　　1. USB interface: connect to the USB port of the collector or computer (after the connection is successful, the " " icon will appear at the top of the screen );

　　2. Power switch key: long press or short press to turn on, long press to turn off;

　　3. Backlight switch key:

　　(1) When the sensor is turned on, long press this button (after the backlight is turned on, the " " icon will appear at the top of the screen ) or long press to turn off the backlight (when the backlight is turned off, the icon at the top of the screen disappears);

　　(2) When the sensor is turned on, short press this key (the current display data is locked, the " " icon will appear at the top of the screen ) or short press again (unlock the data);

　　4. Save data save button: this function is not yet open

　　5. The Bluetooth function switch key; when the sensor is on, long press to turn on the Bluetooth function (after the function is turned on, the " " icon will appear at the top of the screen ) or long press to turn off the Bluetooth function (after the function is turned off, the icon at the top of the screen disappears);

　　Note: The blinking of the Bluetooth icon means that the Bluetooth adapter is not successfully connected, that is, the icon does not flash after the Bluetooth adapter is successfully connected;

　　6. Shift function key: When the sensor is turned on, this key has different functions for different sensors. For details, see the description of each sensor function below;

　　7. Sensor peripheral interface: Different sensors have different peripheral interfaces. For details, see the description of each sensor function below;

　　8. Working indicator

　　9. Charging indicator: The red light represents the charging status; the green light represents the completion of charging.

　　On-screen display icon description

　　Part 1 Icon Description (from left to right): backlight, lock screen, Bluetooth, USB connection, battery

　　Note: The blinking of the Bluetooth icon means that the Bluetooth adapter is not successfully connected, that is, the icon does not flash after the Bluetooth adapter is successfully connected;

　　Part 2 Icon Description: Signs and data display;

　　Part 3 Icon Description: Save data and progress bar-this function is not yet open;

　　Part 4 Icon Description: Display ID (that is, display the sensor group number); Display Hz (that is, display the current sampling frequency of the sensor)-this function is not yet open;

　　Part 5 Icon Description: Function indicator icon (from top to bottom: S5 position, S6 position, S9 position, S10 position), see the description of each sensor function below for details;

　　Part 1.0 version of the special function description of the screen sensor

　　Force sensor

　　When the sensor is turned on, long press the "Shift function key" for the zero calibration function;

　　Multi-range voltage sensor:

　　1. When the sensor is turned on

　　(1) Long press "Shift function key" for zero calibration function;

　　(2) Short press the "Shift function key", the display of "Part 5 Icons" on the screen will change (refer to the above "Screen Icon Diagram"), the description is as follows:

　　S5 position is on: the sensor is in full-scale adaptive mode, which can measure ±20V full-scale voltage value;

　　S6 position is on: the sensor measuring range is: ±0.2V voltage value, and the resolution is 0.2mV

　　S9 position is on: the sensor measuring range is: ±2V voltage value, and the resolution is 2mV

　　S10 position is on: the sensor measurement range is: ±20V voltage value, and the resolution is 20mV

　　2. Connect the red and black wires to the socket at the external projection interface;

　　Voltage sensor:

　　1. When the sensor is turned on, long press the "Shift function key" for the zero calibration function;

　　2. Connect the red and black wires to the socket at the external projection interface;

　　current sensor:

　　1. When the sensor is turned on, long press the "Shift function key" for the zero calibration function;

　　2. Connect the red and black wires to the socket at the external projection interface;

　　Photoelectric door sensor:

　　1. When the sensor is turned on,

　　(1) Long press "Shift function key" for zero calibration function;

　　(2) Short press the "Shift function key", the display of "Part 5 Icons" on the screen will change (refer to the above "Screen Icon Diagram"), the description is as follows:

　　S5 position is on: measure the shading time;

　　S6 position is on: measure the light transmission time;

　　S9 position is on: measure three periods of time;

　　S10 position is on: measuring the full cycle time;

　　S5 and S6 positions are on at the same time: measure light transmission + shading time;

　　S5 and S9 positions are on at the same time: measure the number of drops;

　　S5 and S10 positions are on at the same time: it is used in the double-hole photoelectric door speed measurement mode;

　　2. External projection interface: use a USB cable to connect the photoelectric gate;

　　Motion detector

　　1. Receiver: When the sensor is turned on, long press the "Shift function key" for the zero calibration function;

　　2. Transmitter: When the sensor is turned on, short press the "Shift function key" to turn on/off the transmitter measurement mode. When it is turned on, the sensor screen will display "1" and when it is turned off, it will display "0";

