Uni-T UT501B Insulation Resistance Tester

Brand: UNI-T
Product Code: UT501B
Availability: 4-6 business days
Planuojama gavimo data po užsakymo: 2026-05-29

86.00€
Ex Tax: 71.07€

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Uni-T UT501B Insulation Resistance Tester

The Uni-T UT501B Insulation Resistance Tester is a versatile and precise measuring device from the UT500 series, designed to measure insulation resistance, AC voltage, and low resistance in electrical installations and equipment. The model offers test voltages of 250V/500V/1000V, measurement accuracy of ±(3%+5), as well as advanced PI and DAR diagnostic functions. Equipped with a clear 2000-count LCD display, automatic range selection, continuous measurement function, and an alert system (buzzer and LED), it ensures convenience and safety when testing transformers, motors, cables, and high-voltage installations.

Functionality and Ease of Use

The UT501B stands out for its intuitive operation and compact, rugged design (weighing 500 g), making it an ideal tool for electricians and service technicians. The device features an auto-off function, automatic discharge after measurement, and accurate low-resistance measurement with a zeroing function. Additional safety features, such as an overload indicator, high-voltage alarm, and low-battery warning, enhance comfort and safety during use. The model is CE and UKCA certified.

Application and Reliability

The Uni-T UT501B tester is ideal for daily work involving the inspection of electrical installations and equipment maintenance. It is the perfect solution for diagnosing transformers, generators, motors, cables, and capacitors. Thanks to its wide range of functions and robust construction, it ensures reliable measurements and long-term operation.

Included

Uni-T UT501B Insulation Resistance Tester
Test leads
Alligator clips
Batteries
Carrying strap

Manufacturer	Uni-T
Model	UT501B
Test voltage range	250V / 500V / 1000V
Insulation resistance measurement	up to 5GΩ
AC voltage measurement	30V–600V
Short-circuit current	<2mA
Additional features	PI and DAR functions, auto-discharge, auto-range selection, continuous resistance measurement, 2000-count backlit LCD display
Power supply	6 × 1.5V batteries (LR6)
Dimensions	150 × 100 × 71 mm
Weight	500 g

Tags: uni-t, ut501b, insulation, resistance, tester

Claim orders from Stores

You can claim your purchased items within 1 - 4 work days after making an order (if product is in local warehouse).

Please wait for an email notification regarding Your order status update.

Vilnius Store address: Vytenio g. 20, LT-03229 Vilnius, Lietuva

Kaunas Store address: Pramonės pr. 4D, LT-51329, Kaunas, Lietuva

Local delivery in Lithuania

Purchased items are delivered locally through Venipak service. Depending on availability of items, orders are processed within 1-3 work days. Orders made until 1AM are shipped the same day.

Local delivery (1-4 w.d.) price for items of any size is through through courier service is 4.90€ (incl. VAT), if the amount of the shopping cart exceeds 150€ - delivery is free.

Local delivery price to Venipak parcel terminals (1-3w.d.) is 2.90€ incl. VAT, if the amount of the shopping cart exceeds 50€ - delivery is free.

Local delivery price to Omniva parcel terminals (1-3w.d.) is 3.90€ incl. VAT,if the amount of the shopping cart exceeds 70€ - delivery is free.

Payment on delivery (COD) +2.00€ (incl. VAT).

You can pay for the goods at the time of delivery to the courier in cash or by credit card. Payment to Omniva parcel terminals is only possible by bank card.

A separate delivery fee applies to oversized items, regardless of the amounts and conditions stated above.