Impulse® 4000T – Analog TENS Unit with Timer

The Impulse® 4000T unit is easy to use with three modes of operation. These modes are Constant, Burst, and Modulation and can help you manage your pain to get the relief you need. The pulse rate, pulse width, and amplitude are adjustable to lessen acute pains due to an accident or chronic conditions such as arthritis or other joint and muscle conditions.

For those who prefer an alternative to invasive medical procedures or the high cost drugs, this may be your solution. This TENS unit with timer is perfect for those seeking timed sessions with simple timed settings of 15 or 30 minutes to continuous mode. The user can pick the setting that’s right for them.

This device comes with everything needed to start your pain management therapy session.

2 Year Limited Warranty

HCPCS code # E0730

BioMedical Life Systems, Inc. distributes their products through various Dealers, Distributors, and Healthcare outlets & organizations.

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General Specs

General Specs

Channels: Dual
Electrodes: 4
Waveform: Asymmetrical biphasic square wave
Amplitude: 0-100 mA (adjustable)
Pulse Rate: 2- 150 Hz (adjustable)
Pulse Width: 50 – 250 µS (adjustable)
Continuous: Constant Stimulation
Burst: 8 pulses per burst/2 bursts per second
Modulation: Decrease/increase of set width of 50%

over a five-second period

Timer: 15, 30, Continuous minutes
Power Supply: 9V Battery, E-block, type 6F22
Size: 4.1” x 2.8” x 1”

(105 mm x 70 mm x 24 mm)

Weight: 3.1 oz (87 g)
Tolerances: +/- 10%
Resistance Load: Data was recorded across a 500 ohm resistance load


  • Impulse® 4000T device
  • (4) 2”x2” square reusable electrodes
  • Standard industry lead wires
  • (1) 9V battery
  • Plastic carry case
  • Belt clip
  • Instruction manual