It is a portable notebook autoranging digital multimeter with stable performance， high precision and low consumption. It can automatically identify AC/DC voltage， frequency， duty cycle， resistance， capacitance， diode forward voltage drop and on-off test. (The UA16 can not be used for measuring the frequency， duty cycle， and capacitance.)

Features:
100% Brand new and high quality.
Automatically identify AC/DC voltage， frequency， duty cycle， resistance， capacitance， diode forward voltage drop and on-off test， easy to use.
Perfect measuring instrument for the majority of users.?
Digital easy-to-read large LCD display.?
Low battery indication and Overload protection.
Auto sleep mode for saving power after 30 minutes with no action.

Specifications:
Brand Name: UYIGAO
Color: Yellow
Material: ABS
Model: UA16 / UA18 (Optional)
Maximum Display: 3 1/2 LCD / 3 3/4 LCD
Technical Index:

UA18 DCV: Automatic range

Function	Range	Resolution	Accuracy	Input protection	Notes
??DCV	400mV	0.1mV	±(0.8%+3)	500V ?DC? 500V ?AC	Input Impedance≥100MΩ
	4V	1 mV	±(0.8%+1)
	40V	10 Mv
	400V	100 mV
	500V	1V	±(1%+3)

UA16 DCV: Automatic range

Function	Range	Resolution	Accuracy	Input protection	Notes
??DCV	200mV	0.1mV	±(0.8%+3)	500V ?DC? 500V ?AC	Input Impedance≥100MΩ
	2V	1 mV	±(0.8%+1)
	20V	10 Mv
	200V	100 mV
	500V	1V	±(1%+3)

UA18 ACV and Resistance: Automatic range

Function	Range	Resolution	Accuracy	Input protection	Notes
??ACV	4V	1mV	±(1.2%+3)	500V ?DC? 500V ?AC	Input Impedance≥100MΩ? Frequency:40～400HZ? Display: sine wave valid value (average response)
	40V	10mV
	400V	100 mV
	500V	1V	±(1.5%+5)
Ω	400Ω	0.1Ω	±(1.2%+5)	250V ?AC	Voltage of open circuit it 0.45V
	4kΩ	1Ω	±(1%+2)
	40kΩ	10 Ω
	400kΩ	100 Ω
	4MΩ	1kΩ	±(1.2%+2)
	40MΩ	10 kΩ	±(1.5%+2)

UA16 ACV and Resistance: Automatic range

Function	Range	Resolution	Accuracy	Input proteciton	Notes
??ACV	2V	1mV	±(1.2%+3)	500V ?DC? 500V ?AC	Input Impedance≥100MΩ? Frequency:40～400HZ? Display: sine wave valid value (average response)
	20V	10mV
	200V	100 mV
	500V	1V	±(1.5%+5)
Ω	200Ω	0.1Ω	±(1.2%+5)	250V ?AC	Voltage of open circuit it 0.45V
	2kΩ	1Ω	±(1%+2)
	20kΩ	10 Ω
	200kΩ	100 Ω
	2MΩ	1kΩ	±(1.2%+2)
	20MΩ	10 kΩ	±(1.5%+2)

Capacitance and Frequency (only for UA18)

Function	Range	Resolution	Accuracy	Input protection	Notes
??CAP(F)	4.000nF	0.001 nF		250V ?AC	Readings only for reference
	40.00nF	0.01 nF	±(4%+3)		Under RELATIVE mode? Voltage of open circuit it 0.45V? Display: sine wave valid value
	400.0 nF	0.1 nF
	4.000μF	0.001μF
	40.00μF	0.01μF
	100μF	0.1μF	±(5%+10)		Take long time if input!#!gt!*!10μF
Hz	99.99 Hz	0.01 Hz	±(0.5%+3)	250V ?AC	Input voltage is sine wave? 10 Hz～10k Hz:? ≥1Vrms? 10 k Hz～100 k Hz:? ≥30 Vrms
	999.9 Hz	0.1 Hz
	9.999k Hz	0.001k Hz
	99.999k Hz	0.01k Hz

Duty， Diode and Buzzer on-off measurement?(only for UA18)

Function	Range	Resolution	Accuracy	Input protection	Notes
Duty	0.1%-99..9%	0.10%		250V ?AC	On AC/DC file， press DUTY button， and the switch to DUTY measurement (readings as reference)
Diode	?	1mV	0.5V～0.8V	250V ?AC	Voltage of open circuit is 1.5V
Buzzer	?	0.1Ω	≤70Ω	250V ?AC	Buzzer ringing (voltage of open circuit is 0.45V)f=2.7KHz
Low voltage			!#!lt!*!2.4V

Maximum voltage of the voltage input terminal and the ground: 500Vrms or 500DCV
Range: Automatic
Measurement rate: 3 times/second
Over-range indication: "OL”
Polarity: Negative polarity "-”
Operating temperature: 0 ℃ ∽ 40 ° C (32 ° F ∽ 104 ℉)， Humidity ≤75%
Storage temperature: -10 ℃ ∽50 ℃ (14 ℉ ∽ 122 ° F)
Power Supply: 1 * 3V/CR2032 Button Battery (Included)
Item Size: Approx. 107 * 56 * 12mm / 4.21 * 2.20 * 0.47in (L * W * H)
Item Weight: Approx. 66g / 2.33oz
Package Size: Approx. 24 * 14 * 3cm / 9.45 * 5.51 * 1.18in (L * W * H)
Package Weight: Approx. 154g / 5.4oz

Package List:
1 * Digital Multimeter(Test leads are included)
1 * User Manual
1 * Smart Cover