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FS899L Digital Multimeter
BUIT-IN LED WORK LIGHT
Built-in high-intensity flashlight brightness dim workspaces so you can test electrical systems safely and clearly anywhere, anytime.
NCV LIVE WIRE DETECTION
Non-contact NCV detection safety measures AC voltage without probe contact. Easily identify live/neutral wires to maximize safety.
Type-C RECHARGEABLE
Rechargeable design with Type-C rapid charging saves money and reduces waste. Enjoy up to 8 hours of continuous, eco-friendly performance.
INDUSTRIAL-GRADE SAFETY
Engineered with CAT.III 1000V/CAT.IV 600V safety rating and CE/RoHS certification. Features full-range overload protection for ultimate peace of mind.
FS899L Digital Multimeter
 20 pcs FS899L Multimeter |  20 pcs FS899L Multimeter |  6 pcs FS899L Multimeter |  26 pcs FS899L Multimeter |  4 pcs FS899L Multimeter |  FS898C Multimeter | |
|---|---|---|---|---|---|---|
Customer Reviews | — | — | — | — | — | — |
Price | — | — | — | — | — | — |
Test Tool Suite | 20 pcs | 20 pcs | 6 pcs | 26 pcs | 4 pcs | 3 pcs |
Accuracy | 6000 Counts, True RMS | 6000 Counts, True RMS | 6000 Counts, True RMS | 6000 Counts, True RMS | 6000 Counts, True RMS | 6000 Counts, True RMS |
Voltage | 60mV–600V ±1.2% | 60mV–600V ±1.2% | 60mV–600V ±1.2% | 60mV–600V ±1.2% | 60mV–600V ±1.2% | 60mV–600V ±1.2% |
Current | 300mA–10A ±2.2% | 300mA–10A ±2.2% | 300mA–10A ±2.2% | 300mA–10A ±2.2% | 300mA–10A ±2.2% | 300mA–10A ±2.2% |
Functions | NCV + Temperature + Frequency | NCV + Temperature + Frequency | NCV + Temperature + Frequency | NCV + Temperature + Frequency | NCV + Temperature + Frequency | NCV + Temperature + Frequency |
Display | 4.8-inch Backlit Screen | 4.8-inch Backlit Screen | 4.8-inch Backlit Screen | 4.8-inch Backlit Screen | 4.8-inch Backlit Screen | 2.5-inch Backlit Screen |
Power | CAT III/IV Dual Certification | CAT III/IV Dual Certification | CAT III/IV Dual Certification | CAT III/IV Dual Certification | CAT III/IV Dual Certification | CAT III/IV Dual Certification |
Every fix starts with a question—and deserves a straight answer. The FS899L delivers that. We built it for the midnight fixer: True RMS, colour screen, USB-C, CAT.III 1000V safety, at a fair price. Our rule: can a non-electrician get a reliable reading in 30 seconds? Is it safer? Would we trust it in a dark garage at midnight? Three yeses, or it doesn't ship. ZMIWNIED: zero mystery in wiring.
How did we get our start?
1AM garage. Cheap meter, jumping reading. Two hours wasted on phantom. Meter was culprit, not car. That night birthed a decision. Market lacked a meter for that moment—poor light, no backup, just you and circuit. So we built ZMIWNIED. No VC hype. Just fixers for fixers.
What problem are we solving?
One test: would we trust it at midnight in a dark garage alone? No? It doesn't ship. FS899L has CAT.III 1000V/CAT.IV 600V, dual fuses, full protection, True RMS 6000-count, CE/RoHS. Not for show—for safety. Quality is a quiet promise; you won't notice when it works
FS899L Digital Multimeter
FS899L Digital Multimeter (20pcs)
FS899L Digital Multimeter
BUIT-IN LED WORK LIGHT
Built-in high-intensity flashlight brightness dim workspaces so you can test electrical systems safely and clearly anywhere, anytime.
NCV LIVE WIRE DETECTION
Non-contact NCV detection safety measures AC voltage without probe contact. Easily identify live/neutral wires to maximize safety.
Type-C RECHARGEABLE
Rechargeable design with Type-C rapid charging saves money and reduces waste. Enjoy up to 8 hours of continuous, eco-friendly performance.
INDUSTRIAL-GRADE SAFETY
Engineered with CAT.III 1000V/CAT.IV 600V safety rating and CE/RoHS certification. Features full-range overload protection for ultimate peace of mind.
FS899L Digital Multimeter
20 pcs FS899L Multimeter | 20 pcs FS899L Multimeter | 6 pcs FS899L Multimeter | 26 pcs FS899L Multimeter | 4 pcs FS899L Multimeter | FS898C Multimeter |
|---|---|---|---|---|---|
| Customer Reviews | |||||
| — | — | — | — | — | — |
| Price | |||||
| — | — | — | — | — | — |
| Test Tool Suite | |||||
| 20 pcs | 20 pcs | 6 pcs | 26 pcs | 4 pcs | 3 pcs |
| Accuracy | |||||
| 6000 Counts, True RMS | 6000 Counts, True RMS | 6000 Counts, True RMS | 6000 Counts, True RMS | 6000 Counts, True RMS | 6000 Counts, True RMS |
| Voltage | |||||
| 60mV–600V ±1.2% | 60mV–600V ±1.2% | 60mV–600V ±1.2% | 60mV–600V ±1.2% | 60mV–600V ±1.2% | 60mV–600V ±1.2% |
| Current | |||||
| 300mA–10A ±2.2% | 300mA–10A ±2.2% | 300mA–10A ±2.2% | 300mA–10A ±2.2% | 300mA–10A ±2.2% | 300mA–10A ±2.2% |
| Functions | |||||
| NCV + Temperature + Frequency | NCV + Temperature + Frequency | NCV + Temperature + Frequency | NCV + Temperature + Frequency | NCV + Temperature + Frequency | NCV + Temperature + Frequency |
| Display | |||||
| 4.8-inch Backlit Screen | 4.8-inch Backlit Screen | 4.8-inch Backlit Screen | 4.8-inch Backlit Screen | 4.8-inch Backlit Screen | 2.5-inch Backlit Screen |
| Power | |||||
| CAT III/IV Dual Certification | CAT III/IV Dual Certification | CAT III/IV Dual Certification | CAT III/IV Dual Certification | CAT III/IV Dual Certification | CAT III/IV Dual Certification |
Every fix starts with a question—and deserves a straight answer. The FS899L delivers that. We built it for the midnight fixer: True RMS, colour screen, USB-C, CAT.III 1000V safety, at a fair price. Our rule: can a non-electrician get a reliable reading in 30 seconds? Is it safer? Would we trust it in a dark garage at midnight? Three yeses, or it doesn't ship. ZMIWNIED: zero mystery in wiring.
How did we get our start?
1AM garage. Cheap meter, jumping reading. Two hours wasted on phantom. Meter was culprit, not car. That night birthed a decision. Market lacked a meter for that moment—poor light, no backup, just you and circuit. So we built ZMIWNIED. No VC hype. Just fixers for fixers.
What problem are we solving?
One test: would we trust it at midnight in a dark garage alone? No? It doesn't ship. FS899L has CAT.III 1000V/CAT.IV 600V, dual fuses, full protection, True RMS 6000-count, CE/RoHS. Not for show—for safety. Quality is a quiet promise; you won't notice when it works
FS899L Digital Multimeter
FS899L Digital Multimeter (20pcs)