UT251 series high-accuracy high sensitivity leakage current clamp meters are designed for testing AC leakage current. The high resolution meter is great for applications such as checking leakage current for motor, home appliances and other electrical equipment up to 60A.

Features of UT251 Series AC Leakage Current Clamp

Certifications: CE, ETL, RED, FCC

Jaw size: 40mm
Current: 3.000mA~60.0A; 1uA
Harmonic measurement: 20 (UT251C+ only)
Frequency: 5Hz~5KHz;
Frequency response: 50Hz~60Hz

Strong anti interference
Stable reading
Bluetooth app (UT251C+ only)
CAT III 600V

FAQ (English)

Q1: What is the current measurement range and resolution of UNI-T UT251C+?

A1: Measuring range: 3.000mA ~ 60.0A, resolution up to 1μA for tiny leakage current detection.

Q2: Does UT251C+ support harmonic measurement?

A2: Yes, it supports up to 20th harmonic analysis, this function is only available for UT251C+.

Q3: What is the frequency range for UT251C+?

A3: Frequency measurement range: 5Hz ~ 5kHz; fundamental frequency response for 50Hz / 60Hz power grid.

Q4: What is the clamp jaw size?

A4: 40mm jaw opening, suitable for measuring most common cables without cutting off the circuit.

Q5: Does UT251C+ have Bluetooth function?

A5: Yes, built-in Bluetooth, connect to UNI-T APP to record data, view graphs and generate test reports. Bluetooth function is only available for UT251C+.

Q6: What safety rating and certifications does it have?

A6: Safety rating CAT III 600V. Certifications: CE, ETL, RED, FCC. It features strong anti-interference and stable readings.

Q7: What extra practical functions does it include?

A7: It has LPF low-pass filter, Max/Min capture, data hold, LCD backlight, flashlight, low battery prompt and auto power off.

Q8: What application scenarios is UT251C+ suitable for?

A8: Ideal for distribution cabinet leakage inspection, equipment leakage troubleshooting, power quality testing, industrial maintenance, photovoltaic and rail transit electrical inspection.

Specifications

	UT251B+		UT251C+
Current	3.000mA; 1uA	LPF off: 45Hz~60Hz:±(2%+5) 60Hz~1.2KHz:±(3%+9) LPF on: 45Hz~60Hz:±(3%+9) 60Hz~1.2KHz:FYI	3.000mA; 1uA	LPF off: 45Hz~60Hz:±(2%+5) 60Hz~1.2KHz:±(3%+9) LPF on: 45Hz~60Hz:±(3%+9) 60Hz~110Hz:FYI
	30.00mA; 0.01mA		30.00mA; 0.01mA
	300.0mA; 0.1mA		300.0mA; 0.1mA
	3.000A; 0.001A		3.000A; 0.001A
	30.00A; 0.01A		30.00A; 0.01A
	60.0A; 0.1A		60.0A; 0.1A
Frequency	99.99Hz; 0.01Hz	±(0.1%+5)	99.99Hz; 0.01Hz	±(0.1%+5)
	999.9Hz; 0.1Hz		999.9Hz; 0.1Hz
	5.000KHz; 0.001KHz		5.000KHz; 0.001KHz
HARM measurement (UT251C+ only)	N/A		1	±（3%+10)
	N/A		2～6	±（3.5%+10)
	N/A		7～8	±（4.5%+10)
	N/A		9～10	±（5%+10)
	N/A		11～15	±（7%+10)
	N/A		16～20	±（10%+10)
Features
Display count	3000		3000
True RMS	✔		✔
Jaw size	Measureable dia.:40mm		Measureable dia.:40mm
Display	HTN LCD; Dual display		HTN LCD; Dual display
LPF function	✔		✔
Sample rate	2 times/s		2 times/s
Auto range	✔		✔
MAX/MIN	✔		✔
Data hold	✔		✔
Data transmission	N/A		Bluetooth
Backlight	✔		✔
Flashlight	✔		✔
Low battery indication	✔		✔
CAT rating	CAT III 600V		CAT III 600V
Certificates	CE, ETL, FCC		CE, ETL, FCC
General information
Power supply	AAA 1.5V*3		AAA 1.5V*3
Product Color	Gray + Red		Gray + Red
Product Dimension	200.1×70.5×40mm		200.1×70.5×40mm
Product weight	about 350g		about 350g
Standard Quantity Per Carton	10pcs		10pcs
Standard Carton Measurement	325×260×215mm		325×260×215mm
Standard Carton Gross Weight	4.9kg		4.9kg
Accessories	cloth bag, manual, battery		cloth bag, manual, battery

UT251C+ AC Leakage Current Clamp

Product Details

FAQ (English)

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