2
temperature is low, long life.
5. with no return liquid device, can effectively ensure the instrument no return liquid
phenomenon.
IV.Operation Method
1.Take the instrument out of the packing case, check the appearance and internal
abnormal phenomena such as no serious damage caused by transportation, and then
check whether the power cord and accessories are complete.
2.Start-up preparation and connection
：
Prepare electrolyte; Dilute 200g of analytical pure KOH (potassium hydroxide) with
400ml distilled water, and inject it into the injection port (the maximum volume of the pool
is 1.4L) after KOH is dissolved and cooled, and then add distilled water to the position of
liquid level H line. The injection port is located at the top of the instrument, and take the
infusion cover to inject the liquid.
Turn on the power to start the switch, the instrument flow display should be
：
Type 300 0-320ml/min
Type 500
0-510 ml/min
Turn on normally, tighten the outlet with a sealed cap, no leakage.
2 minutes after starting the machine, the pressure indicator is 0.4Mpa, and the LED
digital display is close to "000", indicating that the instrument is normal. Otherwise, air
leakage will be eliminated after the liquid soap detection.
Shut off the power, to get off the sealing cap on the outlet, with Φ 3 pipe connected to
the instrumentation and guarantee not leak sealing. Restart the power to use.
V.Matters Needing Attention
1. Observe the discoloration of the discoloration of the discoloration of the silica gel from
above, and replace the silica gel according to needs. Turn off the power when replacing,
and rotate the drying and purification chamber clockwise after the pressure indication is
zero, and then install it in the opposite direction to ensure the seal.
2. LED digital display value is for reference only. It is converted from electrolytic current,
so it is normal to have ±1 change in 10-digit flow rate.
3. The position is between the upper and lower wires. During electrolysis, no KOH is
