
( Brand: Coherent ), ( Manufacturer Part Number: 1070873 ), ( Part Type: Laser Meter )
The **Coherent FieldMax II Power Meter (Model 1070873)** is a high-performance, versatile laser power and energy measurement instrument designed for precision applications in research, industrial manufacturing, medical devices, and optical communications. Engineered with cutting-edge technology, this handheld power meter delivers unparalleled accuracy and reliability, making it an indispensable tool for professionals who demand consistency and efficiency in their work. Its robust construction ensures durability in demanding environments, whether in a controlled laboratory setting or on-site in harsh industrial conditions. The FieldMax II operates across a broad spectral range, from ultraviolet (UV) to near-infrared (NIR), accommodating a wide variety of laser wavelengths, including common industrial lasers such as diode-pumped solid-state (DPSS), fiber, and CO lasers. With an integrated, high-sensitivity detector, this power meter provides real-time measurements with exceptional sensitivity, capable of detecting power levels as low as femtowatts while maintaining accuracy up to kilowatts, making it suitable for both low-power research applications and high-power industrial processes.
One of the standout features of the FieldMax II is its intuitive and user-friendly interface, which combines a large, high-resolution display with an easy-to-navigate menu system. The device supports both manual and automated measurements, allowing users to quickly capture and log data with minimal effort. Its built-in data storage and USB connectivity enable seamless integration with computers for advanced analysis, reporting, and compliance documentation, which is particularly valuable in quality control and regulatory environments. The meter s modular design accommodates a variety of sensor heads, including the included **1070873-01** (a versatile, general-purpose sensor) as well as optional specialized sensors for specific applications, such as high-power CO lasers or fiber-coupled systems. This flexibility ensures that the FieldMax II can adapt to diverse measurement requirements without compromising performance.
Beyond its technical capabilities, the FieldMax II is designed with ergonomics and portability in mind. Its compact, lightweight form factor makes it easy to carry and deploy in field settings, while its rugged casing protects against dust, moisture, and minor drops, ensuring longevity in demanding environments. The device also features a built-in calibration check, allowing users to verify measurement accuracy over time without external calibration equipment, thereby reducing downtime and maintenance costs. Whether used for calibrating laser systems, monitoring beam quality in manufacturing, or conducting precise optical experiments, the Coherent FieldMax II Power Meter delivers a seamless blend of precision, versatility, and ease of use, making it a trusted choice for professionals who rely on accurate laser measurements to drive their work forward.
The **Coherent 1070873 FieldMax II Laser Power Meter** is a popular handheld device used for measuring laser power, energy, and wavelength in various applications, including industrial, scientific, and educational settings. Below is a detailed analysis of its pros and cons, followed by a conclusion and recommendation.
---
### **Pros of the Coherent 1070873 FieldMax II Laser Power Meter**
1. **Versatility and Broad Compatibility**
The FieldMax II supports a wide range of laser wavelengths, from ultraviolet (UV) to infrared (IR), making it suitable for diverse applications. It includes multiple sensors (e.g., 200 1100 nm, 1000 1700 nm, and 1700 2100 nm) that can be swapped as needed, allowing users to measure different laser types without needing separate meters.
2. **Handheld and Portable Design**
The compact and lightweight design makes it easy to carry and use in field settings, laboratories, or manufacturing environments. This portability is ideal for technicians who need to measure laser power on-site rather than in a controlled lab.
3. **User-Friendly Interface**
The device features a clear LCD display with intuitive controls, including a backlit screen for visibility in low-light conditions. It also supports Bluetooth connectivity, allowing data to be transferred wirelessly to a computer or mobile device for analysis or logging.
4. **Accuracy and Reliability**
Coherent is a well-established brand in laser technology, and the FieldMax II is known for its precision. It provides real-time measurements with low noise, making it reliable for critical applications where accuracy is essential.
5. **Multiple Measurement Modes**
The meter can measure laser power, energy, and wavelength, as well as beam diameter and divergence. This multi-functionality reduces the need for additional equipment, saving time and cost.
6. **Durability**
The FieldMax II is built to withstand rugged environments, with a sturdy construction that can endure drops, vibrations, and exposure to dust or moisture (to some extent). This makes it suitable for industrial use.
7. **Calibration and Support**
Coherent offers calibration services to ensure the meter remains accurate over time. Additionally, the device includes software tools for data analysis and calibration verification, which can be valuable for maintaining consistency in measurements.
8. **Compatibility with Software**
The meter integrates with Coherent s **LaserCheck** software, which allows for advanced data analysis, reporting, and calibration tracking. This is particularly useful for organizations that need to document compliance with industry standards.
9. **Cost-Effective for Many Users**
While it is not the cheapest laser power meter on the market, its versatility and durability often make it a cost-effective choice for professionals who require a single device to handle multiple laser types and applications.
