Features: 1. Trend capture function: It can monitor and record the signal change process for a long time and form a trend graph for easy comparison. 2. Higher expansion storage built-in 20,000 sets of recorded data 3. Data screening function: You can set the upper and lower values of any gear position to be compared with the measured object, and have an out-of-tolerance alarm. 4. Provide more information. The screen can display multiple readings 5. Simultaneous measurement of dual temperature: intuitive and real-time temperature comparison to improve work efficiency 6. Low pass filtering: can be used for inverter and motor drive measurement 7. IP65 Waterproof, dustproof Application: wet environment, dusty environment 8. Li-ion power supply: 2200mAh long battery life without the need to replace the battery, effectively saving the cost of buying batteries 9. True RMS 10. 100KHZ AC bandwidth 11. 0.025% basic DC accuracy 12. USB data transmission 13. Designed in accordance with IEC EN61010-1 CAT IV 600V/CAT III 1000V overvoltage protection, EN61010-2-030 pollution level 2 and double insulation safety level standards; wider application range; safer measurement, safe use of personnel and instruments . Specification: Condition: 100% Brand New Model: UT181A Specifications Range UT181A DC voltage (V) 60mV/600mV/6V/60V/600V/1000V ±(0.025%+5) AC voltage (V) 60mV/600mV/6V/60V/600V/1000V ±(0.3%+30) DC current (A) 600μA/6000μA/60mA/600mA/10A ±(0.08%+10) AC current (A) 600μA/6000μA/60mA/600mA/10A ±(0.6%+20) Resistance (Ω) 600Ω/6kΩ/60kΩ/600kΩ/6MΩ/60MΩ ±(0.05%+2) Admittance (nS) 60nS ±(2%+10) Capacitance (F) 6nF/60nF/600nF/6μF/60μF/600μF/6mF/60mF ±(2%+5) Frequency (Hz) 10Hz-60MHz ±(0.01%+5) Temperature (°C) -40°C-1000°C ±(1%+30) Temperature (°F) -40°F-1832°F ±(1.5%+50) Features Display count 59999 Auto/Manual range Yes Bandwidth (Hz) 100kHz Yes AC+DC/Continuity buzzer Yes Low pass filter 1kHz(-3db) Yes dBV/dBm Yes Diode Around 3V Yes Duty cycle 10%-90% Yes Dual temperature measurement T1, T2, T1-T2, T2-T1 Yes Data hold Yes Relative mode Yes Data logging 20000 Yes Trend capture Yes MAX/MIN/AVG Yes Data time display/Data comparison Yes Backlight adjustment Yes Analog bar graph/USB interface Yes Mis-plug alarm Yes Battery indication/Auto power off Yes Rechargeable battery Yes Input protection Yes Input impedance for DCV ≥10MΩ Yes General Characteristics Power Li-ion battery: 7.4V 2200mAh Display 3.5-inch 64K color TFT LCD (320 * 240) Product color Red and gray Power Plug & Voltage: AU Plug 240V Weight: Approx. 1263g / 44.6oz Size: Approx. 225 * 103 * 59mm / 8.9 * 4.1 * 2.3in Package List: 1 * True RMS Digital Multimeter 2 * Test Lead 2 * Temperature Adapter 1 * AU Plug with Cable 2 * K-Type Thermocouple 1 * CD Disc 1 * USB Cable 1 * Bag