Digital multimeter; UNI-T
| Manufacturer | UNI-T |
| Type of meter | digital multimeter |
| Display | LCD |
| Symbol |
UT139A |
UT139C |
UT139S |
UT136C+ |
| Illumination |
|
|
|
|
| - yes |
|
x |
|
x |
| Display parameters |
|
|
|
|
| - (1999) |
x |
|
|
|
| - (3999) |
|
|
|
x |
| - (5999) |
|
x |
x |
|
| Bargraph |
- |
- |
yes |
- |
| DC current measuring range [A] |
|
|
|
|
| - 200µ/2000µ/20m/200m/2 |
x |
|
|
|
| - 400µ/4m/40m/400m/4 |
|
|
|
x |
| - 600µ/6000µ/60m/600m/6 |
|
x |
x |
|
| - 10 |
x |
x |
x |
x |
| AC current measuring range* [A] |
|
|
|
|
| - 200µ/2000µ/20m/200m/2 |
x |
|
|
|
| - 400µ/4m/40m/400m/4 |
|
|
|
x |
| - 600µ/6000µ/60m/600m/6 |
|
x |
x |
|
| - 10 |
x |
x |
x |
x |
| DC voltage measuring range [V] |
|
|
|
|
| - 20m/200m/2/20/200 |
x |
|
|
|
| - 60m/600m/6/60 |
|
x |
x |
|
| - 400m/4/40/400/1k |
|
|
|
x |
| - 600 |
x |
x |
x |
|
| AC voltage measuring range [V] |
|
|
|
|
| - 20m/200m/2/20/200 |
x |
|
|
|
| - 60m/600m/6/60 |
|
x |
x |
|
| - 400m/4/40/400/1k |
|
|
|
x |
| - 600 |
x |
x |
x |
|
| Resistance measuring range [Ω] |
|
|
|
|
| - 200/2k/20k/200k/2M/20M |
x |
|
|
|
| - 400/4k/40k/400k/4M/40M |
|
|
|
x |
| - 600/6k/60k/600k/6M/60M |
|
x |
x |
|
| Capacitance measuring range [F] |
|
|
|
|
| - 4n/40n/400n/4µ/40µ/400µ/4m |
|
|
|
x |
| - 10n/100n/1000µ |
|
x |
x |
|
| - 10m |
|
x |
x |
x |
| - 100m |
|
x |
|
|
| Frequency measuring range [Hz] |
|
|
|
|
| - 400...40M |
|
|
|
x |
| - 10M...10M |
|
x |
x |
|
| Temperature measuring range [°C] |
|
|
|
|
| - -40...1000 |
|
x |
x |
x |
| Test |
|
|
|
|
| - circuit continuity |
|
|
|
x |
| - diodes |
x |
x |
x |
x |
| Continuity test |
|
|
|
|
| - acoustic indication |
x |
x |
x |
x |
| Continuity test [Ω] |
|
|
|
|
| - <10 |
x |
x |
x |
|
| - <50 |
|
|
|
x |
| Dimensions (W x H x D) [mm] |
80x170x48 |
80x170x48 |
80x170x48 |
83x175x53 |
| Battery/ rechargeable battery |
|
|
|
|
| - battery R6 AA 1,5V x2 |
x |
x |
x |
x |
| Duty cycle factor [%] |
- |
0.1...99.9 |
0.1...99.9 |
- |
* 1) indirect measurement
Features:
- auto and manual ranging (UT139x)
- autoranging (UT136C+)
- automatic power-off
- contactless voltage detector
- HOLD function
- MIN/MAX/REL function (UT139x)
- low input impedance function (LoZ) (UT139S)
- socket for testing transistors' gain (hFE) parameter (UT136C+)
- low battery indicator