UT257A Large Jaws Leakages Clamp Meter
UNI-T’s UT257A is an auto range large jaw clamp meter with RS-232 interface. It measures 0mA~3200A AC leakage current with 0.1mA resolution.
Features
1. Clamp lock bolt
2. Auto range, 2/s sampling rate
3. Peak test
4. Manual range/check out data
5. RS-232 interface
6. Data hold
7. Auto power off
8. Overload protection, low battery indication
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General Functions
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Range
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Accuracy
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Type
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UT257A
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Leakage Current and Current (A)
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Range
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0.0mA～499A
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±(2%+5)
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500A～999A
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±(3%+5)
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1000A～2999A
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±(4%+5)
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Resolution
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0.1mA
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Test Range
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AC 0.0mA～3200A
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√
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Special Functions
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Display Mode
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4-bit LCD digital display
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√
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Jaw Size
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108mm×148mm (can clamp φ108mm wires, or 160mm×4mm flat-steel ground wires)
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√
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Auto Range
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√
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RS-232 Data Transmission
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√
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Data Storage
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99 groups
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LCD Backlight
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√
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Data Hold
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√
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Overload Indication
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OL
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√
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Auto Power-off
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5 mins
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√
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Low Battery Indication
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≤5.2V
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√
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Test Type
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Clamp CT, integration method
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√
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General Characteristics
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Power Supply
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6V DC LR6 Alkaline dry battery×4
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LCD Size
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47mm×28.5mm
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Product Color
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Red and grey
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Product Weight
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1.5kg (with batteries)
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Product Size
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350mm×180mm×55mm
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Standard Accessories
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Batteries, RS232 data cable, PC software CD, toolbox
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Standard Package
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Gift box, user manual, toolbox
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Standard Package Quantity
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6pcs
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Standard Package Size
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610X375X320mm
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Standard Package Gross Weight
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35kg
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