Most manufacturers have there own system by far the best is the Crown Infolink system and this can be fitted to any manufacturers machine not just Crown. Most aftermarkets kits like transmon etc just seem tocause problems
Our company, Keytroller, produces several models of overspeed warning devices, top speed controllers and access monitoring systems with overspeed warning, alarm and logging. If you have interest --contact us directly and we can fill you in on the optons.
send me your requirements and I will see if my company can assist you.
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