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Description
P737 - Deuterium LampDownload Product Datasheet Instrument Thermo Fisher , Solar S4 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 S4
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.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
I buy these again and again through the years!
Size: Medium, Color: Austin Brown Assorted (6-pairs)
Love these. After a year or two I wear holes in the bottoms because I wear them so much. Worth the little bit higher price because of the fit and comfort. Love how they are truly no show
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Reviewed in the United States on October 18, 2025
★★★★★ 4
Good quality but tight on toes
Size: 6-10, Color: White/Assorted
These are great socks that stay in place, but they scrunch my toes together like crazy. My feet are normal width. When I first started wearing them I noticed my feet would ache after an hour or two.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
My New Favorite Socks
Size: 6-10, Color: Halo Gray/Assorted
These have quickly become mine and my mom's favorite socks. We wear them with tennis shoes, Hey Dudes, and more. The fabric is incredibly soft and comfortable, they do not budge/fall in my shoe, and are extremely well made. I have become so attached to these socks, that I no longer want any other brand.
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Reviewed in the United States on July 4, 2025
★★★★★ 5
Fit is great!
Size: 6-10, Color: Halo Gray/Assorted
These socks fit perfectly and never slip!
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Reviewed in the United States on April 9, 2026
★★★★★ 5
Absolutely Essential for Any Athlete or Gym-Goer!
Size: Large, Color: (035) Steel / White / Black
I recently purchased the Under Armour Unisex-Adult Training Cotton No Show Socks 6 Pack, and I must say, they've become an indispensable part of my workout gear. Here's why these socks are a game-changer:
Comfort Above All: These socks are incredibly comfortable. Made from a blend of cotton and synthetic fibers, they provide just the right amount of cushioning without feeling bulky. Whether I'm running, lifting weights, or doing yoga, my feet feel supported yet free.
No Show, All Go: True to their name, these socks stay perfectly in place without slipping down into my shoes. This is crucial for maintaining a professional look at the gym or during sports activities. No more embarrassing sock peeks or having to constantly adjust them.
Durability: For the price, these socks hold up remarkably well. I've washed them multiple times, and they haven't lost their shape or elasticity. They've survived the rigors of both my workouts and laundry day.
Breathability: The material mix allows for excellent breathability. My feet stay dry and cool, reducing the chances of blisters or discomfort during long sessions.
Pack Value: Getting six pairs in one go is fantastic. It means I always have a fresh pair ready, which is perfect for someone like me who works out frequently.
Fit for All: These socks fit true to size and are designed to be unisex, making them a versatile choice for anyone looking to upgrade their sock game.
If you're in the market for socks that combine comfort, performance, and style, look no further. Under Armour has nailed it with these no-show socks. They've quickly become a staple in my wardrobe, and I find myself reaching for them over any other sock I own. Highly recommended for anyone serious about their fitness routine or just wanting reliable, high-quality socks.
5 out of 5 stars - These socks are a must-have!
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Reviewed in the United States on August 25, 2024