　　Accelerometer:

　　1. When the sensor is turned on, short press the "Shift function key", the display of "Part 5 Icons" on the screen will change (refer to the "Screen Icon Diagram" in the above figure), the description is as follows:

　　(1) S5 position is on: measure vertical acceleration;

　　(2) S6 position is on: measure the acceleration in the lateral direction;

　　(3) S9 position is on: measure the acceleration of the sensor in the horizontal direction;

　　Air pressure sensor

　　When the sensor is turned on, long press the "Shift function key" for the calibration function

　　Signal generator

　　1. This sensor can output sine wave, square wave, triangle wave, sawtooth wave, DC voltage; voltage sensor can be used to measure the output waveform;

　　2. How to choose which waveform to output on the sensor with screen, and how to adjust the frequency, amplitude, and duty cycle of the output waveform, the specific steps are as follows:

　　(1) Turn on the sensor, and the data displayed on the main interface is "0", which means that the waveform is not output; remember that the following operations such as selecting the waveform can be performed in this state;

　　(2) Tap the "Power On Key" to enter the waveform selection and waveform adjustment interface; at this time, the interface displays 5-digit data, ID+number;

　　(3) Select the waveform that needs to be output: short press the "Bluetooth function switch key", the number after the ID will change, and different number numbers represent different waveforms; (1 sine wave, 2 square wave, 3 triangle wave, 4 Sawtooth wave, 5 DC voltage); select a good waveform, for example, now select "2", that is, select the square wave to be output;

　　(4) Select the output frequency of the waveform. The 5-digit data displayed on the interface is the output frequency of the waveform. For example, if the frequency is adjusted to 10Hz, the method is as follows: short press the "Save data key" to move the cursor of the adjustment data Position, adjust the cursor to the tens position, and then short press the "Shift function key", you can adjust the size of each digit, adjust the tens position to 1, and adjust the speed to 0 at other positions, so you can select The output frequency of the waveform is 10Hz;

　　(5) Select the maximum value of the waveform; short press the "backlight switch key", the S6 position on the left side of the screen is on, and the maximum value of the waveform output can be adjusted at this time. Use the "Shift" and "Save" buttons to adjust the size , For example, the maximum value is now 6;

　　(6) Select the minimum value of the waveform; short press the "backlight switch key", the S9 position on the left side of the screen is on, and the minimum value of the waveform output can be adjusted at this time. Use the "Shift" and "Save" buttons to adjust the size , For example, the minimum value is now 0;

　　Note: The amplitude range of the waveform is: 0-12

　　(7) Select the duty cycle of the waveform (only the square wave needs to select the duty cycle); short press the "backlight switch key", the S10 position on the left side of the screen will be on, and the duty cycle of the waveform can be adjusted at this time, use "Shift "" and "Save" two buttons to adjust the size, for example, now select the duty cycle as 20;

　　(8) After completing steps 2-7, tap the "Power On Key" to return to the initial main interface (the interface where the displayed data is "0");

　　(9) Output waveform: lightly press the "Shift function key", the data displayed on the main interface becomes "1", which means that the waveform frequency is 10Hz, the maximum value of the waveform is 6, the minimum value is 0, and the duty cycle It is a square wave waveform of 20; the next time it is turned on, the default is the selected waveform and its parameters;

　　3. Connect the socket red and black wires at the external projection interface;

　　Micro current sensor

　　Connect the red and black wires of the socket at the external projection interface;

　　Conventional temperature sensor

　　Connect a PT100 temperature probe to the external projection interface;

　　High temperature sensor

　　Connect the high temperature probe to the external projection interface;

　　PH sensor

　　Plug the PH probe into the external projection interface;

　　Conductivity sensor

　　Connect a conductivity probe to the external projection interface;

　　Oxygen sensor

　　1. When the sensor is turned on, long press the "Shift function key" for the calibration function;

　　2. Connect the oxygen probe with the audio port at the external projection interface;

　　Respiration rate sensor

　　Connect the breathing belt to the outer projection interface

　　frequency meter

　　1. Connect the red and black wires to the socket at the external projection interface;

　　2. It can directly measure the frequency of the waveform between 0.1-2MHz, for example, it can directly measure the frequency of alternating current;