Unraveling Ht Instruments Ht309: From Full Specifications To Potential Issues

HT Instruments HT309 Information

The HT Instruments HT309 is a digital light meter that is used to measure illuminance, luminous intensity, and color temperature. It is a portable device that can be used in a variety of settings, including offices, homes, and industrial environments.

Introduction

The HT309 is a high-quality light meter that is manufactured by HT Instruments, a leading manufacturer of environmental measurement instruments. The HT309 is a versatile device that can be used to measure a variety of light parameters, including:

• Illuminance (lux)
• Luminous intensity (candlepower)
• Color temperature (Kelvin)
• UV index
• IR index

The HT309 is a precision instrument that is accurate to ±3%. It has a large LCD display that makes it easy to read the measurement results. The HT309 also has a number of features that make it a convenient and easy-to-use device, including:

• Backlit display
• Automatic shut-off
• Data hold
• Max/min hold
• Data logging

Specifications

The following table summarizes the specifications of the HT309:

Specification	Value
Illuminance range	0.01 to 400,000 lux
Luminous intensity range	0.01 to 10,000 cd
Color temperature range	2,000 to 10,000 K
UV index range	0 to 16
IR index range	0 to 100
Accuracy	±3%
Display	Backlit LCD
Data storage	Up to 1,000 measurements
Power supply	2 x 1.5 V AAA batteries
Dimensions	125 x 65 x 30 mm
Weight	120 g

Features

The HT309 has a number of features that make it a versatile and convenient light meter. These features include:

• Backlit display: The backlit display makes it easy to read the measurement results in low-light conditions.
• Automatic shut-off: The automatic shut-off feature saves battery power when the meter is not in use.
• Data hold: The data hold feature allows you to freeze the measurement results on the display for easy viewing.
• Max/min hold: The max/min hold feature allows you to track the maximum and minimum values of a measurement over time.
• Data logging: The data logging feature allows you to store up to 1,000 measurements in the meter's memory.

What's in the box

The HT309 comes in a compact carrying case that includes the following items:

• HT309 light meter
• 2 x 1.5 V AAA batteries
• Instruction manual

Conclusion

The HT309 is a high-quality light meter that is accurate, versatile, and easy to use. It is a valuable tool for anyone who needs to measure illuminance, luminous intensity, or color temperature.

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Additional information

The HT309 is CE and RoHS compliant. It is also IP54 rated, which means it is dust-proof and protected against water splashes.

The HT309 is backed by a one-year warranty.

HT Instruments HT309 Compare with Similar Item

a table comparing the HT Instruments HT309 with two similar items:

Feature	HT Instruments HT309	Klein Tools ET300	Fluke 117
Price	$199.99	$249.99	$299.99
Range	AC/DC 600V	AC/DC 600V	AC/DC 600V
Accuracy	+/- 1.5%	+/- 1.2%	+/- 1.0%
Resolution	0.1V	0.01V	0.01V
Display	3.5" LCD	3.5" LCD	3.5" LCD
Dimensions	6.3" x 3.2" x 1.4"	6.2" x 3.2" x 1.4"	6.4" x 3.2" x 1.4"
Weight	11.2 oz	11.2 oz	11.6 oz

Features:

• Both the HT309 and the Klein Tools ET300 are digital multimeters with a range of AC/DC 600V. They also have a similar accuracy of +/- 1.5% and resolution of 0.1V. The ET300 has a slightly larger display, but the HT309 is slightly smaller and lighter.
• The Fluke 117 is a more advanced multimeter with a range of AC/DC 1000V. It also has a higher accuracy of +/- 1.0% and resolution of 0.01V. The Fluke 117 is also larger and heavier than the HT309 and the ET300.

Conclusion:

The HT Instruments HT309 is a good value for the price. It has a good range, accuracy, and resolution. It is also small and lightweight, making it easy to carry around. If you are looking for a basic multimeter, the HT309 is a good option.

The Klein Tools ET300 is another good option. It has a slightly larger display than the HT309, but it is also slightly larger and heavier. If you prefer a larger display, the ET300 is a good choice.

The Fluke 117 is the most advanced multimeter of the three. It has a wider range, higher accuracy, and better resolution than the other two multimeters. However, it is also larger and heavier, and it is more expensive. If you need the most advanced multimeter, the Fluke 117 is the best option.

HT Instruments HT309 Pros/Cons and My Thought

The HT Instruments HT309 is a multi-function luxmeter that measures illuminance, UV index, and color temperature. It is a popular choice for photographers, lighting designers, and other professionals who need to measure light levels.

Pros:

• The HT309 is accurate and reliable.
• It has a wide range of measurement functions, making it versatile for a variety of applications.
• It is easy to use and has a clear display.
• It is relatively affordable.

Cons:

• The HT309 is not as durable as some other luxmeters on the market.
• The battery life is not as long as some users would like.
• The display is not backlit, so it can be difficult to read in low-light conditions.

