NJTY T21L Digital Multimeter – Inductance, NCV, AC/DC, Temp
NJTY T21L Digital Multimeter – Inductance, NCV, AC/DC, Temp
NJTY T21L Inductance Digital Multimeter – 6000 Counts, Auto Range
The NJTY T21L Digital Multimeter is a versatile, intelligent testing tool designed for electricians, HVAC technicians, electronics hobbyists, and DIY enthusiasts. With full auto-range capability and a wide array of measurement functions — including the rare ability to measure inductance (600µH–60H) — the T21L is an exceptional all-in-one meter for professional and home use alike.
Featuring a large 6000-count digital display with bright backlight, this meter delivers highly accurate, easy-to-read results in any lighting condition. The built-in magnetic hanging strap means you can mount it hands-free on any metal surface — a game-changer for air conditioner maintenance and panel work.
Made in Mainland China.
Key Features
- Auto Range: Automatically selects the correct measurement range, saving time and reducing user error
- Inductance Measurement: 600µH – 60H range — ideal for testing coils, transformers, and inductors
- 6000-Count Display: Large, high-resolution digital screen with backlight for enhanced readability
- Non-Contact Voltage (NCV) Detection: Safely detect live AC voltage without direct probe contact
- Temperature Measurement: -20°C to 1000°C wide-range temperature sensing
- Duty Cycle: 0.1% – 99% for pulse waveform analysis
- Continuity Buzzer: Audible alert for quick circuit continuity testing
- Magnetic Adherence Design: Hands-free attachment to metal surfaces for convenient use
- CE & RoHS Certified: Meets international safety and environmental standards
- Compact & Portable: 14.7 × 7.1 × 4.5 cm — fits easily in a tool bag or pocket
Full Specifications
| AC Voltage | 60mV – 600V |
| DC Voltage | 60mV – 600V |
| AC Current | 600µA – 10A |
| DC Current | 600µA – 10A |
| Resistance | 600Ω – 60MΩ |
| Capacitance | 6000pF – 100mF |
| Inductance | 600µH – 60H |
| Temperature | -20°C – 1000°C |
| Duty Cycle | 0.1% – 99% |
| Display | 6000-Count Digital LCD with Backlight |
| Operating Mode | Auto Range |
| Operating Temperature | 0°C – 40°C |
| Power | 3 × 1.5V AAA Batteries (not included) |
| Dimensions | 14.7(L) × 7.1(W) × 4.5(H) cm |
| Certifications | CE, RoHS |
| Model | T21L |
| Brand | NJTY |
| Origin | Made in Mainland China |
Who Is the NJTY T21L For?
Whether you're an HVAC technician diagnosing air conditioning systems, an electrician checking voltage on a panel, an electronics engineer testing inductors and capacitors, or a DIY enthusiast working on home wiring projects, the NJTY T21L provides the precision and versatility you need in a single compact device.
For more information on safe electrical testing practices, refer to the OSHA Electrical Safety Guidelines.
Frequently Asked Questions
Q: Does the NJTY T21L Digital Multimeter come with batteries?
A: No, batteries are not included. The T21L requires 3 × 1.5V AAA batteries to operate. These are widely available and easy to source.
Q: Can the NJTY T21L measure inductance, and what is the range?
A: Yes! The NJTY T21L is equipped with inductance measurement capability ranging from 600µH to 60H, making it suitable for testing coils, chokes, and transformers — a feature not commonly found on entry-level multimeters.
Q: What does NCV detection mean on the T21L multimeter?
A: NCV stands for Non-Contact Voltage detection. This feature allows you to detect the presence of live AC voltage simply by holding the meter near a wire or outlet — without needing to touch the conductor directly, enhancing safety during electrical work.
Q: Is the NJTY T21L auto-ranging or manual-ranging?
A: The T21L features full auto-range mode, meaning it automatically identifies and selects the best measurement range for the value being tested. This speeds up your workflow and minimizes the risk of range selection errors.
Q: Is the NJTY T21L certified for safety?
A: Yes. The NJTY T21L carries both CE and RoHS certifications, confirming compliance with European safety standards and environmental regulations regarding hazardous substances.