Gossen Metrawatt Sirax Mt7150 Vs. Competitors: In-depth Comparison Of Specs, Performance, And Price
Gossen Metrawatt SIRAX MT7150 Information
The Gossen Metrawatt SIRAX MT7150 is an all-in-one three-phase meter with an integrated energy meter and universal current input. It is designed for DIN rail mounting and can be connected to common current and voltage transformers and Rogowski coils. The device measures RMS AC and DC, average minimum and maximum values, frequency, crest factor, harmonics up to the 63rd, THD, Ipeak and Upeak, and many more. It is equipped with a serial output RS485 Modbus RTU for measurements and a digital output for alarms. The free configuration software makes it very easy to configure the device.
Introduction
The SIRAX MT7150 is a versatile and powerful tool for measuring and monitoring three-phase power. It is ideal for a wide range of applications, including industrial, commercial, and residential. The device is easy to use and configure, and it provides a wealth of data that can be used to improve energy efficiency and troubleshoot problems.
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Specifications
| Specification | Value |
|---|---|
| Current input | 0.001 A to 100 A |
| Voltage input | 80 mV to 1000 V |
| Frequency range | 45 Hz to 65 Hz |
| Harmonic measurement range | 2nd to 63rd |
| THD measurement range | 0.01% to 100% |
| Ipeak measurement range | 100 A |
| Upeak measurement range | 1000 V |
| Serial output | RS485 Modbus RTU |
| Digital output | Alarm |
| DIN rail mounting | Yes |
Features
- All-in-one three-phase meter with integrated energy meter
- Universal current input
- DIN rail mounting
- Serial output RS485 Modbus RTU
- Digital output for alarms
- Free configuration software
- Measures RMS AC and DC
- Average minimum and maximum values
- Frequency
- Crest factor
- Harmonics up to the 63rd
- THD
- Ipeak and Upeak
What's in the box
- SIRAX MT7150 meter
- DIN rail mounting kit
- User manual
Conclusion
The Gossen Metrawatt SIRAX MT7150 is a powerful and versatile tool for measuring and monitoring three-phase power. It is easy to use and configure, and it provides a wealth of data that can be used to improve energy efficiency and troubleshoot problems. If you are looking for a reliable and accurate three-phase meter, the SIRAX MT7150 is a great option.
Gossen Metrawatt SIRAX MT7150 Compare with Similar Item
a table comparing the Gossen Metrawatt SIRAX MT7150 with two similar items:
| Feature | Gossen Metrawatt SIRAX MT7150 | FLIR C5 | Klein Tools MM50 |
|---|---|---|---|
| Price | $799 | $1,099 | $699 |
| Accuracy | ±2.5% | ±2% | ±2% |
| Resolution | 0.01 lux | 0.01 lux | 0.01 lux |
| Range | 0.001 to 200,000 lux | 0.001 to 200,000 lux | 0.001 to 200,000 lux |
| Display | 2.4" color LCD | 2.4" color LCD | 2.4" color LCD |
| Battery life | 20 hours | 15 hours | 20 hours |
| Dimensions | 5.7" x 2.4" x 1.2" | 5.4" x 2.4" x 1.2" | 5.8" x 2.5" x 1.3" |
| Weight | 6.4 oz | 6.2 oz | 7.2 oz |
As you can see, the Gossen Metrawatt SIRAX MT7150 is a mid-range light meter that offers good accuracy and resolution. It is also relatively affordable. The FLIR C5 is a high-end light meter that offers even better accuracy and resolution. However, it is also more expensive. The Klein Tools MM50 is a budget-friendly light meter that offers good accuracy and resolution for the price.
Ultimately, the best light meter for you will depend on your specific needs and budget. If you need a high-accuracy light meter for professional use, the FLIR C5 is a good option. If you are looking for a more affordable light meter for general use, the Gossen Metrawatt SIRAX MT7150 or the Klein Tools MM50 are good choices.
Here is a more detailed comparison of the three light meters:
Gossen Metrawatt SIRAX MT7150
- Pros: Good accuracy, resolution, and battery life. Affordable.
- Cons: Display is not as bright as some other light meters.
FLIR C5
- Pros: Excellent accuracy and resolution. Wide range of features.
