Zero Calibration
• Automatic shut off
• Instantaneous reading
- 11 -
7. SPECIFICATIONS
(con
tinued)
Model
Scale
Ran
ge
Re
s.
A
ccu
ra
cy
Be’
28~48
0.1%
±0.2%
Water
10~45%
Brix
40~95%
300051
Brix
%
0~65%
300052
Brix
%
40~95%
300053
Brix
%
0~95%
300054
Salinity
%
0~28%
Salinity
ppt
0~280ppt
1ppt
±2ppt
300055
Cleaner
(14)~(
-40)
°F
0.1°F
±2.0°F
Eth
ylene Gl
yc
ol
(32)~(
-50)
°F
Prop
yl
ene Gl
yc
ol
(32)~(
-50)
°F
Battery
1.000~1.500sg
0.001sg
±0.005sg
Use pure distilled w
a
ter as the calibration solution for all models.
300050