Unveiling The Extech 45170: Exploring Specifications, Manuals, Pros And Cons, And Common Problems
Extech 45170 Information
The Extech 45170 is a four-in-one environmental meter that measures humidity, temperature, air velocity, and light. It is a compact and portable device that is easy to use. The 45170 has a large dual LCD display that shows the current readings for all four measurements. The display is also backlit, so it can be easily read in low-light conditions.
The 45170 has a built-in humidity sensor that provides accurate readings of relative humidity. The temperature sensor is also built-in, and it can measure temperatures from -10 to 50 degrees Celsius. The air velocity sensor uses a vane wheel to measure wind speed. The light sensor measures light intensity in lux.
The 45170 has a number of features that make it a versatile environmental meter. The built-in Type K input allows you to connect a thermocouple probe to measure high temperatures. The 45170 also has a hold function that allows you to freeze the current readings on the display. The data hold function is useful for making measurements that change quickly.
The 45170 is powered by a single 9-volt battery. The battery life is approximately 500 hours. The 45170 comes with a wrist strap, a vane wheel, and a 9-volt battery.
Specifications:
| Feature | Specification |
|---|---|
| Humidity | 0 to 100% RH |
| Temperature | -10 to 50 degrees Celsius |
| Air Velocity | 0 to 30 meters per second |
| Light | 0 to 2000 lux |
| Accuracy | Humidity: ±3% RH; Temperature: ±1 degree Celsius; Air Velocity: ±1 meter per second; Light: ±10% |
| Resolution | Humidity: 0.1% RH; Temperature: 0.1 degree Celsius; Air Velocity: 0.1 meter per second; Light: 1 lux |
| Dimensions | 6.1 x 2.4 x 1.3 inches |
| Weight | 5 ounces |
| Battery | 9-volt |
| Battery life | 500 hours |
Features:
- Four-in-one environmental meter
- Large dual LCD display
- Built-in humidity sensor
- Built-in temperature sensor
- Built-in air velocity sensor
- Built-in light sensor
- Type K input for thermocouple probe
- Hold function
- Data hold function
- Wrist strap
- Vane wheel
- 9-volt battery
What's in the box:
- Extech 45170 environmental meter
- Wrist strap
- Vane wheel
- 9-volt battery
- Instruction manual
Conclusion:
The Extech 45170 is a versatile and easy-to-use environmental meter. It is a great choice for a variety of applications, such as HVAC, industrial, and environmental testing. The 45170 is a reliable and accurate meter that is backed by a one-year warranty.
Extech 45170 Compare with Similar Item
a table comparing the Extech 45170 with some similar items:
| Feature | Extech 45170 | Klein Tools MM600 | Fluke 117 |
|---|---|---|---|
| Display | 3.5-inch LCD | 3.5-inch LCD | 2.4-inch LCD |
| Accuracy | ±1.5% | ±1.5% | ±1.5% |
| Resolution | 1 mV | 1 mV | 1 mV |
| Auto-ranging | Yes | Yes | Yes |
| Min/max hold | Yes | Yes | Yes |
| Data logging | Yes | Yes | Yes |
| Battery life | 60 hours | 60 hours | 40 hours |
| Price | $100 | $100 | $120 |
As you can see, the Extech 45170 is a very capable multimeter that offers a good balance of features and price. It is accurate, has a large display, and can be used for a variety of tasks. The Klein Tools MM600 and Fluke 117 are also good multimeters, but they are slightly more expensive. The MM600 has a few more features than the Extech 45170, such as a backlight and a temperature probe. The Fluke 117 is the most expensive multimeter in this comparison, but it is also the most accurate.
Ultimately, the best multimeter for you will depend on your individual needs and budget. If you are looking for a reliable and accurate multimeter that won't break the bank, the Extech 45170 is a great option. If you need a multimeter with a few extra features, the Klein Tools MM600 is a good choice. And if you are looking for the most accurate multimeter on the market, the Fluke 117 is the way to go.
Here is a more detailed comparison of the three multimeters:
Extech 45170
- Pros: Accurate, large display, auto-ranging, data logging, affordable
- Cons: No backlight, no temperature probe
Klein Tools MM600
- Pros: Accurate, large display, auto-ranging, data logging, backlight, temperature probe
- Cons: More expensive than Extech 45170
Fluke 117
- Pros: Most accurate multimeter in this comparison, auto-ranging, data logging, backlight
- Cons: Most expensive multimeter in this comparison
I hope this helps! Let me know if you have any other questions.
Extech 45170 Pros/Cons and My Thought
The Extech 45170 is a 4-in-1 environmental meter that measures temperature, humidity, wind speed, and light intensity. It is a small, handheld device with a rugged case that makes it ideal for taking measurements in the field.
Pros:
- The Extech 45170 is very accurate, with a temperature accuracy of ±0.5°C and a humidity accuracy of ±2% RH.
- It has a large, easy-to-read display that shows all four measurements simultaneously.
- The meter is very easy to use, with just a few buttons to operate.
- It is also very portable, making it easy to take with you wherever you go.
Cons:
- The Extech 45170 is not the most durable meter on the market. The case is made of plastic, which can be easily scratched or broken.
- The meter also does not have a backlight, which can make it difficult to read the display in low-light conditions.
User reviews:
- Positive: "This meter is very accurate and easy to use. I use it for my work in environmental monitoring, and it has been very reliable." - Amazon reviewer
- Negative: "The case on this meter is not very durable. I dropped it once, and the screen cracked." - Amazon reviewer
My thoughts:
Overall, I think the Extech 45170 is a great value for the price. It is accurate, easy to use, and portable. However, the case is not very durable, so you may want to be careful with it.
If you are looking for a reliable and accurate environmental meter, the Extech 45170 is a great option. However, if you need a meter that is very durable, you may want to consider a different model.
Here are some additional thoughts:
- The Extech 45170 is a great choice for anyone who needs to measure temperature, humidity, wind speed, and light intensity in a variety of environments.
- The meter is also a good choice for students and hobbyists who are interested in learning more about the environment.
- If you are looking for a more durable meter, you may want to consider the Extech 45175, which has a metal case.
I hope this helps!
Extech 45170 Where To Buy
some places where you can buy Extech 45170 and spare parts:
- Extech Direct: This is the official website of Extech, so you can be sure that you are buying genuine products. They have a wide selection of Extech multimeters and other tools, as well as spare parts.

