9999counts Pocket Digital Multimeter User's Manual Index 1. Overview………………………………………………………………………………………………………………………....1 2. Safety precautions………………………………………………………………………………………………………………..1 3. Operation panel instructions …………………………………………………………………………………………………......3 4. Characteristics……………………………………………………………………………………………………………...……..4 5. Automatic boot…………………………………………………………………………………………………………………..15 6. Troubleshooting………………………………………………………………………………………………………………....
9999counts Handheld multimeter 1. Overview The 9999counts is a pocket-sized 3 9/10-bit automatic digital instrument. Is a stable performance, high precision, high reliability clear readings, and overload protection . With AAA 1.5V battery-driven，the instrument uses a large-screen LCD display, boost power supply, even in the 2.
9999counts Handheld multimeter 3. Operation panel instructions 1、LCD display; 2、MAX/MIN measurement key, press and hold for 2 seconds to turn the flashlight on and off； 3、RANGE is a manual range conversion key, which is a REL relative measurement function when tested in the capacitance file； 4、HOLD is the data hold button, press for 3 seconds for the backlight to be turned on and off, the default state is the backlight is on for a long time.
9999counts Handheld multimeter 4. Characteristics 1. General characteristics 1-1.Display, liquid crystal display (LCD)； 1-2.Maximum display:9999 (3 9/10) bits automatic polarity display； 1-3.Measurement: double integral A / D conversion； 1-4.Sampling rate: about 3 times per second； 1-5.Overrange display: the most significant bit was "0L"； 1-6.Low voltage display： “ ”symbol appears； 1-7.Working environment：(0～40)℃，relative humidity＜80%； 1-8.Power supply: AAA 1.5V battery； 1-9.
9999counts Handheld multimeter 2.Technical characteristics 2-1.Accuracy (reading data of a%+ least significant digits), guaranteed accuracy environment temperature (23±5)℃, relative humidity <75%, calibration guarantee period from the date of manufacture for one year. 2-2.Performance(Note“▲”Indicates that the instrument has this function.） Symbol function DC voltage ▲ DCV AC voltage ACV ▲ DC current DCA ▲ AC current ACA ▲ Resistance\Diode\ On-off ▲ Temp℃/℉ ▲ Frequency F ▲ Capacitance C ▲ NC
9999counts Handheld multimeter 2-3．Technical specifications 2-3-1．DC voltage(DCV) Accuracy 9999counts Range 100mV 1V 0.01mV ±（0.5%+3） 10V 0.1mV 0.001V 100V 1000V Resolution 0.01V ±（0.8%+10） 0.1V Input impedance：10MΩ； Overload protection：100mV range is 550V DC or AC peak; the rest is 1000V DC or 750V AC peak. The specific operation is as follows: as shown on the right 1. Insert the black test lead into the "COM" socket. The red test pen into the "V /Ω/ Hz" jack； 2.
9999counts Handheld multimeter 2-3-2．AC current(ACV) Accuracy Range 9999counts 100mV 1V Resolution 0.01mV 0.1mV ±（0.8%+3） 10V 0.001V 100V 750V 0.01V ±（1.2%+10） 0.1V Input impedance：10MΩ；Standard sine wave and triangular wave frequency response is 40Hz-1kHz；Other wave forms are: 40Hz-200Hz. The specific operation is as follows: as shown on the right 1、Insert the black test lead into the "COM" socket while the red test lead into the "V /Ω/ Hz" jack.
9999counts Handheld multimeter 2-3-3.DC Current (DC m A) Accuracy Range 100mA 9999counts ±（1.2%+10） 1000mA Resolution 10uA 100uA The maximum measured pressure drop：1V； Overload protection：100mA/1A:1A/250V Speed Glass Fuse; The specific operation is as follows: The right figure is DC m A schematic diagram, 1. Insert the black test lead into the "COM" socket, insert the red test lead into the "m A " jack (max. 1A); "SELECT" key to switch between AC and DC current; 2.
