DF-8500 C Point type combustible gas detector with measuring range of 0~100%LEL
4.4 Password
A 4 digits password is used to lock the menus that can be modified only by certificated
and authorized personnel.
The default password is 0000.
After entering the password menu, set the number from left to right, and the flicker bit
means that the bit is being edited.
(1)
Press “+” or “-” to modify the number.
(2) Press
“ON” to enter the next bit (thousands->hundreds->tens->units).
(3) After all of 4 digits has been entered, the password becomes effective.
5 Maintenance
5.1 Sensor replacement
Danger !
Remove and reinstall the sensors carefully, ensuring that the components
are not damaged; otherwise, the accuracy may be adversely affected,
wrong readings may occur, and persons relying on this product for their
safety may sustain serious personal injury or death.
When replacing a sensor, please use M-05 to reset the sensor service time
counter.
Note: After the sensor is replaced, the instrument must be calibrated
again.
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Summary of Contents for DF-8500 C
Page 3: ...DF 8500C 0 100 LEL 1 1 1 DF 8500 C SUPREMA Gasgard XL 9010 9020 8020 1 2 4...
Page 4: ...DF 8500C 0 100 LEL 1 3 10 V V 21 V V 5...
Page 5: ...DF 8500C 0 100 LEL 1 4 1 2 12 2 2 1 1 DF 8500 C 6...
Page 7: ...DF 8500C 0 100 LEL 3 3 1 3 1 1 mm 3 DF 8500 C 8...
Page 12: ...DF 8500C 0 100 LEL 4 4 1 4 0mA LED LED COMB 100 100 LEL 25 50 25 LEL 50 LEL 13...
Page 20: ...DF 8500C 0 100 LEL 4 3 1 1 4 2 2 M 01 4 2 2 M 02 OFF 4 4 4 0000 1 2 ON 3 4 21...