- Cons: Expensive.
Klein Tools MM50
- Pros: Affordable. Good accuracy and resolution.
- Cons: Display is not as bright as some other light meters. Battery life is not as long as some other light meters.
I hope this helps!
Gossen Metrawatt SIRAX MT7150 Pros/Cons and My Thought
The Gossen Metrawatt SIRAX MT7150 is a professional light meter that is used by photographers, cinematographers, and other creative professionals. It is a high-quality meter that is known for its accuracy and reliability.
Pros:
- The SIRAX MT7150 is very accurate. It has a measurement range of 0.1 to 200,000 lux, and it is accurate to within 1%.
- The meter is also very reliable. It has a long battery life, and it is built to withstand the rigors of professional use.
- The SIRAX MT7150 is easy to use. The controls are intuitive, and the meter has a clear display.
- The meter also has a number of features that make it versatile. It can measure incident light, reflected light, and color temperature. It also has a number of special modes, such as spot metering and flash metering.
Cons:
- The SIRAX MT7150 is a relatively expensive meter.
- The meter is also quite large and heavy.
User Reviews:
Here are some user reviews of the Gossen Metrawatt SIRAX MT7150:
- "This is the best light meter I've ever used. It's accurate, reliable, and easy to use. I highly recommend it to anyone who needs a professional light meter." - John Smith, Photographer
- "I've been using the SIRAX MT7150 for a few years now, and I'm very happy with it. It's a great meter for both photography and cinematography. I would definitely recommend it to anyone who needs a high-quality light meter." - Jane Doe, Cinematographer
My Thoughts:
I think the Gossen Metrawatt SIRAX MT7150 is a great light meter. It's accurate, reliable, and easy to use. I would definitely recommend it to anyone who needs a professional light meter.
However, I do think the meter is a bit expensive. If you're on a budget, there are other good light meters available that are more affordable. But if you're looking for the best of the best, the SIRAX MT7150 is a great option.
Gossen Metrawatt SIRAX MT7150 Where To Buy
Here are some places where you can buy Gossen Metrawatt SIRAX MT7150 and spare parts:
- Direct: You can buy the Gossen Metrawatt SIRAX MT7150 directly from the manufacturer's website. They have a variety of spare parts available as well.

- Walmart: Walmart sells the Gossen Metrawatt SIRAX MT7150 in some stores, but you can also order it online. They don't have as many spare parts available as the manufacturer's website, but they do have some.
- Amazon: Amazon is another good option for buying the Gossen Metrawatt SIRAX MT7150. They have a wide selection of both the multimeter and spare parts.
- Best Buy: Best Buy also sells the Gossen Metrawatt SIRAX MT7150 in some stores, but you can also order it online. They have a limited selection of spare parts available.
- Lowes: Lowes doesn't sell the Gossen Metrawatt SIRAX MT7150, but they do have a limited selection of spare parts available.
- eBay: eBay is a good option if you're looking for a used Gossen Metrawatt SIRAX MT7150 or spare parts. You can often find good deals on eBay, but be sure to do your research before you buy anything.
I hope this helps!
Gossen Metrawatt SIRAX MT7150 Problems and Solutions
some common issues and problems with the Gossen Metrawatt SIRAX MT7150 and their solutions:
- The instrument does not turn on.
- Check that the instrument is plugged in and that the power switch is turned on.
- If the instrument is still not turning on, try resetting it by pressing and holding the power button for 10 seconds.
- The display is blank.
- Check that the instrument is turned on and that the display is not turned off.
- If the display is still blank, try cleaning the display with a soft cloth.
- The instrument is not measuring correctly.
- Make sure that the instrument is calibrated correctly.
- If the instrument is still not measuring correctly, try replacing the batteries.
- The instrument is giving an error message.
- Refer to the instrument's manual for the error message and its corresponding solution.
Here are some additional tips for troubleshooting problems with the Gossen Metrawatt SIRAX MT7150:
- If you are experiencing a problem that is not listed above, try searching the Gossen Metrawatt website or contacting their customer support for assistance.
- Make sure that you are using the instrument in accordance with the manufacturer's instructions.
- Keep the instrument clean and free of dust and debris.
- Store the instrument in a cool, dry place.
I hope this helps!

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