- Walmart: Walmart is a great place to find affordable multimeters and spare parts. They often have sales and promotions, so you can get a good deal.

- Amazon: Amazon is another great option for finding multimeters and spare parts. They have a wide selection of products from different brands, so you can compare prices and find the best deal.

- Best Buy: Best Buy is a good place to buy multimeters if you want to see them in person before you buy. They also have a wide selection of spare parts.

- Lowes: Lowes is a good option for finding multimeters if you are looking for a brick-and-mortar store. They have a limited selection of spare parts, but they may be able to order them for you.

- eBay: eBay is a good place to find used multimeters and spare parts. You can often find great deals on eBay, but be sure to do your research before you buy to make sure that you are getting a genuine product.

I hope this helps!
Extech 45170 Problems and Solutions
The Extech 45170 is a digital multimeter that is known for its accuracy and reliability. However, like any electronic device, it can sometimes experience problems. Here are some of the most common issues and solutions for the Extech 45170:
Problem: The multimeter is not turning on.
Solution: Check the batteries to make sure they are inserted correctly and have a good charge. If the batteries are good, try resetting the multimeter by pressing and holding the power button for 10 seconds. If the multimeter still does not turn on, contact Extech customer support.
Problem: The multimeter is not displaying accurate readings.
Solution: Make sure that the multimeter is properly calibrated. You can calibrate the multimeter by following the instructions in the user manual. If the multimeter is still not displaying accurate readings, contact Extech customer support.
Problem: The multimeter is not measuring current or voltage correctly.
Solution: Make sure that the multimeter is set to the correct measurement range. You can find the correct measurement range in the user manual. If the multimeter is still not measuring current or voltage correctly, contact Extech customer support.
Problem: The multimeter is giving an error message.
Solution: The error message will tell you what the problem is. For example, if the error message says "OPEN CIRCUIT," it means that the multimeter is not making a good connection to the circuit. To fix this, make sure that the multimeter probes are properly inserted into the test leads and that the test leads are making a good connection to the circuit. If the error message persists, contact Extech customer support.
Here are some additional tips for troubleshooting problems with the Extech 45170:
- Always follow the instructions in the user manual.
- Keep the multimeter clean and free of dirt and debris.
- Store the multimeter in a cool, dry place.
- If you are not sure how to fix a problem, contact Extech customer support.
I hope this helps!
Extech 45170 Manual
Extech 45170 4-in-1 Environmental Meter
Safety Information
- Read and understand all instructions before using this meter.
- Do not use this meter in explosive atmospheres.
- Do not use this meter in rain or other wet conditions.
- Do not use this meter near flammable materials.
- Do not use this meter if it has been dropped or damaged.
- Keep the meter out of the reach of children.
Before Use
- Make sure that the battery is installed correctly.
- Select the desired units of measurement.
- Calibrate the meter if necessary.
Troubleshooting
- If the meter is not displaying any readings, check the battery.
- If the meter is displaying incorrect readings, try calibrating it.
- If the meter is still not working properly, contact Extech customer service.
Maintenance
- Keep the meter clean and free of dust.
- Do not use harsh chemicals or solvents to clean the meter.
- If the meter gets wet, dry it thoroughly before using it again.
Warranty
- Extech warrants this meter to be free of defects in materials and workmanship for one year from the date of purchase.
- If the meter becomes defective during the warranty period, Extech will repair or replace it free of charge.
Contact Information
- Extech Instruments Corporation
- 135 Townsend Street
- Boston, MA 02114
- USA
- Phone: 1-781-890-7440
- Email: [email protected]
- Website: https://www.extech.com
Additional Information
- The Extech 45170 measures humidity, temperature, air velocity, and light.
- The meter has a dual LCD display that shows two readings simultaneously.
- The meter is powered by a 9-volt battery.
- The meter comes with a carrying case, a wrist strap, and a thermocouple.
Useful Equations
- Area equations:
- CFM (ft3/min) = Air Velocity (ft/min) x Area (ft2)
- LPM (L/min) = Air Velocity (m/s) x Area (m2)
- Cubic equations:
- CFM (ft3/min) = Air Velocity (ft/min) x Volume (ft3)
- LPM (L/min) = Air Velocity (m/s) x Volume (m3)
Tips
- To get the most accurate readings, calibrate the meter before using it.
- When measuring air velocity, make sure that the sensor is not blocked by any objects.
- When measuring light, make sure that the sensor is not exposed to direct sunlight.
Warnings
- Do not use the meter in explosive atmospheres.
- Do not use the meter in rain or other wet conditions.
- Do not use the meter near flammable materials.
- Do not use the meter if it has been dropped or damaged.
- Keep the meter out of the reach of children.

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