Let’s Dive into Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB
The Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB is a cornerstone of analytical chemistry, a workhorse for determining the calorific value of various substances. This isn’t your fancy, automated, bells-and-whistles calorimeter; it’s a reliable, manually operated system perfect for educational settings or smaller labs that require precise but infrequent measurements. It’s a piece of equipment built by Parr Instrument, a company synonymous with quality and dependability in the calorimetry field.
My need arose from teaching a university-level thermodynamics course. We required a calorimeter that students could readily understand and operate, one that would provide accurate results without requiring extensive training on complex software. I needed a calorimeter that showcased the core principles of calorimetry without being overly complicated.
Upon unboxing, the Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB immediately impressed me with its robust construction. The double-walled jacket felt solid and well-insulated, giving me confidence in its ability to maintain a stable environment for accurate readings. It was heavier than I expected, a testament to the quality of the materials used.
Compared to more automated systems from companies like IKA or even newer Parr Instrument models with digital interfaces, the 1341EB stood out for its simplicity. I chose it specifically because of its manual operation; it allows students to directly observe the temperature changes and understand the calculations involved. The IKA models, while offering features like automatic bomb washing, felt too much like black boxes for our educational purposes.
My first impression was a blend of excitement and slight trepidation. I was excited about introducing students to a classic piece of laboratory equipment, but also aware of the responsibility that comes with handling a system involving high-pressure oxygen. With proper instruction, I knew this could be an excellent learning tool, and the simplicity of the design promised a relatively straightforward setup and operation.
Real-World Testing: Putting Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB to the Test
First Use Experience
My initial testing took place in the university’s analytical chemistry lab, a controlled environment perfect for calibrating and familiarizing myself with the Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB. The lab’s stable temperature and access to high-purity oxygen were crucial for ensuring accurate results during the calibration phase.
The first few tests were run using benzoic acid pellets, a standard reference material. Even in the slightly cooler lab environment, the calorimeter’s insulation performed admirably, minimizing heat loss during the combustion process. Setting up the bomb and performing the ignition was relatively straightforward, though it did require careful attention to detail to ensure a proper seal and prevent any oxygen leaks.
The initial learning curve involved mastering the thermometer readings and calculating the water equivalent of the calorimeter. There were a few minor issues initially, primarily related to ensuring a complete combustion of the benzoic acid. This was quickly resolved by optimizing the amount of oxygen used and ensuring the fuse wire was properly connected.
Extended Use & Reliability
After several weeks of consistent use, the Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB proved to be remarkably reliable. The initial setup time decreased significantly as I became more familiar with the procedure, and the accuracy of the measurements remained consistent.
Despite frequent use, the calorimeter showed minimal signs of wear and tear. The stainless steel bomb and jacket remained in excellent condition, and the insulation effectively maintained a stable temperature. The only maintenance required was occasional cleaning of the bomb and replacement of the fuse wire.
Compared to other calorimeters I’ve used in the past, the Parr Instrument model stands out for its simplicity and durability. It lacks the advanced features of newer, automated systems, but its robust construction and reliable performance make it an excellent choice for routine calorimetric measurements. Its simple operation and clear results outperform the “black box” feel of some digital calorimeters, which can make it difficult to grasp the underlying thermodynamics.
Breaking Down the Features of Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB
Specifications
- The Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB operates at 115 volts, making it compatible with standard electrical outlets in many labs. This eliminates the need for specialized power supplies or adapters.
- It comes with a Parr® 1108 oxygen bomb, a high-quality vessel designed to withstand the high pressures generated during combustion. The bomb’s robust construction ensures safety and reliability.
- The calorimeter’s molded double-wall construction provides effective insulation, minimizing heat loss and ensuring accurate temperature measurements. This is crucial for precise calorimetric determinations.
- It is supplied with oxygen filling connectors, a thermometer, a thermometer reading lens, 6 stainless steel combustion capsules, fuse wire, a bomb head support stand, a cover stand, and calorific standard benzoic acid pellets (vial of 10). These components offer everything needed to perform calorimetric measurements.
