{"product_id":"uni-t-ut139b-true-rms-digital-multimeter","title":"Uni-T UT139B True RMS Digital Multimeter","description":"\u003cp\u003e      \u003c\/p\u003e\u003ch3\u003eUni-T UT139B True RMS digital multimeter\u003c\/h3\u003e\u003cbr\u003e\u003cp\u003eThe Uni-T UT139B is a True RMS digital multimeter designed for everyday electrical measurements, combining ease of use with greater reading accuracy. The device operates in CAT III 600V category, offers an NCV function for quickly checking the condition of electrical installations, and features an easy-to-read display supported by a 31-segment analog bar graph. It is an intermediate model in the series that provides a good balance between functionality and precision.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003cimg alt=\"Using the UNI-T digital multimeter to test network parameters in a control cabinet.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/20983\/27851\/1.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cbr\u003e\u003ch3\u003eGreater precision and ease of measurement\u003c\/h3\u003e\u003cbr\u003e\u003cp\u003eThe UT139B model allows for the measurement of DC and AC voltage up to 600 V, DC and AC current up to 10 A, resistance, capacitance, and frequency. Compared to the UT139A model, it offers a higher maximum reading of 4000, while retaining the V.F.C. function and automatic and manual range switching. This makes it better suited for applications requiring greater precision and more convenient result monitoring.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003cimg alt=\"Checking the resistance of components on a green PCB using digital multimeter probes.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/20983\/27851\/3.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cbr\u003e\u003ch3\u003eFeatures for enhanced user comfort\u003c\/h3\u003e\u003cbr\u003e\u003cp\u003eThe UT139B is equipped with a diode test, continuity buzzer, duty cycle measurement, Data Hold function, Relative mode, Max\/Min function, and LCD backlight. The UT139 series also provides full protection up to 600 V, automatic shut-off, and True RMS measurement. It is a practical choice for users who want a more advanced multimeter for service and electrical work.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003cimg alt=\"Measuring voltage in an electrical switchgear using a digital multimeter and a probe held in a protective glove.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/20983\/27851\/4.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cbr\u003e\u003ch3\u003eIncluded\u003c\/h3\u003e\u003cbr\u003e\u003cul class=\"list-disc pl-5\"\u003e\n\u003cbr\u003e\u003cli\u003eDigital multimeter\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003e2 AA batteries\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eTest leads (1 pair)\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cdiv class=\"table-wrapper\"\u003e\n\u003cbr\u003e\u003cp\u003e \u003c\/p\u003e\n\u003cbr\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cbr\u003e\u003ctable\u003e\n\u003cbr\u003e\u003ctbody\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eUni-T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eUT139B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eTrue RMS digital multimeter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eDC voltage range\u003c\/th\u003e\n\u003ctd\u003e40 mV \/ 400 mV \/ 4 V \/ 40 V \/ 400 V \/ 600 V ±(0.5% + 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eAC voltage range\u003c\/th\u003e\n\u003ctd\u003e40 mV \/ 400 mV \/ 4 V \/ 40 V \/ 400 V \/ 600 V ±(0.8% + 3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eDC current range\u003c\/th\u003e\n\u003ctd\u003e400 µA \/ 4000 µA \/ 40 mA \/ 400 mA \/ 4 A \/ 10 A ±(1.0% + 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eAC current range\u003c\/th\u003e\n\u003ctd\u003e400 µA \/ 4000 µA \/ 40 mA \/ 400 mA \/ 4 A \/ 10 A ±(1.2% + 3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eResistance measurement range\u003c\/th\u003e\n\u003ctd\u003e400 Ω \/ 4 kΩ \/ 40 kΩ \/ 400 kΩ \/ 4 MΩ \/ 40 MΩ ±(1.0% + 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eCapacitance measurement range\u003c\/th\u003e\n\u003ctd\u003e9.999 nF – 99.99 mF ±(4.0% + 5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eFrequency range\u003c\/th\u003e\n\u003ctd\u003e10 Hz – 10 MHz ±(0.1% + 4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eMaximum display reading\u003c\/th\u003e\n\u003ctd\u003e4000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eAC frequency range\u003c\/th\u003e\n\u003ctd\u003e45 Hz – 400 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eRange selection\u003c\/th\u003e\n\u003ctd\u003eAutomatic and manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eFunctions\u003c\/th\u003e\n\u003ctd\u003eTrue RMS, NCV, diode test, continuity buzzer, duty cycle, Data Hold, Relative mode, Max\/Min, LCD backlight, V.F.C.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eMeasurement category\u003c\/th\u003e\n\u003ctd\u003eCAT III 600 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003e2 × 1.5 V AA batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e354 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e175 × 81 × 48.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eDisplay dimensions\u003c\/th\u003e\n\u003ctd\u003e58 × 36 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\u003ctr\u003e\n\u003cth\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eCE, UKCA, cETLus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003cbr\u003e\n\u003c\/tbody\u003e\n\u003cbr\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\u003c\/div\u003e  ","brand":"UNI-T","offers":[{"title":"Default Title","offer_id":53131998888264,"sku":"6935750521397","price":484.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0509\/0361\/3640\/files\/57836_1.jpg?v=1779231566","url":"https:\/\/itfon.dk\/products\/uni-t-ut139b-true-rms-digital-multimeter","provider":"ITFON, EL-SALG Vordingborg","version":"1.0","type":"link"}