Keysight 34465A long duration logging - Page 1
Forum section: electronics / testgear

author: Messtechniker
author_rank: Frequent Contributor
timestamp: March 09, 2020, 04:23:15 pm
content: Trying to troubleshoot two incubators (for chicken eggs)with a poor breeding success rate. Only 1 out of 15 makeit to this world.Found out that the 34465A logging duration is limited to100 hours (4 days and a bit). I need something in the orderof 24 days (just under 600 hours). It would be nice to have unlimitedlogging to an external USB stick until it is full without having to rely on anadditional PC running Benchvue or whatever. Maybe something for the nextfirmware update?

author: TheSteve
author_rank: Unknown
timestamp: March 09, 2020, 04:50:43 pm
content: Logging can always be done with a raspberry pi - still more hardware then just the meter but much less then a full PC.

author: gamalot
author_rank: Super Contributor
timestamp: March 09, 2020, 04:53:40 pm
content: Maybe you happen to have a Raspberry Pi at home.

author: Messtechniker
author_rank: Frequent Contributor
timestamp: March 09, 2020, 05:31:20 pm
content: No Pis anywhere near me.Needed to do this logging job quickly.No time for setting up a Pi. Using an ancient Windows laptop with USB BME 280temp and humidity sensor I had at hand.By the way: this rooster does a good job.Eggs fertilised bythis one develop nicely in other incubators. So no problem here.My findings: humidity is OK. But I suspect that in view of the thin walls the temperaturedistribution within is is not so good. Thus recommended some styrofoam insulationaround the incubator. We shall see in due time. 17 days to go. And then try again.

author: garrettm
author_rank: Frequent Contributor
timestamp: March 10, 2020, 02:22:26 am
content: The 34465A has ethernet. A little programming and network connectivity make things like this almost trivial. If the DMM has Telnet access, you can write a super simple script in Java to log data to a txt file. I'd be surprised if there isn't already some software available from Keysight that does this for free.

author: NoisyBoy
author_rank: Frequent Contributor
timestamp: March 10, 2020, 02:50:32 am
content: That would be BenchVue which is included with the meter, it can easily log the data and remote control. The user is aware of it but prefer not to log to a PC, see original post.

author: beanflying
author_rank: Super Contributor
timestamp: March 10, 2020, 04:13:32 am
content: For this sort of job have a good look at your local Commercial Food industry for loggers.I have a couple of simple Elleitech ones on fridges I use for commercial storage (I need at least daily records for big brother to never read). Something in here might suit you depending on how accurate you need the temperature to be?http://www.elitechlog.com/elitech-temperature-recorders/

author: Kjelt
author_rank: Super Contributor
timestamp: May 01, 2020, 05:26:13 am
content: Quote from: NoisyBoy on March 10, 2020, 02:50:32 amOnly for meters purchased after june 2019.Keysight does not reward early adopters so it seems.

author: Messtechniker
author_rank: Frequent Contributor
timestamp: May 01, 2020, 05:44:58 am
content: These el-cheapo incubators are simply crap. No breeding success at all with these. Temperature control is simply awful. Measured +/- 5 deg C around the setpoint with erratic long delays.Apparently the hens are able to control the temperature of their eggs better than that.for the hens.These incubators (70 EUR) were then discarded and replaced by more expensive ones (270 EUR). Now the breeding success rate is around 17 out of 20.The owners have learnt the lesson. Buy cheap - buy twice.