- The calorimeter requires a separate ignition unit (V1-VW-2901EB), which must be ordered independently. This ignition unit will provide the electrical spark necessary to ignite the sample within the oxygen bomb.
These specifications are critical for reliable performance. The voltage compatibility ensures easy integration into standard lab settings, while the high-quality oxygen bomb guarantees safe and accurate combustion. The effective insulation minimizes heat loss, contributing to more precise calorimetric measurements.
Performance & Functionality
The Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB excels at accurately determining the calorific value of various samples. Its manual operation provides a clear understanding of the calorimetric process.
Its main strength lies in its simplicity and reliability. The straightforward design makes it easy to set up, operate, and maintain, which is extremely helpful in educational settings.
The lack of automation is a trade-off. It increases setup time and necessitates meticulous observation and calculation. Still, this allows for a more hands-on learning experience.
This calorimeter meets and exceeds expectations for its intended use. It is a great, reliable, and affordable tool.
Design & Ergonomics
The Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB features a durable and functional design. The double-walled jacket provides excellent insulation.
The calorimeter’s weight, while substantial, is indicative of its robust construction and high-quality materials. The weight and design of the calorimeter offer good stability while in use.
The simple setup and straightforward operation allow users to rapidly learn how to use the calorimeter. There is a slight learning curve when using the manual calculation process, but is not very extensive.
Durability & Maintenance
The Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB is built to last. Its sturdy components and stainless steel bomb contribute to its longevity.
The calorimeter requires minimal maintenance beyond routine cleaning and occasional replacement of consumables like fuse wire. The ease of access to internal components facilitates simple repairs, if necessary.
Accessories and Customization Options
The Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB comes with essential accessories. These items are the oxygen filling connectors, a thermometer, a thermometer reading lens, 6 stainless steel combustion capsules, fuse wire, a bomb head support stand, a cover stand, and calorific standard benzoic acid pellets.
While there aren’t extensive customization options, users can optimize the calorimeter by selecting specific thermometers with higher resolution or utilizing different combustion capsules depending on the sample being tested.
The compatibility with standard oxygen tanks and regulators makes sourcing supplies simple. The calorimeter is made to be user-friendly, and its basic functions provide value.
Pros and Cons of Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB
Pros
- Exceptional Durability: Built with high-quality materials for long-lasting performance.
- Educational Value: Manual operation allows for a clear understanding of calorimetric principles.
- Accurate Measurements: Provides reliable results with proper calibration and technique.
- Simple Operation: Easy to set up and use, even for beginners.
- Complete Package: Comes with all necessary accessories (except the ignition unit).
Cons
- Manual Operation: Requires more user input and time compared to automated systems.
- Separate Ignition Unit: The required ignition unit (V1-VW-2901EB) must be purchased separately.
- Thermometer Reading: Requires practice and a steady hand, potentially introducing minor errors.
Who Should Buy Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB?
The Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB is perfect for educational institutions, small laboratories, and researchers requiring accurate and reliable calorimetric measurements on a limited budget. It is ideal for teaching thermodynamics, chemistry, and related subjects.
Those seeking high-throughput analysis or automated data logging should skip this product. They should invest in a more advanced, automated calorimeter.
A must-have accessory is a high-quality oxygen regulator to ensure precise control of oxygen flow. It will improve safety and accuracy.
Conclusion on Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB
The Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB is a dependable and accurate tool. It’s also a solid educational instrument in the realm of calorimetry.
While the price of $21,799.00 might seem steep, the value proposition lies in its durability, accuracy, and educational benefits. It is a long-term investment that will provide reliable results for years to come.
I would definitely recommend it to anyone seeking a robust and reliable calorimeter for educational or small-scale laboratory use. Its simplicity and accuracy make it an excellent choice for understanding the fundamental principles of calorimetry.
Consider adding the Parr Instrument Plain Jacket Oxygen Bomb Calorimeter 115V, 1341EB to your lab today! It’s a worthwhile investment in reliable, hands-on scientific education.