UNI-T UT603 Digital Inductance Capacitance Resistance Meter
The UT603 is a handheld instrument meant for measuring inductance, capacitance, and resistance in electronic components. It has a sizeable case, with a rotary switch to select different measurement ranges, and a large clear display to show results. The exterior oftentimes includes a protective jacket or grip-friendly surfaces. It feels solid when held, with the kind of heft that suggests durability. The display is framed by a panel of other functionality, including sockets or terminals for component leads, and symbols to help the user orient their connections. Even though its primary purpose is component testing, its design gives confidence that it can endure regular use in lab benches, workshops, or hobbyist environments.
Inside, the UT603 operates via a manual ranging mechanism: you must select the appropriate range for resistance, capacitance or inductance. The reading feels immediate once leads are connected and the device is switched to the proper mode. When testing capacitors, small inductors, or resistors, it resolves to expected values. The instrument includes a diode test, a transistor gain socket (for some transistor checking), and continuity buzzer, which adds utility beyond simple L/C/R measurement. While it does not measure AC or DC voltage or current like a full multimeter, its specialized focus gives cleaner, more reliable results for inductors and capacitors than many less dedicated tools.
Though its functions are specialized, the UT603 balances precision with simplicity. The user isn’t overwhelmed by menus range, mode, and component type are indicated clearly. The device is battery powered (standard 9V), so it is portable. Alligator clips or test leads are usually provided so that components or inductors can be clipped without needing extra tooling. The form factor is large enough to include a stand or support in some cases. Overall, the UT603 is a tool that gives good value: reliable component testing, ease of use, and reasonable build quality, especially for users who often work with capacitors, inductors or resistors in labs, prototypes or repairs.
Features:
- Manual range selection for resistance, capacitance, inductance
- Continuity buzzer
- Diode test mode
- Transistor gain measurement (hFE)
- Low battery indication
- Display with 2000 counts
- Clear display size (~61 × 32 mm)
- Protective casing / housing
Specifications:
| Specifications | Range | UT603 |
| Resistance (Ω) | 200Ω/2kΩ/20kΩ/200kΩ/2MΩ/20MΩ | ±(0.8%+1) |
| Capacitance (F) | 2nF/20nF/200nF/2uF/20uF/200uF/600uF | ±(1%+5) |
| Inductance (H) | 2mH/20mH/200mH/2H/20H | ±(2%+8) |
| Features | ||
| Display count | 2000 | |
| Manual range | √ | |
| Diode | √ | |
| Transistor | √ | |
| Continuity buzzer | √ | |
| Low battery indication | √ | |
| General Characteristics | ||
| Power | 9V battery (6F22) | |
| Display | 61mm x 32 mm | |
| Product color | Red and grey | |
| Product net weight | UT603: 312g | |
| Product size | 172mm x 83mm x 38mm | |
Applications:
- Testing inductors in circuits or components.
- Measuring capacitance of capacitors.
- Measuring resistance of resistors and component leads.
- Checking transistor gain (hFE).
- Testing diode forward voltage and continuity.
Package Contents:
- 1× UNI-T UT603 meter unit
- 1× 9 V battery (6F22)
- 2× test leads with alligator clips
- 1× user manual (English)
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