Monday, July 11, 2011

Review: Uni-Ball Signo DX (UM-151) 0.38 mm Gel Ink Pen

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I acquired these beauties from JetPens - where I get most of my pens and other stationery goods. They have a wide range of colors available and nib sizes for pickings!
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The Body

The Uni-ball Signo DX (UM-151) line have a good-sized barrel for those who don’t like thin barrels that often accompany micro tips. It’s very comfortable to hold and didn’t strain my hand after extensive writing.
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I was a little bit disappointed that the grip was so small though. It is barely thicker than the barrel itself and stops short of the metal tip, leaving a little piece of plastic barrel between the two. Which, incidentally, is where my fingertips actually grip when I’m writing. However, it has more grip than other micro tip pens (such as the Pilot Hi-Tec C line) which have no rubberized grip at all.
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Note the plastic space between metal tip and rubber grip
The Nib

Despite being a fairly thin tip at 0.38 mm, comparable to the 0.3mm Pilot Hi-Tec C, I didn’t have a problem with the writing. Ink flow was very smooth and, perhaps because I’m used to writing with fine nibs, I did not feel the nib was scratchy. I have a friend who tried it, and she commented it was a bit scratchy for her - but then she usually writes with 0.7 mm nibs and larger.

The nib is also well built. As usual, I performed my highly advanced scientific test of nib strength by violently tapping the nib on my notebook (in this case, I have stuck with my trusty Quo Vadis Habana). The nib held up well to my abuse and again, I suggest you don’t try my HASTONS (highly advanced scientific test of nib strength) at home. Unless you’re prepared to lose a pen or two. Even with heavy writing, the nib held up well. I did not have any problems with ink blobbing on the ends, which results in ink blobs - often a problem with cheaper pens. Personally, though I love the Pilot Hi-Tec C line, I think the 0.38 mm nib feels sturdier than Pilot’s 0.3 mm, or even the 0.4 mm nib.
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Nib comparison

From left to right: Pentel Slicci 0.7 mm in pink, Pilot Hi-Tec C 0.5 mm in pink, Pilot Hi-Tec C 0.4 mm in pink, Pilot Hi-Tec C 0.3 mm in pink, Uni-ball Signo DX 0.38 mm in blue.

The Ink

It’s hard to drool over thick, bold lines of ink when your nib is only 0.38 mm. But from the color of the ink through the barrel, it’s pretty nice. And the tiny little 0.38 mm lines left by the pen are pretty solid. The blue, blue-black, and bordeaux-black that I tried out are all very sharp but obviously are not brilliant, happy colors. They are quite professional looking, if you are seeking a gel ink pen for work. Or for signing important documents.

The ink dried pretty quickly in my test. I made a scribble and with no time to dry, I smeared my finger across it (another highly advanced scientific test). Clairefontaine paper is very smooth and usually, all inks take a few seconds longer to dry.
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Highly scientific ink drying test

So far, the ink is lasting me quite awhile. The ink cartridge is quite wide and because the nib is so thin, it doesn’t use up ink very quickly. This is great for those of us who want a pen that lasts a long time. Not so great for those who have OCD and obsessively monitor their ink levels as they write with excitement so they can proudly use a pen from start to finish without their ADD taking over (not me).

Eco-Conscious?

Fortunately, these pens are refillable. However, like most refillable gel ink pens, the refills only come in select colors. Unless you’re really into black, blue, blue-black, and red, you’re out of luck. Hopefully Uni-ball will add some more colors to their available refills.

Price

JetPens - $2.25 each
Jetpens Refills - $1.20 each

Overall

I really like the Uni-ball Signo DX line. It’s a great pen for anyone who is curious about the micro tip pen world but are hesitant to try a softer nib in fears of breaking it. The pen is really nice looking and can easily pass for an elegant work pen. Not bad for $2.25, but even better that it's refillable!

10 comments:

MrApollo said...

Thanks for the review. Regarding the rubber grip stopping too far from the tip, that is my feeling too. Have you tried the Signo RT 0.38? The grip extends closer to the RT tip, just right for me.

Azizah said...

I have them next up on my list to review! I haven't really observed them yet though. I'm really glad though. I love these pens but I was totally disappointed by the grip!

Kim said...

The main difference between the Uniball Signo DX and the Hi-Tec-C is that the Uniball pens have permanent ink. The Hi-Tec-C's do not. When I wrote something and dropped water on it from my glass, the words I wrote with the Hi-Tecs slid right off the page. NEVER sign any documents with the water based Hig-Tec-C inks.

GourmetPens said...

Very, very good point. I didn't even think to mention that at the time but water resistance was never really something I thought about until very recently when readers started inquiring about it! Thanks for pointing that out - although I found my Hi-Tec Cs of 0.4mm and 0.3mm didn't bleed as much as the 0.5mm. Strange!

★彡 nadya nyobi「んよび」 said...

I have the pink one and I love it so much. Smooth, fast-drying, vivid color, I had it over a year and the quality haven't turn down. The thing is, it's quite expensive for me T_T but quality costs money, right? So it's worth it for me ^0^

Azizah Asgarali said...

That is often true, and if you like them, then that makes them worth it. But if you can find an inexpensive source, it makes it easier to love :)

Nadine Peralta said...

You must make sure not to drop them though, when you do it stops working.

Kim said...

I love these pens because the ink is permanent. The Hi-Tec-Cs, if water or moisture touches what you've written at all the words will literally roll right off the page. The Signo DX is not only water proof, but alcohol proof too so know that the checks you write are safe.

Azizah Asgarali said...

Really? I've definitely dropped mine many times. What has probably happened to yours is when you dropped them, the ink gets shifted away from the tip from the impact. It probably just needs to be whipped back into place with some force/shaking.

tokaji said...

The signo DX is not only waterproof, but also fadeproof. UV rays don't fade it. The hi tec c4 fades away quickly if left in sunlight. Both of the alcoholproof.

Please check out our tests:
http://golyostoll.blog.hu/2013/10/17/mennyire_tartos_az_irasom

Unfortunatelly, the dx blobs a lot for me.

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