DPT701 Digital Pressure Tester User’s Guide_English Version_V2.00
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After step 1, please press the OK key, and the following test screen displays. Press OK key to continue
the test or press BACK key to return to previous menu.
Figure 4-26 Sample Low Pressure Circuit Test Step 2 Screen
NOTE
The normal pressure value of Test #2 is 2.5 bar, if it’s normal, then press OK key to go to test #3.
If it’s significantly higher pressure, provided test #1 is correct, it indicates dirty filter . Please
replace the filter cartridge. If the pressure is significantly lower and test #1 is also significantly
lower, then please turn off tap and check: if the pressure is still 2.5 bar or higher, it indicates
faulty regulator; if the pressure is too low, it indicates faulty low pressure pump.
Step 3 Pressure of the return circuit
After step 2, please press the OK key, and the following test screen displays. Press OK key to continue
the test or press BACK key to return to previous menu.
Figure 4-27 Sample Low Pressure Circuit Test Step 3 Screen
NOTE
The normal pressure value of Test #3 is
0.7 to 0.8 bar
. If it’s normal, the whole test finished
successfully. If it’s significantly higher pressure, it indicates return tube is obstructed. Once
replaced, if pressure remains high, return valve of high pressure pump is faulty. If it’s significantly
lower pressure, it indicates the return valve of high pressure pump is faulty.
5 Print Data
DPT701 is equipped with Bluetooth Communication, and allows you to view the testing data on the
