Cadwell Laboratories - Sierra II Wedge
by Cadwell Laboratories

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A truly innovative neurodiagnostic instrument

If portability is a requirement, the Sierra II Wedge is the preferred instrument. The base unit weighs just 6 lbs. A high performance laptop computer runs the software. It comes with a soft carrying case that meets airline carry-on requirements.     
For permanent locations, the Sierra II Console is the best choice. This system is set up with a desktop computer, LCD monitor and printer and our custom designed cart.     
The keyboards on both instruments are familiar and intuitive. A hand held electrical stimulator, footswitch, 2 or 4-channel amplifier, amp cable and all necessary software are included. Optional auditory, visual and electrical evoked potential stimuli capabilities are available to expand the functionality.     
Available as a 2 or 4-channel design, the     
amplifier is exceptionally quiet. The fast recovery design reduces shock artifact and produces accurate results quickly.     
EMG, NCV, F-Wave, H-Reflex, RNS, Blink Reflex and SEP protocols are all standard in both the Sierra II Wedge and Console. Optional EP capabilities are available to expand the systems functionality.

FORUMSView All (5)
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6 days ago
Purchasing replacement parts
Looking to purchase replacement parts for the Cadwell Sierra II Wedge. Base, Amp, stimulator. Can you help?

Equipment: Cadwell Laboratories - Sierra II Wedge



5 years ago
Add temperature to motor/sensory NCV report?
Hello everyone, I've just started to work with a second hand sierra II wedge. Its a nice little machine. Only issues I have been having are that I'd like to add the temperature to each motor and sensory NCV that my lab does and I haven't yet found a way to do that. Any ideas out there?Reply


-Mr C
5 years ago
Cadwell 2 Wedge setup
How to get Cadwell base unit to recognize the laptop Reply
SERVICE COMPANIESView All Electromyograph (EMG) Companies


  • Portable or permanent models   
  • Compact and quiet amplifiers   
  • Exclusive software features   
  • An intuitive software interface, and a customizable report generator


Weight6 lbs
Channels2 or 4
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