Industrial scientific STX70 personal gas monitor co/O2

Industrial scientific STX70 personal gas monitor co/O2

Industrial Scientific STX70 Personal Gas Monitor CO/O2
We tested the CO unit to power up and seems to us to be in working order.
The unit marked O2 Monitor does not seem to power we think the problem may be with the contacts in the battery area, not corrosion. You should probably consider this unit as a parts unit, thought you may have it repaired?
* Other than what's displayed in the images accompanying this listing or mentioned in the description above, there are no manuals, instructions, additional parts or accessories.
* If you are planning on paying with a check, please be aware that we will hold checks for 10 days to insure that they have cleared our bank.
* We'll need to collect 5% sales tax for Idaho residents only.
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