UNI-T UT171C Industrial True RMS Digital Multimeters
The UNI-T UT171C is a robust, industrial‑grade True RMS digital multimeter designed for professional troubleshooting and maintenance in demanding environments. Its high‑contrast OLED display delivers 9,999 counts and a 31‑segment analog bargraph, ensuring clear readings even at extreme angles and low temperatures. The unit measures DC and AC voltages up to 1,000 V, and currents up to 10 A, with True RMS accuracy across all ranges. An auto/manual ranging system and a built‑in square‑wave output facilitate rapid diagnostics of industrial control signals, while the low‑impedance (LoZ) ACV mode effectively suppresses ghost voltages on large capacitors.
Beyond basic voltage and current measurements, the UT171C offers a comprehensive suite of functions tailored to industrial applications. Resistance readings span up to 40 MΩ, admittance to 60 nS, capacitance up to 60 mF, and frequency from 10 Hz to 10 MHz. Temperature measurements cover –40 ℃ to 1,000 ℃ (–40 ℉ to 1,832 ℉) via the included point‑contact probe. The meter’s additional capabilities include diode testing, continuity buzzer, duty‑cycle analysis, non‑contact voltage (NCV) detection, relative mode, data hold, and MAX/MIN recording. All inputs feature robust protection circuitry, and DCV ranges present an input impedance ≥10 MΩ to minimize circuit loading.
Designed for seamless integration into modern workflows, the UT171C comes equipped with a rechargeable 7.4 V, 2,000 mAh Li‑ion battery, USB and Bluetooth communication interfaces, and PC software (via CD) for data logging and analysis. When paired with the UT‑D07A Bluetooth adapter and the free “iDMM” smartphone app (available on Apple Store and Google Play), users can wirelessly monitor measurements in real time. Standard accessories include test leads, a carrying bag, power adaptor, and English manual, all packaged in a compact gift box. At 384 g and measuring 206 mm × 95 mm × 55 mm, the UT171C balances portability with rugged performance for field and bench applications alike.
Features:
- High‑Resolution Display:
- 9,999‑count OLED display with 31‑segment analog bargraph
- LCD backlight for low‑light environments
- Ranging & Measurement:
- Auto and manual ranging
- True RMS for all AC measurements
- VFC (low‑pass filtering) mode
- Comprehensive Measurement Functions:
- DC/AC voltage up to 1,000 V
- DC/AC current up to 10 A (with 4–20 mA loop support)
- Resistance to 40 MΩ, admittance to 60 nS
- Capacitance up to 60 mF, frequency 10 Hz–10 MHz
- Temperature from –40 ℃ to +1,000 ℃ (with included probe)
- Diode test, continuity buzzer, duty‑cycle analysis
- Advanced Data Handling:
- NCV (non‑contact voltage) detection
- MAX/MIN recording, data‑hold, relative mode
- On‑board data storage
- Safety & Convenience:
- Robust input protection circuitry
- Mis‑plug alarm, low‑battery indication, auto power‑off
- DCV input impedance ≥ 10 MΩ (minimizes circuit loading)
Specifications:
| Category |
Specification |
| DC Voltage: |
0 – 1000 V, ±(0.025% + 5) |
| AC Voltage: |
0 – 1000 V, ±(0.4% + 40) |
| DC Current: |
0 – 10 A, ±(0.15% + 10) |
| AC Current: |
0 – 10 A, ±(0.75% + 20) |
| Resistance: |
0 – 40 MΩ, ±(0.05% + 2) |
| Admittance: |
0 – 60 nS, ±(2.5% + 5) |
| Capacitance: |
0 – 60 mF, ±(0.01% + 5) |
| Frequency: |
10 Hz – 10 MHz, ±(0.025% + 5) |
| Temperature: |
–40 ℃ to +1000 ℃, ±(0.4% + 40) |
| Duty Cycle: |
0.1% – 99.9%, resolution 0.1% |
| Square-Wave Output: |
~100 kHz |
| Display: |
9999-count OLED with 31-segment analog bargraph |
| Backlight: |
OLED illumination |
| Ranging: |
Auto and manual |
| True RMS: |
Yes, for all AC measurements |
| Filtering: |
VFC (low-pass filter) |
| NCV Detection: |
Yes |
| Other Functions: |
Diode test, continuity buzzer, MAX/MIN, data hold, relative mode |
| Input Impedance (DCV): |
≥10 MΩ |
| LoZ (ACV Mode): |
~3 kΩ |
| Battery: |
7.4 V 2000 mAh Li-ion rechargeable (UT171C) |
| Interfaces: |
USB and Bluetooth (via UT-D07A adapter) |
| Wireless App: |
iDMM (iOS & Android) |
| Dimensions: |
206 mm × 95 mm × 55 mm |
| Weight: |
384 g |
| Standard Accessories: |
Test leads, temperature probe, USB cable, charger, manual, carrying bag |
| Optional Accessories: |
UT-D07A Bluetooth adapter |
Applications:
- Industrial Maintenance & Troubleshooting.
- Electrical & Electronic Circuit Testing.
- Automation & Control Systems.
- R&D and Laboratory Work.
- HVAC & Temperature Monitoring.
- Power Distribution & Energy Audits.
- Field Service & Remote Monitoring.
Package Include:
- Gift box
- Carrying bag
- English manual
- Rechargeable Li‑ion battery (7.4 V, 2000 mAh)
- Test leads
- Point‑contact temperature probe
- USB interface cable
- Power adaptor
- PC software CD
Documents:
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