The UNI-T UT171B is a 60,000-count industrial True RMS digital multimeter with 0.025% basic DC voltage accuracy and 100kHz AC bandwidth. It supports LoZ, VFC, AC+DC and 4–20mA loop measurements, with onboard storage and USB communication for professional electrical and process maintenance.
Key Features
- 60,000-count display with 0.025% basic DC voltage accuracy
- True RMS measurement with 100kHz AC bandwidth and VFC low-pass filtering
- LoZ, AC+DC and 4–20mA loop measurement modes for industrial troubleshooting
- Stores up to 9999 readings with USB communication and optional Bluetooth connectivity
- Rechargeable design with CAT III 1000V / CAT IV 600V safety rating
Product Specifications
| Specification |
Details |
| Brand |
UNI-T |
| Model |
UT171B |
| Meter Type |
Industrial True RMS digital multimeter |
| Display Count |
60,000 counts |
| DC Voltage Range |
600mV / 6V / 60V / 600V / 1000V |
| Basic DC Voltage Accuracy |
±(0.025% + 5 digits) |
| AC Voltage Range |
600mV / 6V / 60V / 600V / 1000V |
| AC Voltage Accuracy |
±(0.4% + 40 digits) |
| AC Bandwidth |
Up to 100kHz |
| DC Current Range |
600μA / 6000μA / 60mA / 600mA / 6A / 10A |
| DC Current Accuracy |
±(0.15% + 2 digits) |
| AC Current Range |
600μA / 6000μA / 60mA / 600mA / 6A / 10A |
| AC Current Accuracy |
±(0.75% + 5 digits) |
| Resistance Range |
600Ω to 60MΩ |
| Conductance Range |
Up to 60nS |
| Capacitance Range |
6nF to 60mF |
| Frequency Range |
10Hz to 10MHz |
| Temperature Range |
-40°C to 1000°C / -40°F to 1832°F |
| Measurement Response |
True RMS |
| Special Measurement Modes |
AC+DC, VFC low-pass filter, LoZ AC voltage and 4–20mA loop percentage |
| LoZ Input Impedance |
Approximately 3kΩ |
| Voltage Detection |
NCV non-contact AC voltage detection |
| Additional Test Functions |
Diode, continuity and duty-cycle measurement |
| Additional Functions |
Peak hold, maximum/minimum values, relative mode, data hold and test-lead misconnection warning |
| Data Storage |
9999 readings |
| Communication |
USB; Bluetooth with optional UNI-T adapter |
| Display |
Backlit EBTN display with 31-segment analogue bar graph |
| Ranging |
Automatic and manual |
| Safety Category |
CAT III 1000V / CAT IV 600V |
| Certifications |
CE and cETLus |
| Power Supply |
7.4V rechargeable lithium-ion battery |
| Dimensions |
206 × 95 × 55mm |
| Net Weight |
Approximately 384g |
Applications
- Industrial electrical system inspection and troubleshooting
- Variable-frequency drive and motor-system maintenance
- Process-control and 4–20mA current-loop testing
- Electrical commissioning and preventive maintenance
Included Components
- UNI-T UT171B industrial True RMS digital multimeter
- Rechargeable lithium-ion battery
- Test leads
- Point-contact temperature probe
- USB interface cable
- Power adapter
- Carrying bag and user documentation