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The Extech RF40 measures -60 to 32°F Propylene and -60 to 25°F Ethylene Glycol freeze point. The RF40 also measures 1.15 to 1.30 Specific Gravity of Battery Acid.
Model | Type | Ranges | Resolution | Accuracy |
RF16 | Sucrose | 0 to 10% Brix | 0.1 | ±0.1% |
RF11 | Sucrose (ATC) | 0 to 10% (10 to 30°C) | 0.1 | ±0.1% |
RF18 | Lubricants/Cutting fluids | 0 to 18% Brix | 0.2 | ±0.2% |
RF12 | Lubricants/Cutting fluids (ATC) | 0 to 18% Brix (10 to 30°C) | 0.2 | ±0.2% |
RF10 | Sucrose | 0 to 32% Brix | 0.2 | ±0.2% |
RF15 | Sucrose (ATC) | 0 to 32% Brix (10 to 30°C) | 0.2 | ±0.2% |
RF20 | Salt (ATC) | 0 to 100ppt (10 to 30°C) 1.000 to 1.070 Refractive Index | 0.001 | ±0.1% |
RF40 | Coolant (ATC) | -60 to 32°F Propylene Glycol freeze point -60 to 25°F Ethylene Glycol freeze point 1.15 to 1.30 Specific Gravity of Battery Acid | 2°F 2°F 0.01 | ±2% ±2% |
RF41 | Coolant (ATC) | -50 to 0°C Propylene Glycol freeze point -50 to 0°C Ethylene Glycol freeze point 1.15 to 1.30 Specific Gravity of Battery Acid | 1°C 1°C 0.01 | ±2% ±2% |
RF30 | Triple Range General Service | 0 to 41% Brix 42 to 71% Brix 72 to 90% Brix | 0.2 0.2 0.2 | ±0.2% ±0.2% ±0.2% |
Dimensions/Wt | RF10/RF15: 6.6 x 1.6 x 1.2" (170 x 40 x 30mm)/ 7oz (200g); RF11/RF16: 7.5 x 1.6 x 1.2" (190 x 40 x 30mm)/ 6.5oz (185g); RF12/RF18: 6.7 x 1.6 x 1.2" (170 x 40 x 30mm)/ 6.5oz (185g); RF20: 7.6 x 1.5 x 1.5" (194 x 38 x 38mm)/ 8oz (227g); RF40/RF41: 6.2 x 1.6 x 1.2" (160 x 40 x 30mm)/ 6.3oz (180g) RF30: 7.9 x 1.5 x 1.1” (200 x 38 x 28mm)/ 21.86oz (620g) |
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