Who uses the Primera TENS/NMES Unit? Those experiencing difficulty with chronic or acute pain, or medical professionals assisting their patients with managing pain.
Why they love it: The Primera unit offers both TENS and NMES therapy in one easy-to-use, powerful device.

Chattanooga Primera TENS/NMES Unit with HAN Waveform Overview
The Primera TENS Unit uses the power of TENS and NMES for effective muscle stimulation, whether the desired result is pain relief or enhanced muscle performance. The Chattanooga Primera TENS uses the HAN TENS waveform, which is a unique waveform that adjusts between high and low frequencies during treatment. The Primera unit has eight TENS modes and six NMES programs to best accommodate the user's needs.
Product Features and Benefits
- Combines TENS and NMES Therapy
- Unique HAN TENS Waveform
- Low-Battery Indicator
- Two-Year Warranty
- PRIMERA Unit
- Battery
- Two lead wires
- Electrodes
- Electrode positioning back belt
- User manual
- Conventional TENS. This is the most common and traditional TENS mode with 80 Hz at a 200 S pulse width.
- Burst Mode. This mode is similar to the conventional mode, except that the low rate pulse is substituted for a short burst of nine pulses at 150 Hz.
- Modulation TENS. This mode continuously cycles pulse width and rate, helping prevent nerve accommodation.
- Han TENS. Han TENS is a version of the Modulation TENS mode, and it works in a sequence of low and high frequency stimulation, where 2 Hz alternates with 70 Hz.
- The Ultima Neo TENS Unit has four different electrotherapy modes for optimal therapeutic results.
- Twin Stim TENS and EMS Combo Unit combines TENS and EMS (NMES) therapies for powerful and effective electrotherapy.
- EMS 2000 Electrical Muscle Stimulator's three stimulation patterns provide relief for nerve and muscle pain.
- Dr-Ho's Back Pain Relief System is a fully customizable therapy system for back pain.
- Manufacturer: Compass Health
- Brand: Chattanooga
- Product Number: 77615
- Color: White and Gray
- Dual Channel: Individually Isolated Circuits
- Type: Constant Current
- TENS/NMES Amplitude: 0 - 80 mA
- Waveform: Asymmetrical, Rectangular Bi-Phasic With Zero DC Current
- Application: Electrotherapy
- Warranty: Two Years
Sell Sheet contains product features and technical specifications.
User Manual contains instructions for use of the Primera TENS NMES Unit.
What's in the Box?
Treatment Modes
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Product Specifications
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