Card type Digital Multimeter, fits in pocket, provides all the facilities required for a technician “on the go”. This 3999 Counts Multimeter provides 10 functions at an unbeatable price. The meter also has Relative measurement; Data Hold, Auto power off and Auto Power off disable functions.
| Functions | Maximum | MaximumResolution | |
| Voltage DC | 500V | 0.1mV | ±(0.7% + 3digits) |
| Voltage AC | 500V | 0.1mV | ±(1% + 10digits) |
| Current DC | 400mA | 1uA | ±(2.0% + 5digits) |
| Current AC | 400mA | 1uA | ±(2.5% + 10digits) |
| Resistance | 40MΩ | 0.1Ω | ±(2.0% + 5digits) |
| Capacitance | 200uF | 10pF | ±(3.0% + 15digits) |
| Frequency | 10MHz | 0.001Hz | ±(2.0% + 5digits) |
| Duty Cycle | 0.1 to 99.9% | 0.001 | ±(2.0% + 5digits) |