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This is the PRO-57, a highly versatile, economically-priced, handheld Tweezer Digital Multimeter. Small enough for one-hand operation, it is perfect for use on surface mount devices (SMD). It has a display of 3000 counts, 4 times per second sampling, automatic polarity with negative indication (-), battery status, and over-range indication. The PRO-57 can measure continuity, capacitance, and resistance, with an accuracy of 3% - 5%. It also has a diode test function.
Capabilities
Continuity, capacitance, resistance, diode test
Display
3000 counts
Polarity
Automatic, (-) negative polarity indication
Overload
"OL" mark indicator
Battery Indicator
Shows status of the battery
Sampling Rate
4 times per second, nominal
Auto Power-Off
Approx. 10 min
Storage Tempature
-20ºC ~ 60ºC (-4ºF ~ 104ºF)
Operating Environment
0ºC ~ 40ºC (32ºF ~ 104ºF) at less than 70% R.H.
Power
3.0 V button-type lithium battery ×1, CR2032
Battery Life
100 hours continuous operation
Weight
Approx. 3.5 oz ( 100 g ) including battery
Size
205 mm (H) × 40 mm (W) × 24.5 mm (D)
Warranty
1 Year
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