Why is it necessary to clamp a single conductor with a clamp meter to measure current instead of the entire power cable?

A two-prong cable has live and neutral wires; a three-prong adds ground. Current flows oppositely in live and neutral wires, canceling magnetic fields. Clamping both may show zero. For accuracy, clamp each wire separately

Where is the NCV function implemented on the clamp meter?

The NCV probe of the clamp meter is located at the protruding part of the clamp tip. Simply bring the clamp meter tip close to the object being detected when using the NCV function

How long does the data hold function last?

The data hold function will last until you press "H" again to exit the data hold mode

Which hole do the red and black test leads insert into?

The red test lead connects to the INPUT jack, and the black test lead connects to the COM jack

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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TCM-300D Smart Clamp Meter

Product ID: 647691755

Details

Brand
TESMEN
Color
Green
Item Weight
229.7 Grams
Power Source
Battery
Style
AC/DC Current

🔋6000 counts precision

🦾5-600A inrush current range

🛡️CAT III 600V safety certified

Details

Brand
TESMEN
Color
Green
Item Weight
229.7 Grams

Description

⚡ Clamp, Test, Conquer – The Ultimate Digital Multimeter for the Modern Pro

USER CENTRIC DESIGN - Large jaw clamp, backlit HD display, flashlight, and auto shut-off make every measurement seamless
SAFETY YOU CAN TRUST - CAT III 600V rating with overload protection and audible/visual alarms for peace of mind
POWERFUL INRUSH DETECTION - Measure startup currents from 5 to 600A to troubleshoot motors and circuits like a pro
VERSATILE ALL IN ONE TOOL - From capacitance to temperature, NCV to diode testing, handle every electrical task effortlessly
PRECISION AT YOUR FINGERTIPS - 6000 counts resolution for ultra-accurate AC/DC current & voltage readings

The TESMENTCM-300D Digital Clamp Meter is a high-precision, versatile multimeter designed for professionals and enthusiasts alike. Featuring 6000 counts resolution, a large jaw for non-intrusive AC/DC current measurement, and advanced inrush current detection (5-600A), it ensures accurate diagnostics. Certified to CAT III 600V with overload protection and equipped with a backlit HD display, flashlight, and multiple testing modes including NCV, capacitance, and temperature, it’s the all-in-one tool for efficient, safe, and reliable electrical troubleshooting.

Specifications

ASIN	B0D5M5LZBP
Best Sellers Rank	#129,531 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #81 in Clamp Meters
Brand	TESMEN
Brand Name	TESMEN
Color	Green
Customer Reviews	4.6 out of 5 stars 574 Reviews
Included Components	clamp meter,test leads,temperature probe pens,bag,batteries,user manual
Item Dimensions	7.68 x 1.81 x 0.98 inches
Item Weight	229.7 Grams
Item dimensions L x W x H	7.68 x 1.81 x 0.98 inches
Manufacturer	TESMEN
Measurement Type	Multimeter
Model	TCM-300D
Part Number	TCM-300D
Power Source	Battery Powered
Specification Met	Cat Iii 600v, Rohs
Style	AC/DC Current
Style Name	AC/DC Current

Reviews

I**.

26.07.2024

J**.

7.02.2026

R**N

18.07.2025

D**R

1.12.2025

W**B

17.05.2025

E**O

11.04.2026

B**Y

3.01.2026

T**N

26.11.2025

T**Z

15.08.2025

V**S

10.11.2025

G**I

18.11.2025

T**O

3.01.2026

R**L

9.04.2025

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