Not Eligible for Standard and Expedited Delivery.

Chattanooga Portable Electrotherapy Intelect TENS Digital Unit

Brand/Manufacturer: CHATTANOOGA GROUP
Item # Desc Pkg Price
77712 1.2" x 2.4" x 3.6" $1.65

Chattanooga Portable Electrotherapy Intelect TENS Digital Unit is used for symptomatic relief and management of chronic pain and acute post-surgical or post-trauma pain. It features dual, independent channels, adjustable frequency and pulse duration parameters, 5 stimulation modes (burst, normal, MRW, SD, bi-pulse), patient compliance timer and digital LCD display.

Highlights of Intelect TENS Digital Unit

  • Dual independent channels Adjustable timer 
  • Adjustable frequency and pulse duration meter Digital unit features 5 modes
  • Convenient digital controls

Chattanooga Portable Digital Unit Features

  • Chattanooga Portable Electrotherapy Intelect TENS Digital Unit comes standard with:
    - Lead wires
    - 9-volt battery
    - DURA-STICK II self-adhesive electrodes
    - Carrying case
  • Treat multiple patient needs from pain management to the prevention or retardation of disuse muscle atrophy
  • Battery recharger is sold separately

How to Operate Intelect TENS Digital Unit?

Burst Mode:
The burst mode provides a "burst" of seven pulses.
There are two bursts that are delivered per second.
Positive pulse and negative pulse are delivered continuously at fixed 100 Hz.
Pulse width are adjustable from 50-300usBURST Mode

The Normal mode produces a continuous train of impulses.
The stimulation parameters are not automatically interrupted nor varied in any way. In this mode, the pulse rate (from 2 to ISOHz) and pulse width (from 50 to 300us) are fully adjustable.
The normal mode is quite versatile because it may be applied with a variety of rate and width settings 

MRW (Modulated Rate and Width) Mode:
The pulse rate and width are automatically varied in a cycle to produce a pleasant, massage-like sensation.
It's believed that nerves can become accustomed to, or "accommodated" to the same electrical stimulus after a period of time and thus would require increasing the intensity to further block the pain.
The Modulation mode offers different electrical stimulation, thus preventing nerve accommodation so less intensity is required for long and effective treatment.
In this mode, during the beginning of 0.5 sec.
period, the WIDTH is decreased to 50% of its original setting, and during the next 0.5 sec. period, the RATE is decreased to 50% of its original setting. Therefore, the total cycle time is I second.
MRW (Modulated Rate and Width) Mode 

SD (Strength Duration) Mode:
Strength-Duration modulation consists of alternating modulated intensity and pulse width, so the intensity is always increasing while the pulse width is decreasing and vice-versa.
The stimulation intensity is modulated to 62.5% maximum of setting (width equal to setting). The pulse width is modulated to 67% of setting (intensity equal to setting). Total cycle time is 6 seconds.

Bi-Pulse Mode:
Pulse rate (from 2-15OHz) and pulse width (from 50-300us) are fully adjustable Delivers 4 pulses per second to Channel I (i.e. the pulse rate of Channel I is fixed at 4 Hz) while delivering 100 pulses per second to Channel 2 (i.e. the pulse rate of Channel 2 is fixed at 100 Hz).
Stimulation is burst on for 1.0 second, then off for 1.0 second. Pulse width (from 50-300us) is fully adjustable.

Chattanooga Digital Unit Specifications

ChannelDual, isolated
WaveformAsymmetric biphasic square pulse
Pulse Amplitude0 - 80 mA each channel adjustable (500 ohm load)
Pulse Width50 - 300µ sec. adjustable
Pulse Frequency2 - 150 Hz adjustable
Dimensions1.2" x 2.4" x 3.6" (30mm x 62mm x 91mm)
Weight4.4oz (126g)
Safety TestsEN 60601-1, EN 60601-1-2, EN 60601-2-10

Digital Unit Warranty

1 Year warranty

Chatanooga TENS Digital Reviews


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What is HPFY’s return policy?

Customer satisfaction is our top priority. We stand behind our products. If the merchandise you received is defective or not what you expected it to be, and you wish to return the item, please submit a return request in the My Account section of our website, contact our Customer Service department at (866) 316-0162 / (203) 616-2850 or email us.

  1. Merchandise must be returned within 30 days of the receipt of your order. Returns are not accepted after 30 days.
  2. Items (including parts and accessories) must be returned in new, unused, and resalable condition in its original packaging.
  3. Before returning any product, the buyer must obtain a Return Authorization Number (RA#) from a customer service representative. With your RA# you will receive a prepaid return shipping label.
  4. Orders returned without obtaining an RA# will be entitled to receive only "In-Store Credit" that can be used towards future purchases.
  5. Return orders are subject to a 20% restocking fees.
  6. All custom orders and hygienic items are non-returnable. Refer to the “Non-Returnable Items” section for further details.
  7. Returns will be reviewed and inspected before issuing credit. Please allow 3 to 4 weeks for processing. The credit will be applied to your original method of payment.
  8. If the return is the result of a defective product or shipping error, we will refund the entire purchase amount and return shipping costs.

Which products are Non-Returnable?

Due to the hygienic nature of some items, they are non-returnable. The items listed below are non-returnable:

  1. All hygienic items.
  2. Opened personal care items.
  3. Anything opened, used, or tried on.
  4. All customized items.
  5. Besides these, items that have the “non-returnable” phrase on the website.

We reserve the right to make adjustments due to errors, changing market conditions, product discontinuation or typographical errors in advertisements. Images on the site may not always reflect the actual product. Footrests or leg-rests are not included with wheelchairs unless specified.

How do I receive a return authorization number?

You can submit a return request by logging into your account. You will receive the Return Authorization Number (RA#) details in the email within 2-3 business days.

  • Login to your account
  • Go to “order history”
  • Click on “return order”
  • Fill out the return form and Submit it

If you do not have an email address, we will make other accommodations for RA# Details. Write the RA# on your label affixed to your package prior to shipment.

How long does it take to receive a refund?

Please allow 3 to 4 weeks to process the returns. Once the item is received, and inspected, your refund will be processed and automatically applied to your credit card or original method of payment.

Is there any Restocking Fees?

  1. 20% restocking fees will be applied.
  2. Outbound shipping cost is non-refundable.
  3. For orders that qualified for free shipping, $8.99 will be deducted from the refund if the product is returned.

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