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Description
DUOYI DY519 Digital Manifold Gauge Air Conditioning Fluoride Meter, DY5191. Product functions: vacuuming refrigerant filling pressure maintenance and pressure measurement 2. Pressure test, simultaneous display of evaporation or condensation temperature readings 3. Pressure leak test, which can measure the initial pressure, real time pressure, and pressure difference measured at the set test time 4. Vacuum operation, simultaneous display of vacuum degree and pressure readings 5. Built in common refrigerant curves Parameters
1. Product functions: vacuuming/refrigerant filling/pressure maintenance and pressure measurement2. Pressure test, simultaneous display of evaporation or condensation temperature readings
3. Pressure leak test, which can measure the initial pressure, real-time pressure, and pressure difference measured at the set test time
4. Vacuum operation, simultaneous display of vacuum degree and pressure readings
5. Built-in common refrigerant curves
Parameters
1. Applicable refrigerants include 24 mainstream refrigerants: R123, R1234yf, R134A, R14, R141B, R142B, R22, R23, R290, R32, R404A, R407C, R407F, R410A, R417A, R438A, R449A, R452A, R513A, R600, R454B, R454C
2. Pressure test unit: Kpa, MPa, Bar, inHg, Psi, Kgf/cm2
3. Pressure test resolution: 1Kpa
4. Pressure test range: 0-6000Kpa
5. Vacuum test range: -101Kpa - 0Kpa
6. Pressure test accuracy: +/-0.5% (full scale) + 5 digits
7. Pressure overload limit: 10000Kpa (10Mpa; 100Bar)
8. Dimensions: 135x70x40mm
9. Weight: 450g
Specification:
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4.8 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 4
Interesting book
Format: Paperback
I am not a lawyer, nor a writer, but rather a reader. I found the correlation of legal storytelling with sceenplay, literary narrative quite interesting. Legal trials are theater.
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Reviewed in the United States on March 20, 2014
★★★★★ 5
Highly recommended -- not just for lawyers!
Format: Paperback
I'm not a lawyer but a Classics professor looking for modern parallels to (and contrasts with) Cicero's persuasive strategies in Roman courts. This book was just what I was looking for: lucid, informative, smart, and as a bonus, well versed in narrative theory, which Meyer handles as an experienced teacher -- avoiding jargon and needless complication, illustrating the key ideas with well-known cinematic examples.
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Reviewed in the United States on April 20, 2017
★★★★★ 5
Super overview and commentary on the historiy and many iterations/amendments
Format: Hardcover
I purchased and carefully read Jeff Kosseff's "The Twenty-Six Words That Created the Internet." It is an illuminating and thorough account of all facets of the legislation including history, enactment, modifications and amendments etc. A complex subject to understand, Mr. Kosseff did an outstanding job of presenting the complicated history and details and understanding of why this is incredibly important leading up to the form that is now in use. Some reviewers complain about too much detail, but I disagree, it is very important to understand the detail. A difficult topic and a great job of presentation. I would like to have a time line e.g., something like a "herring bone" chart notating all of the critical stages of development up to the present ... from initial concepts to Section 230 rollout and the important changes / amendments in both substance and use of 230. I am now reading Koseff's latest book on a similar but different topic, "The United States of Anonymous" which deals with how the first amendment shaped the development of our online speech.
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Reviewed in the United States on March 16, 2023
★★★★★ 5
Entertaining, educational and provoking
Format: Hardcover
I really didn’t expect this level of enjoyment from reading a book about a serious law material. This book is entertaining almost like a thrilling mini series to me due to the author’s great storytelling. Vivid arguments in various courtrooms over decades, sad stories of victims, some hilarious cases (especially Smith), unjust and unfair cases, interesting judges, … I just enjoyed reading them over cover to cover.
It is definitely educational. I don't have any legal background and I hardly knew Section 230. After the joyful reading, I could learn history, importance and main issues of Section 230. I believe it is a must-read to many people including software engineers like me.
I couldn’t be comfortable when the author compared the amount of benefit of Section 230, which has promoted proliferation of US Internet business, to the amount of suffering of women, children, and unfairly defamed people. However, I believe the author, on purpose, provoked this discussion. Including his own sincere opinion, he introduced various discussions deeply in later chapters, which helped me to think a lot.
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Reviewed in the United States on February 12, 2021
★★★★★ 4
Interesting and clear
Format: Kindle
The book reviews the history of the law that protects interactive websites from prosecution due to defamation. The discussion is interesting and straightforward, but there are too many unimportant details in some places.
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Reviewed in the United States on November 2, 2022