Product Features:
True effective value
Automatic range and manual range switch can be selected
VFC frequency conversion function: can reduce the interference of high frequency signal to the measurement results
MAX/MIN/REL: maximum/minimum/relative value measurement.
NCV non-contact electrical test function
Digital hold, white LED backlight
Automatic shutdown
Full range protection, for all range 600V input protection
Meters are designed to meet safety standards for overvoltage CAT III 600V class, dual insulation and contamination Level 2
Instruments comply with the CE European Community (European Unio--)
n) Standard
| Basic function | The range of | Basic accuracy |
| Model number |
|
UT139B |
| Dc voltage (V) | 40mV/400mV/4V/40V/400V/600V | ±(0.5%+2) |
| Ac voltage (V) | 40mV/400mV/4V/40V/400V/600V | ±(0.8%+3) |
| Direct current (A) | 400μA/4000μA/40mA/400mA/4A/10A | ± (0.8%+2) |
| Ac current (A) | 400μA/4000μA/40mA/400mA/4A/10A | ±(1.0%+3) |
| Resistance (Ω) | 400Ω/4KΩ/40KΩ/400KΩ/4MΩ/40MΩ | ±(0.8%+2) |
| Capacitance (F) | 9.999nF/99.99nF/999.9nF/9.999μ F/99.99μF/999.9μF/9.999mF/99.99mF |
±(4.0%+5) |
| Frequency (Hz) | 9.999Hz～9.999MHz | ±(0.1%+4) |
| Special function | ||
| Maximum disy |
|
3999 |
| 自动The range of |
|
√ |
| 手动The range of |
|
√ |
| True effective value |
|
√ |
| Frequency response (Hz) |
|
45Hz～1kHz |
| Ac frequency conversion VFD measurement |
|
√ |
| Duty cycle | 0.1% ～ 99.9% | √ |
| Diode test |
|
About 3V |
| NCV |
|
√ |
| Automatic shutdown | About 15 minutes | √ |
| On or off the buzzer |
|
√ |
| Low voltage disy | ≤2.4V | √ |
| The number holds |
|
√ |
| Relative measurement |
|
√ |
| Maximum/minimum value |
|
√ |
| LCD backlight |
|
√ |
| Input protection | 600Vrms | √ |
| Input impedance | Max. 1GΩ | √ |
| General characteristics | ||
| Power supply | AA1.5*2 | |
| LCD size | 58 × 36 mm | |
| Fuselage color | Red gray | |
| Fuselage weight | 370g | |
| Fuselage size | 175 × 80 × 48.5 mm | |
| Standard parts | Battery, watch pen | |
| Standard packing | Color boxes, manuals, warranty cards | |
| Standard packing数量 | Twenty | |
| Standard packing尺寸 | 465 × 335 × 345mm | |
| Standard packing箱毛重 | 12 Kg
|
|
