E-Stim Device Repair & Calibration
Repair, calibration, and PM documentation for TENS units, neuromuscular electrical stimulators, interferential current devices, and iontophoresis systems. PCREE testing included where required.
Get a Free Quote →Electrical stimulation devices are standard equipment in physical therapy clinics, skilled nursing facilities, and outpatient rehab settings. When a TENS unit or neuromuscular stimulator delivers inaccurate output — whether too high, too low, or intermittent — it creates both clinical risk and compliance exposure. Under NFPA 99, e-stim devices used in patient care areas are subject to electrical safety (PCREE) testing requirements.
Medical Equipment Repair Network connects clinics and facilities with biomedical technicians trained on all major e-stim brands. We provide output calibration, leakage current testing, written PM documentation, and repair with a documented return to service record.
Services Included
Output Calibration
Verification of pulse amplitude, frequency, and waveform accuracy against manufacturer specifications. Calibration records provided for each unit.
PCREE Electrical Safety Testing
Leakage current and ground continuity testing as required by NFPA 99 for patient-applied electrical equipment. Written test report per device.
Component Repair
Diagnosis and repair of lead wire failures, electrode connector faults, display malfunctions, and internal circuit issues. Most repairs completed on-site.
Preventive Maintenance
Full PM inspection per manufacturer schedule: output verification, physical inspection, cable and connector integrity, battery condition, and documentation.
Battery Replacement
Battery testing and replacement for portable TENS and NMES units. OEM and compatible replacements available.
Iontophoresis Device Service
Output current calibration and safety testing for iontophoresis systems including Iontophor, Phoresor, and similar units.
Equipment We Service
- TENS units (Zynex, Empi, Chattanooga, InTENSity)
- Neuromuscular electrical stimulators (NMES/EMS)
- Interferential current (IFC) units
- Russian stimulation units
- Iontophoresis devices (Phoresor, Iontophor)
- Combination units (TENS/EMS/IFC)
- High-voltage pulsed current (HVPC) devices
Frequently Asked Questions
Yes. Patient-applied electrical equipment — including TENS units and other e-stim devices used in clinical settings — falls under NFPA 99 PCREE testing requirements. Facilities must maintain written test records documenting leakage current measurements, ground continuity, and pass/fail results for each device annually.
Most manufacturers recommend annual calibration and PM. High-use devices in PT clinics may benefit from semi-annual calibration verification. Any unit that has been repaired, dropped, or shows inconsistent output should be re-tested before returning to clinical use.
Each serviced unit receives a written service record showing device identification, calibration measurements, electrical safety test results (leakage current values), pass/fail status, technician name and credentials, and service date. These records satisfy CMS and Joint Commission documentation requirements.
In most cases, yes. Our technicians carry common replacement parts and can source components for many discontinued models. For units where parts are no longer available, we provide a documented evaluation and replacement recommendation.
Find E-Stim Device Repair Services in Your State
Our network covers all 50 states. Select your state for local service availability: