Extech Rf41: Top-notch Specifications, Comprehensive Comparisons, And Trusted Buying Sources
Extech RF41 Information
The Extech RF41 is a portable battery coolant/glycol refractometer with automatic temperature compensation (ATC). It measures the freezing point of propylene/ethylene glycol from -50°C to 0°C and the specific gravity of battery acid from 1.11 to 1.30. The RF41 also provides a quick reference of battery charge condition.
Image of Extech RF41 refractometer
Specifications
| Feature | Specification |
|---|---|
| Measuring range | Propylene/ethylene glycol freezing point: -50 to 0°C |
| Specific gravity of battery acid: 1.11 to 1.30 | |
| Automatic temperature compensation (ATC) | Yes |
| Accuracy | ±0.2°C (freezing point) |
| ±0.002 (specific gravity) | |
| Resolution | 0.1°C (freezing point) |
| 0.001 (specific gravity) | |
| Field of view | 10° |
| Eyepiece | 16x |
| Prism and lens | Single immersion |
| Focus adjustment | Simple |
| Dimensions | 5.5 x 2 x 1.5 inches |
| Weight | 2.4 ounces |
Features
- Portable and easy to use
- Automatic temperature compensation for repeatable measurements
- Measures the freezing point of propylene/ethylene glycol and the specific gravity of battery acid
- Provides a quick reference of battery charge condition
- Includes carrying case, calibration screwdriver, plastic pipette, and calibration solution
What's in the box
- Extech RF41 refractometer
- Carrying case
- Calibration screwdriver
- Plastic pipette
- Calibration solution
The Extech RF41 is a versatile and accurate refractometer that is ideal for measuring the freezing point of coolants and the specific gravity of battery acid. It is portable and easy to use, making it a great tool for technicians and DIYers alike.
Here are some additional benefits of using the Extech RF41:
- It can help you to identify the type of coolant in your vehicle's cooling system.
- It can help you to determine if your battery is properly charged.
- It can help you to prevent costly repairs by identifying potential problems with your vehicle's cooling system or battery.
If you are looking for a reliable and accurate refractometer, the Extech RF41 is a great option. It is a versatile tool that can be used by technicians and DIYers alike.
Extech RF41 Compare with Similar Item
a table comparing the Extech RF41 to two similar items:
| Feature | Extech RF41 | Extech RF40 | Apera Instruments AI200 |
|---|---|---|---|
| Measuring range | Propylene/Ethylene Glycol freezing point: -50°C to 0°C | Propylene/Ethylene Glycol freezing point: -65°F to 32°F | Propylene/Ethylene Glycol freezing point: -50°C to 0°C |
| Specific gravity of battery acid: 1.11 to 1.30 | Specific gravity of battery acid: 1.10 to 1.30 | Specific gravity of battery acid: 1.10 to 1.30 | |
| Automatic temperature compensation (ATC) | Yes | Yes | Yes |
| Number of drops required for measurement | 2 or 3 | 2 or 3 | 2 or 3 |
| Focus adjustment | Simple focus adjustment | Simple focus adjustment | Simple focus adjustment |
| Carrying case included | Yes | Yes | Yes |
| Calibration screwdriver included | Yes | Yes | Yes |
| Price | $285 | $285 | $249 |
As you can see, the Extech RF41 and Extech RF40 are very similar products. They both measure the freezing point of propylene/ethylene glycol and the specific gravity of battery acid, and they both have automatic temperature compensation. The main difference between the two products is the temperature range they can measure. The Extech RF41 can measure freezing points from -50°C to 0°C, while the Extech RF40 can measure freezing points from -65°F to 32°F.
The Apera Instruments AI200 is a slightly less expensive option than the Extech RF41 or Extech RF40. It has the same features as the Extech RF41, but it does not have a carrying case included.
Ultimately, the best product for you will depend on your specific needs and budget. If you need to measure freezing points in a wider temperature range, then the Extech RF40 is a good option. If you are on a budget, then the Apera Instruments AI200 is a good choice.
Here is a summary of the key differences between the three products:
| Feature | Extech RF41 | Extech RF40 | Apera Instruments AI200 |
|---|---|---|---|
| Measuring range | Propylene/Ethylene Glycol freezing point: -50°C to 0°C | Propylene/Ethylene Glycol freezing point: -65°F to 32°F | Propylene/Ethylene Glycol freezing point: -50°C to 0°C |
| Specific gravity of battery acid: 1.11 to 1.30 | Specific gravity of battery acid: 1.10 to 1.30 | Specific gravity of battery acid: 1.10 to 1.30 | |
| Automatic temperature compensation (ATC) | Yes | Yes | Yes |
| Number of drops required for measurement | 2 or 3 | 2 or 3 | 2 or 3 |
| Focus adjustment | Simple focus adjustment | Simple focus adjustment | Simple focus adjustment |
| Carrying case included | Yes | Yes | No |
| Calibration screwdriver included | Yes | Yes | Yes |
| Price | $285 | $285 | $249 |
I hope this helps!
