.ut-cat{color:#333;font-family:Arial,Helvetica,sans-serif;line-height:1.5;} .ut-cat h4{color:#1a1a1a;font-size:1.15em;margin:1.5em 0 .5em;padding-bottom:.25em;border-bottom:2px solid #ccc;} .ut-cat h2{color:#1a1a1a;font-size:1.25em;margin:1.2em 0 .4em;} .ut-cat h3{color:#222;font-size:1.05em;margin:1em 0 .3em;} .ut-cat p{margin:.6em 0;} .ut-cat ul{margin:.5em 0;padding-left:1.4em;}.ut-cat li{margin:.25em 0;} .ut-cat img{max-width:100%;height:auto;} .ut-cat table{border-collapse:collapse;width:100%;margin:.5em 0;} .ut-cat th,.ut-cat td{border:1px solid #ddd;padding:6px 10px;text-align:left;vertical-align:top;} .ut-cat td strong{color:#222;} Overview The UT256 is a True-RMS fork (open-jaw) clamp meter for tight spaces. The 15 mm open fork slips onto a conductor from the side — no need to thread a closed jaw around it — to measure AC and DC current up to 60 A. It's rated CAT III 600 V and True-RMS, so readings stay accurate on distorted waveforms. Non-contact voltage detection, relative and zero modes, a backlit display, and a 1 m drop rating make it a quick, one-handed tool for crowded panels and junction boxes. It's backed by UNI-T's nearly 40 years of test-meter manufacturing. Key Features Open fork jaw (15 mm) for current access in tight spaces AC and DC current up to 60 A, ±(2%+5) True-RMS measurement Non-contact voltage (NCV) detection Relative and zero modes Backlit display; auto power-off (~30 min) CAT III 600 V; 1 m drop protection UT256 Details Open-Fork Current Access The 15 mm open fork measures current without closing a jaw around the conductor, so you can take a reading on a wire in a crowded panel or junction box with one hand — where a conventional clamp won't fit. AC and DC to 60 A The UT256 reads both AC and DC current to 60 A at ±(2%+5), with True-RMS sensing that keeps AC accurate on the distorted waveforms common around electronic loads. Quick-Work Features Non-contact voltage detection flags live conductors, a zero mode nulls DC offset, and relative mode references a reading — the basics for fast field checks. A backlit display and auto power-off round it out. Applications Current checks in crowded panels and junction boxes; HVAC and appliance service; quick troubleshooting where a closed clamp won't fit; and general electrical maintenance needing AC and DC current. Frequently Asked Questions What is a fork clamp meter? Instead of a closed jaw, it has an open fork that slips onto a conductor from the side — useful in tight spaces where a full clamp won't fit. Does it measure DC current? Yes — both AC and DC current up to 60 A. Is it True-RMS? Yes, so AC readings stay accurate on distorted waveforms. Specifications DC Current 60 A, ±(2% + 5) AC Current 60 A, ±(2% + 5) Display Count 600 True RMS Yes NCV Yes Fork Opening 15 mm Relative Mode Yes Zero Mode Yes Backlight Yes Auto Power Off ≈30 min Drop Protection 1m Safety Rating CAT III 600 V Documentation UT256 Datasheet UT256 User Manual
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