999counts Handheld multimeter 2-3-4.AC Current（AC m A） Accuracy Range 60mA 9999counts ±（1.2%+10） 600mA Resolution 10uA 100uA The maximum measured pressure drop：1V；Overload protection: 100mA/1A:1A/250V Speed Glass Fuse; The specific operation is as follows: The diagram on the right is the DC m A schematic diagram. 1. Insert the black test lead into the "COM" socket, insert the red test lead into the "m A " jack (max. 1A) "SELECT" key to switch between AC and DC current; 2.
9999counts Handheld multimeter 2-3-5.DC/AC 10A Current (DC/ACA) Accuracy Range 10A 9999counts ±（2.0%+30） Resolution 0.01A The maximum measured pressure drop：600mV； Overload protection：6A/10A: 10A:10A/250V Speed Glass Fuse; The specific operation is as follows: The figure on the right shows AC and DC 6A/10A 1. Insert the black meter pen into the "COM" jack and the red meter pen into the "V/Ω/Hz" jack; the default value is DC, triggering the "RANG" button to switch between automatic/manual 10A currents； 2.
9999counts Handheld multimeter 2-3-6.Resistance（Ω） Accuracy 9999counts Range Resolution ±（0.8%+5） 1000Ω 0.1Ω 10kΩ 1Ω 100kΩ 10Ω ±（0.8%+3） 1000kΩ 100Ω 10MΩ 100MΩ 1kΩ ±（2.5%+3）>60MΩfor reference only 10kΩ Open circuit voltage：less than 3V; overload protection: 550V DC or AC peak; The specific operation is as shown in the right figure; 1.Insert the black test pen into the "COM" socket while the red test pen leads into the "V /Ω/ Hz" jack. 2.
9999counts Handheld multimeter 2-3-7.Diodes and on-off test Range Display value Test Conditions Positive DC current of about Diode forward 1mA, open circuit voltage of voltage drop about 3V, The buzzer Open circuit voltage is about 3V buzzes for a long Press "SELECT" to switch time, and the test between two functions resistance is less than(50±20)Ω Overload protection：550V DC or AC peak; Warning: for safety, disable the input voltage value in this range! 1.
9999counts Handheld multimeter 2-3-8.Capacitance(C) Accuracy Range 9999counts Resolution 100nF 10pF 1000nF 10uF 100pF ±（3.5%+20） 100uF 1000uF 10mF 1nF 10nF 100nF 11uF ±（5%+3） 100mF 10uF Overload protection: 550V DC or AC peak 1. Insert the black test pen leads into the "COM" socket while the red test pen leads into the "V /Ω/ Hz" jack; 2.Rotate the dial to the“ ”position, trigger the "SELECT" key, and select the capacitance profile for automatic measurement. 3.
9999counts Handheld multimeter 2-3-9. Frequency measurement: Accuracy Range 9999counts Resolution 10Hz 0.01Hz 100Hz 0.1Hz 1kHz 10kHZ 1Hz ±（0.1%+3） 10Hz 100kHz 100Hz 1MHz 1kHz 10MHz 10kHz Input sensitivity: 1V rms; Overload protection: 550V DC or AC peak (less than 10 seconds) Frequency measurement: 1. Insert the test leads or shielded cables into the “COM” and “V/Ω/Hz” jacks; 2 Turn the range switch to “Hz” and connect the test leads or cables to the signal source or load under test.
9999counts Handheld multimeter 2-3-10. Temperature measurement (°C/°F) Accuracy 9999counts Resolution Range ±（1.0%+5）＜400℃ (-20-1000 )℃ 1℃ ±（1.5%+15）≥400℃ ±（0.75%+5）＜750℉ (0-1832 )℉ 1℉ ±（1.5%+15）≥750℉ The operation is as follows: (above right figure) 1 Rotate the dial to the "TEMP" position; 2. Insert the two input ends of the temperature probe into the red table pen respectively "V/Ω/Hz" and "COM" terminals, test probe inductive plug.
9999counts Handheld multimeter 5. Automatic Startup & Shutdown When the instrument stops using for about 15 minutes, the meter will automatically power off to enter the sleep state; to restart the power, dial to the OFF position, turn the knob to other gears. Hold down the "SELECT" button, and turn on the power switch at the same time, the screen "APO" symbol disappears, will cancel the automatic shutdown function. 6.
