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NO.4 Series Hand-held Refractometers Series |
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Model |
Measuring Range |
Minmum Scale |
Size(mm) |
Weight(g) |
REF401/411/401bp |
-60~32℉ |
10℉ |
26/30*40*160 |
180 |
1.15-1.30sg |
0.01sg |
REF402/412/402bp |
-50~0℃ |
5℃ |
26/30*40*160 |
180 |
1.15-1.30sg |
0.01sg |
REF403/413/403bp |
-50~0℃ |
10℃ |
26/30*40*160 |
180 |
-40~0℃ Cleaner |
5℃ |
1.15~1.30sg |
0.01sg |
REF404/414/404bp |
-50-0℃ |
5℃ |
26/30*40*160 |
180 |
-40~0℃ Cleaner |
10℃ |
1.100-1.40Kg/L |
0.01Kg/L |
REF416 |
250~500℉/1-6%H2O |
1%H2O |
45*45*200 |
235 |
REF417 |
-50~32℉(-45.6~0℃) |
5℉ |
45*45*200 |
235 |
1.100-1.400Kg/L |
0.01 |
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REF404/414/404bp Battery/Coolants/Cleaner
This model can be used for measuring the freezing point of either ethylene glycol or propylene glycol based cooling systems, It can be used for checking the strength of electrolyte solution batteries.
Scale range: -50~0℃, coolants
-40~0℃,cleaner
1.10-1.40Kg/L,batteries
Minimum scale: 5℃
10℃
0.01Kg/L |
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REF416 Brake fluid-tester
The model is optical brake fluid tester with easy and accurate method for checking moisture content and boiling point of brake fluid
Scale range:boiling point: 250~500℉,1~6%,H2O
High temp: 250~570℉,1~6% H2O
Minimum scale :1% water
Model REF416 has a built-in automatic temperature compensation system.
Compensation temperature range 15℃ to 30℃ |
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