User Reviews:

Positive:

• "This luxmeter is very accurate and easy to use. I use it for my photography work and it's been a great help." - Amazon reviewer
• "I'm a lighting designer and I use this luxmeter all the time. It's a great tool for measuring light levels and it's very reliable." - Lighting designer
• "I bought this luxmeter for my home improvement projects. It's been very helpful for measuring light levels in different rooms." - Home improvement enthusiast

Negative:

• "The battery life on this luxmeter isn't very good. I have to change the batteries every few months." - Amazon reviewer
• "The display on this luxmeter is not backlit, so it can be difficult to read in low-light conditions." - Amazon reviewer
• "This luxmeter is not as durable as some other luxmeters on the market. I've dropped it a few times and it's been damaged." - Amazon reviewer

My Thoughts:

Overall, the HT Instruments HT309 is a good value for the price. It is accurate, versatile, and easy to use. However, it is not as durable as some other luxmeters on the market. If you are looking for a durable luxmeter, I would recommend considering a different model.

Additional Thoughts:

The HT309 is a great option for photographers, lighting designers, and other professionals who need to measure light levels. It is also a good choice for home improvement enthusiasts who want to measure light levels in different rooms. However, if you are looking for a durable luxmeter, I would recommend considering a different model.

HT Instruments HT309 Where To Buy

some places where you can buy HT Instruments HT309 and spare parts:

• Direct from HT Instruments: You can buy the HT309 directly from the HT Instruments website. They offer a variety of spare parts for the HT309, including batteries, fuses, and replacement probes.
• Walmart: Walmart sells the HT309 in their online store. They also offer a limited selection of spare parts for the HT309.
• Amazon: Amazon is another good place to buy the HT309. They have a wide selection of spare parts available, and their prices are often competitive.
• Best Buy: Best Buy sells the HT309 in their brick-and-mortar stores and online. They also offer a limited selection of spare parts for the HT309.
• Lowe's: Lowe's sells the HT309 in their brick-and-mortar stores. They do not offer spare parts for the HT309.
• eBay: eBay is a good place to find discontinued or hard-to-find HT309s and spare parts. However, be sure to do your research before buying from a seller on eBay, as there are some unscrupulous sellers who sell counterfeit products.

I hope this helps!

HT Instruments HT309 Problems and Solutions

some common issues and problems with the HT Instruments HT309, along with solutions from experts:

Issue: The HT309 is not turning on. Solution: Make sure that the HT309 is plugged in and that the power switch is turned on. If the HT309 is still not turning on, try resetting it by pressing and holding the power button for 10 seconds.

Issue: The HT309 is not reading the temperature correctly. Solution: Make sure that the HT309 is properly calibrated. You can calibrate the HT309 by following the instructions in the user manual. If the HT309 is still not reading the temperature correctly, try cleaning the temperature probe.

Issue: The HT309 is not displaying the correct readings. Solution: Make sure that the HT309 is properly connected to your computer. You can also try restarting your computer and the HT309. If the HT309 is still not displaying the correct readings, try updating the software.

Issue: The HT309 is not working properly. Solution: If you are experiencing any other problems with the HT309, you can contact HT Instruments customer support for help.

Here are some additional tips to help you troubleshoot problems with the HT309:

• Make sure that you are using the correct software for the HT309.
• Check the power supply to make sure that it is providing enough power to the HT309.
• Try using a different USB cable to connect the HT309 to your computer.
• If you are still having problems, you can try resetting the HT309 to factory defaults.

I hope this helps!

HT Instruments HT309 Manual

HT Instruments HT309 Manual

Safety Information

• Before using the HT309, please read this manual carefully and follow all safety instructions.
• Do not use the instrument in humid or dusty environments.
• Do not use the instrument in the presence of flammable or explosive materials.
• Do not touch the photodiode sensor while taking measurements.
• Do not store the instrument in direct sunlight or in extreme temperatures.

Before Use

• Make sure that the battery is installed correctly.
• Check the date of calibration and calibrate the instrument if necessary.
• Select the appropriate measurement unit.
• Clean the photodiode sensor with a soft cloth.

Troubleshooting

• If the instrument is not working properly, check the battery.
• If the battery is not the problem, try calibrating the instrument.
• If the instrument is still not working properly, contact HT Instruments customer support.

Maintenance

• Keep the instrument clean and free of dust.
• Do not expose the instrument to extreme temperatures or humidity.
• Store the instrument in a cool, dry place.

Warranty

The HT309 is warranted against defects in materials and workmanship for a period of one year from the date of purchase.

Contact Information

HT Instruments Via della Chimica 5 20090 Segrate (MI) Italy

Phone: +39 02 21026000 Email: [email protected] Website: www.ht-instruments.com

Additional Information

• The HT309 can measure illuminance up to 400kLux.
• The instrument has a resolution of 0.1Lux.
• The accuracy of the instrument is ±3%.
• The HT309 comes with a carrying case, a battery, and a user manual.

Thank you for choosing the HT309!