OWON 4 1/2 Digital Multimeter B41T
+ function as 3 in 1 : datalogger + multimeter + temperature meter
+ multi-connection (more than one device) supported via mobile app
+ the change trend analysis accessible via special chart mode
+ voice warning supported, which assures measurement safety
+ smart voice-reading accessible
+ 4(1/2)-digit counterparts
+ smart power-off option extending battery life
+ Bluetooth 4.0 version - supports mobile device with Android 4.3
or above / iOS 7.0 or above OS, and equipped with ble 4.0 module
+ offline recording function (only in model with “+” )
+ True RMS value available
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1. more than 1 device could be monitored, assuring more measurement safety
Several units DMMs possibly communicated with mobile app, freeing people from touching the measured object, human safety fully guaranteed.
2. functioning as multimeter + datalogger
The measured data always updated, and auto- recorded to mobile device, saving labor to do on-site records; the recoding duration, and sampling duration could be customized, accessible in chart mode, facilitating comparison analysis between several DMMs.
3. Offline record function
User don’t have to leave the phone on measure site, just use App to set the record interval and sum points. Multimeter will record the data itself and store them in its memory. Load the data from multimeter when there is analysis requirement.
| Measurement Range | Resolution | Accruacy | |||
|---|---|---|---|---|---|
| DC Voltage (V) | mV | 220mV | 0.01 mV | ±(0.1%+5dig) | |
| V | 2.2V | 0.1 mV | ±(0.1%+2dig) | ||
| 22V | 1mV | ||||
| 220V | 10mV | ||||
| 1000V | 0.1 V | ±(0.1%+5dig) | |||
| AC Voltage (V) | mV | 220mV | 0.01 mV | ≤1kHz | ±(1.0%+10dig) |
| ＞1kHz | ±(1.5%+50dig) | ||||
| V | 2.2V | 0.1 mV | ≤1kHz | ±(0.8%+10dig) | |
| ＞1kHz | ±(1.2%+50dig) | ||||
| 22V | 1mV | ≤1kHz | ±(0.8%+10dig) | ||
| ＞1kHz | ±(1.2%+50dig) | ||||
| 220V | 10mV | ≤1kHz | ±(0.8%+10dig) | ||
| ＞1kHz | ±(2.0%+50dig) | ||||
| 750V(continuity)/1000V(typical) | 0.1 V | ≤1kHz | ±(1.2%+10dig) | ||
| ＞1kHz | ±(3.0%+50dig) | ||||
| DC Current (A) | μA | 220μA | 0.01 μA | ±(0.5%+10dig) | |
| 2200μA | 0.1 μA | ||||
| mA | 22mA | 1 μA | |||
| 220mA | 10 μA | ±(0.8%+10dig) | |||
| A | 20.00A [1] | 1mA | ±(2%+25dig) | ||
| AC Current (A) | μA | 220μA | 0.01 μA | ≤1kHz | ±(0.8%+10dig) |
| ＞1kHz | ±(1.2%+50dig) | ||||
| 2200μA | 0.1 μA | ≤1kHz | ±(0.8%+10dig) | ||
| ＞1kHz | ±(1.2%+50dig) | ||||
| mA | 22mA | 1 μA | ≤1kHz | ±(1.2%+10dig) | |
| ＞1kHz | ±(1.5%+50dig) | ||||
| 220mA | 10 μA | ≤1kHz | ±(1.2%+10dig) | ||
| ＞1kHz | ±(1.5%+50dig) | ||||
| A | 20.00A [1] | 1 mA | ≤1kHz | ±(1.5%+10dig) | |
| ＞1kHz | ±(2.0%+50dig) | ||||
| Resistance (Ω) | 220Ω | 0.01 Ω | ±(0.5%+10dig) | ||
| 2.2kΩ | 0.1Ω | ||||
| 22kΩ | 1Ω | ||||
| 220kΩ | 10Ω | ||||
| 2.2MΩ | 100Ω | ±(0.8%+10dig) | |||
| 22MΩ | 1kΩ | ±(1.5%+10dig) | |||
| 220MΩ | 10kΩ | ±(5.0%+10dig) | |||
| Capacitance (F) | 22nF | 1pF | ±(3.0%+5dig) | ||
| 220nF | 10pF | ||||
| 2.2μF | 100pF | ||||
| 22μF | 1 nF | ||||
| 220μF | 10 nF | ||||
| 2.2mF | 100 nF | ±(4.0%+10dig) | |||
| >220mF | / | / | |||
| Frequency | 22.00Hz | 0.01Hz | ±(0.1%+4dig) | ||
| 220.0Hz | 0.1 Hz | ||||
| 22.000kHz | 1 Hz | ||||
| 220.00kHz | 10 Hz | ||||
| 2.2000MHz | 0.1 kHz | ||||
| 22.000MHz | 1 kHz | ||||
| ≤220.00MHz | 0.01 MHz | / | |||
| 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) | ||||
| Diode Test | Maximum measurement < 2.4V, minimum resolution < 0.0001V, |
/ | ±(1.0%+2dig) | ||
| Temperature (°C/°F) | (－50 ℃) – (400℃) | 0.1 ℃ | ±(1.0%+5℃) | ||
| (－58 ℉) - (752 ℉) | 0.1 ℉ | ±(1.2%+6 ℉) | |||
| shift rate(BLE link) | 2 times/s | ||||
| Update rate | 3 times/s | ||||
| Auto ranging | √ | Max / Min Value | √ |
| Offline Recording Function | B41T+ | Bluetooth Module | √ |
| Record Period | 168 hours（7 days ) | ||
| Record Length | 10,000 points | ||
| True RMS | √ | LCD Backligth | √ |
| Diode Test | √ | Simulated Chart | √ |
| Audion Test | √ | Input Protection | √ |
| Auto Test | √ | Input Impedance | 10MΩ |
| On-off Warning | LCD Size | 69mm x 52mm | |
| Low- battery Indicator | √ | Battery | 3V（1.5V x 2）AA |
| Data Hold | √ | Dimension(WxHxD | 85mm x185mmx30mm |
| Relative Measurement | √ | Device Weight | 0.32 kg |
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