Eureka Manta Manual Page 66 of 67
6 Can I use re-chargeable or Lithium batteries in the Internal Battery Pack or External Battery Pack?
We strongly discourage use of lithium batteries in enclosed housings if there is any chance the
batteries could get wet – such as in the IBP or EBP. (E.9)
7 Why is it important to check water temperature in a range of temperatures in the lab before
deployment? How often?
It’s not really that important; the Manta design has been checked may times to make sure it accounts
for water temperature everywhere necessary, such as when calculating DO saturation. However, it
might be instructive to check the performance of your Manta in cold water if you often operate in
cold waters.
G6 General FAQ’s
1 What do the LED’s mean?
Please see B.6.
4 Is your sonde approved by the EPA, USGS, or has it been tested at ACT (Alliance for Coastal
Technologies)?
Yes, and you can see the test reports, including ACT’s Performance Verification Statement for
the Eureka Manta2 pH Sensor (2015), Evaluation of the Eureka Manta2 Water-Quality
Multiprobe Sonde (USGS, 2017), and Eureka Outperforms the Competition, on Eureka’s Web
site.
5 Can I add sensors to my Manta2?
The Manta can handle as many as 12 sensors. If you have fewer than 12 and wish to add one or more
sensors, we can do it.
6 Where did you people come from anyway?
Eureka was formed as Eureka Environmental Engineering in 2002 to take advantage of the market
leaders’ inattention to product development and customer service. Eureka’s staff, mostly former
Hydrolab and YSI employees with over 100 man-years experience in all areas of the multiprobe
industry, produced the Manta1 Water-Quality Multiprobe and the Amphibian1 Data Display in 2003.
The Manta1 sported such industry firsts as direct connection to USB ports, unbreakable cable
connections, transparent multiprobe housing, LED’s for easy operation and troubleshooting, and
software easily understood by regular people. The Amphibian1 was the industry’s first PDA-based
data display.
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