Multimeter True RMS W/ EF-Detection
The BM257 is a high performance, compact multimeter for electricians who require a very accurate DMM with innovative features in as small a package as possible. This feature packed digital multimeter boasts a range of test functions such as capacitance, min/max recording, crest hold, temperature measurement with a Type-K thermocouple, etc. The BM257 has an Autocheckâ„¢ feature for automatically measuring voltage or resistance with a LoZ variable internal impedance that will select only hard signals on the display.
• 3 5/6 digit, 6000 count LCD
• CATIV 300V, CATIII 600V
• 24 segment bar-graph 40 times per second
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• Backlight LCD
• Dual digital display
• Min/Max recording
• Crest and data hold
• Relative zero measurement
• EF detection (NCV)
• BeepJack™ incorrect input warning
• Auto-power ‘off’ after 34 minutes
• PC interface RS232/USB (optional kit)














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