I hope Dave gets one of this for next teardown :-) - Page 1
Forum section: electronics / testgear

author: mimmus78
author_rank: Unknown
timestamp: June 24, 2013, 10:39:52 pm
content: Transmille's 8081 Precision DMM offers unrivaled measurement performance and versatility at break through pricing ...

author: c4757p
author_rank: Super Contributor
timestamp: June 24, 2013, 10:57:37 pm
content: Did I completely miss it, or did they make no mention of the important metrological specifications like accuracy and drift in that video? He seemed completely obsessed with noise.

author: dr.diesel
author_rank: Super Contributor
timestamp: June 24, 2013, 11:00:13 pm
content: Quote from: c4757p on June 24, 2013, 10:57:37 pmI guess we both did.Looks to run around $11,500 on price..

author: c4757p
author_rank: Super Contributor
timestamp: June 24, 2013, 11:01:54 pm
content: It looks to have too many features crammed inside for me to trust that they got any of them right. Jack of all trades...

author: dr.diesel
author_rank: Super Contributor
timestamp: June 24, 2013, 11:04:56 pm
content: From their website:Code:8081 PERFORMANCE HIGHLIGHTSParameterRangesAccuracyCommentsDC Voltage1nV to 1000V4 ppm / year0.9 ppm 24 hour stabilityAC Voltage0.1uV to 1000V150 ppm / year10Hz to 1Mhz BandwidthDC Current0.1pA to 30A7 ppm / yearReading rate down to 120mSAC Current0.1nA to 30A300 ppm / year7 unique rangesResistance10 nOhm to 1 Tohm8 ppm / year2 wire and 4 wire modesTemperaturePRT & ThermocoupleSensor dependentITS-90 and Direct Thermocouple inputPressure10"H20 to 1500 psi0.04%Range of External Modules

author: dr.diesel
author_rank: Super Contributor
timestamp: June 24, 2013, 11:06:25 pm
content: Quote from: c4757p on June 24, 2013, 11:01:54 pmyeah, cramming it all in one box makes for less total equipment on the bench, definitely not good.

author: xrunner
author_rank: Super Contributor
timestamp: June 24, 2013, 11:06:34 pm
content: Damn, that thing is almost $12,000 -http://www.instrumart.com/products/37235/transmille-8081-precision-multimeter

author: c4757p
author_rank: Super Contributor
timestamp: June 24, 2013, 11:11:26 pm
content: What I want to know is how frequently the areas where 8.5 digit meters are needed and the areas where 30A current measurement is needed intersect.

author: dr.diesel
author_rank: Super Contributor
timestamp: June 24, 2013, 11:13:05 pm
content: Quote from: c4757p on June 24, 2013, 11:11:26 pmI can't think of a single one....

author: mikeselectricstuff
author_rank: Super Contributor
timestamp: June 24, 2013, 11:16:47 pm
content: Not seen this before on a hardware product - from the user manualQuoteSuppose it's one way to make sure you get paid....

author: c4757p
author_rank: Super Contributor
timestamp: June 24, 2013, 11:17:11 pm
content: And for those few cases... Hmm, I can't think of anything *cough*externalcurrentshunt*cough* they could do. I guess they're just SOL if they can't afford this meter.And if they need that nice, low noise, how about.... nope, can't *cough*averaging*cough* think of anything.

author: xrunner
author_rank: Super Contributor
timestamp: June 24, 2013, 11:19:06 pm
content: Quote from: mikeselectricstuff on June 24, 2013, 11:16:47 pmSounds like a challenge for the community here.

author: dr.diesel
author_rank: Super Contributor
timestamp: June 24, 2013, 11:20:57 pm
content: Regardless, I still hope they send one to Dave!

author: c4757p
author_rank: Super Contributor
timestamp: June 24, 2013, 11:22:38 pm
content: I don't think the mindset that leads to that IMPORTANT NOTICE mixes well with "Don't turn it on, take it apart!"...

author: mikeselectricstuff
author_rank: Super Contributor
timestamp: June 24, 2013, 11:38:14 pm
content: I sense some connection withhttp://www.timeelectronics.com/Product area, look & feel, geography (and something else...).

author: c4757p
author_rank: Super Contributor
timestamp: June 24, 2013, 11:48:13 pm
content: Yeah. The domain names are registered in towns 49 km apart. How many unique metrology companies could there be in Kent?

author: wi6971lly
author_rank: Newbie
timestamp: June 24, 2013, 11:52:56 pm
content: Quote from: c4757p on June 24, 2013, 11:11:26 pm30A on the bench none the less...

author: mikeselectricstuff
author_rank: Super Contributor
timestamp: June 24, 2013, 11:55:52 pm
content: Quote from: c4757p on June 24, 2013, 11:48:13 pmWith directors having the same surname....

author: ftransform
author_rank: Frequent Contributor
timestamp: June 25, 2013, 01:43:56 am
content: that guy can probably sell you weed from the back of a van

author: c4757p
author_rank: Super Contributor
timestamp: June 25, 2013, 01:45:05 am
content: Or at least measure its resistance.

author: dr.diesel
author_rank: Super Contributor
timestamp: June 25, 2013, 01:47:30 am
content: Quote from: ftransform on June 25, 2013, 01:43:56 amOr a shoe, anybody with an Al Bundy avatar is instantly OK by me...

author: ftransform
author_rank: Frequent Contributor
timestamp: June 25, 2013, 01:50:48 am
content: its probably a 3458A inside of a box with a rasberry pi transducer computer and a current shunt off ebay. Easy 3K profit.

author: dr.diesel
author_rank: Super Contributor
timestamp: June 25, 2013, 01:54:03 am
content: Quote from: ftransform on June 25, 2013, 01:50:48 amHow many shoes per year would that take?

author: don.r
author_rank: Frequent Contributor
timestamp: June 25, 2013, 01:59:42 am
content: Quote from: mikeselectricstuff on June 24, 2013, 11:55:52 pmand one of them only a couple of miles from where I used to live... hmm....

author: quarks
author_rank: Frequent Contributor
timestamp: June 25, 2013, 05:26:21 am
content: When I tried to get a Fluke 8508A and could not find one, I also considered this Transmille 8081. Therefore I added it to my comparison spreadsheet.If there is interest I can show some comparison results.