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Huazheng HZ1141, User Manual

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Summary of Contents for HZ1141

Page 1: ...HZ1141 Transformer Oil Gas Content Tester User Manual Huazheng Electric Manufacturing Baoding Co Ltd ...

Page 2: ...nual and operate and maintain the instrument according to the manual to prolong its service life Just a light press the test will be completed automatically is the operating characteristics of this instrument If you are satisfied with this instrument please tell your colleagues if you are not satisfied with this instrument please call 0312 6775656 to tell you to serve you at all times Baoding Huaz...

Page 3: ...and Main Components and Functions 2 IV Installation and Precautions of the Instrument 4 V Simple Operation of the Instrument 8 VI Instrument Simple Fault Detection and Maintenance 17 VII Instrument Accessories List 19 VIII Supporting Equipment Required for this Instrument 20 ...

Page 4: ...he test data more accurate and more repeatable 3 The test circuit contains sensors for measuring atmospheric pressure and ambient temperature No matter when and where you are you can automatically measure the temperature and atmospheric pressure of the environment you are in automatically convert to the air content at 0 degrees of standard atmospheric pressure and display it directly on the LCD sc...

Page 5: ... sensor the resolution shall be no less than 0 1 2 Minimum detection limit no higher than 0 2 3 Accuracy the relative error of the results of repeated measurement shall not exceed the following values Gas content in oil volume fraction relative error 0 5 10 0 5 1 0 8 1 0 3 0 5 3 0 3 4 Temperature control range of degassing chamber from 5 to 70 above room temperature 5 Working power supply AC220V 1...

Page 6: ... high degassing efficiency 5 Data detection and processing system using a high precision high stability differential pressure sensor to collect the pressure difference signal generated between the internal pressure of the degassing tank after degassing and the pressure before entering the oil which is amplified and processed by the data System progress count According to the processing the calcula...

Page 7: ...open the upper cover of the instrument for inspection and check the circuit board installed on the front panel in detail Check whether there is pressure breakage and disconnection of the power cord whether the cable of the whole machine is broken and whether the connections on the rear panel are normal Install it only after confirming that it is intact Otherwise it should be restored before instal...

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Page 10: ...power switch is used to control the total power of the instrument h The two M3 screws in the accessories for the syringe holder are fixed in the M3 threaded holes in the upper rear corner of the left side of the instrument according to the number and the openings face outward 3 Please note that the instrument must be drained every time the oil is drained There is a gas discharge in the oil drain p...

Page 11: ...8 V Simple Operation of the Instrument 1 Switch on Turn on the power of the instrument The display shows the power on self test which passes the self test and enters the main screen ...

Page 12: ...9 Home screen ...

Page 13: ...perature of the degassing tank 6 The barometric pressure column displays the current barometric pressure 7 The room temperature column shows the internal temperature of the machine 8 Workflow bar shows the current work program 9 The alarm bar shows the parts of the alarm 10 The curve bar shows the pressure change curve 11 The reset button resets the running program and can forcibly stop the runnin...

Page 14: ...11 2 Setting of parameters Press the setting button on the main screen to enter the parameter setting screen Parameter setting screen ...

Page 15: ... Press the OK key on the keypad to confirm the entry and the Cancel key to cancel The original value is 25 mL 6 Press the calibration key to execute the calibration procedure 7 Press the verification key to execute the verification procedure 8 Press the drain button to execute the drain procedure 9 Press the write parameter key to save the setting input 10 Push to return to the main screen 1 Calib...

Page 16: ...instrument enters the inspection procedure After the automatic oil feeding and oil filtering the instrument will prompt to inject gas You can inject any amount of gas as needed After injecting the gas press the confirmation key The instrument will prompt you to inject the gas at the same time as the gas content is displayed at the end of the measurement This can be measured any number of times Dra...

Page 17: ...re and then hang the syringe into the syringe holder on the rear panel of the instrument Inside the hole At this time you can press the start key to make an oil sample and the gas content of the oil sample will be displayed on the display after more than seven minutes If you want to do the next you just need to change the oil sample press the reset button and then press ...

Page 18: ...the start button After the gas content work is completed it will automatically jump to the print screen You can print the items according to your needs Press the print button to print Gas content printing ...

Page 19: ...deletion Press the data search button on the main screen to enter the data search screen Press the recycle button to delete all records press the print button to print the records and press the back button to return to the main screen ...

Page 20: ...y prohibited to turn off the machine when the machine is running that is turn off the machine when the gas content is displayed at the end of the test or when the machine is started VI Instrument Simple Fault Detection and Maintenance ...

Page 21: ...18 ...

Page 22: ...a sound of the pump starting when draining manually Check whether the pipe connected to the air pump has fallen off Replace or reconnect to normal 6 Test data is too large Check that the nuts at all external connection pipe connections are tightened Check for damaged hoses Tighten the nut or replace the hose Note The above are general faults You can eliminate them according to the situation If you...

Page 23: ...der 1 pc installed on the left rear pillar of the gas content tester 13 1mL calibration syringe 1 pc For calibration equipment VIII Supporting Equipment Required for this Instrument 1 A rotary vane vacuum pump distributed randomly 2 Air source built in ...

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