Triplett MM520 True RMS Multimeter with Low Pass Filter
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
A member of our team will check with the manufacturer and personally reply by email.
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Key Features
- True RMS accuracy delivers reliable readings on non‑sinusoidal and noisy waveforms for confident troubleshooting
- Low Pass Filter (LPF) filters VFD and harmonic interference, simplifying motor, inverter and security system diagnostics
- Wide measurement set including AC/DC voltage, µA current, temperature and frequency for versatile field use
- 60A clamp adapter input (10mV/A) expands capability for current measurement with common clamp meters
- Rugged rubberized housing and CAT III 600V safety rating protect technicians in industrial and commercial environments
- Built-in NCV detector and data-hold/relative modes speed inspections and reduce test time
Quick Specifications
- Product Model
- MM520
- Brand Name
- Triplett
- Manufacturer Part Number
- MM520
Explore the details
Product information
MM520
Overview
Get accurate, repeatable measurements in challenging electrical environments with the Triplett MM520 True RMS multimeter. Built for technicians who service security, surveillance, HVAC and industrial systems, this 6000-count meter provides True RMS readings and a Low Pass Filter to tame noisy VFDs, inverters and non-sinusoidal waveforms. Its broad feature set includes AC/DC voltage and current, µA current, frequency, capacitance, temperature probe input, continuity/diode tests and a 60A clamp adapter input compatible with any 10mV/A clamp. The MM520 combines safety and durability—ETL listed with a CAT III 600V rating and a rubberized overmold for drop resistance—so you can trust it on commercial sites and residential installs. Built-in NCV detection speeds live-circuit checks and the data-hold, min/max and relative modes make documentation and troubleshooting easier. Ideal for technicians focused on monitoring, security system commissioning, surveillance camera power checks, and electrical maintenance. Equip your service kit with the Triplett MM520 for dependable field performance—order now and streamline your diagnostic workflow.
Features
- True RMS accuracy delivers reliable readings on non‑sinusoidal and noisy waveforms for confident troubleshooting
- Low Pass Filter (LPF) filters VFD and harmonic interference, simplifying motor, inverter and security system diagnostics
- Wide measurement set including AC/DC voltage, µA current, temperature and frequency for versatile field use
- 60A clamp adapter input (10mV/A) expands capability for current measurement with common clamp meters
- Rugged rubberized housing and CAT III 600V safety rating protect technicians in industrial and commercial environments
- Built-in NCV detector and data-hold/relative modes speed inspections and reduce test time
| General Information | |
|---|---|
| Brand Name | Triplett |
| Manufacturer Part Number | MM520 |
| Warranty | |
| Limited Warranty | 1-Year |
| Miscellaneous | |
| Compatibility | Any adapter that has a 10mV/A output |
| Package Contents | Pouch case and (2) AA batteries, Temperature Probe, Test leads |
| Environmentally Friendly | Yes |
| Environmental Certification | CE, RoHS |
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Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- MM520
- Manufacturer part:
- MM520
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsTriplett MM520 True RMS Multimeter with Low Pass Filter
MM520