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Its triple scale reads Urine Specific Gravity, Total Serum Protein and Refractive Index. The refractometer also features Automatic Temperature Compensation (ATC).
This is a quality optical instrument that includes a soft carrying case, bulb filler, screwdriver and instructions.

| Clinical Refractometer | ||||
| Model | Measurement Range | Min. Div. | Accuracy | ATC |
| 300076 | 0-12g/dl 1.000-1.050sg 1.3300RI-1.3600RI |
0.2g/dl 0.005sg 0.0005RI |
±0.2g/dl ±0.005sg ±0.0005RI |
Yes |
|
Model |
Type |
Range |
Resolution |
Accuracy |
|
300070 |
Salinity |
0-28% Salinity |
0.2% Salinity |
±0.2% |
|
300071 |
Brix & Salinity |
0-28% Brix |
0.2% Brix |
±0.2% |
|
0-32% Salinity |
0.2% Salinity |
±0.2% |
||
|
300072 |
Salinity |
0-100‰ ppt |
1% ppt |
±1% |
|
1.000-1.070 sg |
0.001 sg |
±0.001 sg |
||
|
300073 |
Brix |
0-32% Brix |
0.2% Brix |
±0.2% |
|
300074 |
Brix |
28-62% Brix |
0.2% Brix |
±0.2% |
|
300075 |
Brix |
0-80% Brix |
1% Brix |
±1% |
|
300076 |
Clinical |
0-12 g/dl SP |
0.2g/dl |
±0.2 |
|
1.000-1.050 SG |
0.0005sg |
±0.005 |
||
|
1.330 - 1.360 nD |
0.0005nD |
±0.0005 |
||
|
300077 |
Automotive |
-60°F-32°F Ethylene |
10°F |
±10°F |
|
-50°F-32°F Propylene |
10°F |
±10°F |
||
|
1.15-1.30sg Battery |
0.01sg |
±0.01sg |
||
|
300078 |
Beer |
0-20% Brix |
0.2% Brix |
0.2% |
|
1.000-1.085 Wort |
0.001sg Wort |
0.001sg |
||
|
300079 |
Honey |
58-90% Brix 38-43 Be’ 10-33% Water |
1% Brix 0.5 Be’ 1% Water |
±1% ±0.5 Be’ ±1% Water |
|
300080 |
Wine/Grape |
0 - 25 vol%; 0-170° OE |
0.2% vol 1° Oe |
±0.2% vol ±1° Oe |
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