Introducing the TECHNI-PRO TNP477 Heavy-Duty True RMS Clamp Meter with Flex Probe

Discover the power and precision of the TECHNI-PRO TNP477, a heavy-duty clamp meter designed for professionals who demand accuracy and reliability in their electrical measurements.

• Heavy-duty, true RMS clamp meter
• Maximum voltage: 1000V AC/DC
• Maximum current: 1000A AC/DC (3000A AC with flex probe)
• 1.9" jaw opening (48mm)
• Includes flexible probe attachment (3000A AC)
• 50,000-count LCD display
• Non-contact voltage detection
• Inrush current
• CAT III 1000V, CAT IV 600V
• Testing functions include,
• AC/DC voltage
• Resistance
• Continuity
• Diode Test
• Capacitance
• Frequency
• Duty Cycle
• Temperature

The TECHNI-PRO TNP477 is a heavy-duty, true RMS clamp meter with a flexible probe attachment. It features a 1.9" jaw opening, a 50,000 count display, as well as a built-in flashlight and non-contact voltage detection.

The easy-to-use, flexible probe attachment enables current measurement up to 3000A AC and is ideal for use in hard-to-reach places. Maximum inputs on the meter itself are 1000V and 1000A AC/DC.

Additional features include inrush current, peak hold, data hold, and a min/max recording mode.

TNP477 Clamp Meter Layout

1. TNP477 Current clamp
2. Non-contact AC voltage indicator light
3. Clamp trigger
4. Flashlight button
5. Rotary Function switch
6. Data hold/backlight button
7. MODE select button
8. PEAK/INRUSH button
9. REL (Relative)/Hz button
10. MIN/MAX Hold button
11. LCD Display
12. 3000A AC Input jack
13. COM (Common) input jack
14. Positive Input Jack

• Heavy-Duty Design: Built to withstand tough conditions, the TNP477 is a reliable companion for professionals working in demanding environments.


• Flexible Probe Attachment: The included flexible probe attachment with a jaw opening of 1.9" (48mm) makes it easy to access hard-to-reach places, providing flexibility without compromising accuracy.


• True RMS Accuracy: Ensure accurate measurements every time with true RMS technology, allowing you to capture the true amplitude of complex waveforms.


• High-Resolution Display: Featuring a 50,000-count LCD display, the TNP477 ensures clear and precise readings for various testing functions.


• Versatile Testing Functions: From AC/DC voltage, resistance, continuity, diode test, capacitance, frequency, duty cycle to temperature measurement, the TNP477 is equipped with a comprehensive range of testing functions.


• Maximum Inputs: With a maximum input of 1000V and 1000A AC/DC, this clamp meter is designed to handle a wide range of electrical measurements.


• Inrush Current, Peak Hold, Data Hold, Min/Max Recording Mode: Additional features cater to specific measurement needs, providing a complete solution for professionals.


• Built-in Flashlight and Non-Contact Voltage Detection: Enhance your work efficiency with the built-in flashlight and non-contact voltage detection feature.

TNP477 Screen Layout:

1. Bluetooth
2. Auto Power Off
3. Units of Measure List
4. Direct Current
5. Negative Reading Display
6. Alternating Current
7. Low Battery
8. Measurement Display Digits
9. Analog bar graph
10. Auto range mode
11. Data hold
12. Peak Max
13. Peak Min
14. Relative mode
15. DC zero
16. Inrush current

This meter features Bluetooth connectivity and can communicate wirelessly with the free TECHNI-PRO iOS app. While using the app, it is possible to send data directly from the meter to your device, as well as store measurements and much more. Saved data can also be renamed for easier future reference.

Performance and Value Comparison: See for yourself how the TECHNI-PRO TNP477 stacks up against other popular clamp meters. The TNP477 offers superior performance without breaking the bank.

Make the smart choice for your electrical measurements – choose the TECHNI-PRO TNP477 for unparalleled accuracy, durability, and value.

• TNP477 Multimeter
• Test Leads
• Flexible Current Probe
• K-Type Thermocouple and Adapter
• Carrying Case
• 9V Battery
• Instruction Manual