| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| mathew | "Our portland office has .026ppm (26ppb) of formaldehyde when measured over by our packing and shipping area. That's over 3 times the chronic dange..." | Read more » | over 9 years ago | |||
| mathew | "I broke the tip off the tube with a pair of pliers. I do need a proper tip breaker-- my method left a good mess. " | Read more » | over 9 years ago | |||
| mathew | "Can i get a 250ml pipette? My choice of graduated cylinder volume was based on a desire to make the time period I measured long enough that my reac..." | Read more » | over 9 years ago | |||
| mathew | "the pump's output seems fairly consistent without a warm-up. I wanted to see if the setup retained its configuration from yesterday, so I ran thre..." | Read more » | over 9 years ago | |||
| mathew | "@nshapiro- 5lbs 12oz, so for mailing purposes 6lbs. Unless the blue plastic weighs 12 oz I'm tempted to keep it-- the oval cutout in the top panel..." | Read more » | over 9 years ago | |||
| mathew | "I don't see any images of them running the device-- seems like they demoed it under glass in January. it looks like a non-functional prototype. is..." | Read more » | over 9 years ago | |||
| mathew | "if, for the library, we're going to mount everything in a box with a face plate, lets look at how we can integrate the tube's scale and the thermom..." | Read more » | over 9 years ago | |||
| mathew | "@Danbeavers what if we put a standardized, small orifice on the broken end of the glass tube that is always smaller than a hole broken into the tub..." | Read more » | over 9 years ago | |||
| mathew | "I have small plastic valves, had to order 5. I'll send one out. " | Read more » | almost 10 years ago | |||
| mathew | "it has to be upright, yes. what other options are you thinking of? " | Read more » | almost 10 years ago | |||
| mathew | "I think for the neck unit-- we need to have a flow meter in the flow. That is a perfect configuration to use in the buy your own kit, whereas we'r..." | Read more » | almost 10 years ago | |||
| mathew | "@danbeavers I am interested in making our data usable in court, but I'm also trying to be budget-sensitive. we're looking to mail these around fro..." | Read more » | almost 10 years ago | |||
| mathew | "I'm trying to think about how everything might go together for shipping-- I'd like to put the monitor in a plastic suitcase with a top panel cut to..." | Read more » | almost 10 years ago | |||
| mathew | "@Danbeavers If you ream it you're right-- I was thinking about just a drill hole and that note. Vibrations on either a cheap drill or a poorly secu..." | Read more » | almost 10 years ago | |||
| mathew | "@danbeavers hmm... the variability in the break and its effect on flow could be quantified with a more accurate flow meter. I wonder how variable ..." | Read more » | almost 10 years ago | |||
| mathew | "The vintage timers are probably far too massive. I'm not as worried about tampering as I am about good faith forgetfulness-- I don't always hear t..." | Read more » | almost 10 years ago | |||
| mathew | "we can put double sided tape down on the spot-- they remove the cover and stick the tube down. we already have a ton of 1/8" double sided tape. " | Read more » | almost 10 years ago | |||
| mathew | "following up on our discussion about trying to calibrate the pump without the flow meter-- could we calibrate the pump at our office, and then have..." | Read more » | almost 10 years ago | |||
| mathew | "One confounding issue is where the card goes in library shipment. I'm looking at foam-lined reusable boxes we can package everything easily and mi..." | Read more » | almost 10 years ago | |||
| mathew | "we should check the accuracy of the digital thermometer-- sometimes they give 3 sig figs but actually only do 2. if we switched to a vertical orie..." | Read more » | almost 10 years ago | |||
| mathew | "I'm seeing 2-degree accuracy on some of those strips. are they cheaper than an alcohol thermometer? do they photograph better? buy some and lets s..." | Read more » | almost 10 years ago | |||
| mathew | "@jefffalk @marlokeno interested in your thoughts on this plan. " | Read more » | almost 10 years ago | |||
| mathew | "would a vacuum pump for food packing work? alternatively, can you pack the sensors in rice? " | Read more » | almost 10 years ago | |||
| mathew | "We were talking about relative humidity being important (but accuracy not being a big deal) so including not just a thermometer but also a hygromet..." | Read more » | almost 10 years ago |