Accurate True RMS readings
Get precise AC voltage and current measurements even with distorted waveforms, so you can trust every reading on the job.
- Free shipping
- 14-day easy returns
- Secure checkout
- Quality guaranteed
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Why customers love it
Precision measurements, effortless accuracy in every test
The FNIRSI DMT-99 digital multimeter delivers professional-grade True RMS readings with auto-ranging, making it ideal for electricians, engineers, and hobbyists tackling home, automotive, or lab work.
- True RMS for accurate AC voltage and current readings
- 9999-count display with auto-ranging for effortless measurements
- Non-contact voltage detection (NCV) for added safety
- Built-in rechargeable 1500mAh battery for extended use
- 2.4-inch full-color TFT display with a clear, easy-to-read interface
Why you'll love it
Safer testing with NCV
Non-contact voltage detection lets you check for live wires without touching them, adding an extra layer of safety.
Built-in rechargeable battery
The 1500mAh rechargeable battery keeps you working longer without hunting for replacements.
Clear full-color display
The 2.4-inch TFT screen makes readings easy to see, even in dim conditions.
Specs
The details that matter
Built to last outdoors, season after season.
- Model
- DMT-99
- Counts
- 9999
- Voltage
- AC/DC up to 1000V
- Current
- Up to 10A
- Battery
- 1500mAh rechargeable
Our worry-free shopping promise
If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.
Frequently asked questions
Everything you might want to know before you order.
What voltage and current ranges can this multimeter measure?
It measures AC/DC voltage up to 1000V and current up to 10A.
What functions does the DMT-99 support beyond voltage and current?
It tests resistance, capacitance, frequency, diode, and continuity.
How does non-contact voltage detection (NCV) work?
NCV lets you detect live voltage without touching the conductor, adding safety when checking wires or outlets.
How long does the battery last on a full charge?
The built-in 1500mAh rechargeable battery provides extended use, though exact runtime depends on usage patterns.
Can I customize the display or monitoring features?
Yes, it includes a monitoring mode and a customizable boot screen.
Shipping & returns
Shipping
- Delivers to United States (based on your selected country/region).
- Estimated delivery: 3–15 business days after dispatch.
- Shipping cost: Free.
Returns
You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.