BM257 - Portable digital multimeters

BM257
Description

Digital multimeter; USB; LCD; (6000); Bargraph: 24segm.40x/s; 5x/s

Specifications
Manufacturer BRYMEN
Type of meter digital multimeter
Interface USB
Measurement AC current
AC voltage
capacitance
DC current
DC voltage
frequency
resistance
temperature
Kind of display used LCD
Display parameters (6000)
Bargraph 24 segm. 40x/s
Sampling 5x/s
DC voltage measuring range 0.01...60mV
600mV
6V
60V
1kV
DC voltage measuring accuracy ±(0.2% + 3 digit)
AC voltage measuring range 0.01...60mV
600mV
6V
60V
600V
1kV
AC voltage measuring accuracy ±(1% + 5 digit)
DC current measuring range 0.1...600µA
6mA
60mA
600mA
6A
8A
DC current measuring accuracy ±(0.5% + 3 digit)
AC current measuring range 0.1...600µA
6mA
60mA
600mA
6A
8A
AC current measuring accuracy ±(1% + 3 digit)
True effective value measurement True RMS
Resistance measuring range 100mΩ...600Ω
6kΩ
60kΩ
600kΩ
6MΩ
60MΩ
Capacitance measuring range 10pF...60nF
600nF
6µF
60µF
600µF
3mF
Capacitance measuring accuracy ±(1.5%+ 5 digit)
Frequency measuring range 0.001...1kHz
10kHz
500kHz
1MHz
Frequency measuring accuracy ±(0.03%+3 digit)
Temperature measuring range -50...1000°C
Temperature measurement accuracy ±(0.3°C + 3 digit)
Resistance measuring accuracy ±(0.5%+4 digit)
Diode test 1mA @1V
Continuity test acoustic indication
10Ω...80Ω
Pollution degree 2
Weight with battery 635g
Power supply battery R03 AAA 1,5V x2
Standard equipment holster
K-type temperature probe
test leads
Conform to the norm CAT II 1000V
CAT III 600V
CAT IV 300V
EN 61010
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Kind of output connector USB A plug
Dimensions (W x H x D) 80x161x50mm
Measuring instrument features auto and manual ranging
Autocheck function - automatic selection LoZ DCV, LoZ ACV, i Ω
automatic power-off
contactless voltage detector
CREST: logging of extreme values MAX, MIN and MAX-MIN of voltage and current impulses > 0,8ms
HOLD function
indicates incorrect connection of test leads
logging of MAX, MIN
MIN/MAX/REL function
Battery/ rechargeable battery battery LR03 AAA 1,5V x2
Illumination yes
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Development and design: Seventh Cat