
OW18 Series 3 5/6 Digits Handheld Multimeter
+ Data Logger + Multimeter + Thermometer (Data logger function only for OW18B)
+ True RMS test supported
+ BLE 4.0 wireless transmission, more stable,less power consumption (only for OW18B)
+ Build-in offline record function (only for OW18B) + Chart and Diagram mode helps to analyze the data tendency (only for OW18B)
+ Flashlight function lightens the darkness
+ Support NCV non-contact voltage sense
+ Widely supported on Android, iOS (only for OW18B)
OW18 Series 3 5/6 Digits Handheld Multimeter

OWON digital multimeters with high precision 3 5/6 digit display and comprehensive functions, including OW16A/B, OW18A/B.
OW series multimeter is a branch of OWON handheld multimeter series. With smaller size and faster response speed. Support NCV, True RMS and Bluetooth communication. Can be used as a data logger, multimeter and thermometer. Contact us for more details!
Data Logger + Multimeter + Thermometer (Data logger function only for OW18B)
BLE 4.0 wireless transmission, more stable,less power consumption (only for OW18B)
Build-in offline record function (only for OW18B)
Chart and Diagram mode helps to analyze the data tendency (only for OW18B)
Flashlight function lightens the darkness
Support NCV non-contact voltage sense
Widely supported on Android, iOS (only for OW18B)

Evolution 1 BLE4.0 wireless transmission
Integrating BLE 4.0 wireless transmission, our system excels in supporting multi-device connections and efficient single-display monitoring. A single mobile end can seamlessly connect with multiple multimeters, ensuring the complete isolation of the test object from the user, thereby prioritizing and securing their safety.

Evolution 2 Bluetooth Multimeter and Data-logger
The data recording function seamlessly captures and logs all measured values, presenting them in visual charts or organized tables for comprehensive analysis and easy interpretation. This feature enhances the user's ability to track and understand the recorded data effectively.


Evolution 3 Off-line Recording Function
Set the 'Recording Interval' and the 'Records Count' and press 'Start to Record' and the Multimeter will start to record.
The device can store up to 10,000 measured values.Minimum recording time interval is 1s.

Evolution 4 Multi-Device Connection

Evolution 5 Audio Value Broadcast

Features ideal for use in the field!

High Quality Factory Calibration

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Voltage Test

Resistance Test
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Current Test
Specific dimensions

Full Series comparison chart

About OWON

| Model: OW18A / OW18B | Measurement Ragnge | Resolution | Accruacy | |
DC Voltage |
60.00mV / 600.0mV(EU) | 0.01mV | ±(0.5%+2 dig) | |
| 6.000V / 60.00V / 600.0V | 1 mV | |||
| 1000V | 1 V | ±(0.8%+2 dig) | ||
AC Voltage |
600.0mV(EU) | 0.1mV | ±(0.8%+3dig) | |
| 6.000V / 60.00V / 600.0V | 1 mV | |||
| 750V | 1 V | ±(1%+3dig) | ||
| DC Current | μA | 60.00uA / 600.0μA | 0.01μA | ±(0.8%+2dig) |
| mA | 60.00mA / 600.0mA | 0.01mA | ||
| A | 20.00A | 0.01A | ±(1.2%+3dig) | |
| AC Current | μA | 60.00uA / 600.0μA | 0.1μA | ±(1%+3dig) |
| mA | 60.00mA / 600.0mA | 0.01mA | ||
| A | 20.00A | 0.01A | ±(1.5%+3dig) | |
| Resistance | 600.0Ω / 6.000kΩ / 60.00kΩ / 600.0kΩ / 6.000MΩ | 0.1Ω | ±(0.8%+2dig) | |
| 60.00MΩ | 0.01 MΩ | ±(2%+3dig) | ||
| Capacitance | 60.00nF / 600.0nF / 6.000μF / 60.00μF | 0.01nF | ±(2.5%+3dig) | |
| 600.0μF / 6.000mF / 60.00mF | 0.1μF | ±(3%+5dig) | ||
| Frequency | 9.999Hz / 99,99Hz/999.9Hz / 9.999kHz / 99.99kHz / 99.9kHz / 9.999MHz | 0.001Hz | ±(0.8%+2dig) | |
| Duty Ratio | 0.1% - 99.9% ( typical value:Vrms=1V, f=1kHz) | 0.1% | ±(1.2%+3dig) | |
| 0.1% - 99.9% ( ≥1kHz ) | ±(2.5%+3dig) | |||
| Temperature (°C/°F) | - 50 ℃~ +400℃ | 1℃ | ±(2.5%+3dig) | |
| -58 ℉~ +752 ℉ | 1℉ | ±(4.5%+5dig) | ||
| Display | 5999 | |||
| Frequency Response | (40 - 1000) Hz | |||
| Shift Rate | 3 times/s | |||
| Bluetooth Module | √ (only in OW18B) | Auto-scale | √ |
| True RMS | √ | LCD Backlight | √ |
| Diode Test | √ | Automatic-manual Range Selection | √ |
| Auto Power-off | √ | Input Protection | √ |
| On-off Warning | √ | Input Impedance | ≥10MΩ |
| Low-battery Indicator | √ | Safety Compliance | CATⅣ600V, CATⅢ1000V |
| Data Hold | √ | NCV | √ |
| Relative Measurement | √ | Dimension (W×H×D) | 196 x 88.5 x56 (mm) |
| Flashlight | √ | Weight (without package) | 0.30 kg |
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