OWON B41T+Owon B41T+ True-RMS AC/DC Datalogging Digital Multimeter 750VAC/1000VDC Bluetoot Product Features:True-RMSDatalogging up to 10K recordsFunction as 3 in 1 : datalogger + multimeter + temperature meterCapable of Multiple connections via mobile appVoice warningSmart voice-reading4(1/2)-digit LCD DisplaySmart power-off option extending battery lifeBluetooth 4.0: Supports mobile device with Android 4.3 or above / iOS 7.0 or aboveMeasurement RangeResolutionAccruacyDC Voltage (V)mV220mV0.01 mV±(0.05%+10dig)V2.2V0.1 mV22V1mV220V10mV1000V0.1 V±(0.1%+10dig)AC Voltage (V)mV220mV0.01 mV±(1.0%+25dig)V2.2V0.1 mV±(0.8%+25dig)22V1mV220V10mV750V0.1 V±(1.0%+25dig)DC Current (A)μA220μA0.01 μA±(0.5%+10dig)2200μA0.1 μAmA22mA1 μA220mA10 μA±(0.8%+10dig)A20.00A [1]1mA±(2%+25dig)AC Current (A)μA220μA0.01 μA±(1.2%+25dig)2200μA0.1 μAmA22mA1 μA220mA10 μA±(1.5%+25dig)A20.00A [1]1 mA±(2.5%+35dig)Resistance (Ω)220Ω0.01 Ω±(0.5%+30dig)2.2kΩ0.1Ω±(0.4%+5dig)22kΩ1Ω220kΩ10Ω2.2MΩ100Ω22MΩ1.2kΩ±(0.5%+25dig)220MΩ100kΩ±(5%+10dig)Capacitance (F)22nF1pF±(2.5%+15dig)220nF10pF2.2μF100pF22μF1 nF220μF10 nF2.2mF100 nF±(4.0%+10dig)>220mF//Frequency22.00Hz0.01Hz±(0.1%+4dig)220.0Hz0.1 Hz22.000kHz1 Hz220.00kHz10 Hz22.00Hz100 Hz2.2000MHz1k Hz22.000MHz10k Hz>220MHz//Duty Ratio (%)5.0% - 94.9% (typical value：Vrms=1 V, f=1 kHz)0.1%±(1.2%+3dig)0.1% - 99.9%(≥1 kHz)±(2.5%+3dig)Temperature (°C/°F)(－50 ℃) – (400℃)0.1 ℃±(1.0%+5dig)(－58 ℉) - (752 ℉)0.1 ℉±(1.2%+6dig)Display21999Frequency Response(40 - 10000) HzShift Rate3 times/sSimulate Chart Shift Rate30 times/s Specific FunctionAuto-scale√ MAX/MIN√ Offline Recording FunctionB41T+Blue tooth Module √ Record Period168 hours（7 days )Record Length10,000点True RMS√LCD Backligth√ Diode Test√ Simulated Chart√ Audion Test√ Input Protection√ Auto Test√ Input Impedance10MΩOn-off Warning√ LCD Size69mm x 52mmLow- battery Indicator√ Battery3V（1.5V x 2）AAData Hold√ Dimension(WxHxD85mm x185mmx30mm Whart's in the package:Multimeter User Manual Probes Soft carrying case Alligator Clips Multifunction test bench K-type thermocouple