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Get $3.60 cashback on Extech RF40 Coolant/battery Acid Refractometer
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ShareExtech RF40 Coolant/battery Acid Refractometer
Users say:
This product is easy to use and read, making it a great value for the price. It is suitable for testing battery acid, coolant, and electrolyte, and comes with a dropper and distilled water for temperature compensation. It is also great for monitoring deep-cycle lead-acid batteries in an off-grid system.
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Review summary
AI-generated content
This product is easy to use and read, making it a great value for the price. It is suitable for testing battery acid, coolant, and electrolyte, and comes with a dropper and distilled water for temperature compensation. It is also great for monitoring deep-cycle lead-acid batteries in an off-grid system.
Pros
- Easy to use
- No batteries required
- Comes with dropper and distilled water
Cons
- Price may be high
Read original reviews
Description
Portable Battery Coolant Refractometer, Coolant/Battery Acid, Range Ethylene Glycol Freeze Point: -60 Degrees F (59 Percent) to 25 Degrees F (16 Percent), Propylene Glycol Freeze Point: -60 Degrees F (63 Percent) to 32 Degrees F (12 Percent), Specific Gravity of Battery Acid: 1.15 to 1.30, Automatic Temperature Compensation Yes, Accuracy +/-2 Percent, Resolution Glycol: 2 Degrees F, Specific Gravity: 0.01
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Specifications
| Length | : 6 1/2 In |
| Type | Coolant/battery Acid Refractometer |
| Brand | Extech |
| Max Temperature Compensation (° C) | 30 |
| Min Propylene Glycol (° C) | 46 |
| Temperature Accuracy | 2% |
| Max Battery Specific Gravity | 1.3 |
| Temperature Resolution | 2°f |
| Min Propylene Glycol (° F) | 60 |
| Max Ethylene Glycol (° C) | 0 |
| Max Temperature Compensation (° F) | 86 |
| Min Ethylene Glycol (° C) | 51 |
| Min Temperature Compensation (° F) | 50 |
| Max Propylene Glycol (° C) | 0 |
| Max Ethylene Glycol (° F) | 32 |
| Min Battery Specific Gravity | 1.15 |
| Warranty | 1 Year |
| Min Temperature Compensation (° C) | 10 |
| Min Ethylene Glycol (° F) | 50 |
| Resolution | 0.01 S.g. |
| Max Propylene Glycol (° F) | 32 |
| Description | Coolant/battery Acid Refractometer, -60 To 32 F, 1.15 To 1.30 Sg |
| Battery Type | Coolant |