How to operate and use the cod intelligent digestion instrument

The digestion device of the cod intelligent digestion instrument has a new intelligent function design and is easy to operate. It can perform digestion pretreatment of water samples such as COD, total nitrogen, and total phosphorus. The digestion temperature and timing can be selected within the range of 45°C-190°C, 1 minute-96 hours, respectively. The heating temperature is set and displayed digitally, the heating temperature is automatically controlled, and the heating time can be set. Fast heating speed, constant and uniform temperature, low power consumption, simple operation, stable and reliable performance, widely used in environmental protection, medical treatment, sanitation, food, tap water, papermaking, sewage treatment, printing and dyeing, petrochemical, metallurgy, colleges and other industries for water quality testing . Let's take a look at the measurement operation steps of the cod intelligent digestion instrument. The first step: set the heating temperature. Press the 'Temperature' key to make the cursor arrow on the screen point to the preset temperature, and modify the preset temperature through the '▲' and '▼' keys. After the modification is stopped, the system will automatically save the user's preset temperature. When the instrument is started again, it will automatically remember the temperature set by the user last time. Step 2: Set the constant temperature timer. Press the 'Timing' key to make the cursor on the screen point to the preset timing, and use the '▲' and '▼' keys to modify the preset time. After the modification is stopped, the system will automatically save the user's preset time. Step 3: Start heating up. Press the 'Start/Stop' button in the standby state to start heating, and make a corresponding heating indication '*' on the screen, press the 'Start/Stop' button again to stop heating. Step 4: When the set temperature is reached, the user is reminded to start the timer. After heating to the set temperature, the digestion system will display 'wait' and emit intermittent beeps to remind the user to start the timer. At this time, the user presses the 'Start/Stop' button to start the constant temperature timer. Step 5: Press the 'Start/Stop' button to start the constant temperature timing. The user presses the 'Start/Stop' key to start the thermostat timer. The screen will count down and display the number of seconds remaining. Note: You only need to press the 'Start/Stop' button once to start the thermostat timer, and if you press it twice, it will stop the thermostat timer. Step 6: When the timing is up, the constant temperature stops. When the constant temperature timing time is up, the screen will display a 'stop' reminder, and an intermittent buzzer will sound to remind the user. At this time, press the 'Start/Stop' button to stop the digestion, and the system enters the standby state.
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