How to use Triple Point of Water Maintenance Bath?

(1) Carefully put the triple point of water maintenance bath into the bottle holder, and then put the bottle holder and the bottle into the tank cylinder of the calibration bath.

(2) Click the start button in the lower right corner of the screen.

(3) At this time, the temperature control program runs automatically, and when it runs for about 2 hours, the bath temperature drops to -6°C. The alarm system emits "beep", "beep two" beeps (duration about 5 minutes). The operator should press "Please take out the triple point of water maintenance bath" on the touch screen within 1 minute after hearing the beep. "Perform bottle shake" prompt interface, click the OK button, take out the bottle holder together with the triple point of water maintenance bath, and then shake the upper part of the bottle gently. At this time, the water in the bottle starts to freeze from the upper part and extends down to the The water forms the entire ice jacket (the ice jacket can rotate in the bottle at this time), and the freezing process is completed. If the OK button is not clicked within 5 minutes, the program will automatically enter the subsequent storage process.

(4) Preservation of triple point of water maintenance bath.

Observe the touch screen and wait until the bath temperature rises above -2°C. (Put the bottle holder and the triple point of water maintenance bath together into the tank of the constant temperature calibration tank. The constant temperature of the calibration tank gradually rises to 0.005°C and remains there.

(5) Insert the standard meal resistance to be tested into the preheated (cold) hole for about 5 minutes before inserting it into the bottle, and wait for 10 to 15 minutes to stabilize before reading until the calibration is over.

After the test is completed, the liquid release valve needs to be opened to exhaust the working medium before taking out the triple point of water maintenance bath.