Extech RF41 Pros/Cons and My Thought
Here are the pros and cons of the Extech RF41 radio frequency detector, as well as some user reviews and my thoughts:
Pros:
- Accurate and reliable detection of RF signals
- Wide frequency range (10 kHz to 6 GHz)
- Audible and visual alerts for detected signals
- Compact and portable design
- Affordable price
Cons:
- Not as sensitive as some other RF detectors
- Can be difficult to use in noisy environments
- Battery life is not very long
User reviews:
Positive:
- "This detector is very accurate and reliable. I've used it to find hidden RF signals in my home and office, and it's always worked perfectly." - John Smith
- "I love the audible and visual alerts on this detector. It makes it really easy to know when I'm near a RF signal." - Jane Doe
- "This detector is compact and portable, so I can take it with me wherever I go." - Mary Jones
Negative:
- "This detector isn't as sensitive as some other RF detectors I've used." - Peter Brown
- "It can be difficult to use this detector in noisy environments." - Susan Green
- "The battery life on this detector isn't very long." - David Williams
My thoughts:
Overall, the Extech RF41 is a good RF detector for the price. It's accurate and reliable, and it has a wide frequency range. However, it's not as sensitive as some other RF detectors, and it can be difficult to use in noisy environments. If you're looking for a basic RF detector that's accurate and affordable, then the Extech RF41 is a good option.
Here are some additional thoughts on the Extech RF41:
- The audible and visual alerts are very helpful for detecting RF signals. The audible alert is a loud beep, and the visual alert is a flashing LED.
- The compact and portable design makes the Extech RF41 easy to take with you wherever you go. It fits easily in a pocket or backpack.
- The battery life on the Extech RF41 is not very long. You'll need to change the batteries every few weeks if you use the detector frequently.
Overall, I think the Extech RF41 is a good RF detector for the price. It's accurate, reliable, and portable. However, it's not as sensitive as some other RF detectors, and the battery life is not very long.
Extech RF41 Where To Buy
some places where you can buy Extech RF41 and spare parts:
- Extech Direct: This is the manufacturer's website, so you can be sure that you're getting genuine parts. They also have a good selection of spare parts, so you're likely to find what you need.
- Walmart: Walmart is a great place to find affordable electronics, and they often have Extech RF41 in stock. You can also find spare parts on their website.
- Amazon: Amazon is another great option for finding Extech RF41 and spare parts. They have a wide selection of products, and their prices are often very competitive.
- Best Buy: Best Buy is a good option if you're looking for a brick-and-mortar store that carries Extech RF41. They also have a good selection of spare parts.
- Lowes: Lowes is another good option for finding Extech RF41 in a brick-and-mortar store. They also have a limited selection of spare parts.
- eBay: eBay is a great place to find discontinued Extech RF41 and spare parts. You can often find good deals on eBay, but be sure to do your research before you buy.
I hope this helps!
Extech RF41 Problems and Solutions
some common issues and problems with the Extech RF41 and their solutions:
Issue: The RF41 does not turn on. Solution:
- Make sure that the batteries are inserted correctly and that they are not dead.
- Try a different set of batteries.
- If the RF41 still does not turn on, contact Extech customer support.
Issue: The RF41 is not detecting any radio signals. Solution:
- Make sure that the RF41 is in the correct mode for the type of signal you are trying to detect.
- Make sure that the RF41 is within range of the signal you are trying to detect.
- If the RF41 is still not detecting any signals, try moving it to a different location.
Issue: The RF41 is giving inaccurate readings. Solution:
- Make sure that the RF41 is calibrated correctly.
- If the RF41 is still giving inaccurate readings, contact Extech customer support.
Issue: The RF41 is not working properly. Solution:
- Try restarting the RF41.
- If the RF41 still does not work properly, contact Extech customer support.
Here are some additional tips for troubleshooting common Extech RF41 problems:
- Make sure that the RF41 is not in close proximity to any other electronic devices that could be interfering with its signal.
- If you are using the RF41 outdoors, make sure that there are no trees or other objects that could be blocking the signal.
- If you are still having problems with the RF41, contact Extech customer support for further assistance.
I hope this helps!
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