How much did the new "toys" cost you? I have a mechanical Tacho but you need to get access to the end of the shaft , much easier with
the digital type.
shovel man.
this is what i payed for them:
1.2" LCD Non Contact Digital InfraRed Thermometer with Laser Sight (-50°C ~ 380°C)
Objectnr. 35754 $20,40 USD
2.2" LCD Laser Photo Digital Tachometer - Dark Gray + Orange
Objectnr. 41842 $15,30 USD
from dealextreme.com
they accept paypall payment
I have both of those, or at least ones that look very similar. I checked the tach against a Cat service tool photo tach one time when calibrating a hydraulic fan. I found it to be pretty accurate, so long as you hit the target just right. When it was off, it was off by quite a bit, so it was pretty obvious the laser wasn't in the right spot. After I'd had it about 6 months though, it just stopped working. I had travelled with it in my laptop bag, so I am not sure if it got damaged from that or not. For the price, I can't expect too much durability.
The thermometer has come in handy too, although I haven't had a good chance to check it's accuracy against anything calibrated.
Dave
its for hobby work and only for adjusting the revs of my my 4 caterpillars, i looked for the cheapest ones on internet, still 1 year guarantee,
dtallon: maybe its just a the battery that flat on yours, and if its not bring or send it back for guarantee if its not older then one year.
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