10. **Long-Term Availability**
As a well-established product, the FieldMax II has been on the market for years, ensuring that replacement sensors and accessories remain readily available. This reduces the risk of obsolescence compared to newer, less proven devices.
---
### **Cons of the Coherent 1070873 FieldMax II Laser Power Meter**
1. **Higher Upfront Cost**
The FieldMax II is more expensive than basic laser power meters, particularly those designed for a single wavelength range. This can be a barrier for small businesses, students, or hobbyists with limited budgets.
2. **Sensor Replacement Costs**
While the meter supports multiple sensors, each sensor has a limited lifespan and must be replaced periodically. Coherent sensors can be costly, especially if multiple sensors are needed for different applications. Users may also need to purchase additional sensors to expand their measurement range.
3. **Learning Curve for Advanced Features**
While the basic functions are straightforward, mastering all the advanced features such as beam profiling, divergence measurement, and software integration may require training. This could be a drawback for users who only need simple power measurements.
4. **Limited Battery Life**
The FieldMax II relies on replaceable batteries (typically AA or AAA), which may need frequent replacement during extended use. While this is not unique to this model, it can be inconvenient in field applications where battery access is difficult.
5. **Size and Weight Compared to Smaller Meters**
Although it is portable, the FieldMax II is larger and heavier than some handheld meters designed specifically for single-wavelength use. This may not be ideal for users who prioritize minimalism or need to measure lasers in tight spaces.
6. **Software Dependency**
While the Bluetooth and software integration are useful, they also introduce potential points of failure. Users must ensure their devices are compatible with the software and that they have the technical knowledge to troubleshoot connectivity issues.
7. **No Built-In Wavelength Calibration**
The meter measures wavelength, but it does not perform calibration for wavelength accuracy. Users must rely on external calibration services or reference standards to ensure wavelength measurements are precise.
8. **Potential for Sensor Damage**
Laser sensors are sensitive to damage from high-power lasers or improper handling. Accidental exposure to powerful lasers can permanently damage the sensor, leading to costly replacements. Users must follow safety protocols to avoid this risk.
9. **Limited Customization**
Unlike some high-end lab meters, the FieldMax II offers limited customization for specific applications. Users cannot modify the meter s internal settings or add specialized features, which may restrict its use in highly specialized fields.
10. **Deprecation Risk**
While the FieldMax II is still widely used, Coherent has introduced newer models (e.g., the **FieldMax II-C** or **PowerMax** series) with additional features. Over time, some users may find that the older model lacks certain functionalities offered by newer iterations, though it remains a robust choice for many applications.
---
### **Conclusion**
The **Coherent 1070873 FieldMax II Laser Power Meter** is a highly capable, versatile, and reliable tool for professionals who require a single device to measure a wide range of laser parameters. Its strengths lie in its broad wavelength support, portability, accuracy, and durability, making it ideal for industrial, laboratory, and field applications where flexibility is key. The device s ability to integrate with software and its robust construction further enhance its utility for users who need to document measurements and ensure compliance with standards.
However, the higher upfront cost, potential sensor replacement expenses, and occasional complexity in advanced features may deter budget-conscious users or those with very specific needs. Additionally, the reliance on replaceable sensors and the need for proper handling to avoid damage are practical considerations that users must account for.
For users who prioritize versatility, accuracy, and long-term reliability without needing cutting-edge features, the FieldMax II remains an excellent choice. It is particularly well-suited for:
- **Industrial technicians** who work with multiple laser types.
- **Researchers and scientists** in laboratories requiring precise measurements.
- **Quality assurance professionals** who need to verify laser performance across different applications.
- **Educational institutions** teaching laser physics or optics, where a single meter can cover various experiments.
If budget is a major concern or if the user only requires measurements for a single, narrow wavelength range, a more specialized or lower-cost meter might be preferable. Conversely, for those who need a durable, all-in-one solution with minimal downtime for sensor changes, the FieldMax II is a strong recommendation.
### **Final Recommendation**
**Buy the Coherent 1070873 FieldMax II Laser Power Meter if:**- You work with a variety of laser wavelengths and need a single, portable device.
- You require real-time power, energy, and wavelength measurements in field or lab settings.
- You value durability, accuracy, and compatibility with software for data logging and analysis.
- You are willing to invest in a high-quality meter that will serve you for years with proper sensor maintenance.
**Consider alternatives if:**- Your budget is tight, and you only need measurements for a specific wavelength range (a simpler, lower-cost meter may suffice).
- You require advanced features not supported by the FieldMax II (e.g., ultra-high precision, automated beam profiling, or integration with specific lab software).
- You anticipate frequent use with very high-power lasers, which may risk damaging sensors (in this case, a meter with built-in protection or a different model may be safer).
Overall, the FieldMax II is a **highly recommended purchase** for professionals who need a versatile, reliable, and field-proven laser power meter. Its combination of functionality, durability, and ease of use makes it a standout choice in its category.
UPS Next day Air shipping available. Free Shipping in the USA ONLY.