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Description
P739 - Deuterium LampDownload Product Datasheet Instrument Thermo Fisher, Solar 929 Electrical Filament Heater Voltage Start 2. 5 3. 0 VDC Operating 1. 5 2. 0 Filament Heater Current 4. 5A Max Discharge Arc Voltage Strike @25C >350 VDC Operating 60 90 VDC Discharge Arc Current 10 300mA Leads Black Filament & Cathode Red Anode Green Can Terminals 4 Way Housing Optical Window material UV Transmitting Borosilicate Source aperture 1mm Diameter Wavelength range 185nm 400nm
Download Product DatasheetInstrument
Thermo-Fisher, Solar 929
Electrical
| Filament / Heater Voltage | Start | 2.5 - 3.0 VDC |
|---|---|---|
| Operating | 1.5 - 2.0 | |
| Filament / Heater Current | 4.5A Max | |
| Discharge / Arc Voltage | Strike | @25°C >350 VDC |
| Operating | 60 - 90 VDC | |
| Discharge / Arc Current | 10 -300mA | |
| Leads | Black | Filament & Cathode |
| Red | Anode | |
| Green | Can | |
| Terminals | 4 Way Housing | |
Optical
| Window material | UV Transmitting Borosilicate |
|---|---|
| Source aperture | ø 1mm Diameter |
| Wavelength range | 185nm - 400nm |
| Noise | <1 x 10-4 Absorption units |
| Drift | < 3 x 10-3 Absorption units |
Operational Life
When radiant energy reaches 50% of the initial energy at 300mA(dc).
Warranty:
- Do not subject the lamp to mechanical shock.
- Before using the lamp, ensure glass envelope is clean and free from dirt. Envelope may be gently wiped with either alcohol or acetone.
Caution: the circumference of the glass envelope around the light box is very thin and should be handled with extreme care. - Care must be taken not to touch lamp body with bare hand, as it's temperature reaches over 200°C during operation.
- UV radiation is harmful to eyes. Suitable eye protection must be worn when observing light output.
- Since this lamp operates at high voltages, extreme caution is require to prevent electrical shock.
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4.1 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Fae Courts with High Intrigue
Format: Kindle
This book is one that just builds and builds and then surprises you to no end. You may think you know the villains and then you are jolted in another direction. Princess Reyna is a real gem, strong of character, a fierce fighter, and loyal to her family and kingdom. Just when you think she and Lorcan, well you know, the plot is flipped. Can't wait to see where this goes in book two.
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Reviewed in the United States on July 7, 2023
★★★★★ 4
Slow, sorry but good
Format: Kindle
This was a slow moving book. Lots of character pov chapters, lots of superfluous descriptions and endless courtly appearances stalled this book to start. Once you get into the heart of the story, it takes off. Before you know it the book is done. My favorite character is Reyna. She is so strong. She is true to herself. She gets into a lot of trouble with her headstrong ways but it's entertaining. I have high hopes for Lorcan. He is honorable to a fault. Thane had turned out to be better than I thought but i still don't like him. Eislin is useless. Great plot twists at the end. I'm looking forward too book 2.
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Reviewed in the United States on June 6, 2020
★★★★★ 5
Very detailed! Beautiful world building! Strong Heroine!
Format: Kindle
Starts off a little slow and confusing with different POV’s, but starts to all come together towards the middle to make an elaborate plot line and makes it all worth it. Beautiful world building and attention to detail as well as great writing. The cliffhanger was gut wrenching! Can’t wait for the next book!
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Reviewed in the United States on March 4, 2020
★★★★★ 4
Interesting
Format: Kindle
This was a very captivating book once you got into it thoroughly. But the third person perspective was a bit hard to get used to. But as you got into it and followed the different characters, it was interesting and filled with intrigue, conflict and forbidden love.
I can’t wait to read the next one and to complete the series.
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Reviewed in the United States on November 12, 2022
★★★★★ 5
Unraveling Fate and Fae: A Captivating Journey in "Queen of Roses"
Format: Kindle
"Queen of Roses" by Briar Boleyn is a dark fantasy romance that masterfully combines elements of myth, magic, and romance with a captivating King Arthur retelling infused with a Fae twist. From its intricately woven plot to its compelling characters, this novel delivers an immersive reading experience that will leave readers eagerly anticipating the next installment.
At its core, "Queen of Roses" is an enchanting tale of forbidden love and destiny, featuring an exceptionally slow-burn romance that ignites with the intensity of an enemies-to-lovers trope. Against a backdrop of magic and mythical creatures, the story unfolds with tension, banter, and forced proximity, drawing readers into a world filled with love, friendships, self-discovery, and betrayal.
While the novel excels in world-building, character development, and plot intricacies, some readers may yearn for a bit more fire and spice in certain aspects of the narrative. However, the promise of future developments in the series offers hope for an even more dynamic and engaging story to come. I know I personally cannot wait to get into book 2.
With a cliffhanger ending that leaves hearts racing and minds reeling, "Queen of Roses" succeeds in immersing readers from start to finish. Its dark and twisted fantasy elements are expertly balanced with moments of adventure, action, and unexpected twists, keeping readers on the edge of their seats until the very last page.
As the story delves into complex themes and explores the depths of its characters' struggles and desires, it's important to note that "Queen of Roses" may contain triggering content. Readers are advised to check the trigger warnings before diving into this captivating tale.
Overall, "Queen of Roses" is a must-read for fans of dark fantasy romance, offering a mesmerizing journey that will leave readers eagerly anticipating the next chapter in the series. With its lush prose, intricate storytelling, and unforgettable characters, this novel is sure to leave a lasting impression on all who venture into its enchanted world.
I want to extend a heartfelt shoutout to the author for granting me the opportunity to dive into "Queen of Roses" through NetGalley. It has been an absolute pleasure to explore the captivating world and characters crafted with such skill and imagination. Thank you for entrusting me with this glimpse into your enchanting world.
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Reviewed in the United States on April 1, 2024