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Extech RF41 Portable Battery Coolant/Glycol Refractometer

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RF41
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The Extech RF41 is used to accurately determine the specific gravity levels of ethylene/propylene glycol and can also be used to measure the overall freezing point of various types of coolant.

Available ranges on this refractometer are -50 to 0°C, Propylene Glycol freeze point, -50 to 0°C Ethylene Glycol freeze point and 1.15 to 1.30 Specific Gravity of Battery Acid. All measurements are calculated with automatic temperature compensation, ensuring that the effects of temperature do not have an effect on measurement accuracy.

Extech's RF range of refractometers are easy to use and can be used to determine repeatable measurements by adjusting the focus slightly. They also only require 2 to 3 drops of solution in order to operate.

Extech RF41 Portable Battery Coolant/Glycol Refractometer Key Features

  • Accurately measure the concentration level of ethylene/propylene glycol
  • Measure the gravity of battery and other coolant types
  • Handheld and easy to use
  • Automatic temperature compensation
  • Repeatable measurements
  • Only requires 2 to 3 drops of solution to work

Full List of Products Included

  • Extech RF41 Portable Battery Coolant/Glycol Refractometer
  • Carrying Case
  • Calibration Screwdriver
  • Calibration Solution

Extech RF41 Technical Specifications/ Comparison Chart

Specifications        
Model Type Ranges Resolution Accuracy
RF16 Sucrose 0 to 10% Brix 0.1 ±0.1%
RF11 Suscrose (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/Weight 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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Additional Information
SKU RF41
Manufacturer Part Code RF41
Country of Origin China

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